diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/Makefile | 42 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5428 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 280 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 290 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 137 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 722 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h | 34 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 551 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 684 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h | 102 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 477 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 570 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 76 |
14 files changed, 9429 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile new file mode 100644 index 000000000..94911871e --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/Makefile @@ -0,0 +1,42 @@ +# +# Copyright 2017 Advanced Micro Devices, Inc. +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +# +# Makefile for the 'dm' sub-component of DAL. +# It provides the control and status of dm blocks. + + + +AMDGPUDM = amdgpu_dm.o amdgpu_dm_irq.o amdgpu_dm_mst_types.o amdgpu_dm_color.o + +ifneq ($(CONFIG_DRM_AMD_DC),) +AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o amdgpu_dm_pp_smu.o +endif + +ifneq ($(CONFIG_DEBUG_FS),) +AMDGPUDM += amdgpu_dm_crc.o amdgpu_dm_debugfs.o +endif + +subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc + +AMDGPU_DM = $(addprefix $(AMDDALPATH)/amdgpu_dm/,$(AMDGPUDM)) + +AMD_DISPLAY_FILES += $(AMDGPU_DM) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c new file mode 100644 index 000000000..57678e6dc --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -0,0 +1,5428 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dm_services_types.h" +#include "dc.h" +#include "dc/inc/core_types.h" + +#include "vid.h" +#include "amdgpu.h" +#include "amdgpu_display.h" +#include "atom.h" +#include "amdgpu_dm.h" +#include "amdgpu_pm.h" + +#include "amd_shared.h" +#include "amdgpu_dm_irq.h" +#include "dm_helpers.h" +#include "dm_services_types.h" +#include "amdgpu_dm_mst_types.h" +#if defined(CONFIG_DEBUG_FS) +#include "amdgpu_dm_debugfs.h" +#endif + +#include "ivsrcid/ivsrcid_vislands30.h" + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/pm_runtime.h> + +#include <drm/drmP.h> +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_dp_mst_helper.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_edid.h> + +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#include "ivsrcid/irqsrcs_dcn_1_0.h" + +#include "dcn/dcn_1_0_offset.h" +#include "dcn/dcn_1_0_sh_mask.h" +#include "soc15_hw_ip.h" +#include "vega10_ip_offset.h" + +#include "soc15_common.h" +#endif + +#include "modules/inc/mod_freesync.h" + +#include "i2caux_interface.h" + +/* basic init/fini API */ +static int amdgpu_dm_init(struct amdgpu_device *adev); +static void amdgpu_dm_fini(struct amdgpu_device *adev); + +/* initializes drm_device display related structures, based on the information + * provided by DAL. The drm strcutures are: drm_crtc, drm_connector, + * drm_encoder, drm_mode_config + * + * Returns 0 on success + */ +static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev); +/* removes and deallocates the drm structures, created by the above function */ +static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm); + +static void +amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector); + +static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, + struct amdgpu_plane *aplane, + unsigned long possible_crtcs); +static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm, + struct drm_plane *plane, + uint32_t link_index); +static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *amdgpu_dm_connector, + uint32_t link_index, + struct amdgpu_encoder *amdgpu_encoder); +static int amdgpu_dm_encoder_init(struct drm_device *dev, + struct amdgpu_encoder *aencoder, + uint32_t link_index); + +static int amdgpu_dm_connector_get_modes(struct drm_connector *connector); + +static int amdgpu_dm_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, + bool nonblock); + +static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state); + +static int amdgpu_dm_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state); + + + + +static const enum drm_plane_type dm_plane_type_default[AMDGPU_MAX_PLANES] = { + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, +}; + +static const enum drm_plane_type dm_plane_type_carizzo[AMDGPU_MAX_PLANES] = { + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_OVERLAY,/* YUV Capable Underlay */ +}; + +static const enum drm_plane_type dm_plane_type_stoney[AMDGPU_MAX_PLANES] = { + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_PRIMARY, + DRM_PLANE_TYPE_OVERLAY, /* YUV Capable Underlay */ +}; + +/* + * dm_vblank_get_counter + * + * @brief + * Get counter for number of vertical blanks + * + * @param + * struct amdgpu_device *adev - [in] desired amdgpu device + * int disp_idx - [in] which CRTC to get the counter from + * + * @return + * Counter for vertical blanks + */ +static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc) +{ + if (crtc >= adev->mode_info.num_crtc) + return 0; + else { + struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc]; + struct dm_crtc_state *acrtc_state = to_dm_crtc_state( + acrtc->base.state); + + + if (acrtc_state->stream == NULL) { + DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", + crtc); + return 0; + } + + return dc_stream_get_vblank_counter(acrtc_state->stream); + } +} + +static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, + u32 *vbl, u32 *position) +{ + uint32_t v_blank_start, v_blank_end, h_position, v_position; + + if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) + return -EINVAL; + else { + struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc]; + struct dm_crtc_state *acrtc_state = to_dm_crtc_state( + acrtc->base.state); + + if (acrtc_state->stream == NULL) { + DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", + crtc); + return 0; + } + + /* + * TODO rework base driver to use values directly. + * for now parse it back into reg-format + */ + dc_stream_get_scanoutpos(acrtc_state->stream, + &v_blank_start, + &v_blank_end, + &h_position, + &v_position); + + *position = v_position | (h_position << 16); + *vbl = v_blank_start | (v_blank_end << 16); + } + + return 0; +} + +static bool dm_is_idle(void *handle) +{ + /* XXX todo */ + return true; +} + +static int dm_wait_for_idle(void *handle) +{ + /* XXX todo */ + return 0; +} + +static bool dm_check_soft_reset(void *handle) +{ + return false; +} + +static int dm_soft_reset(void *handle) +{ + /* XXX todo */ + return 0; +} + +static struct amdgpu_crtc * +get_crtc_by_otg_inst(struct amdgpu_device *adev, + int otg_inst) +{ + struct drm_device *dev = adev->ddev; + struct drm_crtc *crtc; + struct amdgpu_crtc *amdgpu_crtc; + + /* + * following if is check inherited from both functions where this one is + * used now. Need to be checked why it could happen. + */ + if (otg_inst == -1) { + WARN_ON(1); + return adev->mode_info.crtcs[0]; + } + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + amdgpu_crtc = to_amdgpu_crtc(crtc); + + if (amdgpu_crtc->otg_inst == otg_inst) + return amdgpu_crtc; + } + + return NULL; +} + +static void dm_pflip_high_irq(void *interrupt_params) +{ + struct amdgpu_crtc *amdgpu_crtc; + struct common_irq_params *irq_params = interrupt_params; + struct amdgpu_device *adev = irq_params->adev; + unsigned long flags; + + amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP); + + /* IRQ could occur when in initial stage */ + /*TODO work and BO cleanup */ + if (amdgpu_crtc == NULL) { + DRM_DEBUG_DRIVER("CRTC is null, returning.\n"); + return; + } + + spin_lock_irqsave(&adev->ddev->event_lock, flags); + + if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){ + DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n", + amdgpu_crtc->pflip_status, + AMDGPU_FLIP_SUBMITTED, + amdgpu_crtc->crtc_id, + amdgpu_crtc); + spin_unlock_irqrestore(&adev->ddev->event_lock, flags); + return; + } + + + /* wakeup usersapce */ + if (amdgpu_crtc->event) { + /* Update to correct count/ts if racing with vblank irq */ + drm_crtc_accurate_vblank_count(&amdgpu_crtc->base); + + drm_crtc_send_vblank_event(&amdgpu_crtc->base, amdgpu_crtc->event); + + /* page flip completed. clean up */ + amdgpu_crtc->event = NULL; + + } else + WARN_ON(1); + + amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; + spin_unlock_irqrestore(&adev->ddev->event_lock, flags); + + DRM_DEBUG_DRIVER("%s - crtc :%d[%p], pflip_stat:AMDGPU_FLIP_NONE\n", + __func__, amdgpu_crtc->crtc_id, amdgpu_crtc); + + drm_crtc_vblank_put(&amdgpu_crtc->base); +} + +static void dm_crtc_high_irq(void *interrupt_params) +{ + struct common_irq_params *irq_params = interrupt_params; + struct amdgpu_device *adev = irq_params->adev; + uint8_t crtc_index = 0; + struct amdgpu_crtc *acrtc; + + acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK); + + if (acrtc) + crtc_index = acrtc->crtc_id; + + drm_handle_vblank(adev->ddev, crtc_index); + amdgpu_dm_crtc_handle_crc_irq(&acrtc->base); +} + +static int dm_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int dm_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +/* Prototypes of private functions */ +static int dm_early_init(void* handle); + +static void hotplug_notify_work_func(struct work_struct *work) +{ + struct amdgpu_display_manager *dm = container_of(work, struct amdgpu_display_manager, mst_hotplug_work); + struct drm_device *dev = dm->ddev; + + drm_kms_helper_hotplug_event(dev); +} + +/* Allocate memory for FBC compressed data */ +static void amdgpu_dm_fbc_init(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + struct dm_comressor_info *compressor = &adev->dm.compressor; + struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector); + struct drm_display_mode *mode; + unsigned long max_size = 0; + + if (adev->dm.dc->fbc_compressor == NULL) + return; + + if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP) + return; + + if (compressor->bo_ptr) + return; + + + list_for_each_entry(mode, &connector->modes, head) { + if (max_size < mode->htotal * mode->vtotal) + max_size = mode->htotal * mode->vtotal; + } + + if (max_size) { + int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr, + &compressor->gpu_addr, &compressor->cpu_addr); + + if (r) + DRM_ERROR("DM: Failed to initialize FBC\n"); + else { + adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr; + DRM_INFO("DM: FBC alloc %lu\n", max_size*4); + } + + } + +} + + +/* Init display KMS + * + * Returns 0 on success + */ +static int amdgpu_dm_init(struct amdgpu_device *adev) +{ + struct dc_init_data init_data; + adev->dm.ddev = adev->ddev; + adev->dm.adev = adev; + + /* Zero all the fields */ + memset(&init_data, 0, sizeof(init_data)); + + if(amdgpu_dm_irq_init(adev)) { + DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n"); + goto error; + } + + init_data.asic_id.chip_family = adev->family; + + init_data.asic_id.pci_revision_id = adev->rev_id; + init_data.asic_id.hw_internal_rev = adev->external_rev_id; + init_data.asic_id.chip_id = adev->pdev->device; + + init_data.asic_id.vram_width = adev->gmc.vram_width; + /* TODO: initialize init_data.asic_id.vram_type here!!!! */ + init_data.asic_id.atombios_base_address = + adev->mode_info.atom_context->bios; + + init_data.driver = adev; + + adev->dm.cgs_device = amdgpu_cgs_create_device(adev); + + if (!adev->dm.cgs_device) { + DRM_ERROR("amdgpu: failed to create cgs device.\n"); + goto error; + } + + init_data.cgs_device = adev->dm.cgs_device; + + adev->dm.dal = NULL; + + init_data.dce_environment = DCE_ENV_PRODUCTION_DRV; + + /* + * TODO debug why this doesn't work on Raven + */ + if (adev->flags & AMD_IS_APU && + adev->asic_type >= CHIP_CARRIZO && + adev->asic_type < CHIP_RAVEN) + init_data.flags.gpu_vm_support = true; + + /* Display Core create. */ + adev->dm.dc = dc_create(&init_data); + + if (adev->dm.dc) { + DRM_INFO("Display Core initialized with v%s!\n", DC_VER); + } else { + DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER); + goto error; + } + + INIT_WORK(&adev->dm.mst_hotplug_work, hotplug_notify_work_func); + + adev->dm.freesync_module = mod_freesync_create(adev->dm.dc); + if (!adev->dm.freesync_module) { + DRM_ERROR( + "amdgpu: failed to initialize freesync_module.\n"); + } else + DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n", + adev->dm.freesync_module); + + amdgpu_dm_init_color_mod(); + + if (amdgpu_dm_initialize_drm_device(adev)) { + DRM_ERROR( + "amdgpu: failed to initialize sw for display support.\n"); + goto error; + } + + /* Update the actual used number of crtc */ + adev->mode_info.num_crtc = adev->dm.display_indexes_num; + + /* TODO: Add_display_info? */ + + /* TODO use dynamic cursor width */ + adev->ddev->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size; + adev->ddev->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size; + + if (drm_vblank_init(adev->ddev, adev->dm.display_indexes_num)) { + DRM_ERROR( + "amdgpu: failed to initialize sw for display support.\n"); + goto error; + } + + DRM_DEBUG_DRIVER("KMS initialized.\n"); + + return 0; +error: + amdgpu_dm_fini(adev); + + return -1; +} + +static void amdgpu_dm_fini(struct amdgpu_device *adev) +{ + amdgpu_dm_destroy_drm_device(&adev->dm); + /* + * TODO: pageflip, vlank interrupt + * + * amdgpu_dm_irq_fini(adev); + */ + + if (adev->dm.cgs_device) { + amdgpu_cgs_destroy_device(adev->dm.cgs_device); + adev->dm.cgs_device = NULL; + } + if (adev->dm.freesync_module) { + mod_freesync_destroy(adev->dm.freesync_module); + adev->dm.freesync_module = NULL; + } + /* DC Destroy TODO: Replace destroy DAL */ + if (adev->dm.dc) + dc_destroy(&adev->dm.dc); + return; +} + +static int dm_sw_init(void *handle) +{ + return 0; +} + +static int dm_sw_fini(void *handle) +{ + return 0; +} + +static int detect_mst_link_for_all_connectors(struct drm_device *dev) +{ + struct amdgpu_dm_connector *aconnector; + struct drm_connector *connector; + int ret = 0; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + aconnector = to_amdgpu_dm_connector(connector); + if (aconnector->dc_link->type == dc_connection_mst_branch && + aconnector->mst_mgr.aux) { + DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n", + aconnector, aconnector->base.base.id); + + ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true); + if (ret < 0) { + DRM_ERROR("DM_MST: Failed to start MST\n"); + ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single; + return ret; + } + } + } + + drm_modeset_unlock(&dev->mode_config.connection_mutex); + return ret; +} + +static int dm_late_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + return detect_mst_link_for_all_connectors(adev->ddev); +} + +static void s3_handle_mst(struct drm_device *dev, bool suspend) +{ + struct amdgpu_dm_connector *aconnector; + struct drm_connector *connector; + struct drm_dp_mst_topology_mgr *mgr; + int ret; + bool need_hotplug = false; + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + + list_for_each_entry(connector, &dev->mode_config.connector_list, + head) { + aconnector = to_amdgpu_dm_connector(connector); + if (aconnector->dc_link->type != dc_connection_mst_branch || + aconnector->mst_port) + continue; + + mgr = &aconnector->mst_mgr; + + if (suspend) { + drm_dp_mst_topology_mgr_suspend(mgr); + } else { + ret = drm_dp_mst_topology_mgr_resume(mgr); + if (ret < 0) { + drm_dp_mst_topology_mgr_set_mst(mgr, false); + need_hotplug = true; + } + } + } + + drm_modeset_unlock(&dev->mode_config.connection_mutex); + + if (need_hotplug) + drm_kms_helper_hotplug_event(dev); +} + +static int dm_hw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* Create DAL display manager */ + amdgpu_dm_init(adev); + amdgpu_dm_hpd_init(adev); + + return 0; +} + +static int dm_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + amdgpu_dm_hpd_fini(adev); + + amdgpu_dm_irq_fini(adev); + amdgpu_dm_fini(adev); + return 0; +} + +static int dm_suspend(void *handle) +{ + struct amdgpu_device *adev = handle; + struct amdgpu_display_manager *dm = &adev->dm; + int ret = 0; + + WARN_ON(adev->dm.cached_state); + adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev); + + s3_handle_mst(adev->ddev, true); + + amdgpu_dm_irq_suspend(adev); + + + dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3); + + return ret; +} + +static struct amdgpu_dm_connector * +amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, + struct drm_crtc *crtc) +{ + uint32_t i; + struct drm_connector_state *new_con_state; + struct drm_connector *connector; + struct drm_crtc *crtc_from_state; + + for_each_new_connector_in_state(state, connector, new_con_state, i) { + crtc_from_state = new_con_state->crtc; + + if (crtc_from_state == crtc) + return to_amdgpu_dm_connector(connector); + } + + return NULL; +} + +static void emulated_link_detect(struct dc_link *link) +{ + struct dc_sink_init_data sink_init_data = { 0 }; + struct display_sink_capability sink_caps = { 0 }; + enum dc_edid_status edid_status; + struct dc_context *dc_ctx = link->ctx; + struct dc_sink *sink = NULL; + struct dc_sink *prev_sink = NULL; + + link->type = dc_connection_none; + prev_sink = link->local_sink; + + if (prev_sink) + dc_sink_release(prev_sink); + + switch (link->connector_signal) { + case SIGNAL_TYPE_HDMI_TYPE_A: { + sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; + sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A; + break; + } + + case SIGNAL_TYPE_DVI_SINGLE_LINK: { + sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; + sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK; + break; + } + + case SIGNAL_TYPE_DVI_DUAL_LINK: { + sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; + sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK; + break; + } + + case SIGNAL_TYPE_LVDS: { + sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; + sink_caps.signal = SIGNAL_TYPE_LVDS; + break; + } + + case SIGNAL_TYPE_EDP: { + sink_caps.transaction_type = + DDC_TRANSACTION_TYPE_I2C_OVER_AUX; + sink_caps.signal = SIGNAL_TYPE_EDP; + break; + } + + case SIGNAL_TYPE_DISPLAY_PORT: { + sink_caps.transaction_type = + DDC_TRANSACTION_TYPE_I2C_OVER_AUX; + sink_caps.signal = SIGNAL_TYPE_VIRTUAL; + break; + } + + default: + DC_ERROR("Invalid connector type! signal:%d\n", + link->connector_signal); + return; + } + + sink_init_data.link = link; + sink_init_data.sink_signal = sink_caps.signal; + + sink = dc_sink_create(&sink_init_data); + if (!sink) { + DC_ERROR("Failed to create sink!\n"); + return; + } + + link->local_sink = sink; + + edid_status = dm_helpers_read_local_edid( + link->ctx, + link, + sink); + + if (edid_status != EDID_OK) + DC_ERROR("Failed to read EDID"); + +} + +static int dm_resume(void *handle) +{ + struct amdgpu_device *adev = handle; + struct drm_device *ddev = adev->ddev; + struct amdgpu_display_manager *dm = &adev->dm; + struct amdgpu_dm_connector *aconnector; + struct drm_connector *connector; + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + struct dm_crtc_state *dm_new_crtc_state; + struct drm_plane *plane; + struct drm_plane_state *new_plane_state; + struct dm_plane_state *dm_new_plane_state; + enum dc_connection_type new_connection_type = dc_connection_none; + int i; + + /* power on hardware */ + dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0); + + /* program HPD filter */ + dc_resume(dm->dc); + + /* On resume we need to rewrite the MSTM control bits to enamble MST*/ + s3_handle_mst(ddev, false); + + /* + * early enable HPD Rx IRQ, should be done before set mode as short + * pulse interrupts are used for MST + */ + amdgpu_dm_irq_resume_early(adev); + + /* Do detection*/ + list_for_each_entry(connector, &ddev->mode_config.connector_list, head) { + aconnector = to_amdgpu_dm_connector(connector); + + /* + * this is the case when traversing through already created + * MST connectors, should be skipped + */ + if (aconnector->dc_link && + aconnector->dc_link->type == dc_connection_mst_branch) + continue; + + mutex_lock(&aconnector->hpd_lock); + if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type)) + DRM_ERROR("KMS: Failed to detect connector\n"); + + if (aconnector->base.force && new_connection_type == dc_connection_none) + emulated_link_detect(aconnector->dc_link); + else + dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); + + if (aconnector->fake_enable && aconnector->dc_link->local_sink) + aconnector->fake_enable = false; + + aconnector->dc_sink = NULL; + amdgpu_dm_update_connector_after_detect(aconnector); + mutex_unlock(&aconnector->hpd_lock); + } + + /* Force mode set in atomic comit */ + for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) + new_crtc_state->active_changed = true; + + /* + * atomic_check is expected to create the dc states. We need to release + * them here, since they were duplicated as part of the suspend + * procedure. + */ + for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) { + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + if (dm_new_crtc_state->stream) { + WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1); + dc_stream_release(dm_new_crtc_state->stream); + dm_new_crtc_state->stream = NULL; + } + } + + for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) { + dm_new_plane_state = to_dm_plane_state(new_plane_state); + if (dm_new_plane_state->dc_state) { + WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1); + dc_plane_state_release(dm_new_plane_state->dc_state); + dm_new_plane_state->dc_state = NULL; + } + } + + drm_atomic_helper_resume(ddev, dm->cached_state); + + dm->cached_state = NULL; + + amdgpu_dm_irq_resume_late(adev); + + return 0; +} + +static const struct amd_ip_funcs amdgpu_dm_funcs = { + .name = "dm", + .early_init = dm_early_init, + .late_init = dm_late_init, + .sw_init = dm_sw_init, + .sw_fini = dm_sw_fini, + .hw_init = dm_hw_init, + .hw_fini = dm_hw_fini, + .suspend = dm_suspend, + .resume = dm_resume, + .is_idle = dm_is_idle, + .wait_for_idle = dm_wait_for_idle, + .check_soft_reset = dm_check_soft_reset, + .soft_reset = dm_soft_reset, + .set_clockgating_state = dm_set_clockgating_state, + .set_powergating_state = dm_set_powergating_state, +}; + +const struct amdgpu_ip_block_version dm_ip_block = +{ + .type = AMD_IP_BLOCK_TYPE_DCE, + .major = 1, + .minor = 0, + .rev = 0, + .funcs = &amdgpu_dm_funcs, +}; + + +static struct drm_atomic_state * +dm_atomic_state_alloc(struct drm_device *dev) +{ + struct dm_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL); + + if (!state) + return NULL; + + if (drm_atomic_state_init(dev, &state->base) < 0) + goto fail; + + return &state->base; + +fail: + kfree(state); + return NULL; +} + +static void +dm_atomic_state_clear(struct drm_atomic_state *state) +{ + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + + if (dm_state->context) { + dc_release_state(dm_state->context); + dm_state->context = NULL; + } + + drm_atomic_state_default_clear(state); +} + +static void +dm_atomic_state_alloc_free(struct drm_atomic_state *state) +{ + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + drm_atomic_state_default_release(state); + kfree(dm_state); +} + +static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = { + .fb_create = amdgpu_display_user_framebuffer_create, + .output_poll_changed = drm_fb_helper_output_poll_changed, + .atomic_check = amdgpu_dm_atomic_check, + .atomic_commit = amdgpu_dm_atomic_commit, + .atomic_state_alloc = dm_atomic_state_alloc, + .atomic_state_clear = dm_atomic_state_clear, + .atomic_state_free = dm_atomic_state_alloc_free +}; + +static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = { + .atomic_commit_tail = amdgpu_dm_atomic_commit_tail +}; + +static void +amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector) +{ + struct drm_connector *connector = &aconnector->base; + struct drm_device *dev = connector->dev; + struct dc_sink *sink; + + /* MST handled by drm_mst framework */ + if (aconnector->mst_mgr.mst_state == true) + return; + + + sink = aconnector->dc_link->local_sink; + + /* Edid mgmt connector gets first update only in mode_valid hook and then + * the connector sink is set to either fake or physical sink depends on link status. + * don't do it here if u are during boot + */ + if (aconnector->base.force != DRM_FORCE_UNSPECIFIED + && aconnector->dc_em_sink) { + + /* For S3 resume with headless use eml_sink to fake stream + * because on resume connecotr->sink is set ti NULL + */ + mutex_lock(&dev->mode_config.mutex); + + if (sink) { + if (aconnector->dc_sink) { + amdgpu_dm_remove_sink_from_freesync_module( + connector); + /* retain and release bellow are used for + * bump up refcount for sink because the link don't point + * to it anymore after disconnect so on next crtc to connector + * reshuffle by UMD we will get into unwanted dc_sink release + */ + if (aconnector->dc_sink != aconnector->dc_em_sink) + dc_sink_release(aconnector->dc_sink); + } + aconnector->dc_sink = sink; + amdgpu_dm_add_sink_to_freesync_module( + connector, aconnector->edid); + } else { + amdgpu_dm_remove_sink_from_freesync_module(connector); + if (!aconnector->dc_sink) + aconnector->dc_sink = aconnector->dc_em_sink; + else if (aconnector->dc_sink != aconnector->dc_em_sink) + dc_sink_retain(aconnector->dc_sink); + } + + mutex_unlock(&dev->mode_config.mutex); + return; + } + + /* + * TODO: temporary guard to look for proper fix + * if this sink is MST sink, we should not do anything + */ + if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) + return; + + if (aconnector->dc_sink == sink) { + /* We got a DP short pulse (Link Loss, DP CTS, etc...). + * Do nothing!! */ + DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n", + aconnector->connector_id); + return; + } + + DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n", + aconnector->connector_id, aconnector->dc_sink, sink); + + mutex_lock(&dev->mode_config.mutex); + + /* 1. Update status of the drm connector + * 2. Send an event and let userspace tell us what to do */ + if (sink) { + /* TODO: check if we still need the S3 mode update workaround. + * If yes, put it here. */ + if (aconnector->dc_sink) + amdgpu_dm_remove_sink_from_freesync_module( + connector); + + aconnector->dc_sink = sink; + if (sink->dc_edid.length == 0) { + aconnector->edid = NULL; + } else { + aconnector->edid = + (struct edid *) sink->dc_edid.raw_edid; + + + drm_connector_update_edid_property(connector, + aconnector->edid); + } + amdgpu_dm_add_sink_to_freesync_module(connector, aconnector->edid); + + } else { + amdgpu_dm_remove_sink_from_freesync_module(connector); + drm_connector_update_edid_property(connector, NULL); + aconnector->num_modes = 0; + aconnector->dc_sink = NULL; + aconnector->edid = NULL; + } + + mutex_unlock(&dev->mode_config.mutex); +} + +static void handle_hpd_irq(void *param) +{ + struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; + struct drm_connector *connector = &aconnector->base; + struct drm_device *dev = connector->dev; + enum dc_connection_type new_connection_type = dc_connection_none; + + /* In case of failure or MST no need to update connector status or notify the OS + * since (for MST case) MST does this in it's own context. + */ + mutex_lock(&aconnector->hpd_lock); + + if (aconnector->fake_enable) + aconnector->fake_enable = false; + + if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type)) + DRM_ERROR("KMS: Failed to detect connector\n"); + + if (aconnector->base.force && new_connection_type == dc_connection_none) { + emulated_link_detect(aconnector->dc_link); + + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) + drm_kms_helper_hotplug_event(dev); + + } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) { + amdgpu_dm_update_connector_after_detect(aconnector); + + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) + drm_kms_helper_hotplug_event(dev); + } + mutex_unlock(&aconnector->hpd_lock); + +} + +static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector) +{ + uint8_t esi[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = { 0 }; + uint8_t dret; + bool new_irq_handled = false; + int dpcd_addr; + int dpcd_bytes_to_read; + + const int max_process_count = 30; + int process_count = 0; + + const struct dc_link_status *link_status = dc_link_get_status(aconnector->dc_link); + + if (link_status->dpcd_caps->dpcd_rev.raw < 0x12) { + dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT; + /* DPCD 0x200 - 0x201 for downstream IRQ */ + dpcd_addr = DP_SINK_COUNT; + } else { + dpcd_bytes_to_read = DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI; + /* DPCD 0x2002 - 0x2005 for downstream IRQ */ + dpcd_addr = DP_SINK_COUNT_ESI; + } + + dret = drm_dp_dpcd_read( + &aconnector->dm_dp_aux.aux, + dpcd_addr, + esi, + dpcd_bytes_to_read); + + while (dret == dpcd_bytes_to_read && + process_count < max_process_count) { + uint8_t retry; + dret = 0; + + process_count++; + + DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]); + /* handle HPD short pulse irq */ + if (aconnector->mst_mgr.mst_state) + drm_dp_mst_hpd_irq( + &aconnector->mst_mgr, + esi, + &new_irq_handled); + + if (new_irq_handled) { + /* ACK at DPCD to notify down stream */ + const int ack_dpcd_bytes_to_write = + dpcd_bytes_to_read - 1; + + for (retry = 0; retry < 3; retry++) { + uint8_t wret; + + wret = drm_dp_dpcd_write( + &aconnector->dm_dp_aux.aux, + dpcd_addr + 1, + &esi[1], + ack_dpcd_bytes_to_write); + if (wret == ack_dpcd_bytes_to_write) + break; + } + + /* check if there is new irq to be handle */ + dret = drm_dp_dpcd_read( + &aconnector->dm_dp_aux.aux, + dpcd_addr, + esi, + dpcd_bytes_to_read); + + new_irq_handled = false; + } else { + break; + } + } + + if (process_count == max_process_count) + DRM_DEBUG_DRIVER("Loop exceeded max iterations\n"); +} + +static void handle_hpd_rx_irq(void *param) +{ + struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; + struct drm_connector *connector = &aconnector->base; + struct drm_device *dev = connector->dev; + struct dc_link *dc_link = aconnector->dc_link; + bool is_mst_root_connector = aconnector->mst_mgr.mst_state; + enum dc_connection_type new_connection_type = dc_connection_none; + + /* TODO:Temporary add mutex to protect hpd interrupt not have a gpio + * conflict, after implement i2c helper, this mutex should be + * retired. + */ + if (dc_link->type != dc_connection_mst_branch) + mutex_lock(&aconnector->hpd_lock); + + if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) && + !is_mst_root_connector) { + /* Downstream Port status changed. */ + if (!dc_link_detect_sink(dc_link, &new_connection_type)) + DRM_ERROR("KMS: Failed to detect connector\n"); + + if (aconnector->base.force && new_connection_type == dc_connection_none) { + emulated_link_detect(dc_link); + + if (aconnector->fake_enable) + aconnector->fake_enable = false; + + amdgpu_dm_update_connector_after_detect(aconnector); + + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); + } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { + + if (aconnector->fake_enable) + aconnector->fake_enable = false; + + amdgpu_dm_update_connector_after_detect(aconnector); + + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); + } + } + if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) || + (dc_link->type == dc_connection_mst_branch)) + dm_handle_hpd_rx_irq(aconnector); + + if (dc_link->type != dc_connection_mst_branch) + mutex_unlock(&aconnector->hpd_lock); +} + +static void register_hpd_handlers(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev->ddev; + struct drm_connector *connector; + struct amdgpu_dm_connector *aconnector; + const struct dc_link *dc_link; + struct dc_interrupt_params int_params = {0}; + + int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; + int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; + + list_for_each_entry(connector, + &dev->mode_config.connector_list, head) { + + aconnector = to_amdgpu_dm_connector(connector); + dc_link = aconnector->dc_link; + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) { + int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; + int_params.irq_source = dc_link->irq_source_hpd; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + handle_hpd_irq, + (void *) aconnector); + } + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + + /* Also register for DP short pulse (hpd_rx). */ + int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; + int_params.irq_source = dc_link->irq_source_hpd_rx; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + handle_hpd_rx_irq, + (void *) aconnector); + } + } +} + +/* Register IRQ sources and initialize IRQ callbacks */ +static int dce110_register_irq_handlers(struct amdgpu_device *adev) +{ + struct dc *dc = adev->dm.dc; + struct common_irq_params *c_irq_params; + struct dc_interrupt_params int_params = {0}; + int r; + int i; + unsigned client_id = AMDGPU_IH_CLIENTID_LEGACY; + + if (adev->asic_type == CHIP_VEGA10 || + adev->asic_type == CHIP_VEGA12 || + adev->asic_type == CHIP_VEGA20 || + adev->asic_type == CHIP_RAVEN) + client_id = SOC15_IH_CLIENTID_DCE; + + int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; + int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; + + /* Actions of amdgpu_irq_add_id(): + * 1. Register a set() function with base driver. + * Base driver will call set() function to enable/disable an + * interrupt in DC hardware. + * 2. Register amdgpu_dm_irq_handler(). + * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts + * coming from DC hardware. + * amdgpu_dm_irq_handler() will re-direct the interrupt to DC + * for acknowledging and handling. */ + + /* Use VBLANK interrupt */ + for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) { + r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq); + if (r) { + DRM_ERROR("Failed to add crtc irq id!