Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 772 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
new file mode 100644
index 000000000..c963eec58
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -0,0 +1,772 @@
+/*
+ * Copyright 2016 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.
+ *
+ */
+#include "amdgpu.h"
+#include "mmhub_v1_0.h"
+
+#include "mmhub/mmhub_1_0_offset.h"
+#include "mmhub/mmhub_1_0_sh_mask.h"
+#include "mmhub/mmhub_1_0_default.h"
+#include "athub/athub_1_0_offset.h"
+#include "athub/athub_1_0_sh_mask.h"
+#include "vega10_enum.h"
+
+#include "soc15_common.h"
+
+#define mmDAGB0_CNTL_MISC2_RV 0x008f
+#define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
+
+u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
+{
+	u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE);
+
+	base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
+	base <<= 24;
+
+	return base;
+}
+
+static void mmhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
+{
+	uint64_t value;
+
+	BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
+	value = adev->gart.table_addr - adev->gmc.vram_start +
+		adev->vm_manager.vram_base_offset;
+	value &= 0x0000FFFFFFFFF000ULL;
+	value |= 0x1; /* valid bit */
+
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+		     lower_32_bits(value));
+
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+		     upper_32_bits(value));
+}
+
+static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+	mmhub_v1_0_init_gart_pt_regs(adev);
+
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+		     (u32)(adev->gmc.gart_start >> 12));
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+		     (u32)(adev->gmc.gart_start >> 44));
+
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+		     (u32)(adev->gmc.gart_end >> 12));
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+		     (u32)(adev->gmc.gart_end >> 44));
+}
+
+static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
+{
+	uint64_t value;
+	uint32_t tmp;
+
+	/* Disable AGP. */
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0);
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, 0);
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, 0x00FFFFFF);
+
+	/* Program the system aperture low logical page number. */
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
+		     adev->gmc.vram_start >> 18);
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+		     adev->gmc.vram_end >> 18);
+
+	/* Set default page address. */
+	value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
+		adev->vm_manager.vram_base_offset;
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
+		     (u32)(value >> 12));
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
+		     (u32)(value >> 44));
+
+	/* Program "protection fault". */
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
+		     (u32)(adev->dummy_page_addr >> 12));
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
+		     (u32)((u64)adev->dummy_page_addr >> 44));
+
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
+			    ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp);
+}
+
+static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	/* Setup TLB control */
+	tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
+
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
+			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
+			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
+			    MTYPE, MTYPE_UC);/* XXX for emulation. */
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
+
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
+}
+
+static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	/* Setup L2 cache */
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
+	/* XXX for emulation, Refer to closed source code.*/
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
+			    0);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
+
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
+
+	if (adev->gmc.translate_further) {