\n"); + return r; + } + + int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; + int_params.irq_source = + dc_interrupt_to_irq_source(dc, i, 0); + + c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; + + c_irq_params->adev = adev; + c_irq_params->irq_src = int_params.irq_source; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + dm_crtc_high_irq, c_irq_params); + } + + /* Use GRPH_PFLIP interrupt */ + for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; + i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) { + r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq); + if (r) { + DRM_ERROR("Failed to add page flip irq id!\n"); + return r; + } + + int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; + int_params.irq_source = + dc_interrupt_to_irq_source(dc, i, 0); + + c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; + + c_irq_params->adev = adev; + c_irq_params->irq_src = int_params.irq_source; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + dm_pflip_high_irq, c_irq_params); + + } + + /* HPD */ + r = amdgpu_irq_add_id(adev, client_id, + VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); + if (r) { + DRM_ERROR("Failed to add hpd irq id!\n"); + return r; + } + + register_hpd_handlers(adev); + + return 0; +} + +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +/* Register IRQ sources and initialize IRQ callbacks */ +static int dcn10_register_irq_handlers(struct amdgpu_device *adev) +{ + struct dc *dc = adev->dm.dc; + struct common_irq_params *c_irq_params; + struct dc_interrupt_params int_params = {0}; + int r; + int i; + + int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; + int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; + + /* Actions of amdgpu_irq_add_id(): + * 1. Register a set() function with base driver. + * Base driver will call set() function to enable/disable an + * interrupt in DC hardware. + * 2. Register amdgpu_dm_irq_handler(). + * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts + * coming from DC hardware. + * amdgpu_dm_irq_handler() will re-direct the interrupt to DC + * for acknowledging and handling. + * */ + + /* Use VSTARTUP interrupt */ + for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP; + i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1; + i++) { + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq); + + if (r) { + DRM_ERROR("Failed to add crtc irq id!\n"); + return r; + } + + int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; + int_params.irq_source = + dc_interrupt_to_irq_source(dc, i, 0); + + c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; + + c_irq_params->adev = adev; + c_irq_params->irq_src = int_params.irq_source; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + dm_crtc_high_irq, c_irq_params); + } + + /* Use GRPH_PFLIP interrupt */ + for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT; + i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + adev->mode_info.num_crtc - 1; + i++) { + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq); + if (r) { + DRM_ERROR("Failed to add page flip irq id!\n"); + return r; + } + + int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; + int_params.irq_source = + dc_interrupt_to_irq_source(dc, i, 0); + + c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; + + c_irq_params->adev = adev; + c_irq_params->irq_src = int_params.irq_source; + + amdgpu_dm_irq_register_interrupt(adev, &int_params, + dm_pflip_high_irq, c_irq_params); + + } + + /* HPD */ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT, + &adev->hpd_irq); + if (r) { + DRM_ERROR("Failed to add hpd irq id!\n"); + return r; + } + + register_hpd_handlers(adev); + + return 0; +} +#endif + +static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev) +{ + int r; + + adev->mode_info.mode_config_initialized = true; + + adev->ddev->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs; + adev->ddev->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs; + + adev->ddev->mode_config.max_width = 16384; + adev->ddev->mode_config.max_height = 16384; + + adev->ddev->mode_config.preferred_depth = 24; + adev->ddev->mode_config.prefer_shadow = 1; + /* indicate support of immediate flip */ + adev->ddev->mode_config.async_page_flip = true; + + adev->ddev->mode_config.fb_base = adev->gmc.aper_base; + + r = amdgpu_display_modeset_create_props(adev); + if (r) + return r; + + return 0; +} + +#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ + defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) + +static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) +{ + struct amdgpu_display_manager *dm = bl_get_data(bd); + + if (dc_link_set_backlight_level(dm->backlight_link, + bd->props.brightness, 0, 0)) + return 0; + else + return 1; +} + +static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) +{ + struct amdgpu_display_manager *dm = bl_get_data(bd); + int ret = dc_link_get_backlight_level(dm->backlight_link); + + if (ret == DC_ERROR_UNEXPECTED) + return bd->props.brightness; + return ret; +} + +static const struct backlight_ops amdgpu_dm_backlight_ops = { + .options = BL_CORE_SUSPENDRESUME, + .get_brightness = amdgpu_dm_backlight_get_brightness, + .update_status = amdgpu_dm_backlight_update_status, +}; + +static void +amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm) +{ + char bl_name[16]; + struct backlight_properties props = { 0 }; + + props.max_brightness = AMDGPU_MAX_BL_LEVEL; + props.brightness = AMDGPU_MAX_BL_LEVEL; + props.type = BACKLIGHT_RAW; + + snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d", + dm->adev->ddev->primary->index); + + dm->backlight_dev = backlight_device_register(bl_name, + dm->adev->ddev->dev, + dm, + &amdgpu_dm_backlight_ops, + &props); + + if (IS_ERR(dm->backlight_dev)) + DRM_ERROR("DM: Backlight registration failed!\n"); + else + DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name); +} + +#endif + +static int initialize_plane(struct amdgpu_display_manager *dm, + struct amdgpu_mode_info *mode_info, + int plane_id) +{ + struct amdgpu_plane *plane; + unsigned long possible_crtcs; + int ret = 0; + + plane = kzalloc(sizeof(struct amdgpu_plane), GFP_KERNEL); + mode_info->planes[plane_id] = plane; + + if (!plane) { + DRM_ERROR("KMS: Failed to allocate plane\n"); + return -ENOMEM; + } + plane->base.type = mode_info->plane_type[plane_id]; + + /* + * HACK: IGT tests expect that each plane can only have one + * one possible CRTC. For now, set one CRTC for each + * plane that is not an underlay, but still allow multiple + * CRTCs for underlay planes. + */ + possible_crtcs = 1 << plane_id; + if (plane_id >= dm->dc->caps.max_streams) + possible_crtcs = 0xff; + + ret = amdgpu_dm_plane_init(dm, mode_info->planes[plane_id], possible_crtcs); + + if (ret) { + DRM_ERROR("KMS: Failed to initialize plane\n"); + return ret; + } + + return ret; +} + + +static void register_backlight_device(struct amdgpu_display_manager *dm, + struct dc_link *link) +{ +#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ + defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) + + if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && + link->type != dc_connection_none) { + /* Event if registration failed, we should continue with + * DM initialization because not having a backlight control + * is better then a black screen. + */ + amdgpu_dm_register_backlight_device(dm); + + if (dm->backlight_dev) + dm->backlight_link = link; + } +#endif +} + + +/* In this architecture, the association + * connector -> encoder -> crtc + * id not really requried. The crtc and connector will hold the + * display_index as an abstraction to use with DAL component + * + * Returns 0 on success + */ +static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) +{ + struct amdgpu_display_manager *dm = &adev->dm; + int32_t i; + struct amdgpu_dm_connector *aconnector = NULL; + struct amdgpu_encoder *aencoder = NULL; + struct amdgpu_mode_info *mode_info = &adev->mode_info; + uint32_t link_cnt; + int32_t total_overlay_planes, total_primary_planes; + enum dc_connection_type new_connection_type = dc_connection_none; + + link_cnt = dm->dc->caps.max_links; + if (amdgpu_dm_mode_config_init(dm->adev)) { + DRM_ERROR("DM: Failed to initialize mode config\n"); + return -1; + } + + /* Identify the number of planes to be initialized */ + total_overlay_planes = dm->dc->caps.max_slave_planes; + total_primary_planes = dm->dc->caps.max_planes - dm->dc->caps.max_slave_planes; + + /* First initialize overlay planes, index starting after primary planes */ + for (i = (total_overlay_planes - 1); i >= 0; i--) { + if (initialize_plane(dm, mode_info, (total_primary_planes + i))) { + DRM_ERROR("KMS: Failed to initialize overlay plane\n"); + goto fail; + } + } + + /* Initialize primary planes */ + for (i = (total_primary_planes - 1); i >= 0; i--) { + if (initialize_plane(dm, mode_info, i)) { + DRM_ERROR("KMS: Failed to initialize primary plane\n"); + goto fail; + } + } + + for (i = 0; i < dm->dc->caps.max_streams; i++) + if (amdgpu_dm_crtc_init(dm, &mode_info->planes[i]->base, i)) { + DRM_ERROR("KMS: Failed to initialize crtc\n"); + goto fail; + } + + dm->display_indexes_num = dm->dc->caps.max_streams; + + /* loops over all connectors on the board */ + for (i = 0; i < link_cnt; i++) { + struct dc_link *link = NULL; + + if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) { + DRM_ERROR( + "KMS: Cannot support more than %d display indexes\n", + AMDGPU_DM_MAX_DISPLAY_INDEX); + continue; + } + + aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL); + if (!aconnector) + goto fail; + + aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL); + if (!aencoder) + goto fail; + + if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) { + DRM_ERROR("KMS: Failed to initialize encoder\n"); + goto fail; + } + + if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) { + DRM_ERROR("KMS: Failed to initialize connector\n"); + goto fail; + } + + link = dc_get_link_at_index(dm->dc, i); + + if (!dc_link_detect_sink(link, &new_connection_type)) + DRM_ERROR("KMS: Failed to detect connector\n"); + + if (aconnector->base.force && new_connection_type == dc_connection_none) { + emulated_link_detect(link); + amdgpu_dm_update_connector_after_detect(aconnector); + + } else if (dc_link_detect(link, DETECT_REASON_BOOT)) { + amdgpu_dm_update_connector_after_detect(aconnector); + register_backlight_device(dm, link); + } + + + } + + /* Software is initialized. Now we can register interrupt handlers. */ + switch (adev->asic_type) { + case CHIP_BONAIRE: + case CHIP_HAWAII: + case CHIP_KAVERI: + case CHIP_KABINI: + case CHIP_MULLINS: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_CARRIZO: + case CHIP_STONEY: + case CHIP_POLARIS11: + case CHIP_POLARIS10: + case CHIP_POLARIS12: + case CHIP_VEGAM: + case CHIP_VEGA10: + case CHIP_VEGA12: + case CHIP_VEGA20: + if (dce110_register_irq_handlers(dm->adev)) { + DRM_ERROR("DM: Failed to initialize IRQ\n"); + goto fail; + } + break; +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) + case CHIP_RAVEN: + if (dcn10_register_irq_handlers(dm->adev)) { + DRM_ERROR("DM: Failed to initialize IRQ\n"); + goto fail; + } + break; +#endif + default: + DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); + goto fail; + } + + if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY) + dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true; + + return 0; +fail: + kfree(aencoder); + kfree(aconnector); + for (i = 0; i < dm->dc->caps.max_planes; i++) + kfree(mode_info->planes[i]); + return -1; +} + +static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm) +{ + drm_mode_config_cleanup(dm->ddev); + return; +} + +/****************************************************************************** + * amdgpu_display_funcs functions + *****************************************************************************/ + +/** + * dm_bandwidth_update - program display watermarks + * + * @adev: amdgpu_device pointer + * + * Calculate and program the display watermarks and line buffer allocation. + */ +static void dm_bandwidth_update(struct amdgpu_device *adev) +{ + /* TODO: implement later */ +} + +static int amdgpu_notify_freesync(struct drm_device *dev, void *data, + struct drm_file *filp) +{ + struct mod_freesync_params freesync_params; + uint8_t num_streams; + uint8_t i; + + struct amdgpu_device *adev = dev->dev_private; + int r = 0; + + /* Get freesync enable flag from DRM */ + + num_streams = dc_get_current_stream_count(adev->dm.dc); + + for (i = 0; i < num_streams; i++) { + struct dc_stream_state *stream; + stream = dc_get_stream_at_index(adev->dm.dc, i); + + mod_freesync_update_state(adev->dm.freesync_module, + &stream, 1, &freesync_params); + } + + return r; +} + +static const struct amdgpu_display_funcs dm_display_funcs = { + .bandwidth_update = dm_bandwidth_update, /* called unconditionally */ + .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */ + .backlight_set_level = NULL, /* never called for DC */ + .backlight_get_level = NULL, /* never called for DC */ + .hpd_sense = NULL,/* called unconditionally */ + .hpd_set_polarity = NULL, /* called unconditionally */ + .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */ + .page_flip_get_scanoutpos = + dm_crtc_get_scanoutpos,/* called unconditionally */ + .add_encoder = NULL, /* VBIOS parsing. DAL does it. */ + .add_connector = NULL, /* VBIOS parsing. DAL does it. */ + .notify_freesync = amdgpu_notify_freesync, + +}; + +#if defined(CONFIG_DEBUG_KERNEL_DC) + +static ssize_t s3_debug_store(struct device *device, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + int s3_state; + struct pci_dev *pdev = to_pci_dev(device); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_dev->dev_private; + + ret = kstrtoint(buf, 0, &s3_state); + + if (ret == 0) { + if (s3_state) { + dm_resume(adev); + drm_kms_helper_hotplug_event(adev->ddev); + } else + dm_suspend(adev); + } + + return ret == 0 ? count : 0; +} + +DEVICE_ATTR_WO(s3_debug); + +#endif + +static int dm_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + switch (adev->asic_type) { + case CHIP_BONAIRE: + case CHIP_HAWAII: + adev->mode_info.num_crtc = 6; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 6; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_KAVERI: + adev->mode_info.num_crtc = 4; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 7; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_KABINI: + case CHIP_MULLINS: + adev->mode_info.num_crtc = 2; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 6; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_FIJI: + case CHIP_TONGA: + adev->mode_info.num_crtc = 6; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 7; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_CARRIZO: + adev->mode_info.num_crtc = 3; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 9; + adev->mode_info.plane_type = dm_plane_type_carizzo; + break; + case CHIP_STONEY: + adev->mode_info.num_crtc = 2; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 9; + adev->mode_info.plane_type = dm_plane_type_stoney; + break; + case CHIP_POLARIS11: + case CHIP_POLARIS12: + adev->mode_info.num_crtc = 5; + adev->mode_info.num_hpd = 5; + adev->mode_info.num_dig = 5; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_POLARIS10: + case CHIP_VEGAM: + adev->mode_info.num_crtc = 6; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 6; + adev->mode_info.plane_type = dm_plane_type_default; + break; + case CHIP_VEGA10: + case CHIP_VEGA12: + case CHIP_VEGA20: + adev->mode_info.num_crtc = 6; + adev->mode_info.num_hpd = 6; + adev->mode_info.num_dig = 6; + adev->mode_info.plane_type = dm_plane_type_default; + break; +#if defined(CONFIG_DRM_AMD_DC_DCN1_0) + case CHIP_RAVEN: + adev->mode_info.num_crtc = 4; + adev->mode_info.num_hpd = 4; + adev->mode_info.num_dig = 4; + adev->mode_info.plane_type = dm_plane_type_default; + break; +#endif + default: + DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); + return -EINVAL; + } + + amdgpu_dm_set_irq_funcs(adev); + + if (adev->mode_info.funcs == NULL) + adev->mode_info.funcs = &dm_display_funcs; + + /* Note: Do NOT change adev->audio_endpt_rreg and + * adev->audio_endpt_wreg because they are initialised in + * amdgpu_device_init() */ +#if defined(CONFIG_DEBUG_KERNEL_DC) + device_create_file( + adev->ddev->dev, + &dev_attr_s3_debug); +#endif + + return 0; +} + +static bool modeset_required(struct drm_crtc_state *crtc_state, + struct dc_stream_state *new_stream, + struct dc_stream_state *old_stream) +{ + if (!drm_atomic_crtc_needs_modeset(crtc_state)) + return false; + + if (!crtc_state->enable) + return false; + + return crtc_state->active; +} + +static bool modereset_required(struct drm_crtc_state *crtc_state) +{ + if (!drm_atomic_crtc_needs_modeset(crtc_state)) + return false; + + return !crtc_state->enable || !crtc_state->active; +} + +static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { + .destroy = amdgpu_dm_encoder_destroy, +}; + +static bool fill_rects_from_plane_state(const struct drm_plane_state *state, + struct dc_plane_state *plane_state) +{ + plane_state->src_rect.x = state->src_x >> 16; + plane_state->src_rect.y = state->src_y >> 16; + /*we ignore for now mantissa and do not to deal with floating pixels :(*/ + plane_state->src_rect.width = state->src_w >> 16; + + if (plane_state->src_rect.width == 0) + return false; + + plane_state->src_rect.height = state->src_h >> 16; + if (plane_state->src_rect.height == 0) + return false; + + plane_state->dst_rect.x = state->crtc_x; + plane_state->dst_rect.y = state->crtc_y; + + if (state->crtc_w == 0) + return false; + + plane_state->dst_rect.width = state->crtc_w; + + if (state->crtc_h == 0) + return false; + + plane_state->dst_rect.height = state->crtc_h; + + plane_state->clip_rect = plane_state->dst_rect; + + switch (state->rotation & DRM_MODE_ROTATE_MASK) { + case DRM_MODE_ROTATE_0: + plane_state->rotation = ROTATION_ANGLE_0; + break; + case DRM_MODE_ROTATE_90: + plane_state->rotation = ROTATION_ANGLE_90; + break; + case DRM_MODE_ROTATE_180: + plane_state->rotation = ROTATION_ANGLE_180; + break; + case DRM_MODE_ROTATE_270: + plane_state->rotation = ROTATION_ANGLE_270; + break; + default: + plane_state->rotation = ROTATION_ANGLE_0; + break; + } + + return true; +} +static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, + uint64_t *tiling_flags) +{ + struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]); + int r = amdgpu_bo_reserve(rbo, false); + + if (unlikely(r)) { + // Don't show error msg. when return -ERESTARTSYS + if (r != -ERESTARTSYS) + DRM_ERROR("Unable to reserve buffer: %d\n", r); + return r; + } + + if (tiling_flags) + amdgpu_bo_get_tiling_flags(rbo, tiling_flags); + + amdgpu_bo_unreserve(rbo); + + return r; +} + +static int fill_plane_attributes_from_fb(struct amdgpu_device *adev, + struct dc_plane_state *plane_state, + const struct amdgpu_framebuffer *amdgpu_fb) +{ + uint64_t tiling_flags; + unsigned int awidth; + const struct drm_framebuffer *fb = &amdgpu_fb->base; + int ret = 0; + struct drm_format_name_buf format_name; + + ret = get_fb_info( + amdgpu_fb, + &tiling_flags); + + if (ret) + return ret; + + switch (fb->format->format) { + case DRM_FORMAT_C8: + plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS; + break; + case DRM_FORMAT_RGB565: + plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565; + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888; + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010; + break; + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010; + break; + case DRM_FORMAT_NV21: + plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr; + break; + case DRM_FORMAT_NV12: + plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb; + break; + default: + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(fb->format->format, &format_name)); + return -EINVAL; + } + + if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) { + plane_state->address.type = PLN_ADDR_TYPE_GRAPHICS; + plane_state->plane_size.grph.surface_size.x = 0; + plane_state->plane_size.grph.surface_size.y = 0; + plane_state->plane_size.grph.surface_size.width = fb->width; + plane_state->plane_size.grph.surface_size.height = fb->height; + plane_state->plane_size.grph.surface_pitch = + fb->pitches[0] / fb->format->cpp[0]; + /* TODO: unhardcode */ + plane_state->color_space = COLOR_SPACE_SRGB; + + } else { + awidth = ALIGN(fb->width, 64); + plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE; + plane_state->plane_size.video.luma_size.x = 0; + plane_state->plane_size.video.luma_size.y = 0; + plane_state->plane_size.video.luma_size.width = awidth; + plane_state->plane_size.video.luma_size.height = fb->height; + /* TODO: unhardcode */ + plane_state->plane_size.video.luma_pitch = awidth; + + plane_state->plane_size.video.chroma_size.x = 0; + plane_state->plane_size.video.chroma_size.y = 0; + plane_state->plane_size.video.chroma_size.width = awidth; + plane_state->plane_size.video.chroma_size.height = fb->height; + plane_state->plane_size.video.chroma_pitch = awidth / 2; + + /* TODO: unhardcode */ + plane_state->color_space = COLOR_SPACE_YCBCR709; + } + + memset(&plane_state->tiling_info, 0, sizeof(plane_state->tiling_info)); + + /* Fill GFX8 params */ + if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) { + unsigned int bankw, bankh, mtaspect, tile_split, num_banks; + + bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH); + bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT); + mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT); + tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT); + num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS); + + /* XXX fix me for VI */ + plane_state->tiling_info.gfx8.num_banks = num_banks; + plane_state->tiling_info.gfx8.array_mode = + DC_ARRAY_2D_TILED_THIN1; + plane_state->tiling_info.gfx8.tile_split = tile_split; + plane_state->tiling_info.gfx8.bank_width = bankw; + plane_state->tiling_info.gfx8.bank_height = bankh; + plane_state->tiling_info.gfx8.tile_aspect = mtaspect; + plane_state->tiling_info.gfx8.tile_mode = + DC_ADDR_SURF_MICRO_TILING_DISPLAY; + } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) + == DC_ARRAY_1D_TILED_THIN1) { + plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1; + } + + plane_state->tiling_info.gfx8.pipe_config = + AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG); + + if (adev->asic_type == CHIP_VEGA10 || + adev->asic_type == CHIP_VEGA12 || + adev->asic_type == CHIP_VEGA20 || + adev->asic_type == CHIP_RAVEN) { + /* Fill GFX9 params */ + plane_state->tiling_info.gfx9.num_pipes = + adev->gfx.config.gb_addr_config_fields.num_pipes; + plane_state->tiling_info.gfx9.num_banks = + adev->gfx.config.gb_addr_config_fields.num_banks; + plane_state->tiling_info.gfx9.pipe_interleave = + adev->gfx.config.gb_addr_config_fields.pipe_interleave_size; + plane_state->tiling_info.gfx9.num_shader_engines = + adev->gfx.config.gb_addr_config_fields.num_se; + plane_state->tiling_info.gfx9.max_compressed_frags = + adev->gfx.config.gb_addr_config_fields.max_compress_frags; + plane_state->tiling_info.gfx9.num_rb_per_se = + adev->gfx.config.gb_addr_config_fields.num_rb_per_se; + plane_state->tiling_info.gfx9.swizzle = + AMDGPU_TILING_GET(tiling_flags, SWIZZLE_MODE); + plane_state->tiling_info.gfx9.shaderEnable = 1; + } + + plane_state->visible = true; + plane_state->scaling_quality.h_taps_c = 0; + plane_state->scaling_quality.v_taps_c = 0; + + /* is this needed? is plane_state zeroed at allocation? */ + plane_state->scaling_quality.h_taps = 0; + plane_state->scaling_quality.v_taps = 0; + plane_state->stereo_format = PLANE_STEREO_FORMAT_NONE; + + return ret; + +} + +static int fill_plane_attributes(struct amdgpu_device *adev, + struct dc_plane_state *dc_plane_state, + struct drm_plane_state *plane_state, + struct drm_crtc_state *crtc_state) +{ + const struct amdgpu_framebuffer *amdgpu_fb = + to_amdgpu_framebuffer(plane_state->fb); + const struct drm_crtc *crtc = plane_state->crtc; + int ret = 0; + + if (!fill_rects_from_plane_state(plane_state, dc_plane_state)) + return -EINVAL; + + ret = fill_plane_attributes_from_fb( + crtc->dev->dev_private, + dc_plane_state, + amdgpu_fb); + + if (ret) + return ret; + + /* + * Always set input transfer function, since plane state is refreshed + * every time. + */ + ret = amdgpu_dm_set_degamma_lut(crtc_state, dc_plane_state); + if (ret) { + dc_transfer_func_release(dc_plane_state->in_transfer_func); + dc_plane_state->in_transfer_func = NULL; + } + + return ret; +} + +/*****************************************************************************/ + +static void update_stream_scaling_settings(const struct drm_display_mode *mode, + const struct dm_connector_state *dm_state, + struct dc_stream_state *stream) +{ + enum amdgpu_rmx_type rmx_type; + + struct rect src = { 0 }; /* viewport in composition space*/ + struct rect dst = { 0 }; /* stream addressable area */ + + /* no mode. nothing to be done */ + if (!mode) + return; + + /* Full screen scaling by default */ + src.width = mode->hdisplay; + src.height = mode->vdisplay; + dst.width = stream->timing.h_addressable; + dst.height = stream->timing.v_addressable; + + if (dm_state) { + rmx_type = dm_state->scaling; + if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) { + if (src.width * dst.height < + src.height * dst.width) { + /* height needs less upscaling/more downscaling */ + dst.width = src.width * + dst.height / src.height; + } else { + /* width needs less upscaling/more downscaling */ + dst.height = src.height * + dst.width / src.width; + } + } else if (rmx_type == RMX_CENTER) { + dst = src; + } + + dst.x = (stream->timing.h_addressable - dst.width) / 2; + dst.y = (stream->timing.v_addressable - dst.height) / 2; + + if (dm_state->underscan_enable) { + dst.x += dm_state->underscan_hborder / 2; + dst.y += dm_state->underscan_vborder / 2; + dst.width -= dm_state->underscan_hborder; + dst.height -= dm_state->underscan_vborder; + } + } + + stream->src = src; + stream->dst = dst; + + DRM_DEBUG_DRIVER("Destination Rectangle x:%d y:%d width:%d height:%d\n", + dst.x, dst.y, dst.width, dst.height); + +} + +static enum dc_color_depth +convert_color_depth_from_display_info(const struct drm_connector *connector) +{ + struct dm_connector_state *dm_conn_state = + to_dm_connector_state(connector->state); + uint32_t bpc = connector->display_info.bpc; + + /* TODO: Remove this when there's support for max_bpc in drm */ + if (dm_conn_state && bpc > dm_conn_state->max_bpc) + /* Round down to nearest even number. */ + bpc = dm_conn_state->max_bpc - (dm_conn_state->max_bpc & 1); + + switch (bpc) { + case 0: + /* Temporary Work around, DRM don't parse color depth for + * EDID revision before 1.4 + * TODO: Fix edid parsing + */ + return COLOR_DEPTH_888; + case 6: + return COLOR_DEPTH_666; + case 8: + return COLOR_DEPTH_888; + case 10: + return COLOR_DEPTH_101010; + case 12: + return COLOR_DEPTH_121212; + case 14: + return COLOR_DEPTH_141414; + case 16: + return COLOR_DEPTH_161616; + default: + return COLOR_DEPTH_UNDEFINED; + } +} + +static enum dc_aspect_ratio +get_aspect_ratio(const struct drm_display_mode *mode_in) +{ + /* 1-1 mapping, since both enums follow the HDMI spec. */ + return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio; +} + +static enum dc_color_space +get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing) +{ + enum dc_color_space color_space = COLOR_SPACE_SRGB; + + switch (dc_crtc_timing->pixel_encoding) { + case PIXEL_ENCODING_YCBCR422: + case PIXEL_ENCODING_YCBCR444: + case PIXEL_ENCODING_YCBCR420: + { + /* + * 27030khz is the separation point between HDTV and SDTV + * according to HDMI spec, we use YCbCr709 and YCbCr601 + * respectively + */ + if (dc_crtc_timing->pix_clk_khz > 27030) { + if (dc_crtc_timing->flags.Y_ONLY) + color_space = + COLOR_SPACE_YCBCR709_LIMITED; + else + color_space = COLOR_SPACE_YCBCR709; + } else { + if (dc_crtc_timing->flags.Y_ONLY) + color_space = + COLOR_SPACE_YCBCR601_LIMITED; + else + color_space = COLOR_SPACE_YCBCR601; + } + + } + break; + case PIXEL_ENCODING_RGB: + color_space = COLOR_SPACE_SRGB; + break; + + default: + WARN_ON(1); + break; + } + + return color_space; +} + +static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out) +{ + if (timing_out->display_color_depth <= COLOR_DEPTH_888) + return; + + timing_out->display_color_depth--; +} + +static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out, + const struct drm_display_info *info) +{ + int normalized_clk; + if (timing_out->display_color_depth <= COLOR_DEPTH_888) + return; + do { + normalized_clk = timing_out->pix_clk_khz; + /* YCbCr 4:2:0 requires additional adjustment of 1/2 */ + if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420) + normalized_clk /= 2; + /* Adjusting pix clock following on HDMI spec based on colour depth */ + switch (timing_out->display_color_depth) { + case COLOR_DEPTH_101010: + normalized_clk = (normalized_clk * 30) / 24; + break; + case COLOR_DEPTH_121212: + normalized_clk = (normalized_clk * 36) / 24; + break; + case COLOR_DEPTH_161616: + normalized_clk = (normalized_clk * 48) / 24; + break; + default: + return; + } + if (normalized_clk <= info->max_tmds_clock) + return; + reduce_mode_colour_depth(timing_out); + + } while (timing_out->display_color_depth > COLOR_DEPTH_888); + +} +/*****************************************************************************/ + +static void +fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream, + const struct drm_display_mode *mode_in, + const struct drm_connector *connector) +{ + struct dc_crtc_timing *timing_out = &stream->timing; + const struct drm_display_info *info = &connector->display_info; + + memset(timing_out, 0, sizeof(struct dc_crtc_timing)); + + timing_out->h_border_left = 0; + timing_out->h_border_right = 0; + timing_out->v_border_top = 0; + timing_out->v_border_bottom = 0; + /* TODO: un-hardcode */ + if (drm_mode_is_420_only(info, mode_in) + && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) + timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; + else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444) + && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) + timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444; + else + timing_out->pixel_encoding = PIXEL_ENCODING_RGB; + + timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE; + timing_out->display_color_depth = convert_color_depth_from_display_info( + connector); + timing_out->scan_type = SCANNING_TYPE_NODATA; + timing_out->hdmi_vic = 0; + timing_out->vic = drm_match_cea_mode(mode_in); + + timing_out->h_addressable = mode_in->crtc_hdisplay; + timing_out->h_total = mode_in->crtc_htotal; + timing_out->h_sync_width = + mode_in->crtc_hsync_end - mode_in->crtc_hsync_start; + timing_out->h_front_porch = + mode_in->crtc_hsync_start - mode_in->crtc_hdisplay; + timing_out->v_total = mode_in->crtc_vtotal; + timing_out->v_addressable = mode_in->crtc_vdisplay; + timing_out->v_front_porch = + mode_in->crtc_vsync_start - mode_in->crtc_vdisplay; + timing_out->v_sync_width = + mode_in->crtc_vsync_end - mode_in->crtc_vsync_start; + timing_out->pix_clk_khz = mode_in->crtc_clock; + timing_out->aspect_ratio = get_aspect_ratio(mode_in); + if (mode_in->flags & DRM_MODE_FLAG_PHSYNC) + timing_out->flags.HSYNC_POSITIVE_POLARITY = 1; + if (mode_in->flags & DRM_MODE_FLAG_PVSYNC) + timing_out->flags.VSYNC_POSITIVE_POLARITY = 1; + + stream->output_color_space = get_output_color_space(timing_out); + + stream->out_transfer_func->type = TF_TYPE_PREDEFINED; + stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB; + if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) + adjust_colour_depth_from_display_info(timing_out, info); +} + +static void fill_audio_info(struct audio_info *audio_info, + const struct drm_connector *drm_connector, + const struct dc_sink *dc_sink) +{ + int i = 0; + int cea_revision = 0; + const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps; + + audio_info->manufacture_id = edid_caps->manufacturer_id; + audio_info->product_id = edid_caps->product_id; + + cea_revision = drm_connector->display_info.cea_rev; + + strncpy(audio_info->display_name, + edid_caps->display_name, + AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS - 1); + + if (cea_revision >= 3) { + audio_info->mode_count = edid_caps->audio_mode_count; + + for (i = 0; i < audio_info->mode_count; ++i) { + audio_info->modes[i].format_code = + (enum audio_format_code) + (edid_caps->audio_modes[i].format_code); + audio_info->modes[i].channel_count = + edid_caps->audio_modes[i].channel_count; + audio_info->modes[i].sample_rates.all = + edid_caps->audio_modes[i].sample_rate; + audio_info->modes[i].sample_size = + edid_caps->audio_modes[i].sample_size; + } + } + + audio_info->flags.all = edid_caps->speaker_flags; + + /* TODO: We only check for the progressive mode, check for interlace mode too */ + if (drm_connector->latency_present[0]) { + audio_info->video_latency = drm_connector->video_latency[0]; + audio_info->audio_latency = drm_connector->audio_latency[0]; + } + + /* TODO: For DP, video and audio latency should be calculated from DPCD caps */ + +} + +static void +copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode, + struct drm_display_mode *dst_mode) +{ + dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay; + dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay; + dst_mode->crtc_clock = src_mode->crtc_clock; + dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start; + dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end; + dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start; + dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end; + dst_mode->crtc_htotal = src_mode->crtc_htotal; + dst_mode->crtc_hskew = src_mode->crtc_hskew; + dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start; + dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end; + dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start; + dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end; + dst_mode->crtc_vtotal = src_mode->crtc_vtotal; +} + +static void +decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode, + const struct drm_display_mode *native_mode, + bool scale_enabled) +{ + if (scale_enabled) { + copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); + } else if (native_mode->clock == drm_mode->clock && + native_mode->htotal == drm_mode->htotal && + native_mode->vtotal == drm_mode->vtotal) { + copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); + } else { + /* no scaling nor amdgpu inserted, no need to patch */ + } +} + +static struct dc_sink * +create_fake_sink(struct amdgpu_dm_connector *aconnector) +{ + struct dc_sink_init_data sink_init_data = { 0 }; + struct dc_sink *sink = NULL; + sink_init_data.link = aconnector->dc_link; + sink_init_data.sink_signal = aconnector->dc_link->connector_signal; + + sink = dc_sink_create(&sink_init_data); + if (!sink) { + DRM_ERROR("Failed to create sink!\n"); + return NULL; + } + sink->sink_signal = SIGNAL_TYPE_VIRTUAL; + + return sink; +} + +static void set_multisync_trigger_params( + struct dc_stream_state *stream) +{ + if (stream->triggered_crtc_reset.enabled) { + stream->triggered_crtc_reset.event = CRTC_EVENT_VSYNC_RISING; + stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_LINE; + } +} + +static void set_master_stream(struct dc_stream_state *stream_set[], + int stream_count) +{ + int j, highest_rfr = 0, master_stream = 0; + + for (j = 0; j < stream_count; j++) { + if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) { + int refresh_rate = 0; + + refresh_rate = (stream_set[j]->timing.pix_clk_khz*1000)/ + (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total); + if (refresh_rate > highest_rfr) { + highest_rfr = refresh_rate; + master_stream = j; + } + } + } + for (j = 0; j < stream_count; j++) { + if (stream_set[j]) + stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream]; + } +} + +static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context) +{ + int i = 0; + + if (context->stream_count < 2) + return; + for (i = 0; i < context->stream_count ; i++) { + if (!context->streams[i]) + continue; + /* TODO: add a function to read AMD VSDB bits and will set + * crtc_sync_master.multi_sync_enabled flag + * For now its set to false + */ + set_multisync_trigger_params(context->streams[i]); + } + set_master_stream(context->streams, context->stream_count); +} + +static struct dc_stream_state * +create_stream_for_sink(struct amdgpu_dm_connector *aconnector, + const struct drm_display_mode *drm_mode, + const struct dm_connector_state *dm_state) +{ + struct drm_display_mode *preferred_mode = NULL; + struct drm_connector *drm_connector; + struct dc_stream_state *stream = NULL; + struct drm_display_mode mode = *drm_mode; + bool native_mode_found = false; + struct dc_sink *sink = NULL; + if (aconnector == NULL) { + DRM_ERROR("aconnector is NULL!\n"); + return stream; + } + + drm_connector = &aconnector->base; + + if (!aconnector->dc_sink) { + /* + * Create dc_sink when necessary to MST + * Don't apply fake_sink to MST + */ + if (aconnector->mst_port) { + dm_dp_mst_dc_sink_create(drm_connector); + return stream; + } + + sink = create_fake_sink(aconnector); + if (!sink) + return stream; + } else { + sink = aconnector->dc_sink; + } + + stream = dc_create_stream_for_sink(sink); + + if (stream == NULL) { + DRM_ERROR("Failed to create stream for sink!\n"); + goto finish; + } + + list_for_each_entry(preferred_mode, &aconnector->base.modes, head) { + /* Search for preferred mode */ + if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) { + native_mode_found = true; + break; + } + } + if (!native_mode_found) + preferred_mode = list_first_entry_or_null( + &aconnector->base.modes, + struct drm_display_mode, + head); + + if (preferred_mode == NULL) { + /* This may not be an error, the use case is when we we have no + * usermode calls to reset and set mode upon hotplug. In this + * case, we call set mode ourselves to restore the previous mode + * and the modelist may not be filled in in time. + */ + DRM_DEBUG_DRIVER("No preferred mode found\n"); + } else { + decide_crtc_timing_for_drm_display_mode( + &mode, preferred_mode, + dm_state ? (dm_state->scaling != RMX_OFF) : false); + } + + if (!dm_state) + drm_mode_set_crtcinfo(&mode, 0); + + fill_stream_properties_from_drm_display_mode(stream, + &mode, &aconnector->base); + update_stream_scaling_settings(&mode, dm_state, stream); + + fill_audio_info( + &stream->audio_info, + drm_connector, + sink); + + update_stream_signal(stream); + + if (dm_state && dm_state->freesync_capable) + stream->ignore_msa_timing_param = true; +finish: + if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL && aconnector->base.force != DRM_FORCE_ON) + dc_sink_release(sink); + + return stream; +} + +static void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc) +{ + drm_crtc_cleanup(crtc); + kfree(crtc); +} + +static void dm_crtc_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct dm_crtc_state *cur = to_dm_crtc_state(state); + + /* TODO Destroy dc_stream objects are stream object is flattened */ + if (cur->stream) + dc_stream_release(cur->stream); + + + __drm_atomic_helper_crtc_destroy_state(state); + + + kfree(state); +} + +static void dm_crtc_reset_state(struct drm_crtc *crtc) +{ + struct dm_crtc_state *state; + + if (crtc->state) + dm_crtc_destroy_state(crtc, crtc->state); + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (WARN_ON(!state)) + return; + + crtc->state = &state->base; + crtc->state->crtc = crtc; + +} + +static struct drm_crtc_state * +dm_crtc_duplicate_state(struct drm_crtc *crtc) +{ + struct dm_crtc_state *state, *cur; + + cur = to_dm_crtc_state(crtc->state); + + if (WARN_ON(!crtc->state)) + return NULL; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base); + + if (cur->stream) { + state->stream = cur->stream; + dc_stream_retain(state->stream); + } + + /* TODO Duplicate dc_stream after objects are stream object is flattened */ + + return &state->base; +} + + +static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) +{ + enum dc_irq_source irq_source; + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + struct amdgpu_device *adev = crtc->dev->dev_private; + + irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst; + return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY; +} + +static int dm_enable_vblank(struct drm_crtc *crtc) +{ + return dm_set_vblank(crtc, true); +} + +static void dm_disable_vblank(struct drm_crtc *crtc) +{ + dm_set_vblank(crtc, false); +} + +/* Implemented only the options currently availible for the driver */ +static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { + .reset = dm_crtc_reset_state, + .destroy = amdgpu_dm_crtc_destroy, + .gamma_set = drm_atomic_helper_legacy_gamma_set, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .atomic_duplicate_state = dm_crtc_duplicate_state, + .atomic_destroy_state = dm_crtc_destroy_state, + .set_crc_source = amdgpu_dm_crtc_set_crc_source, + .enable_vblank = dm_enable_vblank, + .disable_vblank = dm_disable_vblank, +}; + +static enum drm_connector_status +amdgpu_dm_connector_detect(struct drm_connector *connector, bool force) +{ + bool connected; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + + /* Notes: + * 1. This interface is NOT called in context of HPD irq. + * 2. This interface *is called* in context of user-mode ioctl. Which + * makes it a bad place for *any* MST-related activit. */ + + if (aconnector->base.force == DRM_FORCE_UNSPECIFIED && + !aconnector->fake_enable) + connected = (aconnector->dc_sink != NULL); + else + connected = (aconnector->base.force == DRM_FORCE_ON); + + return (connected ? connector_status_connected : + connector_status_disconnected); +} + +int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, + struct drm_connector_state *connector_state, + struct drm_property *property, + uint64_t val) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + struct dm_connector_state *dm_old_state = + to_dm_connector_state(connector->state); + struct dm_connector_state *dm_new_state = + to_dm_connector_state(connector_state); + + int ret = -EINVAL; + + if (property == dev->mode_config.scaling_mode_property) { + enum amdgpu_rmx_type rmx_type; + + switch (val) { + case DRM_MODE_SCALE_CENTER: + rmx_type = RMX_CENTER; + break; + case DRM_MODE_SCALE_ASPECT: + rmx_type = RMX_ASPECT; + break; + case DRM_MODE_SCALE_FULLSCREEN: + rmx_type = RMX_FULL; + break; + case DRM_MODE_SCALE_NONE: + default: + rmx_type = RMX_OFF; + break; + } + + if (dm_old_state->scaling == rmx_type) + return 0; + + dm_new_state->scaling = rmx_type; + ret = 0; + } else if (property == adev->mode_info.underscan_hborder_property) { + dm_new_state->underscan_hborder = val; + ret = 0; + } else if (property == adev->mode_info.underscan_vborder_property) { + dm_new_state->underscan_vborder = val; + ret = 0; + } else if (property == adev->mode_info.underscan_property) { + dm_new_state->underscan_enable = val; + ret = 0; + } else if (property == adev->mode_info.max_bpc_property) { + dm_new_state->max_bpc = val; + ret = 0; + } + + return ret; +} + +int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, + const struct drm_connector_state *state, + struct drm_property *property, + uint64_t *val) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + struct dm_connector_state *dm_state = + to_dm_connector_state(state); + int ret = -EINVAL; + + if (property == dev->mode_config.scaling_mode_property) { + switch (dm_state->scaling) { + case RMX_CENTER: + *val = DRM_MODE_SCALE_CENTER; + break; + case RMX_ASPECT: + *val = DRM_MODE_SCALE_ASPECT; + break; + case RMX_FULL: + *val = DRM_MODE_SCALE_FULLSCREEN; + break; + case RMX_OFF: + default: + *val = DRM_MODE_SCALE_NONE; + break; + } + ret = 0; + } else if (property == adev->mode_info.underscan_hborder_property) { + *val = dm_state->underscan_hborder; + ret = 0; + } else if (property == adev->mode_info.underscan_vborder_property) { + *val = dm_state->underscan_vborder; + ret = 0; + } else if (property == adev->mode_info.underscan_property) { + *val = dm_state->underscan_enable; + ret = 0; + } else if (property == adev->mode_info.max_bpc_property) { + *val = dm_state->max_bpc; + ret = 0; + } + return ret; +} + +static void amdgpu_dm_connector_destroy(struct drm_connector *connector) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + const struct dc_link *link = aconnector->dc_link; + struct amdgpu_device *adev = connector->dev->dev_private; + struct amdgpu_display_manager *dm = &adev->dm; + +#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ + defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) + + if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && + link->type != dc_connection_none && + dm->backlight_dev) { + backlight_device_unregister(dm->backlight_dev); + dm->backlight_dev = NULL; + } +#endif + drm_connector_unregister(connector); + drm_connector_cleanup(connector); + kfree(connector); +} + +void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) +{ + struct dm_connector_state *state = + to_dm_connector_state(connector->state); + + if (connector->state) + __drm_atomic_helper_connector_destroy_state(connector->state); + + kfree(state); + + state = kzalloc(sizeof(*state), GFP_KERNEL); + + if (state) { + state->scaling = RMX_OFF; + state->underscan_enable = false; + state->underscan_hborder = 0; + state->underscan_vborder = 0; + state->max_bpc = 8; + + __drm_atomic_helper_connector_reset(connector, &state->base); + } +} + +struct drm_connector_state * +amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector) +{ + struct dm_connector_state *state = + to_dm_connector_state(connector->state); + + struct dm_connector_state *new_state = + kmemdup(state, sizeof(*state), GFP_KERNEL); + + if (new_state) { + __drm_atomic_helper_connector_duplicate_state(connector, + &new_state->base); + new_state->max_bpc = state->max_bpc; + return &new_state->base; + } + + return NULL; +} + +static const struct drm_connector_funcs amdgpu_dm_connector_funcs = { + .reset = amdgpu_dm_connector_funcs_reset, + .detect = amdgpu_dm_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = amdgpu_dm_connector_destroy, + .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, + .atomic_set_property = amdgpu_dm_connector_atomic_set_property, + .atomic_get_property = amdgpu_dm_connector_atomic_get_property +}; + +static struct drm_encoder *best_encoder(struct drm_connector *connector) +{ + int enc_id = connector->encoder_ids[0]; + struct drm_mode_object *obj; + struct drm_encoder *encoder; + + DRM_DEBUG_DRIVER("Finding the best encoder\n"); + + /* pick the encoder ids */ + if (enc_id) { + obj = drm_mode_object_find(connector->dev, NULL, enc_id, DRM_MODE_OBJECT_ENCODER); + if (!obj) { + DRM_ERROR("Couldn't find a matching encoder for our connector\n"); + return NULL; + } + encoder = obj_to_encoder(obj); + return encoder; + } + DRM_ERROR("No encoder id\n"); + return NULL; +} + +static int get_modes(struct drm_connector *connector) +{ + return amdgpu_dm_connector_get_modes(connector); +} + +static void create_eml_sink(struct amdgpu_dm_connector *aconnector) +{ + struct dc_sink_init_data init_params = { + .link = aconnector->dc_link, + .sink_signal = SIGNAL_TYPE_VIRTUAL + }; + struct edid *edid; + + if (!aconnector->base.edid_blob_ptr) { + DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n", + aconnector->base.name); + + aconnector->base.force = DRM_FORCE_OFF; + aconnector->base.override_edid = false; + return; + } + + edid = (struct edid *) aconnector->base.edid_blob_ptr->data; + + aconnector->edid = edid; + + aconnector->dc_em_sink = dc_link_add_remote_sink( + aconnector->dc_link, + (uint8_t *)edid, + (edid->extensions + 1) * EDID_LENGTH, + &init_params); + + if (aconnector->base.force == DRM_FORCE_ON) + aconnector->dc_sink = aconnector->dc_link->local_sink ? + aconnector->dc_link->local_sink : + aconnector->dc_em_sink; +} + +static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector) +{ + struct dc_link *link = (struct dc_link *)aconnector->dc_link; + + /* In case of headless boot with force on for DP managed connector + * Those settings have to be != 0 to get initial modeset + */ + if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) { + link->verified_link_cap.lane_count = LANE_COUNT_FOUR; + link->verified_link_cap.link_rate = LINK_RATE_HIGH2; + } + + + aconnector->base.override_edid = true; + create_eml_sink(aconnector); +} + +enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + int result = MODE_ERROR; + struct dc_sink *dc_sink; + struct amdgpu_device *adev = connector->dev->dev_private; + /* TODO: Unhardcode stream count */ + struct dc_stream_state *stream; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + enum dc_status dc_result = DC_OK; + + if ((mode->flags & DRM_MODE_FLAG_INTERLACE) || + (mode->flags & DRM_MODE_FLAG_DBLSCAN)) + return result; + + /* Only run this the first time mode_valid is called to initilialize + * EDID mgmt + */ + if (aconnector->base.force != DRM_FORCE_UNSPECIFIED && + !aconnector->dc_em_sink) + handle_edid_mgmt(aconnector); + + dc_sink = to_amdgpu_dm_connector(connector)->dc_sink; + + if (dc_sink == NULL) { + DRM_ERROR("dc_sink is NULL!\n"); + goto fail; + } + + stream = create_stream_for_sink(aconnector, mode, NULL); + if (stream == NULL) { + DRM_ERROR("Failed to create stream for sink!\n"); + goto fail; + } + + dc_result = dc_validate_stream(adev->dm.dc, stream); + + if (dc_result == DC_OK) + result = MODE_OK; + else + DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n", + mode->vdisplay, + mode->hdisplay, + mode->clock, + dc_result); + + dc_stream_release(stream); + +fail: + /* TODO: error handling*/ + return result; +} + +static const struct drm_connector_helper_funcs +amdgpu_dm_connector_helper_funcs = { + /* + * If hotplug a second bigger display in FB Con mode, bigger resolution + * modes will be filtered by drm_mode_validate_size(), and those modes + * is missing after user start lightdm. So we need to renew modes list. + * in get_modes call back, not just return the modes count + */ + .get_modes = get_modes, + .mode_valid = amdgpu_dm_connector_mode_valid, + .best_encoder = best_encoder +}; + +static void dm_crtc_helper_disable(struct drm_crtc *crtc) +{ +} + +static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct amdgpu_device *adev = crtc->dev->dev_private; + struct dc *dc = adev->dm.dc; + struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state); + int ret = -EINVAL; + + if (unlikely(!dm_crtc_state->stream && + modeset_required(state, NULL, dm_crtc_state->stream))) { + WARN_ON(1); + return ret; + } + + /* In some use cases, like reset, no stream is attached */ + if (!dm_crtc_state->stream) + return 0; + + if (dc_validate_stream(dc, dm_crtc_state->stream) == DC_OK) + return 0; + + return ret; +} + +static bool dm_crtc_helper_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = { + .disable = dm_crtc_helper_disable, + .atomic_check = dm_crtc_helper_atomic_check, + .mode_fixup = dm_crtc_helper_mode_fixup +}; + +static void dm_encoder_helper_disable(struct drm_encoder *encoder) +{ + +} + +static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + return 0; +} + +const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { + .disable = dm_encoder_helper_disable, + .atomic_check = dm_encoder_helper_atomic_check +}; + +static void dm_drm_plane_reset(struct drm_plane *plane) +{ + struct dm_plane_state *amdgpu_state = NULL; + + if (plane->state) + plane->funcs->atomic_destroy_state(plane, plane->state); + + amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL); + WARN_ON(amdgpu_state == NULL); + + if (amdgpu_state) { + plane->state = &amdgpu_state->base; + plane->state->plane = plane; + plane->state->rotation = DRM_MODE_ROTATE_0; + } +} + +static struct drm_plane_state * +dm_drm_plane_duplicate_state(struct drm_plane *plane) +{ + struct dm_plane_state *dm_plane_state, *old_dm_plane_state; + + old_dm_plane_state = to_dm_plane_state(plane->state); + dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL); + if (!dm_plane_state) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base); + + if (old_dm_plane_state->dc_state) { + dm_plane_state->dc_state = old_dm_plane_state->dc_state; + dc_plane_state_retain(dm_plane_state->dc_state); + } + + return &dm_plane_state->base; +} + +void dm_drm_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct dm_plane_state *dm_plane_state = to_dm_plane_state(state); + + if (dm_plane_state->dc_state) + dc_plane_state_release(dm_plane_state->dc_state); + + drm_atomic_helper_plane_destroy_state(plane, state); +} + +static const struct drm_plane_funcs dm_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = drm_primary_helper_destroy, + .reset = dm_drm_plane_reset, + .atomic_duplicate_state = dm_drm_plane_duplicate_state, + .atomic_destroy_state = dm_drm_plane_destroy_state, +}; + +static int dm_plane_helper_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct amdgpu_framebuffer *afb; + struct drm_gem_object *obj; + struct amdgpu_device *adev; + struct amdgpu_bo *rbo; + uint64_t chroma_addr = 0; + struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old; + unsigned int awidth; + uint32_t domain; + int r; + + dm_plane_state_old = to_dm_plane_state(plane->state); + dm_plane_state_new = to_dm_plane_state(new_state); + + if (!new_state->fb) { + DRM_DEBUG_DRIVER("No FB bound\n"); + return 0; + } + + afb = to_amdgpu_framebuffer(new_state->fb); + obj = new_state->fb->obj[0]; + rbo = gem_to_amdgpu_bo(obj); + adev = amdgpu_ttm_adev(rbo->tbo.bdev); + r = amdgpu_bo_reserve(rbo, false); + if (unlikely(r != 0)) + return r; + + if (plane->type != DRM_PLANE_TYPE_CURSOR) + domain = amdgpu_display_supported_domains(adev); + else + domain = AMDGPU_GEM_DOMAIN_VRAM; + + r = amdgpu_bo_pin(rbo, domain); + if (unlikely(r != 0)) { + if (r != -ERESTARTSYS) + DRM_ERROR("Failed to pin framebuffer with error %d\n", r); + amdgpu_bo_unreserve(rbo); + return r; + } + + r = amdgpu_ttm_alloc_gart(&rbo->tbo); + if (unlikely(r != 0)) { + amdgpu_bo_unpin(rbo); + amdgpu_bo_unreserve(rbo); + DRM_ERROR("%p bind failed\n", rbo); + return r; + } + amdgpu_bo_unreserve(rbo); + + afb->address = amdgpu_bo_gpu_offset(rbo); + + amdgpu_bo_ref(rbo); + + if (dm_plane_state_new->dc_state && + dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) { + struct dc_plane_state *plane_state = dm_plane_state_new->dc_state; + + if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) { + plane_state->address.grph.addr.low_part = lower_32_bits(afb->address); + plane_state->address.grph.addr.high_part = upper_32_bits(afb->address); + } else { + awidth = ALIGN(new_state->fb->width, 64); + plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE; + plane_state->address.video_progressive.luma_addr.low_part + = lower_32_bits(afb->address); + plane_state->address.video_progressive.luma_addr.high_part + = upper_32_bits(afb->address); + chroma_addr = afb->address + (u64)awidth * new_state->fb->height; + plane_state->address.video_progressive.chroma_addr.low_part + = lower_32_bits(chroma_addr); + plane_state->address.video_progressive.chroma_addr.high_part + = upper_32_bits(chroma_addr); + } + } + + return 0; +} + +static void dm_plane_helper_cleanup_fb(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct amdgpu_bo *rbo; + int r; + + if (!old_state->fb) + return; + + rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]); + r = amdgpu_bo_reserve(rbo, false); + if (unlikely(r)) { + DRM_ERROR("failed to reserve rbo before unpin\n"); + return; + } + + amdgpu_bo_unpin(rbo); + amdgpu_bo_unreserve(rbo); + amdgpu_bo_unref(&rbo); +} + +static int dm_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct amdgpu_device *adev = plane->dev->dev_private; + struct dc *dc = adev->dm.dc; + struct dm_plane_state *dm_plane_state = to_dm_plane_state(state); + + if (!dm_plane_state->dc_state) + return 0; + + if (!fill_rects_from_plane_state(state, dm_plane_state->dc_state)) + return -EINVAL; + + if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK) + return 0; + + return -EINVAL; +} + +static const struct drm_plane_helper_funcs dm_plane_helper_funcs = { + .prepare_fb = dm_plane_helper_prepare_fb, + .cleanup_fb = dm_plane_helper_cleanup_fb, + .atomic_check = dm_plane_atomic_check, +}; + +/* + * TODO: these are currently initialized to rgb formats only. + * For future use cases we should either initialize them dynamically based on + * plane capabilities, or initialize this array to all formats, so internal drm + * check will succeed, and let DC to implement proper check + */ +static const uint32_t rgb_formats[] = { + DRM_FORMAT_RGB888, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_XRGB2101010, + DRM_FORMAT_XBGR2101010, + DRM_FORMAT_ARGB2101010, + DRM_FORMAT_ABGR2101010, +}; + +static const uint32_t yuv_formats[] = { + DRM_FORMAT_NV12, + DRM_FORMAT_NV21, +}; + +static const u32 cursor_formats[] = { + DRM_FORMAT_ARGB8888 +}; + +static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm, + struct amdgpu_plane *aplane, + unsigned long possible_crtcs) +{ + int res = -EPERM; + + switch (aplane->base.type) { + case DRM_PLANE_TYPE_PRIMARY: + res = drm_universal_plane_init( + dm->adev->ddev, + &aplane->base, + possible_crtcs, + &dm_plane_funcs, + rgb_formats, + ARRAY_SIZE(rgb_formats), + NULL, aplane->base.type, NULL); + break; + case DRM_PLANE_TYPE_OVERLAY: + res = drm_universal_plane_init( + dm->adev->ddev, + &aplane->base, + possible_crtcs, + &dm_plane_funcs, + yuv_formats, + ARRAY_SIZE(yuv_formats), + NULL, aplane->base.type, NULL); + break; + case DRM_PLANE_TYPE_CURSOR: + res = drm_universal_plane_init( + dm->adev->ddev, + &aplane->base, + possible_crtcs, + &dm_plane_funcs, + cursor_formats, + ARRAY_SIZE(cursor_formats), + NULL, aplane->base.type, NULL); + break; + } + + drm_plane_helper_add(&aplane->base, &dm_plane_helper_funcs); + + /* Create (reset) the plane state */ + if (aplane->base.funcs->reset) + aplane->base.funcs->reset(&aplane->base); + + + return res; +} + +static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm, + struct drm_plane *plane, + uint32_t crtc_index) +{ + struct amdgpu_crtc *acrtc = NULL; + struct amdgpu_plane *cursor_plane; + + int res = -ENOMEM; + + cursor_plane = kzalloc(sizeof(*cursor_plane), GFP_KERNEL); + if (!cursor_plane) + goto fail; + + cursor_plane->base.type = DRM_PLANE_TYPE_CURSOR; + res = amdgpu_dm_plane_init(dm, cursor_plane, 0); + + acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL); + if (!acrtc) + goto fail; + + res = drm_crtc_init_with_planes( + dm->ddev, + &acrtc->base, + plane, + &cursor_plane->base, + &amdgpu_dm_crtc_funcs, NULL); + + if (res) + goto fail; + + drm_crtc_helper_add(&acrtc->base, &amdgpu_dm_crtc_helper_funcs); + + /* Create (reset) the plane state */ + if (acrtc->base.funcs->reset) + acrtc->base.funcs->reset(&acrtc->base); + + acrtc->max_cursor_width = dm->adev->dm.dc->caps.max_cursor_size; + acrtc->max_cursor_height = dm->adev->dm.dc->caps.max_cursor_size; + + acrtc->crtc_id = crtc_index; + acrtc->base.enabled = false; + + dm->adev->mode_info.crtcs[crtc_index] = acrtc; + drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES, + true, MAX_COLOR_LUT_ENTRIES); + drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES); + + return 0; + +fail: + kfree(acrtc); + kfree(cursor_plane); + return res; +} + + +static int to_drm_connector_type(enum signal_type st) +{ + switch (st) { + case SIGNAL_TYPE_HDMI_TYPE_A: + return DRM_MODE_CONNECTOR_HDMIA; + case SIGNAL_TYPE_EDP: + return DRM_MODE_CONNECTOR_eDP; + case SIGNAL_TYPE_RGB: + return DRM_MODE_CONNECTOR_VGA; + case SIGNAL_TYPE_DISPLAY_PORT: + case SIGNAL_TYPE_DISPLAY_PORT_MST: + return DRM_MODE_CONNECTOR_DisplayPort; + case SIGNAL_TYPE_DVI_DUAL_LINK: + case SIGNAL_TYPE_DVI_SINGLE_LINK: + return DRM_MODE_CONNECTOR_DVID; + case SIGNAL_TYPE_VIRTUAL: + return DRM_MODE_CONNECTOR_VIRTUAL; + + default: + return DRM_MODE_CONNECTOR_Unknown; + } +} + +static void amdgpu_dm_get_native_mode(struct drm_connector *connector) +{ + const struct drm_connector_helper_funcs *helper = + connector->helper_private; + struct drm_encoder *encoder; + struct amdgpu_encoder *amdgpu_encoder; + + encoder = helper->best_encoder(connector); + + if (encoder == NULL) + return; + + amdgpu_encoder = to_amdgpu_encoder(encoder); + + amdgpu_encoder->native_mode.clock = 0; + + if (!list_empty(&connector->probed_modes)) { + struct drm_display_mode *preferred_mode = NULL; + + list_for_each_entry(preferred_mode, + &connector->probed_modes, + head) { + if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) + amdgpu_encoder->native_mode = *preferred_mode; + + break; + } + + } +} + +static struct drm_display_mode * +amdgpu_dm_create_common_mode(struct drm_encoder *encoder, + char *name, + int hdisplay, int vdisplay) +{ + struct drm_device *dev = encoder->dev; + struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); + struct drm_display_mode *mode = NULL; + struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; + + mode = drm_mode_duplicate(dev, native_mode); + + if (mode == NULL) + return NULL; + + mode->hdisplay = hdisplay; + mode->vdisplay = vdisplay; + mode->type &= ~DRM_MODE_TYPE_PREFERRED; + strncpy(mode->name, name, DRM_DISPLAY_MODE_LEN); + + return mode; + +} + +static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder, + struct drm_connector *connector) +{ + struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); + struct drm_display_mode *mode = NULL; + struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + int i; + int n; + struct mode_size { + char name[DRM_DISPLAY_MODE_LEN]; + int w; + int h; + } common_modes[] = { + { "640x480", 640, 480}, + { "800x600", 800, 600}, + { "1024x768", 1024, 768}, + { "1280x720", 1280, 720}, + { "1280x800", 1280, 800}, + {"1280x1024", 1280, 1024}, + { "1440x900", 1440, 900}, + {"1680x1050", 1680, 1050}, + {"1600x1200", 1600, 1200}, + {"1920x1080", 1920, 1080}, + {"1920x1200", 1920, 1200} + }; + + n = ARRAY_SIZE(common_modes); + + for (i = 0; i < n; i++) { + struct drm_display_mode *curmode = NULL; + bool mode_existed = false; + + if (common_modes[i].w > native_mode->hdisplay || + common_modes[i].h > native_mode->vdisplay || + (common_modes[i].w == native_mode->hdisplay && + common_modes[i].h == native_mode->vdisplay)) + continue; + + list_for_each_entry(curmode, &connector->probed_modes, head) { + if (common_modes[i].w == curmode->hdisplay && + common_modes[i].h == curmode->vdisplay) { + mode_existed = true; + break; + } + } + + if (mode_existed) + continue; + + mode = amdgpu_dm_create_common_mode(encoder, + common_modes[i].name, common_modes[i].w, + common_modes[i].h); + if (!mode) + continue; + + drm_mode_probed_add(connector, mode); + amdgpu_dm_connector->num_modes++; + } +} + +static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, + struct edid *edid) +{ + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + + if (edid) { + /* empty probed_modes */ + INIT_LIST_HEAD(&connector->probed_modes); + amdgpu_dm_connector->num_modes = + drm_add_edid_modes(connector, edid); + + amdgpu_dm_get_native_mode(connector); + } else { + amdgpu_dm_connector->num_modes = 0; + } +} + +static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) +{ + const struct drm_connector_helper_funcs *helper = + connector->helper_private; + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + struct drm_encoder *encoder; + struct edid *edid = amdgpu_dm_connector->edid; + + encoder = helper->best_encoder(connector); + + if (!edid || !drm_edid_is_valid(edid)) { + drm_add_modes_noedid(connector, 640, 480); + } else { + amdgpu_dm_connector_ddc_get_modes(connector, edid); + amdgpu_dm_connector_add_common_modes(encoder, connector); + } + amdgpu_dm_fbc_init(connector); + + return amdgpu_dm_connector->num_modes; +} + +void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *aconnector, + int connector_type, + struct dc_link *link, + int link_index) +{ + struct amdgpu_device *adev = dm->ddev->dev_private; + + /* + * Some of the properties below require access to state, like bpc. + * Allocate some default initial connector state with our reset helper. + */ + if (aconnector->base.funcs->reset) + aconnector->base.funcs->reset(&aconnector->base); + + aconnector->connector_id = link_index; + aconnector->dc_link = link; + aconnector->base.interlace_allowed = false; + aconnector->base.doublescan_allowed = false; + aconnector->base.stereo_allowed = false; + aconnector->base.dpms = DRM_MODE_DPMS_OFF; + aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */ + mutex_init(&aconnector->hpd_lock); + + /* configure support HPD hot plug connector_>polled default value is 0 + * which means HPD hot plug not supported + */ + switch (connector_type) { + case DRM_MODE_CONNECTOR_HDMIA: + aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; + aconnector->base.ycbcr_420_allowed = + link->link_enc->features.ycbcr420_supported ? true : false; + break; + case DRM_MODE_CONNECTOR_DisplayPort: + aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; + aconnector->base.ycbcr_420_allowed = + link->link_enc->features.ycbcr420_supported ? true : false; + break; + case DRM_MODE_CONNECTOR_DVID: + aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; + break; + default: + break; + } + + drm_object_attach_property(&aconnector->base.base, + dm->ddev->mode_config.scaling_mode_property, + DRM_MODE_SCALE_NONE); + + drm_object_attach_property(&aconnector->base.base, + adev->mode_info.underscan_property, + UNDERSCAN_OFF); + drm_object_attach_property(&aconnector->base.base, + adev->mode_info.underscan_hborder_property, + 0); + drm_object_attach_property(&aconnector->base.base, + adev->mode_info.underscan_vborder_property, + 0); + drm_object_attach_property(&aconnector->base.base, + adev->mode_info.max_bpc_property, + 0); + +} + +static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg *msgs, int num) +{ + struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap); + struct ddc_service *ddc_service = i2c->ddc_service; + struct i2c_command cmd; + int i; + int result = -EIO; + + cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL); + + if (!cmd.payloads) + return result; + + cmd.number_of_payloads = num; + cmd.engine = I2C_COMMAND_ENGINE_DEFAULT; + cmd.speed = 100; + + for (i = 0; i < num; i++) { + cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD); + cmd.payloads[i].address = msgs[i].addr; + cmd.payloads[i].length = msgs[i].len; + cmd.payloads[i].data = msgs[i].buf; + } + + if (dal_i2caux_submit_i2c_command( + ddc_service->ctx->i2caux, + ddc_service->ddc_pin, + &cmd)) + result = num; + + kfree(cmd.payloads); + return result; +} + +static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm amdgpu_dm_i2c_algo = { + .master_xfer = amdgpu_dm_i2c_xfer, + .functionality = amdgpu_dm_i2c_func, +}; + +static struct amdgpu_i2c_adapter * +create_i2c(struct ddc_service *ddc_service, + int link_index, + int *res) +{ + struct amdgpu_device *adev = ddc_service->ctx->driver_context; + struct amdgpu_i2c_adapter *i2c; + + i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL); + if (!i2c) + return NULL; + i2c->base.owner = THIS_MODULE; + i2c->base.class = I2C_CLASS_DDC; + i2c->base.dev.parent = &adev->pdev->dev; + i2c->base.algo = &amdgpu_dm_i2c_algo; + snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index); + i2c_set_adapdata(&i2c->base, i2c); + i2c->ddc_service = ddc_service; + + return i2c; +} + + +/* Note: this function assumes that dc_link_detect() was called for the + * dc_link which will be represented by this aconnector. + */ +static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *aconnector, + uint32_t link_index, + struct amdgpu_encoder *aencoder) +{ + int res = 0; + int connector_type; + struct dc *dc = dm->dc; + struct dc_link *link = dc_get_link_at_index(dc, link_index); + struct amdgpu_i2c_adapter *i2c; + + link->priv = aconnector; + + DRM_DEBUG_DRIVER("%s()\n", __func__); + + i2c = create_i2c(link->ddc, link->link_index, &res); + if (!i2c) { + DRM_ERROR("Failed to create i2c adapter data\n"); + return -ENOMEM; + } + + aconnector->i2c = i2c; + res = i2c_add_adapter(&i2c->base); + + if (res) { + DRM_ERROR("Failed to register hw i2c %d\n", link->link_index); + goto out_free; + } + + connector_type = to_drm_connector_type(link->connector_signal); + + res = drm_connector_init( + dm->ddev, + &aconnector->base, + &amdgpu_dm_connector_funcs, + connector_type); + + if (res) { + DRM_ERROR("connector_init failed\n"); + aconnector->connector_id = -1; + goto out_free; + } + + drm_connector_helper_add( + &aconnector->base, + &amdgpu_dm_connector_helper_funcs); + + amdgpu_dm_connector_init_helper( + dm, + aconnector, + connector_type, + link, + link_index); + + drm_connector_attach_encoder( + &aconnector->base, &aencoder->base); + + drm_connector_register(&aconnector->base); +#if defined(CONFIG_DEBUG_FS) + res = connector_debugfs_init(aconnector); + if (res) { + DRM_ERROR("Failed to create debugfs for connector"); + goto out_free; + } +#endif + + if (connector_type == DRM_MODE_CONNECTOR_DisplayPort + || connector_type == DRM_MODE_CONNECTOR_eDP) + amdgpu_dm_initialize_dp_connector(dm, aconnector); + +out_free: + if (res) { + kfree(i2c); + aconnector->i2c = NULL; + } + return res; +} + +int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev) +{ + switch (adev->mode_info.num_crtc) { + case 1: + return 0x1; + case 2: + return 0x3; + case 3: + return 0x7; + case 4: + return 0xf; + case 5: + return 0x1f; + case 6: + default: + return 0x3f; + } +} + +static int amdgpu_dm_encoder_init(struct drm_device *dev, + struct amdgpu_encoder *aencoder, + uint32_t link_index) +{ + struct amdgpu_device *adev = dev->dev_private; + + int res = drm_encoder_init(dev, + &aencoder->base, + &amdgpu_dm_encoder_funcs, + DRM_MODE_ENCODER_TMDS, + NULL); + + aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); + + if (!res) + aencoder->encoder_id = link_index; + else + aencoder->encoder_id = -1; + + drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs); + + return res; +} + +static void manage_dm_interrupts(struct amdgpu_device *adev, + struct amdgpu_crtc *acrtc, + bool enable) +{ + /* + * this is not correct translation but will work as soon as VBLANK + * constant is the same as PFLIP + */ + int irq_type = + amdgpu_display_crtc_idx_to_irq_type( + adev, + acrtc->crtc_id); + + if (enable) { + drm_crtc_vblank_on(&acrtc->base); + amdgpu_irq_get( + adev, + &adev->pageflip_irq, + irq_type); + } else { + + amdgpu_irq_put( + adev, + &adev->pageflip_irq, + irq_type); + drm_crtc_vblank_off(&acrtc->base); + } +} + +static bool +is_scaling_state_different(const struct dm_connector_state *dm_state, + const struct dm_connector_state *old_dm_state) +{ + if (dm_state->scaling != old_dm_state->scaling) + return true; + if (!dm_state->underscan_enable && old_dm_state->underscan_enable) { + if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0) + return true; + } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) { + if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0) + return true; + } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder || + dm_state->underscan_vborder != old_dm_state->underscan_vborder) + return true; + return false; +} + +static void remove_stream(struct amdgpu_device *adev, + struct amdgpu_crtc *acrtc, + struct dc_stream_state *stream) +{ + /* this is the update mode case */ + if (adev->dm.freesync_module) + mod_freesync_remove_stream(adev->dm.freesync_module, stream); + + acrtc->otg_inst = -1; + acrtc->enabled = false; +} + +static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc, + struct dc_cursor_position *position) +{ + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + int x, y; + int xorigin = 0, yorigin = 0; + + if (!crtc || !plane->state->fb) { + position->enable = false; + position->x = 0; + position->y = 0; + return 0; + } + + if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) || + (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) { + DRM_ERROR("%s: bad cursor width or height %d x %d\n", + __func__, + plane->state->crtc_w, + plane->state->crtc_h); + return -EINVAL; + } + + x = plane->state->crtc_x; + y = plane->state->crtc_y; + /* avivo cursor are offset into the total surface */ + x += crtc->primary->state->src_x >> 16; + y += crtc->primary->state->src_y >> 16; + if (x < 0) { + xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1); + x = 0; + } + if (y < 0) { + yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1); + y = 0; + } + position->enable = true; + position->x = x; + position->y = y; + position->x_hotspot = xorigin; + position->y_hotspot = yorigin; + + return 0; +} + +static void handle_cursor_update(struct drm_plane *plane, + struct drm_plane_state *old_plane_state) +{ + struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb); + struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc; + struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL; + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + uint64_t address = afb ? afb->address : 0; + struct dc_cursor_position position; + struct dc_cursor_attributes attributes; + int ret; + + if (!plane->state->fb && !old_plane_state->fb) + return; + + DRM_DEBUG_DRIVER("%s: crtc_id=%d with size %d to %d\n", + __func__, + amdgpu_crtc->crtc_id, + plane->state->crtc_w, + plane->state->crtc_h); + + ret = get_cursor_position(plane, crtc, &position); + if (ret) + return; + + if (!position.enable) { + /* turn off cursor */ + if (crtc_state && crtc_state->stream) + dc_stream_set_cursor_position(crtc_state->stream, + &position); + return; + } + + amdgpu_crtc->cursor_width = plane->state->crtc_w; + amdgpu_crtc->cursor_height = plane->state->crtc_h; + + memset(&attributes, 0, sizeof(attributes)); + attributes.address.high_part = upper_32_bits(address); + attributes.address.low_part = lower_32_bits(address); + attributes.width = plane->state->crtc_w; + attributes.height = plane->state->crtc_h; + attributes.color_format = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA; + attributes.rotation_angle = 0; + attributes.attribute_flags.value = 0; + + attributes.pitch = attributes.width; + + if (crtc_state->stream) { + if (!dc_stream_set_cursor_attributes(crtc_state->stream, + &attributes)) + DRM_ERROR("DC failed to set cursor attributes\n"); + + if (!dc_stream_set_cursor_position(crtc_state->stream, + &position)) + DRM_ERROR("DC failed to set cursor position\n"); + } +} + +static void prepare_flip_isr(struct amdgpu_crtc *acrtc) +{ + + assert_spin_locked(&acrtc->base.dev->event_lock); + WARN_ON(acrtc->event); + + acrtc->event = acrtc->base.state->event; + + /* Set the flip status */ + acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED; + + /* Mark this event as consumed */ + acrtc->base.state->event = NULL; + + DRM_DEBUG_DRIVER("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n", + acrtc->crtc_id); +} + +/* + * Executes flip + * + * Waits on all BO's fences and for proper vblank count + */ +static void amdgpu_dm_do_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + uint32_t target, + struct dc_state *state) +{ + unsigned long flags; + uint32_t target_vblank; + int r, vpos, hpos; + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); + struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]); + struct amdgpu_device *adev = crtc->dev->dev_private; + bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; + struct dc_flip_addrs addr = { {0} }; + /* TODO eliminate or rename surface_update */ + struct dc_surface_update surface_updates[1] = { {0} }; + struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state); + + + /* Prepare wait for target vblank early - before the fence-waits */ + target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) + + amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id); + + /* TODO This might fail and hence better not used, wait + * explicitly on fences instead + * and in general should be called for + * blocking commit to as per framework helpers + */ + r = amdgpu_bo_reserve(abo, true); + if (unlikely(r != 0)) { + DRM_ERROR("failed to reserve buffer before flip\n"); + WARN_ON(1); + } + + /* Wait for all fences on this FB */ + WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false, + MAX_SCHEDULE_TIMEOUT) < 0); + + amdgpu_bo_unreserve(abo); + + /* Wait until we're out of the vertical blank period before the one + * targeted by the flip + */ + while ((acrtc->enabled && + (amdgpu_display_get_crtc_scanoutpos(adev->ddev, acrtc->crtc_id, + 0, &vpos, &hpos, NULL, + NULL, &crtc->hwmode) + & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && + (int)(target_vblank - + amdgpu_get_vblank_counter_kms(adev->ddev, acrtc->crtc_id)) > 0)) { + usleep_range(1000, 1100); + } + + /* Flip */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + + WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE); + WARN_ON(!acrtc_state->stream); + + addr.address.grph.addr.low_part = lower_32_bits(afb->address); + addr.address.grph.addr.high_part = upper_32_bits(afb->address); + addr.flip_immediate = async_flip; + + + if (acrtc->base.state->event) + prepare_flip_isr(acrtc); + + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + surface_updates->surface = dc_stream_get_status(acrtc_state->stream)->plane_states[0]; + surface_updates->flip_addr = &addr; + + dc_commit_updates_for_stream(adev->dm.dc, + surface_updates, + 1, + acrtc_state->stream, + NULL, + &surface_updates->surface, + state); + + DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x \n", + __func__, + addr.address.grph.addr.high_part, + addr.address.grph.addr.low_part); +} + +/* + * TODO this whole function needs to go + * + * dc_surface_update is needlessly complex. See if we can just replace this + * with a dc_plane_state and follow the atomic model a bit more closely here. + */ +static bool commit_planes_to_stream( + struct dc *dc, + struct dc_plane_state **plane_states, + uint8_t new_plane_count, + struct dm_crtc_state *dm_new_crtc_state, + struct dm_crtc_state *dm_old_crtc_state, + struct dc_state *state) +{ + /* no need to dynamically allocate this. it's pretty small */ + struct dc_surface_update updates[MAX_SURFACES]; + struct dc_flip_addrs *flip_addr; + struct dc_plane_info *plane_info; + struct dc_scaling_info *scaling_info; + int i; + struct dc_stream_state *dc_stream = dm_new_crtc_state->stream; + struct dc_stream_update *stream_update = + kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL); + + if (!stream_update) { + BREAK_TO_DEBUGGER(); + return false; + } + + flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs), + GFP_KERNEL); + plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info), + GFP_KERNEL); + scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info), + GFP_KERNEL); + + if (!flip_addr || !plane_info || !scaling_info) { + kfree(flip_addr); + kfree(plane_info); + kfree(scaling_info); + kfree(stream_update); + return false; + } + + memset(updates, 0, sizeof(updates)); + + stream_update->src = dc_stream->src; + stream_update->dst = dc_stream->dst; + stream_update->out_transfer_func = dc_stream->out_transfer_func; + + for (i = 0; i < new_plane_count; i++) { + updates[i].surface = plane_states[i]; + updates[i].gamma = + (struct dc_gamma *)plane_states[i]->gamma_correction; + updates[i].in_transfer_func = plane_states[i]->in_transfer_func; + flip_addr[i].address = plane_states[i]->address; + flip_addr[i].flip_immediate = plane_states[i]->flip_immediate; + plane_info[i].color_space = plane_states[i]->color_space; + plane_info[i].format = plane_states[i]->format; + plane_info[i].plane_size = plane_states[i]->plane_size; + plane_info[i].rotation = plane_states[i]->rotation; + plane_info[i].horizontal_mirror = plane_states[i]->horizontal_mirror; + plane_info[i].stereo_format = plane_states[i]->stereo_format; + plane_info[i].tiling_info = plane_states[i]->tiling_info; + plane_info[i].visible = plane_states[i]->visible; + plane_info[i].per_pixel_alpha = plane_states[i]->per_pixel_alpha; + plane_info[i].dcc = plane_states[i]->dcc; + scaling_info[i].scaling_quality = plane_states[i]->scaling_quality; + scaling_info[i].src_rect = plane_states[i]->src_rect; + scaling_info[i].dst_rect = plane_states[i]->dst_rect; + scaling_info[i].clip_rect = plane_states[i]->clip_rect; + + updates[i].flip_addr = &flip_addr[i]; + updates[i].plane_info = &plane_info[i]; + updates[i].scaling_info = &scaling_info[i]; + } + + dc_commit_updates_for_stream( + dc, + updates, + new_plane_count, + dc_stream, stream_update, plane_states, state); + + kfree(flip_addr); + kfree(plane_info); + kfree(scaling_info); + kfree(stream_update); + return true; +} + +static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, + struct drm_device *dev, + struct amdgpu_display_manager *dm, + struct drm_crtc *pcrtc, + bool *wait_for_vblank) +{ + uint32_t i; + struct drm_plane *plane; + struct drm_plane_state *old_plane_state, *new_plane_state; + struct dc_stream_state *dc_stream_attach; + struct dc_plane_state *plane_states_constructed[MAX_SURFACES]; + struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc); + struct drm_crtc_state *new_pcrtc_state = + drm_atomic_get_new_crtc_state(state, pcrtc); + struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state); + struct dm_crtc_state *dm_old_crtc_state = + to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + int planes_count = 0; + unsigned long flags; + + /* update planes when needed */ + for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { + struct drm_crtc *crtc = new_plane_state->crtc; + struct drm_crtc_state *new_crtc_state; + struct drm_framebuffer *fb = new_plane_state->fb; + bool pflip_needed; + struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state); + + if (plane->type == DRM_PLANE_TYPE_CURSOR) { + handle_cursor_update(plane, old_plane_state); + continue; + } + + if (!fb || !crtc || pcrtc != crtc) + continue; + + new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + if (!new_crtc_state->active) + continue; + + pflip_needed = !state->allow_modeset; + + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (acrtc_attach->pflip_status != AMDGPU_FLIP_NONE) { + DRM_ERROR("%s: acrtc %d, already busy\n", + __func__, + acrtc_attach->crtc_id); + /* In commit tail framework this cannot happen */ + WARN_ON(1); + } + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) { + WARN_ON(!dm_new_plane_state->dc_state); + + plane_states_constructed[planes_count] = dm_new_plane_state->dc_state; + + dc_stream_attach = acrtc_state->stream; + planes_count++; + + } else if (new_crtc_state->planes_changed) { + /* Assume even ONE crtc with immediate flip means + * entire can't wait for VBLANK + * TODO Check if it's correct + */ + *wait_for_vblank = + new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ? + false : true; + + /* TODO: Needs rework for multiplane flip */ + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + drm_crtc_vblank_get(crtc); + + amdgpu_dm_do_flip( + crtc, + fb, + (uint32_t)drm_crtc_vblank_count(crtc) + *wait_for_vblank, + dm_state->context); + } + + } + + if (planes_count) { + unsigned long flags; + + if (new_pcrtc_state->event) { + + drm_crtc_vblank_get(pcrtc); + + spin_lock_irqsave(&pcrtc->dev->event_lock, flags); + prepare_flip_isr(acrtc_attach); + spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); + } + + + if (false == commit_planes_to_stream(dm->dc, + plane_states_constructed, + planes_count, + acrtc_state, + dm_old_crtc_state, + dm_state->context)) + dm_error("%s: Failed to attach plane!\n", __func__); + } else { + /*TODO BUG Here should go disable planes on CRTC. */ + } +} + +/** + * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC + * @crtc_state: the DRM CRTC state + * @stream_state: the DC stream state. + * + * Copy the mirrored transient state flags from DRM, to DC. It is used to bring + * a dc_stream_state's flags in sync with a drm_crtc_state's flags. + */ +static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state, + struct dc_stream_state *stream_state) +{ + stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state); +} + +static int amdgpu_dm_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, + bool nonblock) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + struct amdgpu_device *adev = dev->dev_private; + int i; + + /* + * We evade vblanks and pflips on crtc that + * should be changed. We do it here to flush & disable + * interrupts before drm_swap_state is called in drm_atomic_helper_commit + * it will update crtc->dm_crtc_state->stream pointer which is used in + * the ISRs. + */ + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + + if (drm_atomic_crtc_needs_modeset(new_crtc_state) + && dm_old_crtc_state->stream) { + /* + * CRC capture was enabled but not disabled. + * Release the vblank reference. + */ + if (dm_new_crtc_state->crc_enabled) { + drm_crtc_vblank_put(crtc); + dm_new_crtc_state->crc_enabled = false; + } + + manage_dm_interrupts(adev, acrtc, false); + } + } + /* Add check here for SoC's that support hardware cursor plane, to + * unset legacy_cursor_update */ + + return drm_atomic_helper_commit(dev, state, nonblock); + + /*TODO Handle EINTR, reenable IRQ*/ +} + +static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) +{ + struct drm_device *dev = state->dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_display_manager *dm = &adev->dm; + struct dm_atomic_state *dm_state; + uint32_t i, j; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + unsigned long flags; + bool wait_for_vblank = true; + struct drm_connector *connector; + struct drm_connector_state *old_con_state, *new_con_state; + struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; + int crtc_disable_count = 0; + + drm_atomic_helper_update_legacy_modeset_state(dev, state); + + dm_state = to_dm_atomic_state(state); + + /* update changed items */ + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + + DRM_DEBUG_DRIVER( + "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, " + "planes_changed:%d, mode_changed:%d,active_changed:%d," + "connectors_changed:%d\n", + acrtc->crtc_id, + new_crtc_state->enable, + new_crtc_state->active, + new_crtc_state->planes_changed, + new_crtc_state->mode_changed, + new_crtc_state->active_changed, + new_crtc_state->connectors_changed); + + /* Copy all transient state flags into dc state */ + if (dm_new_crtc_state->stream) { + amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base, + dm_new_crtc_state->stream); + } + + /* handles headless hotplug case, updating new_state and + * aconnector as needed + */ + + if (modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) { + + DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc); + + if (!dm_new_crtc_state->stream) { + /* + * this could happen because of issues with + * userspace notifications delivery. + * In this case userspace tries to set mode on + * display which is disconnect in fact. + * dc_sink in NULL in this case on aconnector. + * We expect reset mode will come soon. + * + * This can also happen when unplug is done + * during resume sequence ended + * + * In this case, we want to pretend we still + * have a sink to keep the pipe running so that + * hw state is consistent with the sw state + */ + DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", + __func__, acrtc->base.base.id); + continue; + } + + if (dm_old_crtc_state->stream) + remove_stream(adev, acrtc, dm_old_crtc_state->stream); + + pm_runtime_get_noresume(dev->dev); + + acrtc->enabled = true; + acrtc->hw_mode = new_crtc_state->mode; + crtc->hwmode = new_crtc_state->mode; + } else if (modereset_required(new_crtc_state)) { + DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc); + + /* i.e. reset mode */ + if (dm_old_crtc_state->stream) + remove_stream(adev, acrtc, dm_old_crtc_state->stream); + } + } /* for_each_crtc_in_state() */ + + /* + * Add streams after required streams from new and replaced streams + * are removed from freesync module + */ + if (adev->dm.freesync_module) { + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + struct amdgpu_dm_connector *aconnector = NULL; + struct dm_connector_state *dm_new_con_state = NULL; + struct amdgpu_crtc *acrtc = NULL; + bool modeset_needed; + + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + modeset_needed = modeset_required( + new_crtc_state, + dm_new_crtc_state->stream, + dm_old_crtc_state->stream); + /* We add stream to freesync if: + * 1. Said stream is not null, and + * 2. A modeset is requested. This means that the + * stream was removed previously, and needs to be + * replaced. + */ + if (dm_new_crtc_state->stream == NULL || + !modeset_needed) + continue; + + acrtc = to_amdgpu_crtc(crtc); + + aconnector = + amdgpu_dm_find_first_crtc_matching_connector( + state, crtc); + if (!aconnector) { + DRM_DEBUG_DRIVER("Atomic commit: Failed to " + "find connector for acrtc " + "id:%d skipping freesync " + "init\n", + acrtc->crtc_id); + continue; + } + + mod_freesync_add_stream(adev->dm.freesync_module, + dm_new_crtc_state->stream, + &aconnector->caps); + new_con_state = drm_atomic_get_new_connector_state( + state, &aconnector->base); + dm_new_con_state = to_dm_connector_state(new_con_state); + + mod_freesync_set_user_enable(adev->dm.freesync_module, + &dm_new_crtc_state->stream, + 1, + &dm_new_con_state->user_enable); + } + } + + if (dm_state->context) { + dm_enable_per_frame_crtc_master_sync(dm_state->context); + WARN_ON(!dc_commit_state(dm->dc, dm_state->context)); + } + + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + + if (dm_new_crtc_state->stream != NULL) { + const struct dc_stream_status *status = + dc_stream_get_status(dm_new_crtc_state->stream); + + if (!status) + DC_ERR("got no status for stream %p on acrtc%p\n", dm_new_crtc_state->stream, acrtc); + else + acrtc->otg_inst = status->primary_otg_inst; + } + } + + /* Handle scaling and underscan changes*/ + for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { + struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); + struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); + struct dc_stream_status *status = NULL; + + if (acrtc) { + new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); + old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); + } + + /* Skip any modesets/resets */ + if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state)) + continue; + + /* Skip any thing not scale or underscan changes */ + if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state)) + continue; + + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + + update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode, + dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream); + + if (!dm_new_crtc_state->stream) + continue; + + status = dc_stream_get_status(dm_new_crtc_state->stream); + WARN_ON(!status); + WARN_ON(!status->plane_count); + + /*TODO How it works with MPO ?