+		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
+		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
+				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
+	} else {
+		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
+		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
+				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
+	}
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
+
+	tmp = mmVM_L2_CNTL4_DEFAULT;
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL4, tmp);
+}
+
+static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
+	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+	WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
+}
+
+static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
+{
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
+		     0XFFFFFFFF);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
+		     0x0000000F);
+
+	WREG32_SOC15(MMHUB, 0,
+		     mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
+	WREG32_SOC15(MMHUB, 0,
+		     mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
+
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
+		     0);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
+		     0);
+}
+
+static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
+{
+	unsigned num_level, block_size;
+	uint32_t tmp;
+	int i;
+
+	num_level = adev->vm_manager.num_level;
+	block_size = adev->vm_manager.block_size;
+	if (adev->gmc.translate_further)
+		num_level -= 1;
+	else
+		block_size -= 9;
+
+	for (i = 0; i <= 14; i++) {
+		tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
+				    num_level);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
+				    1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    PAGE_TABLE_BLOCK_SIZE,
+				    block_size);
+		/* Send no-retry XNACK on fault to suppress VM fault storm. */
+		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i, tmp);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2,
+			lower_32_bits(adev->vm_manager.max_pfn - 1));
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
+			upper_32_bits(adev->vm_manager.max_pfn - 1));
+	}
+}
+
+static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
+{
+	unsigned i;
+
+	for (i = 0; i < 18; ++i) {
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
+				    2 * i, 0xffffffff);
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
+				    2 * i, 0x1f);
+	}
+}
+
+struct pctl_data {
+	uint32_t index;
+	uint32_t data;
+};
+
+static const struct pctl_data pctl0_data[] = {
+	{0x0, 0x7a640},
+	{0x9, 0x2a64a},
+	{0xd, 0x2a680},
+	{0x11, 0x6a684},
+	{0x19, 0xea68e},
+	{0x29, 0xa69e},
+	{0x2b, 0x0010a6c0},
+	{0x3d, 0x83a707},
+	{0xc2, 0x8a7a4},
+	{0xcc, 0x1a7b8},
+	{0xcf, 0xfa7cc},
+	{0xe0, 0x17a7dd},
+	{0xf9, 0xa7dc},
+	{0xfb, 0x12a7f5},
+	{0x10f, 0xa808},
+	{0x111, 0x12a810},
+	{0x125, 0x7a82c}
+};
+#define PCTL0_DATA_LEN (ARRAY_SIZE(pctl0_data))
+
+#define PCTL0_RENG_EXEC_END_PTR 0x12d
+#define PCTL0_STCTRL_REG_SAVE_RANGE0_BASE  0xa640
+#define PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa833
+
+static const struct pctl_data pctl1_data[] = {
+	{0x0, 0x39a000},
+	{0x3b, 0x44a040},
+	{0x81, 0x2a08d},
+	{0x85, 0x6ba094},
+	{0xf2, 0x18a100},
+	{0x10c, 0x4a132},
+	{0x112, 0xca141},
+	{0x120, 0x2fa158},
+	{0x151, 0x17a1d0},
+	{0x16a, 0x1a1e9},
+	{0x16d, 0x13a1ec},
+	{0x182, 0x7a201},
+	{0x18b, 0x3a20a},
+	{0x190, 0x7a580},
+	{0x199, 0xa590},
+	{0x19b, 0x4a594},
+	{0x1a1, 0x1a59c},
+	{0x1a4, 0x7a82c},
+	{0x1ad, 0xfa7cc},
+	{0x1be, 0x17a7dd},
+	{0x1d7, 0x12a810},
+	{0x1eb, 0x4000a7e1},
+	{0x1ec, 0x5000a7f5},
+	{0x1ed, 0x4000a7e2},
+	{0x1ee, 0x5000a7dc},
+	{0x1ef, 0x4000a7e3},
+	{0x1f0, 0x5000a7f6},
+	{0x1f1, 0x5000a7e4}
+};
+#define PCTL1_DATA_LEN (ARRAY_SIZE(pctl1_data))
+
+#define PCTL1_RENG_EXEC_END_PTR 0x1f1
+#define PCTL1_STCTRL_REG_SAVE_RANGE0_BASE  0xa000
+#define PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT 0xa20d
+#define PCTL1_STCTRL_REG_SAVE_RANGE1_BASE  0xa580
+#define PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT 0xa59d