*/ + if (!commit_planes_to_stream( + dm->dc, + status->plane_states, + status->plane_count, + dm_new_crtc_state, + to_dm_crtc_state(old_crtc_state), + dm_state->context)) + dm_error("%s: Failed to update stream scaling!\n", __func__); + } + + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + /* + * loop to enable interrupts on newly arrived crtc + */ + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); + bool modeset_needed; + + if (old_crtc_state->active && !new_crtc_state->active) + crtc_disable_count++; + + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + modeset_needed = modeset_required( + new_crtc_state, + dm_new_crtc_state->stream, + dm_old_crtc_state->stream); + + if (dm_new_crtc_state->stream == NULL || !modeset_needed) + continue; + + if (adev->dm.freesync_module) + mod_freesync_notify_mode_change( + adev->dm.freesync_module, + &dm_new_crtc_state->stream, 1); + + manage_dm_interrupts(adev, acrtc, true); + } + + /* update planes when needed per crtc*/ + for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) { + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + + if (dm_new_crtc_state->stream) + amdgpu_dm_commit_planes(state, dev, dm, crtc, &wait_for_vblank); + } + + + /* + * send vblank event on all events not handled in flip and + * mark consumed event for drm_atomic_helper_commit_hw_done + */ + spin_lock_irqsave(&adev->ddev->event_lock, flags); + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { + + if (new_crtc_state->event) + drm_send_event_locked(dev, &new_crtc_state->event->base); + + new_crtc_state->event = NULL; + } + spin_unlock_irqrestore(&adev->ddev->event_lock, flags); + + + if (wait_for_vblank) + drm_atomic_helper_wait_for_flip_done(dev, state); + + /* + * FIXME: + * Delay hw_done() until flip_done() is signaled. This is to block + * another commit from freeing the CRTC state while we're still + * waiting on flip_done. + */ + drm_atomic_helper_commit_hw_done(state); + + drm_atomic_helper_cleanup_planes(dev, state); + + /* Finally, drop a runtime PM reference for each newly disabled CRTC, + * so we can put the GPU into runtime suspend if we're not driving any + * displays anymore + */ + for (i = 0; i < crtc_disable_count; i++) + pm_runtime_put_autosuspend(dev->dev); + pm_runtime_mark_last_busy(dev->dev); +} + + +static int dm_force_atomic_commit(struct drm_connector *connector) +{ + int ret = 0; + struct drm_device *ddev = connector->dev; + struct drm_atomic_state *state = drm_atomic_state_alloc(ddev); + struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); + struct drm_plane *plane = disconnected_acrtc->base.primary; + struct drm_connector_state *conn_state; + struct drm_crtc_state *crtc_state; + struct drm_plane_state *plane_state; + + if (!state) + return -ENOMEM; + + state->acquire_ctx = ddev->mode_config.acquire_ctx; + + /* Construct an atomic state to restore previous display setting */ + + /* + * Attach connectors to drm_atomic_state + */ + conn_state = drm_atomic_get_connector_state(state, connector); + + ret = PTR_ERR_OR_ZERO(conn_state); + if (ret) + goto out; + + /* Attach crtc to drm_atomic_state*/ + crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base); + + ret = PTR_ERR_OR_ZERO(crtc_state); + if (ret) + goto out; + + /* force a restore */ + crtc_state->mode_changed = true; + + /* Attach plane to drm_atomic_state */ + plane_state = drm_atomic_get_plane_state(state, plane); + + ret = PTR_ERR_OR_ZERO(plane_state); + if (ret) + goto out; + + /* Call commit internally with the state we just constructed */ + ret = drm_atomic_commit(state); + +out: + drm_atomic_state_put(state); + if (ret) + DRM_ERROR("Restoring old state failed with %i\n", ret); + + return ret; +} + +/* + * This functions handle all cases when set mode does not come upon hotplug. + * This include when the same display is unplugged then plugged back into the + * same port and when we are running without usermode desktop manager supprot + */ +void dm_restore_drm_connector_state(struct drm_device *dev, + struct drm_connector *connector) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct amdgpu_crtc *disconnected_acrtc; + struct dm_crtc_state *acrtc_state; + + if (!aconnector->dc_sink || !connector->state || !connector->encoder) + return; + + disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); + if (!disconnected_acrtc) + return; + + acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state); + if (!acrtc_state->stream) + return; + + /* + * If the previous sink is not released and different from the current, + * we deduce we are in a state where we can not rely on usermode call + * to turn on the display, so we do it here + */ + if (acrtc_state->stream->sink != aconnector->dc_sink) + dm_force_atomic_commit(&aconnector->base); +} + +/*` + * Grabs all modesetting locks to serialize against any blocking commits, + * Waits for completion of all non blocking commits. + */ +static int do_aquire_global_lock(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_commit *commit; + long ret; + + /* Adding all modeset locks to aquire_ctx will + * ensure that when the framework release it the + * extra locks we are locking here will get released to + */ + ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx); + if (ret) + return ret; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + spin_lock(&crtc->commit_lock); + commit = list_first_entry_or_null(&crtc->commit_list, + struct drm_crtc_commit, commit_entry); + if (commit) + drm_crtc_commit_get(commit); + spin_unlock(&crtc->commit_lock); + + if (!commit) + continue; + + /* Make sure all pending HW programming completed and + * page flips done + */ + ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ); + + if (ret > 0) + ret = wait_for_completion_interruptible_timeout( + &commit->flip_done, 10*HZ); + + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done " + "timed out\n", crtc->base.id, crtc->name); + + drm_crtc_commit_put(commit); + } + + return ret < 0 ? ret : 0; +} + +static int dm_update_crtcs_state(struct dc *dc, + struct drm_atomic_state *state, + bool enable, + bool *lock_and_validation_needed) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + int i; + struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + struct dc_stream_state *new_stream; + int ret = 0; + + /*TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set */ + /* update changed items */ + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + struct amdgpu_crtc *acrtc = NULL; + struct amdgpu_dm_connector *aconnector = NULL; + struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL; + struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL; + struct drm_plane_state *new_plane_state = NULL; + + new_stream = NULL; + + dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + acrtc = to_amdgpu_crtc(crtc); + + new_plane_state = drm_atomic_get_new_plane_state(state, new_crtc_state->crtc->primary); + + if (new_crtc_state->enable && new_plane_state && !new_plane_state->fb) { + ret = -EINVAL; + goto fail; + } + + aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc); + + /* TODO This hack should go away */ + if (aconnector && enable) { + // Make sure fake sink is created in plug-in scenario + drm_new_conn_state = drm_atomic_get_new_connector_state(state, + &aconnector->base); + drm_old_conn_state = drm_atomic_get_old_connector_state(state, + &aconnector->base); + + if (IS_ERR(drm_new_conn_state)) { + ret = PTR_ERR_OR_ZERO(drm_new_conn_state); + break; + } + + dm_new_conn_state = to_dm_connector_state(drm_new_conn_state); + dm_old_conn_state = to_dm_connector_state(drm_old_conn_state); + + new_stream = create_stream_for_sink(aconnector, + &new_crtc_state->mode, + dm_new_conn_state); + + /* + * we can have no stream on ACTION_SET if a display + * was disconnected during S3, in this case it not and + * error, the OS will be updated after detection, and + * do the right thing on next atomic commit + */ + + if (!new_stream) { + DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", + __func__, acrtc->base.base.id); + break; + } + + if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && + dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { + new_crtc_state->mode_changed = false; + DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d", + new_crtc_state->mode_changed); + } + } + + if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) + goto next_crtc; + + DRM_DEBUG_DRIVER( + "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, " + "planes_changed:%d, mode_changed:%d,active_changed:%d," + "connectors_changed:%d\n", + acrtc->crtc_id, + new_crtc_state->enable, + new_crtc_state->active, + new_crtc_state->planes_changed, + new_crtc_state->mode_changed, + new_crtc_state->active_changed, + new_crtc_state->connectors_changed); + + /* Remove stream for any changed/disabled CRTC */ + if (!enable) { + + if (!dm_old_crtc_state->stream) + goto next_crtc; + + DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n", + crtc->base.id); + + /* i.e. reset mode */ + if (dc_remove_stream_from_ctx( + dc, + dm_state->context, + dm_old_crtc_state->stream) != DC_OK) { + ret = -EINVAL; + goto fail; + } + + dc_stream_release(dm_old_crtc_state->stream); + dm_new_crtc_state->stream = NULL; + + *lock_and_validation_needed = true; + + } else {/* Add stream for any updated/enabled CRTC */ + /* + * Quick fix to prevent NULL pointer on new_stream when + * added MST connectors not found in existing crtc_state in the chained mode + * TODO: need to dig out the root cause of that + */ + if (!aconnector || (!aconnector->dc_sink && aconnector->mst_port)) + goto next_crtc; + + if (modereset_required(new_crtc_state)) + goto next_crtc; + + if (modeset_required(new_crtc_state, new_stream, + dm_old_crtc_state->stream)) { + + WARN_ON(dm_new_crtc_state->stream); + + dm_new_crtc_state->stream = new_stream; + + dc_stream_retain(new_stream); + + DRM_DEBUG_DRIVER("Enabling DRM crtc: %d\n", + crtc->base.id); + + if (dc_add_stream_to_ctx( + dc, + dm_state->context, + dm_new_crtc_state->stream) != DC_OK) { + ret = -EINVAL; + goto fail; + } + + *lock_and_validation_needed = true; + } + } + +next_crtc: + /* Release extra reference */ + if (new_stream) + dc_stream_release(new_stream); + + /* + * We want to do dc stream updates that do not require a + * full modeset below. + */ + if (!(enable && aconnector && new_crtc_state->enable && + new_crtc_state->active)) + continue; + /* + * Given above conditions, the dc state cannot be NULL because: + * 1. We're in the process of enabling CRTCs (just been added + * to the dc context, or already is on the context) + * 2. Has a valid connector attached, and + * 3. Is currently active and enabled. + * => The dc stream state currently exists. + */ + BUG_ON(dm_new_crtc_state->stream == NULL); + + /* Scaling or underscan settings */ + if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state)) + update_stream_scaling_settings( + &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream); + + /* + * Color management settings. We also update color properties + * when a modeset is needed, to ensure it gets reprogrammed. + */ + if (dm_new_crtc_state->base.color_mgmt_changed || + drm_atomic_crtc_needs_modeset(new_crtc_state)) { + ret = amdgpu_dm_set_regamma_lut(dm_new_crtc_state); + if (ret) + goto fail; + amdgpu_dm_set_ctm(dm_new_crtc_state); + } + } + + return ret; + +fail: + if (new_stream) + dc_stream_release(new_stream); + return ret; +} + +static int dm_update_planes_state(struct dc *dc, + struct drm_atomic_state *state, + bool enable, + bool *lock_and_validation_needed) +{ + struct drm_crtc *new_plane_crtc, *old_plane_crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + struct drm_plane *plane; + struct drm_plane_state *old_plane_state, *new_plane_state; + struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state; + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state; + int i ; + /* TODO return page_flip_needed() function */ + bool pflip_needed = !state->allow_modeset; + int ret = 0; + + + /* Add new planes, in reverse order as DC expectation */ + for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) { + new_plane_crtc = new_plane_state->crtc; + old_plane_crtc = old_plane_state->crtc; + dm_new_plane_state = to_dm_plane_state(new_plane_state); + dm_old_plane_state = to_dm_plane_state(old_plane_state); + + /*TODO Implement atomic check for cursor plane */ + if (plane->type == DRM_PLANE_TYPE_CURSOR) + continue; + + /* Remove any changed/removed planes */ + if (!enable) { + if (pflip_needed && + plane->type != DRM_PLANE_TYPE_OVERLAY) + continue; + + if (!old_plane_crtc) + continue; + + old_crtc_state = drm_atomic_get_old_crtc_state( + state, old_plane_crtc); + dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); + + if (!dm_old_crtc_state->stream) + continue; + + DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n", + plane->base.id, old_plane_crtc->base.id); + + if (!dc_remove_plane_from_context( + dc, + dm_old_crtc_state->stream, + dm_old_plane_state->dc_state, + dm_state->context)) { + + ret = EINVAL; + return ret; + } + + + dc_plane_state_release(dm_old_plane_state->dc_state); + dm_new_plane_state->dc_state = NULL; + + *lock_and_validation_needed = true; + + } else { /* Add new planes */ + struct dc_plane_state *dc_new_plane_state; + + if (drm_atomic_plane_disabling(plane->state, new_plane_state)) + continue; + + if (!new_plane_crtc) + continue; + + new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc); + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + + if (!dm_new_crtc_state->stream) + continue; + + if (pflip_needed && + plane->type != DRM_PLANE_TYPE_OVERLAY) + continue; + + WARN_ON(dm_new_plane_state->dc_state); + + dc_new_plane_state = dc_create_plane_state(dc); + if (!dc_new_plane_state) + return -ENOMEM; + + DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n", + plane->base.id, new_plane_crtc->base.id); + + ret = fill_plane_attributes( + new_plane_crtc->dev->dev_private, + dc_new_plane_state, + new_plane_state, + new_crtc_state); + if (ret) { + dc_plane_state_release(dc_new_plane_state); + return ret; + } + + /* + * Any atomic check errors that occur after this will + * not need a release. The plane state will be attached + * to the stream, and therefore part of the atomic + * state. It'll be released when the atomic state is + * cleaned. + */ + if (!dc_add_plane_to_context( + dc, + dm_new_crtc_state->stream, + dc_new_plane_state, + dm_state->context)) { + + dc_plane_state_release(dc_new_plane_state); + return -EINVAL; + } + + dm_new_plane_state->dc_state = dc_new_plane_state; + + /* Tell DC to do a full surface update every time there + * is a plane change. Inefficient, but works for now. + */ + dm_new_plane_state->dc_state->update_flags.bits.full_update = 1; + + *lock_and_validation_needed = true; + } + } + + + return ret; +} + +static int amdgpu_dm_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct amdgpu_device *adev = dev->dev_private; + struct dc *dc = adev->dm.dc; + struct dm_atomic_state *dm_state = to_dm_atomic_state(state); + struct drm_connector *connector; + struct drm_connector_state *old_con_state, *new_con_state; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state, *new_crtc_state; + int ret, i; + + /* + * This bool will be set for true for any modeset/reset + * or plane update which implies non fast surface update. + */ + bool lock_and_validation_needed = false; + + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + goto fail; + + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && + !new_crtc_state->color_mgmt_changed) + continue; + + if (!new_crtc_state->enable) + continue; + + ret = drm_atomic_add_affected_connectors(state, crtc); + if (ret) + return ret; + + ret = drm_atomic_add_affected_planes(state, crtc); + if (ret) + goto fail; + } + + dm_state->context = dc_create_state(); + ASSERT(dm_state->context); + dc_resource_state_copy_construct_current(dc, dm_state->context); + + /* Remove exiting planes if they are modified */ + ret = dm_update_planes_state(dc, state, false, &lock_and_validation_needed); + if (ret) { + goto fail; + } + + /* Disable all crtcs which require disable */ + ret = dm_update_crtcs_state(dc, state, false, &lock_and_validation_needed); + if (ret) { + goto fail; + } + + /* Enable all crtcs which require enable */ + ret = dm_update_crtcs_state(dc, state, true, &lock_and_validation_needed); + if (ret) { + goto fail; + } + + /* Add new/modified planes */ + ret = dm_update_planes_state(dc, state, true, &lock_and_validation_needed); + if (ret) { + goto fail; + } + + /* Run this here since we want to validate the streams we created */ + ret = drm_atomic_helper_check_planes(dev, state); + if (ret) + goto fail; + + /* Check scaling and underscan changes*/ + /*TODO Removed scaling changes validation due to inability to commit + * new stream into context w\o causing full reset. Need to + * decide how to handle. + */ + for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { + struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); + struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); + struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); + + /* Skip any modesets/resets */ + if (!acrtc || drm_atomic_crtc_needs_modeset( + drm_atomic_get_new_crtc_state(state, &acrtc->base))) + continue; + + /* Skip any thing not scale or underscan changes */ + if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state)) + continue; + + lock_and_validation_needed = true; + } + + /* + * For full updates case when + * removing/adding/updating streams on once CRTC while flipping + * on another CRTC, + * acquiring global lock will guarantee that any such full + * update commit + * will wait for completion of any outstanding flip using DRMs + * synchronization events. + */ + + if (lock_and_validation_needed) { + + ret = do_aquire_global_lock(dev, state); + if (ret) + goto fail; + + if (dc_validate_global_state(dc, dm_state->context) != DC_OK) { + ret = -EINVAL; + goto fail; + } + } + + /* Must be success */ + WARN_ON(ret); + return ret; + +fail: + if (ret == -EDEADLK) + DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n"); + else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS) + DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n"); + else + DRM_DEBUG_DRIVER("Atomic check failed with err: %d \n", ret); + + return ret; +} + +static bool is_dp_capable_without_timing_msa(struct dc *dc, + struct amdgpu_dm_connector *amdgpu_dm_connector) +{ + uint8_t dpcd_data; + bool capable = false; + + if (amdgpu_dm_connector->dc_link && + dm_helpers_dp_read_dpcd( + NULL, + amdgpu_dm_connector->dc_link, + DP_DOWN_STREAM_PORT_COUNT, + &dpcd_data, + sizeof(dpcd_data))) { + capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false; + } + + return capable; +} +void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector, + struct edid *edid) +{ + int i; + bool edid_check_required; + struct detailed_timing *timing; + struct detailed_non_pixel *data; + struct detailed_data_monitor_range *range; + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + struct dm_connector_state *dm_con_state; + + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + + if (!connector->state) { + DRM_ERROR("%s - Connector has no state", __func__); + return; + } + + dm_con_state = to_dm_connector_state(connector->state); + + edid_check_required = false; + if (!amdgpu_dm_connector->dc_sink) { + DRM_ERROR("dc_sink NULL, could not add free_sync module.\n"); + return; + } + if (!adev->dm.freesync_module) + return; + /* + * if edid non zero restrict freesync only for dp and edp + */ + if (edid) { + if (amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT + || amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_EDP) { + edid_check_required = is_dp_capable_without_timing_msa( + adev->dm.dc, + amdgpu_dm_connector); + } + } + dm_con_state->freesync_capable = false; + if (edid_check_required == true && (edid->version > 1 || + (edid->version == 1 && edid->revision > 1))) { + for (i = 0; i < 4; i++) { + + timing = &edid->detailed_timings[i]; + data = &timing->data.other_data; + range = &data->data.range; + /* + * Check if monitor has continuous frequency mode + */ + if (data->type != EDID_DETAIL_MONITOR_RANGE) + continue; + /* + * Check for flag range limits only. If flag == 1 then + * no additional timing information provided. + * Default GTF, GTF Secondary curve and CVT are not + * supported + */ + if (range->flags != 1) + continue; + + amdgpu_dm_connector->min_vfreq = range->min_vfreq; + amdgpu_dm_connector->max_vfreq = range->max_vfreq; + amdgpu_dm_connector->pixel_clock_mhz = + range->pixel_clock_mhz * 10; + break; + } + + if (amdgpu_dm_connector->max_vfreq - + amdgpu_dm_connector->min_vfreq > 10) { + amdgpu_dm_connector->caps.supported = true; + amdgpu_dm_connector->caps.min_refresh_in_micro_hz = + amdgpu_dm_connector->min_vfreq * 1000000; + amdgpu_dm_connector->caps.max_refresh_in_micro_hz = + amdgpu_dm_connector->max_vfreq * 1000000; + dm_con_state->freesync_capable = true; + } + } + + /* + * TODO figure out how to notify user-mode or DRM of freesync caps + * once we figure out how to deal with freesync in an upstreamable + * fashion + */ + +} + +void amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector) +{ + /* + * TODO fill in once we figure out how to deal with freesync in + * an upstreamable fashion + */ +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h new file mode 100644 index 000000000..74aedcffc --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -0,0 +1,280 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __AMDGPU_DM_H__ +#define __AMDGPU_DM_H__ + +#include <drm/drmP.h> +#include <drm/drm_atomic.h> + +/* + * This file contains the definition for amdgpu_display_manager + * and its API for amdgpu driver's use. + * This component provides all the display related functionality + * and this is the only component that calls DAL API. + * The API contained here intended for amdgpu driver use. + * The API that is called directly from KMS framework is located + * in amdgpu_dm_kms.h file + */ + +#define AMDGPU_DM_MAX_DISPLAY_INDEX 31 +/* +#include "include/amdgpu_dal_power_if.h" +#include "amdgpu_dm_irq.h" +*/ + +#include "irq_types.h" +#include "signal_types.h" + +/* Forward declarations */ +struct amdgpu_device; +struct drm_device; +struct amdgpu_dm_irq_handler_data; +struct dc; + +struct amdgpu_dm_prev_state { + struct drm_framebuffer *fb; + int32_t x; + int32_t y; + struct drm_display_mode mode; +}; + +struct common_irq_params { + struct amdgpu_device *adev; + enum dc_irq_source irq_src; +}; + +struct irq_list_head { + struct list_head head; + /* In case this interrupt needs post-processing, 'work' will be queued*/ + struct work_struct work; +}; + +struct dm_comressor_info { + void *cpu_addr; + struct amdgpu_bo *bo_ptr; + uint64_t gpu_addr; +}; + + +struct amdgpu_display_manager { + struct dal *dal; + struct dc *dc; + struct cgs_device *cgs_device; + + struct amdgpu_device *adev; /*AMD base driver*/ + struct drm_device *ddev; /*DRM base driver*/ + u16 display_indexes_num; + + struct amdgpu_dm_prev_state prev_state; + + /* + * 'irq_source_handler_table' holds a list of handlers + * per (DAL) IRQ source. + * + * Each IRQ source may need to be handled at different contexts. + * By 'context' we mean, for example: + * - The ISR context, which is the direct interrupt handler. + * - The 'deferred' context - this is the post-processing of the + * interrupt, but at a lower priority. + * + * Note that handlers are called in the same order as they were + * registered (FIFO). + */ + struct irq_list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER]; + struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER]; + + struct common_irq_params + pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1]; + + struct common_irq_params + vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1]; + + /* this spin lock synchronizes access to 'irq_handler_list_table' */ + spinlock_t irq_handler_list_table_lock; + + struct backlight_device *backlight_dev; + + const struct dc_link *backlight_link; + + struct work_struct mst_hotplug_work; + + struct mod_freesync *freesync_module; + + /** + * Caches device atomic state for suspend/resume + */ + struct drm_atomic_state *cached_state; + + struct dm_comressor_info compressor; +}; + +struct amdgpu_dm_connector { + + struct drm_connector base; + uint32_t connector_id; + + /* we need to mind the EDID between detect + and get modes due to analog/digital/tvencoder */ + struct edid *edid; + + /* shared with amdgpu */ + struct amdgpu_hpd hpd; + + /* number of modes generated from EDID at 'dc_sink' */ + int num_modes; + + /* The 'old' sink - before an HPD. + * The 'current' sink is in dc_link->sink. */ + struct dc_sink *dc_sink; + struct dc_link *dc_link; + struct dc_sink *dc_em_sink; + + /* DM only */ + struct drm_dp_mst_topology_mgr mst_mgr; + struct amdgpu_dm_dp_aux dm_dp_aux; + struct drm_dp_mst_port *port; + struct amdgpu_dm_connector *mst_port; + struct amdgpu_encoder *mst_encoder; + + /* TODO see if we can merge with ddc_bus or make a dm_connector */ + struct amdgpu_i2c_adapter *i2c; + + /* Monitor range limits */ + int min_vfreq ; + int max_vfreq ; + int pixel_clock_mhz; + + /*freesync caps*/ + struct mod_freesync_caps caps; + + struct mutex hpd_lock; + + bool fake_enable; +}; + +#define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base) + +extern const struct amdgpu_ip_block_version dm_ip_block; + +struct amdgpu_framebuffer; +struct amdgpu_display_manager; +struct dc_validation_set; +struct dc_plane_state; + +struct dm_plane_state { + struct drm_plane_state base; + struct dc_plane_state *dc_state; +}; + +struct dm_crtc_state { + struct drm_crtc_state base; + struct dc_stream_state *stream; + + int crc_skip_count; + bool crc_enabled; +}; + +#define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) + +struct dm_atomic_state { + struct drm_atomic_state base; + + struct dc_state *context; +}; + +#define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base) + +struct dm_connector_state { + struct drm_connector_state base; + + enum amdgpu_rmx_type scaling; + uint8_t underscan_vborder; + uint8_t underscan_hborder; + uint8_t max_bpc; + bool underscan_enable; + struct mod_freesync_user_enable user_enable; + bool freesync_capable; +}; + +#define to_dm_connector_state(x)\ + container_of((x), struct dm_connector_state, base) + +void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector); +struct drm_connector_state * +amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector); +int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, + struct drm_connector_state *state, + struct drm_property *property, + uint64_t val); + +int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, + const struct drm_connector_state *state, + struct drm_property *property, + uint64_t *val); + +int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev); + +void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *aconnector, + int connector_type, + struct dc_link *link, + int link_index); + +enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode); + +void dm_restore_drm_connector_state(struct drm_device *dev, + struct drm_connector *connector); + +void amdgpu_dm_add_sink_to_freesync_module(struct drm_connector *connector, + struct edid *edid); + +void +amdgpu_dm_remove_sink_from_freesync_module(struct drm_connector *connector); + +/* amdgpu_dm_crc.c */ +#ifdef CONFIG_DEBUG_FS +int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name, + size_t *values_cnt); +void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc); +#else +#define amdgpu_dm_crtc_set_crc_source NULL +#define amdgpu_dm_crtc_handle_crc_irq(x) +#endif + +#define MAX_COLOR_LUT_ENTRIES 4096 +/* Legacy gamm LUT users such as X doesn't like large LUT sizes */ +#define MAX_COLOR_LEGACY_LUT_ENTRIES 256 + +void amdgpu_dm_init_color_mod(void); +int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state, + struct dc_plane_state *dc_plane_state); +void amdgpu_dm_set_ctm(struct dm_crtc_state *crtc); +int amdgpu_dm_set_regamma_lut(struct dm_crtc_state *crtc); + +extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; + +#endif /* __AMDGPU_DM_H__ */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c new file mode 100644 index 000000000..326f6fb7e --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -0,0 +1,290 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "amdgpu_mode.h" +#include "amdgpu_dm.h" +#include "dc.h" +#include "modules/color/color_gamma.h" + +#define MAX_DRM_LUT_VALUE 0xFFFF + +/* + * Initialize the color module. + * + * We're not using the full color module, only certain components. + * Only call setup functions for components that we need. + */ +void amdgpu_dm_init_color_mod(void) +{ + setup_x_points_distribution(); +} + + +/* + * Return true if the given lut is a linear mapping of values, i.e. it acts + * like a bypass LUT. + * + * It is considered linear if the lut represents: + * f(a) = (0xFF00/MAX_COLOR_LUT_ENTRIES-1)a; for integer a in + * [0, MAX_COLOR_LUT_ENTRIES) + */ +static bool __is_lut_linear(struct drm_color_lut *lut, uint32_t size) +{ + int i; + uint32_t expected; + int delta; + + for (i = 0; i < size; i++) { + /* All color values should equal */ + if ((lut[i].red != lut[i].green) || (lut[i].green != lut[i].blue)) + return false; + + expected = i * MAX_DRM_LUT_VALUE / (size-1); + + /* Allow a +/-1 error. */ + delta = lut[i].red - expected; + if (delta < -1 || 1 < delta) + return false; + } + return true; +} + +/** + * Convert the drm_color_lut to dc_gamma. The conversion depends on the size + * of the lut - whether or not it's legacy. + */ +static void __drm_lut_to_dc_gamma(struct drm_color_lut *lut, + struct dc_gamma *gamma, + bool is_legacy) +{ + uint32_t r, g, b; + int i; + + if (is_legacy) { + for (i = 0; i < MAX_COLOR_LEGACY_LUT_ENTRIES; i++) { + r = drm_color_lut_extract(lut[i].red, 16); + g = drm_color_lut_extract(lut[i].green, 16); + b = drm_color_lut_extract(lut[i].blue, 16); + + gamma->entries.red[i] = dc_fixpt_from_int(r); + gamma->entries.green[i] = dc_fixpt_from_int(g); + gamma->entries.blue[i] = dc_fixpt_from_int(b); + } + return; + } + + /* else */ + for (i = 0; i < MAX_COLOR_LUT_ENTRIES; i++) { + r = drm_color_lut_extract(lut[i].red, 16); + g = drm_color_lut_extract(lut[i].green, 16); + b = drm_color_lut_extract(lut[i].blue, 16); + + gamma->entries.red[i] = dc_fixpt_from_fraction(r, MAX_DRM_LUT_VALUE); + gamma->entries.green[i] = dc_fixpt_from_fraction(g, MAX_DRM_LUT_VALUE); + gamma->entries.blue[i] = dc_fixpt_from_fraction(b, MAX_DRM_LUT_VALUE); + } +} + +/** + * amdgpu_dm_set_regamma_lut: Set regamma lut for the given CRTC. + * @crtc: amdgpu_dm crtc state + * + * Update the underlying dc_stream_state's output transfer function (OTF) in + * preparation for hardware commit. If no lut is specified by user, we default + * to SRGB. + * + * RETURNS: + * 0 on success, -ENOMEM if memory cannot be allocated to calculate the OTF. + */ +int amdgpu_dm_set_regamma_lut(struct dm_crtc_state *crtc) +{ + struct drm_property_blob *blob = crtc->base.gamma_lut; + struct dc_stream_state *stream = crtc->stream; + struct drm_color_lut *lut; + uint32_t lut_size; + struct dc_gamma *gamma; + enum dc_transfer_func_type old_type = stream->out_transfer_func->type; + + bool ret; + + if (!blob) { + /* By default, use the SRGB predefined curve.*/ + stream->out_transfer_func->type = TF_TYPE_PREDEFINED; + stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB; + return 0; + } + + lut = (struct drm_color_lut *)blob->data; + lut_size = blob->length / sizeof(struct drm_color_lut); + + gamma = dc_create_gamma(); + if (!gamma) + return -ENOMEM; + + gamma->num_entries = lut_size; + if (gamma->num_entries == MAX_COLOR_LEGACY_LUT_ENTRIES) + gamma->type = GAMMA_RGB_256; + else if (gamma->num_entries == MAX_COLOR_LUT_ENTRIES) + gamma->type = GAMMA_CS_TFM_1D; + else { + /* Invalid lut size */ + dc_gamma_release(&gamma); + return -EINVAL; + } + + /* Convert drm_lut into dc_gamma */ + __drm_lut_to_dc_gamma(lut, gamma, gamma->type == GAMMA_RGB_256); + + /* Call color module to translate into something DC understands. Namely + * a transfer function. + */ + stream->out_transfer_func->type = TF_TYPE_DISTRIBUTED_POINTS; + ret = mod_color_calculate_regamma_params(stream->out_transfer_func, + gamma, true); + dc_gamma_release(&gamma); + if (!ret) { + stream->out_transfer_func->type = old_type; + DRM_ERROR("Out of memory when calculating regamma params\n"); + return -ENOMEM; + } + + return 0; +} + +/** + * amdgpu_dm_set_ctm: Set the color transform matrix for the given CRTC. + * @crtc: amdgpu_dm crtc state + * + * Update the underlying dc_stream_state's gamut remap matrix in preparation + * for hardware commit. If no matrix is specified by user, gamut remap will be + * disabled. + */ +void amdgpu_dm_set_ctm(struct dm_crtc_state *crtc) +{ + + struct drm_property_blob *blob = crtc->base.ctm; + struct dc_stream_state *stream = crtc->stream; + struct drm_color_ctm *ctm; + int64_t val; + int i; + + if (!blob) { + stream->gamut_remap_matrix.enable_remap = false; + return; + } + + stream->gamut_remap_matrix.enable_remap = true; + ctm = (struct drm_color_ctm *)blob->data; + /* + * DRM gives a 3x3 matrix, but DC wants 3x4. Assuming we're operating + * with homogeneous coordinates, augment the matrix with 0's. + * + * The format provided is S31.32, using signed-magnitude representation. + * Our fixed31_32 is also S31.32, but is using 2's complement. We have + * to convert from signed-magnitude to 2's complement. + */ + for (i = 0; i < 12; i++) { + /* Skip 4th element */ + if (i % 4 == 3) { + stream->gamut_remap_matrix.matrix[i] = dc_fixpt_zero; + continue; + } + + /* gamut_remap_matrix[i] = ctm[i - floor(i/4)] */ + val = ctm->matrix[i - (i/4)]; + /* If negative, convert to 2's complement. */ + if (val & (1ULL << 63)) + val = -(val & ~(1ULL << 63)); + + stream->gamut_remap_matrix.matrix[i].value = val; + } +} + + +/** + * amdgpu_dm_set_degamma_lut: Set degamma lut for the given CRTC. + * @crtc: amdgpu_dm crtc state + * + * Update the underlying dc_stream_state's input transfer function (ITF) in + * preparation for hardware commit. If no lut is specified by user, we default + * to SRGB degamma. + * + * We support degamma bypass, predefined SRGB, and custom degamma + * + * RETURNS: + * 0 on success + * -EINVAL if crtc_state has a degamma_lut of invalid size + * -ENOMEM if gamma allocation fails + */ +int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state, + struct dc_plane_state *dc_plane_state) +{ + struct drm_property_blob *blob = crtc_state->degamma_lut; + struct drm_color_lut *lut; + uint32_t lut_size; + struct dc_gamma *gamma; + bool ret; + + if (!blob) { + /* Default to SRGB */ + dc_plane_state->in_transfer_func->type = TF_TYPE_PREDEFINED; + dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_SRGB; + return 0; + } + + lut = (struct drm_color_lut *)blob->data; + if (__is_lut_linear(lut, MAX_COLOR_LUT_ENTRIES)) { + dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS; + dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_LINEAR; + return 0; + } + + gamma = dc_create_gamma(); + if (!gamma) + return -ENOMEM; + + lut_size = blob->length / sizeof(struct drm_color_lut); + gamma->num_entries = lut_size; + if (gamma->num_entries == MAX_COLOR_LUT_ENTRIES) + gamma->type = GAMMA_CUSTOM; + else { + dc_gamma_release(&gamma); + return -EINVAL; + } + + __drm_lut_to_dc_gamma(lut, gamma, false); + + dc_plane_state->in_transfer_func->type = TF_TYPE_DISTRIBUTED_POINTS; + ret = mod_color_calculate_degamma_params(dc_plane_state->in_transfer_func, gamma, true); + dc_gamma_release(&gamma); + if (!ret) { + dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS; + DRM_ERROR("Out of memory when calculating degamma params\n"); + return -ENOMEM; + } + + return 0; +} + diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c new file mode 100644 index 000000000..36a0bed9a --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -0,0 +1,137 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <drm/drm_crtc.h> + +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "dc.h" + +enum amdgpu_dm_pipe_crc_source { + AMDGPU_DM_PIPE_CRC_SOURCE_NONE = 0, + AMDGPU_DM_PIPE_CRC_SOURCE_AUTO, + AMDGPU_DM_PIPE_CRC_SOURCE_MAX, + AMDGPU_DM_PIPE_CRC_SOURCE_INVALID = -1, +}; + +static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source) +{ + if (!source || !strcmp(source, "none")) + return AMDGPU_DM_PIPE_CRC_SOURCE_NONE; + if (!strcmp(source, "auto")) + return AMDGPU_DM_PIPE_CRC_SOURCE_AUTO; + + return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID; +} + +int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name, + size_t *values_cnt) +{ + struct dm_crtc_state *crtc_state = to_dm_crtc_state(crtc->state); + struct dc_stream_state *stream_state = crtc_state->stream; + bool enable; + + enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name); + + if (source < 0) { + DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n", + src_name, crtc->index); + return -EINVAL; + } + + if (!stream_state) { + DRM_ERROR("No stream state for CRTC%d\n", crtc->index); + return -EINVAL; + } + + enable = (source == AMDGPU_DM_PIPE_CRC_SOURCE_AUTO); + + if (!dc_stream_configure_crc(stream_state->ctx->dc, stream_state, + enable, enable)) + return -EINVAL; + + /* When enabling CRC, we should also disable dithering. */ + dc_stream_set_dither_option(stream_state, + enable ? DITHER_OPTION_TRUN8 + : DITHER_OPTION_DEFAULT); + + /* + * Reading the CRC requires the vblank interrupt handler to be + * enabled. Keep a reference until CRC capture stops. + */ + if (!crtc_state->crc_enabled && enable) + drm_crtc_vblank_get(crtc); + else if (crtc_state->crc_enabled && !enable) + drm_crtc_vblank_put(crtc); + + crtc_state->crc_enabled = enable; + + *values_cnt = 3; + /* Reset crc_skipped on dm state */ + crtc_state->crc_skip_count = 0; + return 0; +} + +/** + * amdgpu_dm_crtc_handle_crc_irq: Report to DRM the CRC on given CRTC. + * @crtc: DRM CRTC object. + * + * This function should be called at the end of a vblank, when the fb has been + * fully processed through the pipe. + */ +void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc) +{ + struct dm_crtc_state *crtc_state; + struct dc_stream_state *stream_state; + uint32_t crcs[3]; + + if (crtc == NULL) + return; + + crtc_state = to_dm_crtc_state(crtc->state); + stream_state = crtc_state->stream; + + /* Early return if CRC capture is not enabled. */ + if (!crtc_state->crc_enabled) + return; + + /* + * Since flipping and crc enablement happen asynchronously, we - more + * often than not - will be returning an 'uncooked' crc on first frame. + * Probably because hw isn't ready yet. For added security, skip the + * first two CRC values. + */ + if (crtc_state->crc_skip_count < 2) { + crtc_state->crc_skip_count += 1; + return; + } + + if (!dc_stream_get_crc(stream_state->ctx->dc, stream_state, + &crcs[0], &crcs[1], &crcs[2])) + return; + + drm_crtc_add_crc_entry(crtc, true, + drm_crtc_accurate_vblank_count(crtc), crcs); +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c new file mode 100644 index 000000000..dbfe56239 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -0,0 +1,722 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <linux/debugfs.h> + +#include "dc.h" +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_debugfs.h" + +/* function description + * get/ set DP configuration: lane_count, link_rate, spread_spectrum + * + * valid lane count value: 1, 2, 4 + * valid link rate value: + * 06h = 1.62Gbps per lane + * 0Ah = 2.7Gbps per lane + * 0Ch = 3.24Gbps per lane + * 14h = 5.4Gbps per lane + * 1Eh = 8.1Gbps per lane + * + * debugfs is located at /sys/kernel/debug/dri/0/DP-x/link_settings + * + * --- to get dp configuration + * + * cat link_settings + * + * It will list current, verified, reported, preferred dp configuration. + * current -- for current video mode + * verified --- maximum configuration which pass link training + * reported --- DP rx report caps (DPCD register offset 0, 1 2) + * preferred --- user force settings + * + * --- set (or force) dp configuration + * + * echo <lane_count> <link_rate> > link_settings + * + * for example, to force to 2 lane, 2.7GHz, + * echo 4 0xa > link_settings + * + * spread_spectrum could not be changed dynamically. + * + * in case invalid lane count, link rate are force, no hw programming will be + * done. please check link settings after force operation to see if HW get + * programming. + * + * cat link_settings + * + * check current and preferred settings. + * + */ +static ssize_t dp_link_settings_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + const uint32_t rd_buf_size = 100; + uint32_t result = 0; + uint8_t str_len = 0; + int r; + + if (*pos & 3 || size & 3) + return -EINVAL; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + if (!rd_buf) + return 0; + + rd_buf_ptr = rd_buf; + + str_len = strlen("Current: %d 0x%x %d "); + snprintf(rd_buf_ptr, str_len, "Current: %d 0x%x %d ", + link->cur_link_settings.lane_count, + link->cur_link_settings.link_rate, + link->cur_link_settings.link_spread); + rd_buf_ptr += str_len; + + str_len = strlen("Verified: %d 0x%x %d "); + snprintf(rd_buf_ptr, str_len, "Verified: %d 0x%x %d ", + link->verified_link_cap.lane_count, + link->verified_link_cap.link_rate, + link->verified_link_cap.link_spread); + rd_buf_ptr += str_len; + + str_len = strlen("Reported: %d 0x%x %d "); + snprintf(rd_buf_ptr, str_len, "Reported: %d 0x%x %d ", + link->reported_link_cap.lane_count, + link->reported_link_cap.link_rate, + link->reported_link_cap.link_spread); + rd_buf_ptr += str_len; + + str_len = strlen("Preferred: %d 0x%x %d "); + snprintf(rd_buf_ptr, str_len, "Preferred: %d 0x%x %d\n", + link->preferred_link_setting.lane_count, + link->preferred_link_setting.link_rate, + link->preferred_link_setting.link_spread); + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + struct dc *dc = (struct dc *)link->dc; + struct dc_link_settings prefer_link_settings; + char *wr_buf = NULL; + char *wr_buf_ptr = NULL; + const uint32_t wr_buf_size = 40; + int r; + int bytes_from_user; + char *sub_str; + /* 0: lane_count; 1: link_rate */ + uint8_t param_index = 0; + long param[2]; + const char delimiter[3] = {' ', '\n', '\0'}; + bool valid_input = false; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + if (!wr_buf) + return -EINVAL; + wr_buf_ptr = wr_buf; + + r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + + /* r is bytes not be copied */ + if (r >= wr_buf_size) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not read\n"); + return -EINVAL; + } + + bytes_from_user = wr_buf_size - r; + + while (isspace(*wr_buf_ptr)) + wr_buf_ptr++; + + while ((*wr_buf_ptr != '\0') && (param_index < 2)) { + + sub_str = strsep(&wr_buf_ptr, delimiter); + + r = kstrtol(sub_str, 16, ¶m[param_index]); + + if (r) + DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); + + param_index++; + while (isspace(*wr_buf_ptr)) + wr_buf_ptr++; + } + + switch (param[0]) { + case LANE_COUNT_ONE: + case LANE_COUNT_TWO: + case LANE_COUNT_FOUR: + valid_input = true; + break; + default: + break; + } + + switch (param[1]) { + case LINK_RATE_LOW: + case LINK_RATE_HIGH: + case LINK_RATE_RBR2: + case LINK_RATE_HIGH2: + case LINK_RATE_HIGH3: + valid_input = true; + break; + default: + break; + } + + if (!valid_input) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("Invalid Input value No HW will be programmed\n"); + return bytes_from_user; + } + + /* save user force lane_count, link_rate to preferred settings + * spread spectrum will not be changed + */ + prefer_link_settings.link_spread = link->cur_link_settings.link_spread; + prefer_link_settings.lane_count = param[0]; + prefer_link_settings.link_rate = param[1]; + + dc_link_set_preferred_link_settings(dc, &prefer_link_settings, link); + + kfree(wr_buf); + return bytes_from_user; +} + +/* function: get current DP PHY settings: voltage swing, pre-emphasis, + * post-cursor2 (defined by VESA DP specification) + * + * valid values + * voltage swing: 0,1,2,3 + * pre-emphasis : 0,1,2,3 + * post cursor2 : 0,1,2,3 + * + * + * how to use this debugfs + * + * debugfs is located at /sys/kernel/debug/dri/0/DP-x + * + * there will be directories, like DP-1, DP-2,DP-3, etc. for DP display + * + * To figure out which DP-x is the display for DP to be check, + * cd DP-x + * ls -ll + * There should be debugfs file, like link_settings, phy_settings. + * cat link_settings + * from lane_count, link_rate to figure which DP-x is for display to be worked + * on + * + * To get current DP PHY settings, + * cat phy_settings + * + * To change DP PHY settings, + * echo <voltage_swing> <pre-emphasis> <post_cursor2> > phy_settings + * for examle, to change voltage swing to 2, pre-emphasis to 3, post_cursor2 to + * 0, + * echo 2 3 0 > phy_settings + * + * To check if change be applied, get current phy settings by + * cat phy_settings + * + * In case invalid values are set by user, like + * echo 1 4 0 > phy_settings + * + * HW will NOT be programmed by these settings. + * cat phy_settings will show the previous valid settings. + */ +static ssize_t dp_phy_settings_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + char *rd_buf = NULL; + const uint32_t rd_buf_size = 20; + uint32_t result = 0; + int r; + + if (*pos & 3 || size & 3) + return -EINVAL; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + if (!rd_buf) + return -EINVAL; + + snprintf(rd_buf, rd_buf_size, " %d %d %d ", + link->cur_lane_setting.VOLTAGE_SWING, + link->cur_lane_setting.PRE_EMPHASIS, + link->cur_lane_setting.POST_CURSOR2); + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user((*(rd_buf + result)), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + struct dc *dc = (struct dc *)link->dc; + char *wr_buf = NULL; + char *wr_buf_ptr = NULL; + uint32_t wr_buf_size = 40; + int r; + int bytes_from_user; + char *sub_str; + uint8_t param_index = 0; + long param[3]; + const char delimiter[3] = {' ', '\n', '\0'}; + bool use_prefer_link_setting; + struct link_training_settings link_lane_settings; + + if (size == 0) + return 0; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + if (!wr_buf) + return 0; + wr_buf_ptr = wr_buf; + + r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + + /* r is bytes not be copied */ + if (r >= wr_buf_size) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return 0; + } + + bytes_from_user = wr_buf_size - r; + + while (isspace(*wr_buf_ptr)) + wr_buf_ptr++; + + while ((*wr_buf_ptr != '\0') && (param_index < 3)) { + + sub_str = strsep(&wr_buf_ptr, delimiter); + + r = kstrtol(sub_str, 16, ¶m[param_index]); + + if (r) + DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); + + param_index++; + while (isspace(*wr_buf_ptr)) + wr_buf_ptr++; + } + + if ((param[0] > VOLTAGE_SWING_MAX_LEVEL) || + (param[1] > PRE_EMPHASIS_MAX_LEVEL) || + (param[2] > POST_CURSOR2_MAX_LEVEL)) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("Invalid Input No HW will be programmed\n"); + return bytes_from_user; + } + + /* get link settings: lane count, link rate */ + use_prefer_link_setting = + ((link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN) && + (link->test_pattern_enabled)); + + memset(&link_lane_settings, 0, sizeof(link_lane_settings)); + + if (use_prefer_link_setting) { + link_lane_settings.link_settings.lane_count = + link->preferred_link_setting.lane_count; + link_lane_settings.link_settings.link_rate = + link->preferred_link_setting.link_rate; + link_lane_settings.link_settings.link_spread = + link->preferred_link_setting.link_spread; + } else { + link_lane_settings.link_settings.lane_count = + link->cur_link_settings.lane_count; + link_lane_settings.link_settings.link_rate = + link->cur_link_settings.link_rate; + link_lane_settings.link_settings.link_spread = + link->cur_link_settings.link_spread; + } + + /* apply phy settings from user */ + for (r = 0; r < link_lane_settings.link_settings.lane_count; r++) { + link_lane_settings.lane_settings[r].VOLTAGE_SWING = + (enum dc_voltage_swing) (param[0]); + link_lane_settings.lane_settings[r].PRE_EMPHASIS = + (enum dc_pre_emphasis) (param[1]); + link_lane_settings.lane_settings[r].POST_CURSOR2 = + (enum dc_post_cursor2) (param[2]); + } + + /* program ASIC registers and DPCD registers */ + dc_link_set_drive_settings(dc, &link_lane_settings, link); + + kfree(wr_buf); + return bytes_from_user; +} + +/* function description + * + * set PHY layer or Link layer test pattern + * PHY test pattern is used for PHY SI check. + * Link layer test will not affect PHY SI. + * + * Reset Test Pattern: + * 0 = DP_TEST_PATTERN_VIDEO_MODE + * + * PHY test pattern supported: + * 1 = DP_TEST_PATTERN_D102 + * 2 = DP_TEST_PATTERN_SYMBOL_ERROR + * 3 = DP_TEST_PATTERN_PRBS7 + * 4 = DP_TEST_PATTERN_80BIT_CUSTOM + * 5 = DP_TEST_PATTERN_CP2520_1 + * 6 = DP_TEST_PATTERN_CP2520_2 = DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE + * 7 = DP_TEST_PATTERN_CP2520_3 + * + * DP PHY Link Training Patterns + * 8 = DP_TEST_PATTERN_TRAINING_PATTERN1 + * 9 = DP_TEST_PATTERN_TRAINING_PATTERN2 + * a = DP_TEST_PATTERN_TRAINING_PATTERN3 + * b = DP_TEST_PATTERN_TRAINING_PATTERN4 + * + * DP Link Layer Test pattern + * c = DP_TEST_PATTERN_COLOR_SQUARES + * d = DP_TEST_PATTERN_COLOR_SQUARES_CEA + * e = DP_TEST_PATTERN_VERTICAL_BARS + * f = DP_TEST_PATTERN_HORIZONTAL_BARS + * 10= DP_TEST_PATTERN_COLOR_RAMP + * + * debugfs phy_test_pattern is located at /syskernel/debug/dri/0/DP-x + * + * --- set test pattern + * echo <test pattern #> > test_pattern + * + * If test pattern # is not supported, NO HW programming will be done. + * for DP_TEST_PATTERN_80BIT_CUSTOM, it needs extra 10 bytes of data + * for the user pattern. input 10 bytes data are separated by space + * + * echo 0x4 0x11 0x22 0x33 0x44 0x55 0x66 0x77 0x88 0x99 0xaa > test_pattern + * + * --- reset test pattern + * echo 0 > test_pattern + * + * --- HPD detection is disabled when set PHY test pattern + * + * when PHY test pattern (pattern # within [1,7]) is set, HPD pin of HW ASIC + * is disable. User could unplug DP display from DP connected and plug scope to + * check test pattern PHY SI. + * If there is need unplug scope and plug DP display back, do steps below: + * echo 0 > phy_test_pattern + * unplug scope + * plug DP display. + * + * "echo 0 > phy_test_pattern" will re-enable HPD pin again so that video sw + * driver could detect "unplug scope" and "plug DP display" + */ +static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *connector = file_inode(f)->i_private; + struct dc_link *link = connector->dc_link; + char *wr_buf = NULL; + char *wr_buf_ptr = NULL; + uint32_t wr_buf_size = 100; + uint32_t wr_buf_count = 0; + int r; + int bytes_from_user; + char *sub_str = NULL; + uint8_t param_index = 0; + uint8_t param_nums = 0; + long param[11] = {0x0}; + const char delimiter[3] = {' ', '\n', '\0'}; + enum dp_test_pattern test_pattern = DP_TEST_PATTERN_UNSUPPORTED; + bool disable_hpd = false; + bool valid_test_pattern = false; + /* init with defalut 80bit custom pattern */ + uint8_t custom_pattern[10] = { + 0x1f, 0x7c, 0xf0, 0xc1, 0x07, + 0x1f, 0x7c, 0xf0, 0xc1, 0x07 + }; + struct dc_link_settings prefer_link_settings = {LANE_COUNT_UNKNOWN, + LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED}; + struct dc_link_settings cur_link_settings = {LANE_COUNT_UNKNOWN, + LINK_RATE_UNKNOWN, LINK_SPREAD_DISABLED}; + struct link_training_settings link_training_settings; + int i; + + if (size == 0) + return 0; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + if (!wr_buf) + return 0; + wr_buf_ptr = wr_buf; + + r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + + /* r is bytes not be copied */ + if (r >= wr_buf_size) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return 0; + } + + bytes_from_user = wr_buf_size - r; + + /* check number of parameters. isspace could not differ space and \n */ + while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) { + /* skip space*/ + while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + if (wr_buf_count == wr_buf_size) + break; + + /* skip non-space*/ + while ((!isspace(*wr_buf_ptr)) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + param_nums++; + + if (wr_buf_count == wr_buf_size) + break; + } + + /* max 11 parameters */ + if (param_nums > 11) + param_nums = 11; + + wr_buf_ptr = wr_buf; /* reset buf pinter */ + wr_buf_count = 0; /* number of char already checked */ + + while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + while (param_index < param_nums) { + /* after strsep, wr_buf_ptr will be moved to after space */ + sub_str = strsep(&wr_buf_ptr, delimiter); + + r = kstrtol(sub_str, 16, ¶m[param_index]); + + if (r) + DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); + + param_index++; + } + + test_pattern = param[0]; + + switch (test_pattern) { + case DP_TEST_PATTERN_VIDEO_MODE: + case DP_TEST_PATTERN_COLOR_SQUARES: + case DP_TEST_PATTERN_COLOR_SQUARES_CEA: + case DP_TEST_PATTERN_VERTICAL_BARS: + case DP_TEST_PATTERN_HORIZONTAL_BARS: + case DP_TEST_PATTERN_COLOR_RAMP: + valid_test_pattern = true; + break; + + case DP_TEST_PATTERN_D102: + case DP_TEST_PATTERN_SYMBOL_ERROR: + case DP_TEST_PATTERN_PRBS7: + case DP_TEST_PATTERN_80BIT_CUSTOM: + case DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE: + case DP_TEST_PATTERN_TRAINING_PATTERN4: + disable_hpd = true; + valid_test_pattern = true; + break; + + default: + valid_test_pattern = false; + test_pattern = DP_TEST_PATTERN_UNSUPPORTED; + break; + } + + if (!valid_test_pattern) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("Invalid Test Pattern Parameters\n"); + return bytes_from_user; + } + + if (test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM) { + for (i = 0; i < 10; i++) { + if ((uint8_t) param[i + 1] != 0x0) + break; + } + + if (i < 10) { + /* not use default value */ + for (i = 0; i < 10; i++) + custom_pattern[i] = (uint8_t) param[i + 1]; + } + } + + /* Usage: set DP physical test pattern using debugfs with normal DP + * panel. Then plug out DP panel and connect a scope to measure + * For normal video mode and test pattern generated from CRCT, + * they are visibile to user. So do not disable HPD. + * Video Mode is also set to clear the test pattern, so enable HPD + * because it might have been disabled after a test pattern was set. + * AUX depends on HPD * sequence dependent, do not move! + */ + if (!disable_hpd) + dc_link_enable_hpd(link); + + prefer_link_settings.lane_count = link->verified_link_cap.lane_count; + prefer_link_settings.link_rate = link->verified_link_cap.link_rate; + prefer_link_settings.link_spread = link->verified_link_cap.link_spread; + + cur_link_settings.lane_count = link->cur_link_settings.lane_count; + cur_link_settings.link_rate = link->cur_link_settings.link_rate; + cur_link_settings.link_spread = link->cur_link_settings.link_spread; + + link_training_settings.link_settings = cur_link_settings; + + + if (test_pattern != DP_TEST_PATTERN_VIDEO_MODE) { + if (prefer_link_settings.lane_count != LANE_COUNT_UNKNOWN && + prefer_link_settings.link_rate != LINK_RATE_UNKNOWN && + (prefer_link_settings.lane_count != cur_link_settings.lane_count || + prefer_link_settings.link_rate != cur_link_settings.link_rate)) + link_training_settings.link_settings = prefer_link_settings; + } + + for (i = 0; i < (unsigned int)(link_training_settings.link_settings.lane_count); i++) + link_training_settings.lane_settings[i] = link->cur_lane_setting; + + dc_link_set_test_pattern( + link, + test_pattern, + &link_training_settings, + custom_pattern, + 10); + + /* Usage: Set DP physical test pattern using AMDDP with normal DP panel + * Then plug out DP panel and connect a scope to measure DP PHY signal. + * Need disable interrupt to avoid SW driver disable DP output. This is + * done after the test pattern is set. + */ + if (valid_test_pattern && disable_hpd) + dc_link_disable_hpd(link); + + kfree(wr_buf); + + return bytes_from_user; +} + +static const struct file_operations dp_link_settings_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_link_settings_read, + .write = dp_link_settings_write, + .llseek = default_llseek +}; + +static const struct file_operations dp_phy_settings_debugfs_fop = { + .owner = THIS_MODULE, + .read = dp_phy_settings_read, + .write = dp_phy_settings_write, + .llseek = default_llseek +}; + +static const struct file_operations dp_phy_test_pattern_fops = { + .owner = THIS_MODULE, + .write = dp_phy_test_pattern_debugfs_write, + .llseek = default_llseek +}; + +static const struct { + char *name; + const struct file_operations *fops; +} dp_debugfs_entries[] = { + {"link_settings", &dp_link_settings_debugfs_fops}, + {"phy_settings", &dp_phy_settings_debugfs_fop}, + {"test_pattern", &dp_phy_test_pattern_fops} +}; + +int connector_debugfs_init(struct amdgpu_dm_connector *connector) +{ + int i; + struct dentry *ent, *dir = connector->base.debugfs_entry; + + if (connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) { + for (i = 0; i < ARRAY_SIZE(dp_debugfs_entries); i++) { + ent = debugfs_create_file(dp_debugfs_entries[i].name, + 0644, + dir, + connector, + dp_debugfs_entries[i].fops); + if (IS_ERR(ent)) + return PTR_ERR(ent); + } + } + + return 0; +} + diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h new file mode 100644 index 000000000..d9ed1b2aa --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.h @@ -0,0 +1,34 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __AMDGPU_DM_DEBUGFS_H__ +#define __AMDGPU_DM_DEBUGFS_H__ + +#include "amdgpu.h" +#include "amdgpu_dm.h" + +int connector_debugfs_init(struct amdgpu_dm_connector *connector); + +#endif diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c new file mode 100644 index 000000000..d8c53ddc2 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -0,0 +1,551 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <linux/string.h> +#include <linux/acpi.h> +#include <linux/version.h> +#include <linux/i2c.