+#define PCTL1_STCTRL_REG_SAVE_RANGE2_BASE  0xa82c
+#define PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT 0xa833
+
+static void mmhub_v1_0_power_gating_write_save_ranges(struct amdgpu_device *adev)
+{
+	uint32_t tmp = 0;
+
+	/* PCTL0_STCTRL_REGISTER_SAVE_RANGE0 */
+	tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0,
+			STCTRL_REGISTER_SAVE_BASE,
+			PCTL0_STCTRL_REG_SAVE_RANGE0_BASE);
+	tmp = REG_SET_FIELD(tmp, PCTL0_STCTRL_REGISTER_SAVE_RANGE0,
+			STCTRL_REGISTER_SAVE_LIMIT,
+			PCTL0_STCTRL_REG_SAVE_RANGE0_LIMIT);
+	WREG32_SOC15(MMHUB, 0, mmPCTL0_STCTRL_REGISTER_SAVE_RANGE0, tmp);
+
+	/* PCTL1_STCTRL_REGISTER_SAVE_RANGE0 */
+	tmp = 0;
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0,
+			STCTRL_REGISTER_SAVE_BASE,
+			PCTL1_STCTRL_REG_SAVE_RANGE0_BASE);
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE0,
+			STCTRL_REGISTER_SAVE_LIMIT,
+			PCTL1_STCTRL_REG_SAVE_RANGE0_LIMIT);
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE0, tmp);
+
+	/* PCTL1_STCTRL_REGISTER_SAVE_RANGE1 */
+	tmp = 0;
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1,
+			STCTRL_REGISTER_SAVE_BASE,
+			PCTL1_STCTRL_REG_SAVE_RANGE1_BASE);
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE1,
+			STCTRL_REGISTER_SAVE_LIMIT,
+			PCTL1_STCTRL_REG_SAVE_RANGE1_LIMIT);
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE1, tmp);
+
+	/* PCTL1_STCTRL_REGISTER_SAVE_RANGE2 */
+	tmp = 0;
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2,
+			STCTRL_REGISTER_SAVE_BASE,
+			PCTL1_STCTRL_REG_SAVE_RANGE2_BASE);
+	tmp = REG_SET_FIELD(tmp, PCTL1_STCTRL_REGISTER_SAVE_RANGE2,
+			STCTRL_REGISTER_SAVE_LIMIT,
+			PCTL1_STCTRL_REG_SAVE_RANGE2_LIMIT);
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_STCTRL_REGISTER_SAVE_RANGE2, tmp);
+}
+
+void mmhub_v1_0_initialize_power_gating(struct amdgpu_device *adev)
+{
+	uint32_t pctl0_misc = 0;
+	uint32_t pctl0_reng_execute = 0;
+	uint32_t pctl1_misc = 0;
+	uint32_t pctl1_reng_execute = 0;
+	int i = 0;
+
+	if (amdgpu_sriov_vf(adev))
+		return;
+
+	/****************** pctl0 **********************/
+	pctl0_misc = RREG32_SOC15(MMHUB, 0, mmPCTL0_MISC);
+	pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
+
+	/* Light sleep must be disabled before writing to pctl0 registers */
+	pctl0_misc &= ~PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
+	WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
+
+	/* Write data used to access ram of register engine */
+	for (i = 0; i < PCTL0_DATA_LEN; i++) {
+                WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_INDEX,
+			pctl0_data[i].index);
+                WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_RAM_DATA,
+			pctl0_data[i].data);
+        }
+
+	/* Re-enable light sleep */
+	pctl0_misc |= PCTL0_MISC__RENG_MEM_LS_ENABLE_MASK;
+	WREG32_SOC15(MMHUB, 0, mmPCTL0_MISC, pctl0_misc);
+
+	/****************** pctl1 **********************/
+	pctl1_misc = RREG32_SOC15(MMHUB, 0, mmPCTL1_MISC);
+	pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
+
+	/* Light sleep must be disabled before writing to pctl1 registers */
+	pctl1_misc &= ~PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
+
+	/* Write data used to access ram of register engine */
+	for (i = 0; i < PCTL1_DATA_LEN; i++) {
+                WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_INDEX,
+			pctl1_data[i].index);
+                WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_RAM_DATA,
+			pctl1_data[i].data);
+        }
+
+	/* Re-enable light sleep */
+	pctl1_misc |= PCTL1_MISC__RENG_MEM_LS_ENABLE_MASK;
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_MISC, pctl1_misc);
+
+	mmhub_v1_0_power_gating_write_save_ranges(adev);
+
+	/* Set the reng execute end ptr for pctl0 */
+	pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+					PCTL0_RENG_EXECUTE,
+					RENG_EXECUTE_END_PTR,
+					PCTL0_RENG_EXEC_END_PTR);
+	WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
+
+	/* Set the reng execute end ptr for pctl1 */