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/amdgpu_drm.h> +#include <drm/drm_edid.h> + +#include "dm_services.h" +#include "amdgpu.h" +#include "dc.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" + +#include "dm_helpers.h" + +/* dm_helpers_parse_edid_caps + * + * Parse edid caps + * + * @edid: [in] pointer to edid + * edid_caps: [in] pointer to edid caps + * @return + * void + * */ +enum dc_edid_status dm_helpers_parse_edid_caps( + struct dc_context *ctx, + const struct dc_edid *edid, + struct dc_edid_caps *edid_caps) +{ + struct edid *edid_buf = (struct edid *) edid->raw_edid; + struct cea_sad *sads; + int sad_count = -1; + int sadb_count = -1; + int i = 0; + int j = 0; + uint8_t *sadb = NULL; + + enum dc_edid_status result = EDID_OK; + + if (!edid_caps || !edid) + return EDID_BAD_INPUT; + + if (!drm_edid_is_valid(edid_buf)) + result = EDID_BAD_CHECKSUM; + + edid_caps->manufacturer_id = (uint16_t) edid_buf->mfg_id[0] | + ((uint16_t) edid_buf->mfg_id[1])<<8; + edid_caps->product_id = (uint16_t) edid_buf->prod_code[0] | + ((uint16_t) edid_buf->prod_code[1])<<8; + edid_caps->serial_number = edid_buf->serial; + edid_caps->manufacture_week = edid_buf->mfg_week; + edid_caps->manufacture_year = edid_buf->mfg_year; + + /* One of the four detailed_timings stores the monitor name. It's + * stored in an array of length 13. */ + for (i = 0; i < 4; i++) { + if (edid_buf->detailed_timings[i].data.other_data.type == 0xfc) { + while (j < 13 && edid_buf->detailed_timings[i].data.other_data.data.str.str[j]) { + if (edid_buf->detailed_timings[i].data.other_data.data.str.str[j] == '\n') + break; + + edid_caps->display_name[j] = + edid_buf->detailed_timings[i].data.other_data.data.str.str[j]; + j++; + } + } + } + + edid_caps->edid_hdmi = drm_detect_hdmi_monitor( + (struct edid *) edid->raw_edid); + + sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads); + if (sad_count <= 0) { + DRM_INFO("SADs count is: %d, don't need to read it\n", + sad_count); + return result; + } + + edid_caps->audio_mode_count = sad_count < DC_MAX_AUDIO_DESC_COUNT ? sad_count : DC_MAX_AUDIO_DESC_COUNT; + for (i = 0; i < edid_caps->audio_mode_count; ++i) { + struct cea_sad *sad = &sads[i]; + + edid_caps->audio_modes[i].format_code = sad->format; + edid_caps->audio_modes[i].channel_count = sad->channels + 1; + edid_caps->audio_modes[i].sample_rate = sad->freq; + edid_caps->audio_modes[i].sample_size = sad->byte2; + } + + sadb_count = drm_edid_to_speaker_allocation((struct edid *) edid->raw_edid, &sadb); + + if (sadb_count < 0) { + DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sadb_count); + sadb_count = 0; + } + + if (sadb_count) + edid_caps->speaker_flags = sadb[0]; + else + edid_caps->speaker_flags = DEFAULT_SPEAKER_LOCATION; + + kfree(sads); + kfree(sadb); + + return result; +} + +static void get_payload_table( + struct amdgpu_dm_connector *aconnector, + struct dp_mst_stream_allocation_table *proposed_table) +{ + int i; + struct drm_dp_mst_topology_mgr *mst_mgr = + &aconnector->mst_port->mst_mgr; + + mutex_lock(&mst_mgr->payload_lock); + + proposed_table->stream_count = 0; + + /* number of active streams */ + for (i = 0; i < mst_mgr->max_payloads; i++) { + if (mst_mgr->payloads[i].num_slots == 0) + break; /* end of vcp_id table */ + + ASSERT(mst_mgr->payloads[i].payload_state != + DP_PAYLOAD_DELETE_LOCAL); + + if (mst_mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL || + mst_mgr->payloads[i].payload_state == + DP_PAYLOAD_REMOTE) { + + struct dp_mst_stream_allocation *sa = + &proposed_table->stream_allocations[ + proposed_table->stream_count]; + + sa->slot_count = mst_mgr->payloads[i].num_slots; + sa->vcp_id = mst_mgr->proposed_vcpis[i]->vcpi; + proposed_table->stream_count++; + } + } + + mutex_unlock(&mst_mgr->payload_lock); +} + +void dm_helpers_dp_update_branch_info( + struct dc_context *ctx, + const struct dc_link *link) +{} + +/* + * Writes payload allocation table in immediate downstream device. + */ +bool dm_helpers_dp_mst_write_payload_allocation_table( + struct dc_context *ctx, + const struct dc_stream_state *stream, + struct dp_mst_stream_allocation_table *proposed_table, + bool enable) +{ + struct amdgpu_dm_connector *aconnector; + struct drm_dp_mst_topology_mgr *mst_mgr; + struct drm_dp_mst_port *mst_port; + int slots = 0; + bool ret; + int clock; + int bpp = 0; + int pbn = 0; + + aconnector = stream->sink->priv; + + if (!aconnector || !aconnector->mst_port) + return false; + + mst_mgr = &aconnector->mst_port->mst_mgr; + + if (!mst_mgr->mst_state) + return false; + + mst_port = aconnector->port; + + if (enable) { + clock = stream->timing.pix_clk_khz; + + switch (stream->timing.display_color_depth) { + + case COLOR_DEPTH_666: + bpp = 6; + break; + case COLOR_DEPTH_888: + bpp = 8; + break; + case COLOR_DEPTH_101010: + bpp = 10; + break; + case COLOR_DEPTH_121212: + bpp = 12; + break; + case COLOR_DEPTH_141414: + bpp = 14; + break; + case COLOR_DEPTH_161616: + bpp = 16; + break; + default: + ASSERT(bpp != 0); + break; + } + + bpp = bpp * 3; + + /* TODO need to know link rate */ + + pbn = drm_dp_calc_pbn_mode(clock, bpp); + + slots = drm_dp_find_vcpi_slots(mst_mgr, pbn); + ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, slots); + + if (!ret) + return false; + + } else { + drm_dp_mst_reset_vcpi_slots(mst_mgr, mst_port); + } + + /* It's OK for this to fail */ + drm_dp_update_payload_part1(mst_mgr); + + /* mst_mgr->->payloads are VC payload notify MST branch using DPCD or + * AUX message. The sequence is slot 1-63 allocated sequence for each + * stream. AMD ASIC stream slot allocation should follow the same + * sequence. copy DRM MST allocation to dc */ + + get_payload_table(aconnector, proposed_table); + + return true; +} + + +/* + * Clear payload allocation table before enable MST DP link. + */ +void dm_helpers_dp_mst_clear_payload_allocation_table( + struct dc_context *ctx, + const struct dc_link *link) +{} + +/* + * Polls for ACT (allocation change trigger) handled and sends + * ALLOCATE_PAYLOAD message. + */ +bool dm_helpers_dp_mst_poll_for_allocation_change_trigger( + struct dc_context *ctx, + const struct dc_stream_state *stream) +{ + struct amdgpu_dm_connector *aconnector; + struct drm_dp_mst_topology_mgr *mst_mgr; + int ret; + + aconnector = stream->sink->priv; + + if (!aconnector || !aconnector->mst_port) + return false; + + mst_mgr = &aconnector->mst_port->mst_mgr; + + if (!mst_mgr->mst_state) + return false; + + ret = drm_dp_check_act_status(mst_mgr); + + if (ret) + return false; + + return true; +} + +bool dm_helpers_dp_mst_send_payload_allocation( + struct dc_context *ctx, + const struct dc_stream_state *stream, + bool enable) +{ + struct amdgpu_dm_connector *aconnector; + struct drm_dp_mst_topology_mgr *mst_mgr; + struct drm_dp_mst_port *mst_port; + + aconnector = stream->sink->priv; + + if (!aconnector || !aconnector->mst_port) + return false; + + mst_port = aconnector->port; + + mst_mgr = &aconnector->mst_port->mst_mgr; + + if (!mst_mgr->mst_state) + return false; + + /* It's OK for this to fail */ + drm_dp_update_payload_part2(mst_mgr); + + if (!enable) + drm_dp_mst_deallocate_vcpi(mst_mgr, mst_port); + + return true; +} + +void dm_dtn_log_begin(struct dc_context *ctx) +{} + +void dm_dtn_log_append_v(struct dc_context *ctx, + const char *pMsg, ...) +{} + +void dm_dtn_log_end(struct dc_context *ctx) +{} + +bool dm_helpers_dp_mst_start_top_mgr( + struct dc_context *ctx, + const struct dc_link *link, + bool boot) +{ + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + DRM_ERROR("Failed to found connector for link!"); + return false; + } + + if (boot) { + DRM_INFO("DM_MST: Differing MST start on aconnector: %p [id: %d]\n", + aconnector, aconnector->base.base.id); + return true; + } + + DRM_INFO("DM_MST: starting TM on aconnector: %p [id: %d]\n", + aconnector, aconnector->base.base.id); + + return (drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true) == 0); +} + +void dm_helpers_dp_mst_stop_top_mgr( + struct dc_context *ctx, + const struct dc_link *link) +{ + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + DRM_ERROR("Failed to found connector for link!"); + return; + } + + DRM_INFO("DM_MST: stopping TM on aconnector: %p [id: %d]\n", + aconnector, aconnector->base.base.id); + + if (aconnector->mst_mgr.mst_state == true) + drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, false); +} + +bool dm_helpers_dp_read_dpcd( + struct dc_context *ctx, + const struct dc_link *link, + uint32_t address, + uint8_t *data, + uint32_t size) +{ + + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + DRM_ERROR("Failed to found connector for link!"); + return false; + } + + return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address, + data, size) > 0; +} + +bool dm_helpers_dp_write_dpcd( + struct dc_context *ctx, + const struct dc_link *link, + uint32_t address, + const uint8_t *data, + uint32_t size) +{ + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + DRM_ERROR("Failed to found connector for link!"); + return false; + } + + return drm_dp_dpcd_write(&aconnector->dm_dp_aux.aux, + address, (uint8_t *)data, size) > 0; +} + +bool dm_helpers_submit_i2c( + struct dc_context *ctx, + const struct dc_link *link, + struct i2c_command *cmd) +{ + struct amdgpu_dm_connector *aconnector = link->priv; + struct i2c_msg *msgs; + int i = 0; + int num = cmd->number_of_payloads; + bool result; + + if (!aconnector) { + DRM_ERROR("Failed to found connector for link!"); + return false; + } + + msgs = kcalloc(num, sizeof(struct i2c_msg), GFP_KERNEL); + + if (!msgs) + return false; + + for (i = 0; i < num; i++) { + msgs[i].flags = cmd->payloads[i].write ? 0 : I2C_M_RD; + msgs[i].addr = cmd->payloads[i].address; + msgs[i].len = cmd->payloads[i].length; + msgs[i].buf = cmd->payloads[i].data; + } + + result = i2c_transfer(&aconnector->i2c->base, msgs, num) == num; + + kfree(msgs); + + return result; +} + +bool dm_helpers_is_dp_sink_present(struct dc_link *link) +{ + bool dp_sink_present; + struct amdgpu_dm_connector *aconnector = link->priv; + + if (!aconnector) { + BUG_ON("Failed to found connector for link!"); + return true; + } + + mutex_lock(&aconnector->dm_dp_aux.aux.hw_mutex); + dp_sink_present = dc_link_is_dp_sink_present(link); + mutex_unlock(&aconnector->dm_dp_aux.aux.hw_mutex); + return dp_sink_present; +} + +enum dc_edid_status dm_helpers_read_local_edid( + struct dc_context *ctx, + struct dc_link *link, + struct dc_sink *sink) +{ + struct amdgpu_dm_connector *aconnector = link->priv; + struct i2c_adapter *ddc; + int retry = 3; + enum dc_edid_status edid_status; + struct edid *edid; + + if (link->aux_mode) + ddc = &aconnector->dm_dp_aux.aux.ddc; + else + ddc = &aconnector->i2c->base; + + /* some dongles read edid incorrectly the first time, + * do check sum and retry to make sure read correct edid. + */ + do { + + edid = drm_get_edid(&aconnector->base, ddc); + + if (!edid) + return EDID_NO_RESPONSE; + + sink->dc_edid.length = EDID_LENGTH * (edid->extensions + 1); + memmove(sink->dc_edid.raw_edid, (uint8_t *)edid, sink->dc_edid.length); + + /* We don't need the original edid anymore */ + kfree(edid); + + edid_status = dm_helpers_parse_edid_caps( + ctx, + &sink->dc_edid, + &sink->edid_caps); + + } while (edid_status == EDID_BAD_CHECKSUM && --retry > 0); + + if (edid_status != EDID_OK) + DRM_ERROR("EDID err: %d, on connector: %s", + edid_status, + aconnector->base.name); + if (link->aux_mode) { + union test_request test_request = { {0} }; + union test_response test_response = { {0} }; + + dm_helpers_dp_read_dpcd(ctx, + link, + DP_TEST_REQUEST, + &test_request.raw, + sizeof(union test_request)); + + if (!test_request.bits.EDID_READ) + return edid_status; + + test_response.bits.EDID_CHECKSUM_WRITE = 1; + + dm_helpers_dp_write_dpcd(ctx, + link, + DP_TEST_EDID_CHECKSUM, + &sink->dc_edid.raw_edid[sink->dc_edid.length-1], + 1); + + dm_helpers_dp_write_dpcd(ctx, + link, + DP_TEST_RESPONSE, + &test_response.raw, + sizeof(test_response)); + + } + + return edid_status; +} + +void dm_set_dcn_clocks(struct dc_context *ctx, struct dc_clocks *clks) +{ + /* TODO: something */ +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c new file mode 100644 index 000000000..a910f0183 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -0,0 +1,684 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <drm/drmP.h> + +#include "dm_services_types.h" +#include "dc.h" + +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" + +/****************************************************************************** + * Private declarations. + *****************************************************************************/ + +struct handler_common_data { + struct list_head list; + interrupt_handler handler; + void *handler_arg; + + /* DM which this handler belongs to */ + struct amdgpu_display_manager *dm; +}; + +struct amdgpu_dm_irq_handler_data { + struct handler_common_data hcd; + /* DAL irq source which registered for this interrupt. */ + enum dc_irq_source irq_source; +}; + +#define DM_IRQ_TABLE_LOCK(adev, flags) \ + spin_lock_irqsave(&adev->dm.irq_handler_list_table_lock, flags) + +#define DM_IRQ_TABLE_UNLOCK(adev, flags) \ + spin_unlock_irqrestore(&adev->dm.irq_handler_list_table_lock, flags) + +/****************************************************************************** + * Private functions. + *****************************************************************************/ + +static void init_handler_common_data(struct handler_common_data *hcd, + void (*ih)(void *), + void *args, + struct amdgpu_display_manager *dm) +{ + hcd->handler = ih; + hcd->handler_arg = args; + hcd->dm = dm; +} + +/** + * dm_irq_work_func - Handle an IRQ outside of the interrupt handler proper. + * + * @work: work struct + */ +static void dm_irq_work_func(struct work_struct *work) +{ + struct list_head *entry; + struct irq_list_head *irq_list_head = + container_of(work, struct irq_list_head, work); + struct list_head *handler_list = &irq_list_head->head; + struct amdgpu_dm_irq_handler_data *handler_data; + + list_for_each(entry, handler_list) { + handler_data = + list_entry( + entry, + struct amdgpu_dm_irq_handler_data, + hcd.list); + + DRM_DEBUG_KMS("DM_IRQ: work_func: for dal_src=%d\n", + handler_data->irq_source); + + DRM_DEBUG_KMS("DM_IRQ: schedule_work: for dal_src=%d\n", + handler_data->irq_source); + + handler_data->hcd.handler(handler_data->hcd.handler_arg); + } + + /* Call a DAL subcomponent which registered for interrupt notification + * at INTERRUPT_LOW_IRQ_CONTEXT. + * (The most common use is HPD interrupt) */ +} + +/** + * Remove a handler and return a pointer to hander list from which the + * handler was removed. + */ +static struct list_head *remove_irq_handler(struct amdgpu_device *adev, + void *ih, + const struct dc_interrupt_params *int_params) +{ + struct list_head *hnd_list; + struct list_head *entry, *tmp; + struct amdgpu_dm_irq_handler_data *handler; + unsigned long irq_table_flags; + bool handler_removed = false; + enum dc_irq_source irq_source; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + irq_source = int_params->irq_source; + + switch (int_params->int_context) { + case INTERRUPT_HIGH_IRQ_CONTEXT: + hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source]; + break; + case INTERRUPT_LOW_IRQ_CONTEXT: + default: + hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head; + break; + } + + list_for_each_safe(entry, tmp, hnd_list) { + + handler = list_entry(entry, struct amdgpu_dm_irq_handler_data, + hcd.list); + + if (ih == handler) { + /* Found our handler. Remove it from the list. */ + list_del(&handler->hcd.list); + handler_removed = true; + break; + } + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + if (handler_removed == false) { + /* Not necessarily an error - caller may not + * know the context. */ + return NULL; + } + + kfree(handler); + + DRM_DEBUG_KMS( + "DM_IRQ: removed irq handler: %p for: dal_src=%d, irq context=%d\n", + ih, int_params->irq_source, int_params->int_context); + + return hnd_list; +} + +static bool +validate_irq_registration_params(struct dc_interrupt_params *int_params, + void (*ih)(void *)) +{ + if (NULL == int_params || NULL == ih) { + DRM_ERROR("DM_IRQ: invalid input!\n"); + return false; + } + + if (int_params->int_context >= INTERRUPT_CONTEXT_NUMBER) { + DRM_ERROR("DM_IRQ: invalid context: %d!\n", + int_params->int_context); + return false; + } + + if (!DAL_VALID_IRQ_SRC_NUM(int_params->irq_source)) { + DRM_ERROR("DM_IRQ: invalid irq_source: %d!\n", + int_params->irq_source); + return false; + } + + return true; +} + +static bool validate_irq_unregistration_params(enum dc_irq_source irq_source, + irq_handler_idx handler_idx) +{ + if (DAL_INVALID_IRQ_HANDLER_IDX == handler_idx) { + DRM_ERROR("DM_IRQ: invalid handler_idx==NULL!\n"); + return false; + } + + if (!DAL_VALID_IRQ_SRC_NUM(irq_source)) { + DRM_ERROR("DM_IRQ: invalid irq_source:%d!\n", irq_source); + return false; + } + + return true; +} +/****************************************************************************** + * Public functions. + * + * Note: caller is responsible for input validation. + *****************************************************************************/ + +void *amdgpu_dm_irq_register_interrupt(struct amdgpu_device *adev, + struct dc_interrupt_params *int_params, + void (*ih)(void *), + void *handler_args) +{ + struct list_head *hnd_list; + struct amdgpu_dm_irq_handler_data *handler_data; + unsigned long irq_table_flags; + enum dc_irq_source irq_source; + + if (false == validate_irq_registration_params(int_params, ih)) + return DAL_INVALID_IRQ_HANDLER_IDX; + + handler_data = kzalloc(sizeof(*handler_data), GFP_KERNEL); + if (!handler_data) { + DRM_ERROR("DM_IRQ: failed to allocate irq handler!\n"); + return DAL_INVALID_IRQ_HANDLER_IDX; + } + + memset(handler_data, 0, sizeof(*handler_data)); + + init_handler_common_data(&handler_data->hcd, ih, handler_args, + &adev->dm); + + irq_source = int_params->irq_source; + + handler_data->irq_source = irq_source; + + /* Lock the list, add the handler. */ + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + switch (int_params->int_context) { + case INTERRUPT_HIGH_IRQ_CONTEXT: + hnd_list = &adev->dm.irq_handler_list_high_tab[irq_source]; + break; + case INTERRUPT_LOW_IRQ_CONTEXT: + default: + hnd_list = &adev->dm.irq_handler_list_low_tab[irq_source].head; + break; + } + + list_add_tail(&handler_data->hcd.list, hnd_list); + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + /* This pointer will be stored by code which requested interrupt + * registration. + * The same pointer will be needed in order to unregister the + * interrupt. */ + + DRM_DEBUG_KMS( + "DM_IRQ: added irq handler: %p for: dal_src=%d, irq context=%d\n", + handler_data, + irq_source, + int_params->int_context); + + return handler_data; +} + +void amdgpu_dm_irq_unregister_interrupt(struct amdgpu_device *adev, + enum dc_irq_source irq_source, + void *ih) +{ + struct list_head *handler_list; + struct dc_interrupt_params int_params; + int i; + + if (false == validate_irq_unregistration_params(irq_source, ih)) + return; + + memset(&int_params, 0, sizeof(int_params)); + + int_params.irq_source = irq_source; + + for (i = 0; i < INTERRUPT_CONTEXT_NUMBER; i++) { + + int_params.int_context = i; + + handler_list = remove_irq_handler(adev, ih, &int_params); + + if (handler_list != NULL) + break; + } + + if (handler_list == NULL) { + /* If we got here, it means we searched all irq contexts + * for this irq source, but the handler was not found. */ + DRM_ERROR( + "DM_IRQ: failed to find irq handler:%p for irq_source:%d!\n", + ih, irq_source); + } +} + +int amdgpu_dm_irq_init(struct amdgpu_device *adev) +{ + int src; + struct irq_list_head *lh; + + DRM_DEBUG_KMS("DM_IRQ\n"); + + spin_lock_init(&adev->dm.irq_handler_list_table_lock); + + for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) { + /* low context handler list init */ + lh = &adev->dm.irq_handler_list_low_tab[src]; + INIT_LIST_HEAD(&lh->head); + INIT_WORK(&lh->work, dm_irq_work_func); + + /* high context handler init */ + INIT_LIST_HEAD(&adev->dm.irq_handler_list_high_tab[src]); + } + + return 0; +} + +/* DM IRQ and timer resource release */ +void amdgpu_dm_irq_fini(struct amdgpu_device *adev) +{ + int src; + struct irq_list_head *lh; + unsigned long irq_table_flags; + DRM_DEBUG_KMS("DM_IRQ: releasing resources.\n"); + for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) { + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + /* The handler was removed from the table, + * it means it is safe to flush all the 'work' + * (because no code can schedule a new one). */ + lh = &adev->dm.irq_handler_list_low_tab[src]; + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + flush_work(&lh->work); + } +} + +int amdgpu_dm_irq_suspend(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h; + struct list_head *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: suspend\n"); + + /** + * Disable HW interrupt for HPD and HPDRX only since FLIP and VBLANK + * will be disabled from manage_dm_interrupts on disable CRTC. + */ + for (src = DC_IRQ_SOURCE_HPD1; src <= DC_IRQ_SOURCE_HPD6RX; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, false); + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + flush_work(&adev->dm.irq_handler_list_low_tab[src].work); + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + return 0; +} + +int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h, *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: early resume\n"); + + /* re-enable short pulse interrupts HW interrupt */ + for (src = DC_IRQ_SOURCE_HPD1RX; src <= DC_IRQ_SOURCE_HPD6RX; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, true); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + return 0; +} + +int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev) +{ + int src; + struct list_head *hnd_list_h, *hnd_list_l; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + DRM_DEBUG_KMS("DM_IRQ: resume\n"); + + /** + * Renable HW interrupt for HPD and only since FLIP and VBLANK + * will be enabled from manage_dm_interrupts on enable CRTC. + */ + for (src = DC_IRQ_SOURCE_HPD1; src <= DC_IRQ_SOURCE_HPD6; src++) { + hnd_list_l = &adev->dm.irq_handler_list_low_tab[src].head; + hnd_list_h = &adev->dm.irq_handler_list_high_tab[src]; + if (!list_empty(hnd_list_l) || !list_empty(hnd_list_h)) + dc_interrupt_set(adev->dm.dc, src, true); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + return 0; +} + +/** + * amdgpu_dm_irq_schedule_work - schedule all work items registered for the + * "irq_source". + */ +static void amdgpu_dm_irq_schedule_work(struct amdgpu_device *adev, + enum dc_irq_source irq_source) +{ + unsigned long irq_table_flags; + struct work_struct *work = NULL; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + if (!list_empty(&adev->dm.irq_handler_list_low_tab[irq_source].head)) + work = &adev->dm.irq_handler_list_low_tab[irq_source].work; + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); + + if (work) { + if (!schedule_work(work)) + DRM_INFO("amdgpu_dm_irq_schedule_work FAILED src %d\n", + irq_source); + } + +} + +/** amdgpu_dm_irq_immediate_work + * Callback high irq work immediately, don't send to work queue + */ +static void amdgpu_dm_irq_immediate_work(struct amdgpu_device *adev, + enum dc_irq_source irq_source) +{ + struct amdgpu_dm_irq_handler_data *handler_data; + struct list_head *entry; + unsigned long irq_table_flags; + + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); + + list_for_each( + entry, + &adev->dm.irq_handler_list_high_tab[irq_source]) { + + handler_data = + list_entry( + entry, + struct amdgpu_dm_irq_handler_data, + hcd.list); + + /* Call a subcomponent which registered for immediate + * interrupt notification */ + handler_data->hcd.handler(handler_data->hcd.handler_arg); + } + + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); +} + +/* + * amdgpu_dm_irq_handler + * + * Generic IRQ handler, calls all registered high irq work immediately, and + * schedules work for low irq + */ +static int amdgpu_dm_irq_handler(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + + enum dc_irq_source src = + dc_interrupt_to_irq_source( + adev->dm.dc, + entry->src_id, + entry->src_data[0]); + + dc_interrupt_ack(adev->dm.dc, src); + + /* Call high irq work immediately */ + amdgpu_dm_irq_immediate_work(adev, src); + /*Schedule low_irq work */ + amdgpu_dm_irq_schedule_work(adev, src); + + return 0; +} + +static enum dc_irq_source amdgpu_dm_hpd_to_dal_irq_source(unsigned type) +{ + switch (type) { + case AMDGPU_HPD_1: + return DC_IRQ_SOURCE_HPD1; + case AMDGPU_HPD_2: + return DC_IRQ_SOURCE_HPD2; + case AMDGPU_HPD_3: + return DC_IRQ_SOURCE_HPD3; + case AMDGPU_HPD_4: + return DC_IRQ_SOURCE_HPD4; + case AMDGPU_HPD_5: + return DC_IRQ_SOURCE_HPD5; + case AMDGPU_HPD_6: + return DC_IRQ_SOURCE_HPD6; + default: + return DC_IRQ_SOURCE_INVALID; + } +} + +static int amdgpu_dm_set_hpd_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned type, + enum amdgpu_interrupt_state state) +{ + enum dc_irq_source src = amdgpu_dm_hpd_to_dal_irq_source(type); + bool st = (state == AMDGPU_IRQ_STATE_ENABLE); + + dc_interrupt_set(adev->dm.dc, src, st); + return 0; +} + +static inline int dm_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state, + const enum irq_type dal_irq_type, + const char *func) +{ + bool st; + enum dc_irq_source irq_source; + + struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc_id]; + + if (!acrtc) { + DRM_ERROR( + "%s: crtc is NULL at id :%d\n", + func, + crtc_id); + return 0; + } + + if (acrtc->otg_inst == -1) + return 0; + + irq_source = dal_irq_type + acrtc->otg_inst; + + st = (state == AMDGPU_IRQ_STATE_ENABLE); + + dc_interrupt_set(adev->dm.dc, irq_source, st); + return 0; +} + +static int amdgpu_dm_set_pflip_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state) +{ + return dm_irq_state( + adev, + source, + crtc_id, + state, + IRQ_TYPE_PFLIP, + __func__); +} + +static int amdgpu_dm_set_crtc_irq_state(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + unsigned crtc_id, + enum amdgpu_interrupt_state state) +{ + return dm_irq_state( + adev, + source, + crtc_id, + state, + IRQ_TYPE_VBLANK, + __func__); +} + +static const struct amdgpu_irq_src_funcs dm_crtc_irq_funcs = { + .set = amdgpu_dm_set_crtc_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +static const struct amdgpu_irq_src_funcs dm_pageflip_irq_funcs = { + .set = amdgpu_dm_set_pflip_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +static const struct amdgpu_irq_src_funcs dm_hpd_irq_funcs = { + .set = amdgpu_dm_set_hpd_irq_state, + .process = amdgpu_dm_irq_handler, +}; + +void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev) +{ + + adev->crtc_irq.num_types = adev->mode_info.num_crtc; + adev->crtc_irq.funcs = &dm_crtc_irq_funcs; + + adev->pageflip_irq.num_types = adev->mode_info.num_crtc; + adev->pageflip_irq.funcs = &dm_pageflip_irq_funcs; + + adev->hpd_irq.num_types = adev->mode_info.num_hpd; + adev->hpd_irq.funcs = &dm_hpd_irq_funcs; +} + +/* + * amdgpu_dm_hpd_init - hpd setup callback. + * + * @adev: amdgpu_device pointer + * + * Setup the hpd pins used by the card (evergreen+). + * Enable the pin, set the polarity, and enable the hpd interrupts. + */ +void amdgpu_dm_hpd_init(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev->ddev; + struct drm_connector *connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + + const struct dc_link *dc_link = amdgpu_dm_connector->dc_link; + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd, + true); + } + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd_rx, + true); + } + } +} + +/** + * amdgpu_dm_hpd_fini - hpd tear down callback. + * + * @adev: amdgpu_device pointer + * + * Tear down the hpd pins used by the card (evergreen+). + * Disable the hpd interrupts. + */ +void amdgpu_dm_hpd_fini(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev->ddev; + struct drm_connector *connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_dm_connector *amdgpu_dm_connector = + to_amdgpu_dm_connector(connector); + const struct dc_link *dc_link = amdgpu_dm_connector->dc_link; + + dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, false); + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + dc_interrupt_set(adev->dm.dc, + dc_link->irq_source_hpd_rx, + false); + } + } +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h new file mode 100644 index 000000000..82f8e761b --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.h @@ -0,0 +1,102 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef __AMDGPU_DM_IRQ_H__ +#define __AMDGPU_DM_IRQ_H__ + +#include "irq_types.h" /* DAL irq definitions */ + +/* + * Display Manager IRQ-related interfaces (for use by DAL). + */ + +/** + * amdgpu_dm_irq_init - Initialize internal structures of 'amdgpu_dm_irq'. + * + * This function should be called exactly once - during DM initialization. + * + * Returns: + * 0 - success + * non-zero - error + */ +int amdgpu_dm_irq_init(struct amdgpu_device *adev); + +/** + * amdgpu_dm_irq_fini - deallocate internal structures of 'amdgpu_dm_irq'. + * + * This function should be called exactly once - during DM destruction. + * + */ +void amdgpu_dm_irq_fini(struct amdgpu_device *adev); + +/** + * amdgpu_dm_irq_register_interrupt - register irq handler for Display block. + * + * @adev: AMD DRM device + * @int_params: parameters for the irq + * @ih: pointer to the irq hander function + * @handler_args: arguments which will be passed to ih + * + * Returns: + * IRQ Handler Index on success. + * NULL on failure. + * + * Cannot be called from an interrupt handler. + */ +void *amdgpu_dm_irq_register_interrupt(struct amdgpu_device *adev, + struct dc_interrupt_params *int_params, + void (*ih)(void *), + void *handler_args); + +/** + * amdgpu_dm_irq_unregister_interrupt - unregister handler which was registered + * by amdgpu_dm_irq_register_interrupt(). + * + * @adev: AMD DRM device. + * @ih_index: irq handler index which was returned by + * amdgpu_dm_irq_register_interrupt + */ +void amdgpu_dm_irq_unregister_interrupt(struct amdgpu_device *adev, + enum dc_irq_source irq_source, + void *ih_index); + +void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev); + +void amdgpu_dm_hpd_init(struct amdgpu_device *adev); +void amdgpu_dm_hpd_fini(struct amdgpu_device *adev); + +/** + * amdgpu_dm_irq_suspend - disable ASIC interrupt during suspend. + * + */ +int amdgpu_dm_irq_suspend(struct amdgpu_device *adev); + +/** + * amdgpu_dm_irq_resume_early - enable HPDRX ASIC interrupts during resume. + * amdgpu_dm_irq_resume - enable ASIC interrupt during resume. + * + */ +int amdgpu_dm_irq_resume_early(struct amdgpu_device *adev); +int amdgpu_dm_irq_resume_late(struct amdgpu_device *adev); + +#endif /* __AMDGPU_DM_IRQ_H__ */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c new file mode 100644 index 000000000..ad9561853 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -0,0 +1,477 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <linux/version.h> +#include <drm/drm_atomic_helper.h> +#include "dm_services.h" +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_mst_types.h" + +#include "dc.h" +#include "dm_helpers.h" + +#include "dc_link_ddc.h" + +/* #define TRACE_DPCD */ + +#ifdef TRACE_DPCD +#define SIDE_BAND_MSG(address) (address >= DP_SIDEBAND_MSG_DOWN_REQ_BASE && address < DP_SINK_COUNT_ESI) + +static inline char *side_band_msg_type_to_str(uint32_t address) +{ + static char str[10] = {0}; + + if (address < DP_SIDEBAND_MSG_UP_REP_BASE) + strcpy(str, "DOWN_REQ"); + else if (address < DP_SIDEBAND_MSG_DOWN_REP_BASE) + strcpy(str, "UP_REP"); + else if (address < DP_SIDEBAND_MSG_UP_REQ_BASE) + strcpy(str, "DOWN_REP"); + else + strcpy(str, "UP_REQ"); + + return str; +} + +static void log_dpcd(uint8_t type, + uint32_t address, + uint8_t *data, + uint32_t size, + bool res) +{ + DRM_DEBUG_KMS("Op: %s, addr: %04x, SideBand Msg: %s, Op res: %s\n", + (type == DP_AUX_NATIVE_READ) || + (type == DP_AUX_I2C_READ) ? + "Read" : "Write", + address, + SIDE_BAND_MSG(address) ? + side_band_msg_type_to_str(address) : "Nop", + res ? "OK" : "Fail"); + + if (res) { + print_hex_dump(KERN_INFO, "Body: ", DUMP_PREFIX_NONE, 16, 1, data, size, false); + } +} +#endif + +static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, + struct drm_dp_aux_msg *msg) +{ + ssize_t result = 0; + enum i2caux_transaction_action action; + enum aux_transaction_type type; + + if (WARN_ON(msg->size > 16)) + return -E2BIG; + + switch (msg->request & ~DP_AUX_I2C_MOT) { + case DP_AUX_NATIVE_READ: + type = AUX_TRANSACTION_TYPE_DP; + action = I2CAUX_TRANSACTION_ACTION_DP_READ; + + result = dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service, + msg->address, + &msg->reply, + msg->buffer, + msg->size, + type, + action); + break; + case DP_AUX_NATIVE_WRITE: + type = AUX_TRANSACTION_TYPE_DP; + action = I2CAUX_TRANSACTION_ACTION_DP_WRITE; + + dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service, + msg->address, + &msg->reply, + msg->buffer, + msg->size, + type, + action); + result = msg->size; + break; + case DP_AUX_I2C_READ: + type = AUX_TRANSACTION_TYPE_I2C; + if (msg->request & DP_AUX_I2C_MOT) + action = I2CAUX_TRANSACTION_ACTION_I2C_READ_MOT; + else + action = I2CAUX_TRANSACTION_ACTION_I2C_READ; + + result = dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service, + msg->address, + &msg->reply, + msg->buffer, + msg->size, + type, + action); + break; + case DP_AUX_I2C_WRITE: + type = AUX_TRANSACTION_TYPE_I2C; + if (msg->request & DP_AUX_I2C_MOT) + action = I2CAUX_TRANSACTION_ACTION_I2C_WRITE_MOT; + else + action = I2CAUX_TRANSACTION_ACTION_I2C_WRITE; + + dc_link_aux_transfer(TO_DM_AUX(aux)->ddc_service, + msg->address, + &msg->reply, + msg->buffer, + msg->size, + type, + action); + result = msg->size; + break; + default: + return -EINVAL; + } + +#ifdef TRACE_DPCD + log_dpcd(msg->request, + msg->address, + msg->buffer, + msg->size, + r == DDC_RESULT_SUCESSFULL); +#endif + + if (result < 0) /* DC doesn't know about kernel error codes */ + result = -EIO; + + return result; +} + +static enum drm_connector_status +dm_dp_mst_detect(struct drm_connector *connector, bool force) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct amdgpu_dm_connector *master = aconnector->mst_port; + + enum drm_connector_status status = + drm_dp_mst_detect_port( + connector, + &master->mst_mgr, + aconnector->port); + + return status; +} + +static void +dm_dp_mst_connector_destroy(struct drm_connector *connector) +{ + struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); + struct amdgpu_encoder *amdgpu_encoder = amdgpu_dm_connector->mst_encoder; + + if (amdgpu_dm_connector->edid) { + kfree(amdgpu_dm_connector->edid); + amdgpu_dm_connector->edid = NULL; + } + + drm_encoder_cleanup(&amdgpu_encoder->base); + kfree(amdgpu_encoder); + drm_connector_cleanup(connector); + kfree(amdgpu_dm_connector); +} + +static const struct drm_connector_funcs dm_dp_mst_connector_funcs = { + .detect = dm_dp_mst_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = dm_dp_mst_connector_destroy, + .reset = amdgpu_dm_connector_funcs_reset, + .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, + .atomic_set_property = amdgpu_dm_connector_atomic_set_property, + .atomic_get_property = amdgpu_dm_connector_atomic_get_property +}; + +void dm_dp_mst_dc_sink_create(struct drm_connector *connector) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct dc_sink *dc_sink; + struct dc_sink_init_data init_params = { + .link = aconnector->dc_link, + .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; + + /* FIXME none of this is safe. we shouldn't touch aconnector here in + * atomic_check + */ + + /* + * TODO: Need to further figure out why ddc.algo is NULL while MST port exists + */ + if (!aconnector->port || !aconnector->port->aux.ddc.algo) + return; + + ASSERT(aconnector->edid); + + dc_sink = dc_link_add_remote_sink( + aconnector->dc_link, + (uint8_t *)aconnector->edid, + (aconnector->edid->extensions + 1) * EDID_LENGTH, + &init_params); + + dc_sink->priv = aconnector; + aconnector->dc_sink = dc_sink; + + amdgpu_dm_add_sink_to_freesync_module( + connector, aconnector->edid); +} + +static int dm_dp_mst_get_modes(struct drm_connector *connector) +{ + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + int ret = 0; + + if (!aconnector) + return drm_add_edid_modes(connector, NULL); + + if (!aconnector->edid) { + struct edid *edid; + edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port); + + if (!edid) { + drm_connector_update_edid_property( + &aconnector->base, + NULL); + return ret; + } + + aconnector->edid = edid; + } + + if (!aconnector->dc_sink) { + struct dc_sink *dc_sink; + struct dc_sink_init_data init_params = { + .link = aconnector->dc_link, + .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; + dc_sink = dc_link_add_remote_sink( + aconnector->dc_link, + (uint8_t *)aconnector->edid, + (aconnector->edid->extensions + 1) * EDID_LENGTH, + &init_params); + + dc_sink->priv = aconnector; + aconnector->dc_sink = dc_sink; + + if (aconnector->dc_sink) + amdgpu_dm_add_sink_to_freesync_module( + connector, aconnector->edid); + } + + drm_connector_update_edid_property( + &aconnector->base, aconnector->edid); + + ret = drm_add_edid_modes(connector, aconnector->edid); + + return ret; +} + +static struct drm_encoder *dm_mst_best_encoder(struct drm_connector *connector) +{ + struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); + + return &amdgpu_dm_connector->mst_encoder->base; +} + +static const struct drm_connector_helper_funcs dm_dp_mst_connector_helper_funcs = { + .get_modes = dm_dp_mst_get_modes, + .mode_valid = amdgpu_dm_connector_mode_valid, + .best_encoder = dm_mst_best_encoder, +}; + +static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { + .destroy = amdgpu_dm_encoder_destroy, +}; + +static struct amdgpu_encoder * +dm_dp_create_fake_mst_encoder(struct amdgpu_dm_connector *connector) +{ + struct drm_device *dev = connector->base.dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_encoder *amdgpu_encoder; + struct drm_encoder *encoder; + + amdgpu_encoder = kzalloc(sizeof(*amdgpu_encoder), GFP_KERNEL); + if (!amdgpu_encoder) + return NULL; + + encoder = &amdgpu_encoder->base; + encoder->possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); + + drm_encoder_init( + dev, + &amdgpu_encoder->base, + &amdgpu_dm_encoder_funcs, + DRM_MODE_ENCODER_DPMST, + NULL); + + drm_encoder_helper_add(encoder, &amdgpu_dm_encoder_helper_funcs); + + return amdgpu_encoder; +} + +static struct drm_connector * +dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port, + const char *pathprop) +{ + struct amdgpu_dm_connector *master = container_of(mgr, struct amdgpu_dm_connector, mst_mgr); + struct drm_device *dev = master->base.dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_dm_connector *aconnector; + struct drm_connector *connector; + + aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL); + if (!aconnector) + return NULL; + + connector = &aconnector->base; + aconnector->port = port; + aconnector->mst_port = master; + + if (drm_connector_init( + dev, + connector, + &dm_dp_mst_connector_funcs, + DRM_MODE_CONNECTOR_DisplayPort)) { + kfree(aconnector); + return NULL; + } + drm_connector_helper_add(connector, &dm_dp_mst_connector_helper_funcs); + + amdgpu_dm_connector_init_helper( + &adev->dm, + aconnector, + DRM_MODE_CONNECTOR_DisplayPort, + master->dc_link, + master->connector_id); + + aconnector->mst_encoder = dm_dp_create_fake_mst_encoder(master); + drm_connector_attach_encoder(&aconnector->base, + &aconnector->mst_encoder->base); + + drm_object_attach_property( + &connector->base, + dev->mode_config.path_property, + 0); + drm_object_attach_property( + &connector->base, + dev->mode_config.tile_property, + 0); + + drm_connector_set_path_property(connector, pathprop); + + /* + * Initialize connector state before adding the connectror to drm and + * framebuffer lists + */ + amdgpu_dm_connector_funcs_reset(connector); + + DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n", + aconnector, connector->base.id, aconnector->mst_port); + + DRM_DEBUG_KMS(":%d\n", connector->base.id); + + return connector; +} + +static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, + struct drm_connector *connector) +{ + struct amdgpu_dm_connector *master = container_of(mgr, struct amdgpu_dm_connector, mst_mgr); + struct drm_device *dev = master->base.dev; + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + + DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n", + aconnector, connector->base.id, aconnector->mst_port); + + aconnector->port = NULL; + if (aconnector->dc_sink) { + amdgpu_dm_remove_sink_from_freesync_module(connector); + dc_link_remove_remote_sink(aconnector->dc_link, aconnector->dc_sink); + dc_sink_release(aconnector->dc_sink); + aconnector->dc_sink = NULL; + aconnector->dc_link->cur_link_settings.lane_count = 0; + } + + drm_connector_unregister(connector); + if (adev->mode_info.rfbdev) + drm_fb_helper_remove_one_connector(&adev->mode_info.rfbdev->helper, connector); + drm_connector_put(connector); +} + +static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) +{ + struct amdgpu_dm_connector *master = container_of(mgr, struct amdgpu_dm_connector, mst_mgr); + struct drm_device *dev = master->base.dev; + + drm_kms_helper_hotplug_event(dev); +} + +static void dm_dp_mst_register_connector(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct amdgpu_device *adev = dev->dev_private; + + if (adev->mode_info.rfbdev) + drm_fb_helper_add_one_connector(&adev->mode_info.rfbdev->helper, connector); + else + DRM_ERROR("adev->mode_info.rfbdev is NULL\n"); + + drm_connector_register(connector); +} + +static const struct drm_dp_mst_topology_cbs dm_mst_cbs = { + .add_connector = dm_dp_add_mst_connector, + .destroy_connector = dm_dp_destroy_mst_connector, + .hotplug = dm_dp_mst_hotplug, + .register_connector = dm_dp_mst_register_connector +}; + +void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *aconnector) +{ + aconnector->dm_dp_aux.aux.name = "dmdc"; + aconnector->dm_dp_aux.aux.dev = dm->adev->dev; + aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer; + aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc; + + drm_dp_aux_register(&aconnector->dm_dp_aux.aux); + aconnector->mst_mgr.cbs = &dm_mst_cbs; + drm_dp_mst_topology_mgr_init( + &aconnector->mst_mgr, + dm->adev->ddev, + &aconnector->dm_dp_aux.aux, + 16, + 4, + aconnector->connector_id); +} + diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h new file mode 100644 index 000000000..8cf51da26 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h @@ -0,0 +1,36 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __DAL_AMDGPU_DM_MST_TYPES_H__ +#define __DAL_AMDGPU_DM_MST_TYPES_H__ + +struct amdgpu_display_manager; +struct amdgpu_dm_connector; + +void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, + struct amdgpu_dm_connector *aconnector); +void dm_dp_mst_dc_sink_create(struct drm_connector *connector); + +#endif diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c new file mode 100644 index 000000000..4ba0003a9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c @@ -0,0 +1,570 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + */ +#include <linux/string.h> +#include <linux/acpi.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/amdgpu_drm.h> +#include "dm_services.h" +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" +#include "amdgpu_pm.h" +#include "dm_pp_smu.h" + + +bool dm_pp_apply_display_requirements( + const struct dc_context *ctx, + const struct dm_pp_display_configuration *pp_display_cfg) +{ + struct amdgpu_device *adev = ctx->driver_context; + int i; + + if (adev->pm.dpm_enabled) { + + memset(&adev->pm.pm_display_cfg, 0, + sizeof(adev->pm.pm_display_cfg)); + + adev->pm.pm_display_cfg.cpu_cc6_disable = + pp_display_cfg->cpu_cc6_disable; + + adev->pm.pm_display_cfg.cpu_pstate_disable = + pp_display_cfg->cpu_pstate_disable; + + adev->pm.pm_display_cfg.cpu_pstate_separation_time = + pp_display_cfg->cpu_pstate_separation_time; + + adev->pm.pm_display_cfg.nb_pstate_switch_disable = + pp_display_cfg->nb_pstate_switch_disable; + + adev->pm.pm_display_cfg.num_display = + pp_display_cfg->display_count; + adev->pm.pm_display_cfg.num_path_including_non_display = + pp_display_cfg->display_count; + + adev->pm.pm_display_cfg.min_core_set_clock = + pp_display_cfg->min_engine_clock_khz/10; + adev->pm.pm_display_cfg.min_core_set_clock_in_sr = + pp_display_cfg->min_engine_clock_deep_sleep_khz/10; + adev->pm.pm_display_cfg.min_mem_set_clock = + pp_display_cfg->min_memory_clock_khz/10; + + adev->pm.pm_display_cfg.min_dcef_deep_sleep_set_clk = + pp_display_cfg->min_engine_clock_deep_sleep_khz/10; + adev->pm.pm_display_cfg.min_dcef_set_clk = + pp_display_cfg->min_dcfclock_khz/10; + + adev->pm.pm_display_cfg.multi_monitor_in_sync = + pp_display_cfg->all_displays_in_sync; + adev->pm.pm_display_cfg.min_vblank_time = + pp_display_cfg->avail_mclk_switch_time_us; + + adev->pm.pm_display_cfg.display_clk = + pp_display_cfg->disp_clk_khz/10; + + adev->pm.pm_display_cfg.dce_tolerable_mclk_in_active_latency = + pp_display_cfg->avail_mclk_switch_time_in_disp_active_us; + + adev->pm.pm_display_cfg.crtc_index = pp_display_cfg->crtc_index; + adev->pm.pm_display_cfg.line_time_in_us = + pp_display_cfg->line_time_in_us; + + adev->pm.pm_display_cfg.vrefresh = pp_display_cfg->disp_configs[0].v_refresh; + adev->pm.pm_display_cfg.crossfire_display_index = -1; + adev->pm.pm_display_cfg.min_bus_bandwidth = 0; + + for (i = 0; i < pp_display_cfg->display_count; i++) { + const struct dm_pp_single_disp_config *dc_cfg = + &pp_display_cfg->disp_configs[i]; + adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1; + } + + /* TODO: complete implementation of + * pp_display_configuration_change(). + * Follow example of: + * PHM_StoreDALConfigurationData - powerplay\hwmgr\hardwaremanager.c + * PP_IRI_DisplayConfigurationChange - powerplay\eventmgr\iri.c */ + if (adev->powerplay.pp_funcs->display_configuration_change) + adev->powerplay.pp_funcs->display_configuration_change( + adev->powerplay.pp_handle, + &adev->pm.pm_display_cfg); + + /* TODO: replace by a separate call to 'apply display cfg'? */ + amdgpu_pm_compute_clocks(adev); + } + + return true; +} + +static void get_default_clock_levels( + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels *clks) +{ + uint32_t disp_clks_in_khz[6] = { + 300000, 400000, 496560, 626090, 685720, 757900 }; + uint32_t sclks_in_khz[6] = { + 300000, 360000, 423530, 514290, 626090, 720000 }; + uint32_t mclks_in_khz[2] = { 333000, 800000 }; + + switch (clk_type) { + case DM_PP_CLOCK_TYPE_DISPLAY_CLK: + clks->num_levels = 6; + memmove(clks->clocks_in_khz, disp_clks_in_khz, + sizeof(disp_clks_in_khz)); + break; + case DM_PP_CLOCK_TYPE_ENGINE_CLK: + clks->num_levels = 6; + memmove(clks->clocks_in_khz, sclks_in_khz, + sizeof(sclks_in_khz)); + break; + case DM_PP_CLOCK_TYPE_MEMORY_CLK: + clks->num_levels = 2; + memmove(clks->clocks_in_khz, mclks_in_khz, + sizeof(mclks_in_khz)); + break; + default: + clks->num_levels = 0; + break; + } +} + +static enum amd_pp_clock_type dc_to_pp_clock_type( + enum dm_pp_clock_type dm_pp_clk_type) +{ + enum amd_pp_clock_type amd_pp_clk_type = 0; + + switch (dm_pp_clk_type) { + case DM_PP_CLOCK_TYPE_DISPLAY_CLK: + amd_pp_clk_type = amd_pp_disp_clock; + break; + case DM_PP_CLOCK_TYPE_ENGINE_CLK: + amd_pp_clk_type = amd_pp_sys_clock; + break; + case DM_PP_CLOCK_TYPE_MEMORY_CLK: + amd_pp_clk_type = amd_pp_mem_clock; + break; + case DM_PP_CLOCK_TYPE_DCEFCLK: + amd_pp_clk_type = amd_pp_dcef_clock; + break; + case DM_PP_CLOCK_TYPE_DCFCLK: + amd_pp_clk_type = amd_pp_dcf_clock; + break; + case DM_PP_CLOCK_TYPE_PIXELCLK: + amd_pp_clk_type = amd_pp_pixel_clock; + break; + case DM_PP_CLOCK_TYPE_FCLK: + amd_pp_clk_type = amd_pp_f_clock; + break; + case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: + amd_pp_clk_type = amd_pp_phy_clock; + break; + case DM_PP_CLOCK_TYPE_DPPCLK: + amd_pp_clk_type = amd_pp_dpp_clock; + break; + default: + DRM_ERROR("DM_PPLIB: invalid clock type: %d!\n", + dm_pp_clk_type); + break; + } + + return amd_pp_clk_type; +} + +static enum dm_pp_clocks_state pp_to_dc_powerlevel_state( + enum PP_DAL_POWERLEVEL max_clocks_state) +{ + switch (max_clocks_state) { + case PP_DAL_POWERLEVEL_0: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_0; + case PP_DAL_POWERLEVEL_1: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_1; + case PP_DAL_POWERLEVEL_2: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_2; + case PP_DAL_POWERLEVEL_3: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_3; + case PP_DAL_POWERLEVEL_4: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_4; + case PP_DAL_POWERLEVEL_5: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_5; + case PP_DAL_POWERLEVEL_6: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_6; + case PP_DAL_POWERLEVEL_7: + return DM_PP_CLOCKS_DPM_STATE_LEVEL_7; + default: + DRM_ERROR("DM_PPLIB: invalid powerlevel state: %d!\n", + max_clocks_state); + return DM_PP_CLOCKS_STATE_INVALID; + } +} + +static void pp_to_dc_clock_levels( + const struct amd_pp_clocks *pp_clks, + struct dm_pp_clock_levels *dc_clks, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->count > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->count, + DM_PP_MAX_CLOCK_LEVELS); + + dc_clks->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + dc_clks->num_levels = pp_clks->count; + + DRM_INFO("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < dc_clks->num_levels; i++) { + DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]); + dc_clks->clocks_in_khz[i] = pp_clks->clock[i]; + } +} + +static void pp_to_dc_clock_levels_with_latency( + const struct pp_clock_levels_with_latency *pp_clks, + struct dm_pp_clock_levels_with_latency *clk_level_info, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->num_levels, + DM_PP_MAX_CLOCK_LEVELS); + + clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + clk_level_info->num_levels = pp_clks->num_levels; + + DRM_DEBUG("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < clk_level_info->num_levels; i++) { + DRM_DEBUG("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz); + clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz; + clk_level_info->data[i].latency_in_us = pp_clks->data[i].latency_in_us; + } +} + +static void pp_to_dc_clock_levels_with_voltage( + const struct pp_clock_levels_with_voltage *pp_clks, + struct dm_pp_clock_levels_with_voltage *clk_level_info, + enum dm_pp_clock_type dc_clk_type) +{ + uint32_t i; + + if (pp_clks->num_levels > DM_PP_MAX_CLOCK_LEVELS) { + DRM_INFO("DM_PPLIB: Warning: %s clock: number of levels %d exceeds maximum of %d!\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type), + pp_clks->num_levels, + DM_PP_MAX_CLOCK_LEVELS); + + clk_level_info->num_levels = DM_PP_MAX_CLOCK_LEVELS; + } else + clk_level_info->num_levels = pp_clks->num_levels; + + DRM_INFO("DM_PPLIB: values for %s clock\n", + DC_DECODE_PP_CLOCK_TYPE(dc_clk_type)); + + for (i = 0; i < clk_level_info->num_levels; i++) { + DRM_INFO("DM_PPLIB:\t %d in kHz\n", pp_clks->data[i].clocks_in_khz); + clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz; + clk_level_info->data[i].voltage_in_mv = pp_clks->data[i].voltage_in_mv; + } +} + +bool dm_pp_get_clock_levels_by_type( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels *dc_clks) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct amd_pp_clocks pp_clks = { 0 }; + struct amd_pp_simple_clock_info validation_clks = { 0 }; + uint32_t i; + + if (adev->powerplay.pp_funcs->get_clock_by_type) { + if (adev->powerplay.pp_funcs->get_clock_by_type(pp_handle, + dc_to_pp_clock_type(clk_type), &pp_clks)) { + /* Error in pplib. Provide default values. */ + get_default_clock_levels(clk_type, dc_clks); + return true; + } + } + + pp_to_dc_clock_levels(&pp_clks, dc_clks, clk_type); + + if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks) { + if (adev->powerplay.pp_funcs->get_display_mode_validation_clocks( + pp_handle, &validation_clks)) { + /* Error in pplib. Provide default values. */ + DRM_INFO("DM_PPLIB: Warning: using default validation clocks!\n"); + validation_clks.engine_max_clock = 72000; + validation_clks.memory_max_clock = 80000; + validation_clks.level = 0; + } + } + + DRM_INFO("DM_PPLIB: Validation clocks:\n"); + DRM_INFO("DM_PPLIB: engine_max_clock: %d\n", + validation_clks.engine_max_clock); + DRM_INFO("DM_PPLIB: memory_max_clock: %d\n", + validation_clks.memory_max_clock); + DRM_INFO("DM_PPLIB: level : %d\n", + validation_clks.level); + + /* Translate 10 kHz to kHz. */ + validation_clks.engine_max_clock *= 10; + validation_clks.memory_max_clock *= 10; + + /* Determine the highest non-boosted level from the Validation Clocks */ + if (clk_type == DM_PP_CLOCK_TYPE_ENGINE_CLK) { + for (i = 0; i < dc_clks->num_levels; i++) { + if (dc_clks->clocks_in_khz[i] > validation_clks.engine_max_clock) { + /* This clock is higher the validation clock. + * Than means the previous one is the highest + * non-boosted one. */ + DRM_INFO("DM_PPLIB: reducing engine clock level from %d to %d\n", + dc_clks->num_levels, i); + dc_clks->num_levels = i > 0 ? i : 1; + break; + } + } + } else if (clk_type == DM_PP_CLOCK_TYPE_MEMORY_CLK) { + for (i = 0; i < dc_clks->num_levels; i++) { + if (dc_clks->clocks_in_khz[i] > validation_clks.memory_max_clock) { + DRM_INFO("DM_PPLIB: reducing memory clock level from %d to %d\n", + dc_clks->num_levels, i); + dc_clks->num_levels = i > 0 ? i : 1; + break; + } + } + } + + return true; +} + +bool dm_pp_get_clock_levels_by_type_with_latency( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels_with_latency *clk_level_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct pp_clock_levels_with_latency pp_clks = { 0 }; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->get_clock_by_type_with_latency) + return false; + + if (pp_funcs->get_clock_by_type_with_latency(pp_handle, + dc_to_pp_clock_type(clk_type), + &pp_clks)) + return false; + + pp_to_dc_clock_levels_with_latency(&pp_clks, clk_level_info, clk_type); + + return true; +} + +bool dm_pp_get_clock_levels_by_type_with_voltage( + const struct dc_context *ctx, + enum dm_pp_clock_type clk_type, + struct dm_pp_clock_levels_with_voltage *clk_level_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + struct pp_clock_levels_with_voltage pp_clk_info = {0}; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (pp_funcs->get_clock_by_type_with_voltage(pp_handle, + dc_to_pp_clock_type(clk_type), + &pp_clk_info)) + return false; + + pp_to_dc_clock_levels_with_voltage(&pp_clk_info, clk_level_info, clk_type); + + return true; +} + +bool dm_pp_notify_wm_clock_changes( + const struct dc_context *ctx, + struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges) +{ + /* TODO: to be implemented */ + return false; +} + +bool dm_pp_apply_power_level_change_request( + const struct dc_context *ctx, + struct dm_pp_power_level_change_request *level_change_req) +{ + /* TODO: to be implemented */ + return false; +} + +bool dm_pp_apply_clock_for_voltage_request( + const struct dc_context *ctx, + struct dm_pp_clock_for_voltage_req *clock_for_voltage_req) +{ + struct amdgpu_device *adev = ctx->driver_context; + struct pp_display_clock_request pp_clock_request = {0}; + int ret = 0; + + pp_clock_request.clock_type = dc_to_pp_clock_type(clock_for_voltage_req->clk_type); + pp_clock_request.clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz; + + if (!pp_clock_request.clock_type) + return false; + + if (adev->powerplay.pp_funcs->display_clock_voltage_request) + ret = adev->powerplay.pp_funcs->display_clock_voltage_request( + adev->powerplay.pp_handle, + &pp_clock_request); + if (ret) + return false; + return true; +} + +bool dm_pp_get_static_clocks( + const struct dc_context *ctx, + struct dm_pp_static_clock_info *static_clk_info) +{ + struct amdgpu_device *adev = ctx->driver_context; + struct amd_pp_clock_info pp_clk_info = {0}; + int ret = 0; + + if (adev->powerplay.pp_funcs->get_current_clocks) + ret = adev->powerplay.pp_funcs->get_current_clocks( + adev->powerplay.pp_handle, + &pp_clk_info); + if (ret) + return false; + + static_clk_info->max_clocks_state = pp_to_dc_powerlevel_state(pp_clk_info.max_clocks_state); + static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10; + static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10; + + return true; +} + +void pp_rv_set_display_requirement(struct pp_smu *pp, + struct pp_smu_display_requirement_rv *req) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + struct pp_display_clock_request clock = {0}; + + if (!pp_funcs || !pp_funcs->display_clock_voltage_request) + return; + + clock.clock_type = amd_pp_dcf_clock; + clock.clock_freq_in_khz = req->hard_min_dcefclk_khz; + pp_funcs->display_clock_voltage_request(pp_handle, &clock); + + clock.clock_type = amd_pp_f_clock; + clock.clock_freq_in_khz = req->hard_min_fclk_khz; + pp_funcs->display_clock_voltage_request(pp_handle, &clock); +} + +void pp_rv_set_wm_ranges(struct pp_smu *pp, + struct pp_smu_wm_range_sets *ranges) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + struct dm_pp_wm_sets_with_clock_ranges_soc15 wm_with_clock_ranges; + struct dm_pp_clock_range_for_dmif_wm_set_soc15 *wm_dce_clocks = wm_with_clock_ranges.wm_dmif_clocks_ranges; + struct dm_pp_clock_range_for_mcif_wm_set_soc15 *wm_soc_clocks = wm_with_clock_ranges.wm_mcif_clocks_ranges; + int32_t i; + + wm_with_clock_ranges.num_wm_dmif_sets = ranges->num_reader_wm_sets; + wm_with_clock_ranges.num_wm_mcif_sets = ranges->num_writer_wm_sets; + + for (i = 0; i < wm_with_clock_ranges.num_wm_dmif_sets; i++) { + if (ranges->reader_wm_sets[i].wm_inst > 3) + wm_dce_clocks[i].wm_set_id = WM_SET_A; + else + wm_dce_clocks[i].wm_set_id = + ranges->reader_wm_sets[i].wm_inst; + wm_dce_clocks[i].wm_max_dcfclk_clk_in_khz = + ranges->reader_wm_sets[i].max_drain_clk_khz; + wm_dce_clocks[i].wm_min_dcfclk_clk_in_khz = + ranges->reader_wm_sets[i].min_drain_clk_khz; + wm_dce_clocks[i].wm_max_mem_clk_in_khz = + ranges->reader_wm_sets[i].max_fill_clk_khz; + wm_dce_clocks[i].wm_min_mem_clk_in_khz = + ranges->reader_wm_sets[i].min_fill_clk_khz; + } + + for (i = 0; i < wm_with_clock_ranges.num_wm_mcif_sets; i++) { + if (ranges->writer_wm_sets[i].wm_inst > 3) + wm_soc_clocks[i].wm_set_id = WM_SET_A; + else + wm_soc_clocks[i].wm_set_id = + ranges->writer_wm_sets[i].wm_inst; + wm_soc_clocks[i].wm_max_socclk_clk_in_khz = + ranges->writer_wm_sets[i].max_fill_clk_khz; + wm_soc_clocks[i].wm_min_socclk_clk_in_khz = + ranges->writer_wm_sets[i].min_fill_clk_khz; + wm_soc_clocks[i].wm_max_mem_clk_in_khz = + ranges->writer_wm_sets[i].max_drain_clk_khz; + wm_soc_clocks[i].wm_min_mem_clk_in_khz = + ranges->writer_wm_sets[i].min_drain_clk_khz; + } + + pp_funcs->set_watermarks_for_clocks_ranges(pp_handle, &wm_with_clock_ranges); +} + +void pp_rv_set_pme_wa_enable(struct pp_smu *pp) +{ + struct dc_context *ctx = pp->ctx; + struct amdgpu_device *adev = ctx->driver_context; + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + + if (!pp_funcs || !pp_funcs->notify_smu_enable_pwe) + return; + + pp_funcs->notify_smu_enable_pwe(pp_handle); +} + +void dm_pp_get_funcs_rv( + struct dc_context *ctx, + struct pp_smu_funcs_rv *funcs) +{ + funcs->pp_smu.ctx = ctx; + funcs->set_display_requirement = pp_rv_set_display_requirement; + funcs->set_wm_ranges = pp_rv_set_wm_ranges; + funcs->set_pme_wa_enable = pp_rv_set_pme_wa_enable; +} diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c new file mode 100644 index 000000000..516795342 --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c @@ -0,0 +1,76 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include <linux/string.h> +#include <linux/acpi.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/amdgpu_drm.h> +#include "dm_services.h" +#include "amdgpu.h" +#include "amdgpu_dm.h" +#include "amdgpu_dm_irq.h" +#include "amdgpu_pm.h" + + + +unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx, + unsigned long long current_time_stamp, + unsigned long long last_time_stamp) +{ + return current_time_stamp - last_time_stamp; +} + +void dm_perf_trace_timestamp(const char *func_name, unsigned int line) +{ +} + +bool dm_write_persistent_data(struct dc_context *ctx, + const struct dc_sink *sink, + const char *module_name, + const char *key_name, + void *params, + unsigned int size, + struct persistent_data_flag *flag) +{ + /*TODO implement*/ + return false; +} + +bool dm_read_persistent_data(struct dc_context *ctx, + const struct dc_sink *sink, + const char *module_name, + const char *key_name, + void *params, + unsigned int size, + struct persistent_data_flag *flag) +{ + /*TODO implement*/ + return false; +} + +/**** power component interfaces ****/ + |