+	pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
+					PCTL1_RENG_EXECUTE,
+					RENG_EXECUTE_END_PTR,
+					PCTL1_RENG_EXEC_END_PTR);
+	WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
+}
+
+void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
+				bool enable)
+{
+	uint32_t pctl0_reng_execute = 0;
+	uint32_t pctl1_reng_execute = 0;
+
+	if (amdgpu_sriov_vf(adev))
+		return;
+
+	pctl0_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE);
+	pctl1_reng_execute = RREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE);
+
+	if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) {
+		pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+						PCTL0_RENG_EXECUTE,
+						RENG_EXECUTE_ON_PWR_UP, 1);
+		pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+						PCTL0_RENG_EXECUTE,
+						RENG_EXECUTE_ON_REG_UPDATE, 1);
+		WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
+
+		pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
+						PCTL1_RENG_EXECUTE,
+						RENG_EXECUTE_ON_PWR_UP, 1);
+		pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
+						PCTL1_RENG_EXECUTE,
+						RENG_EXECUTE_ON_REG_UPDATE, 1);
+		WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
+
+		if (adev->powerplay.pp_funcs->set_powergating_by_smu)
+			amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true);
+
+	} else {
+		pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+						PCTL0_RENG_EXECUTE,
+						RENG_EXECUTE_ON_PWR_UP, 0);
+		pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
+						PCTL0_RENG_EXECUTE,
+						RENG_EXECUTE_ON_REG_UPDATE, 0);
+		WREG32_SOC15(MMHUB, 0, mmPCTL0_RENG_EXECUTE, pctl0_reng_execute);
+
+		pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
+						PCTL1_RENG_EXECUTE,
+						RENG_EXECUTE_ON_PWR_UP, 0);
+		pctl1_reng_execute = REG_SET_FIELD(pctl1_reng_execute,
+						PCTL1_RENG_EXECUTE,
+						RENG_EXECUTE_ON_REG_UPDATE, 0);
+		WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
+	}
+}
+
+int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
+{
+	if (amdgpu_sriov_vf(adev)) {
+		/*
+		 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
+		 * VF copy registers so vbios post doesn't program them, for
+		 * SRIOV driver need to program them
+		 */
+		WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE,
+			     adev->gmc.vram_start >> 24);
+		WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
+			     adev->gmc.vram_end >> 24);
+	}
+
+	/* GART Enable. */
+	mmhub_v1_0_init_gart_aperture_regs(adev);
+	mmhub_v1_0_init_system_aperture_regs(adev);
+	mmhub_v1_0_init_tlb_regs(adev);
+	mmhub_v1_0_init_cache_regs(adev);
+
+	mmhub_v1_0_enable_system_domain(adev);
+	mmhub_v1_0_disable_identity_aperture(adev);
+	mmhub_v1_0_setup_vmid_config(adev);
+	mmhub_v1_0_program_invalidation(adev);
+
+	return 0;
+}
+
+void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u32 i;
+
+	/* Disable all tables */
+	for (i = 0; i < 16; i++)
+		WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL, i, 0);
+
+	/* Setup TLB control */
+	tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
+	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
+	tmp = REG_SET_FIELD(tmp,
+				MC_VM_MX_L1_TLB_CNTL,
+				ENABLE_ADVANCED_DRIVER_MODEL,
+				0);
+	WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
+
+	/* Setup L2 cache */
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
+	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
+}
+
+/**
+ * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
+ *
+ * @adev: amdgpu_device pointer
+ * @value: true redirects VM faults to the default page
+ */
+void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
+{
+	u32 tmp;
+	tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp,
+			VM_L2_PROTECTION_FAULT_CNTL,
+			TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
+			value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+			EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+	if (!value) {
+		tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+				CRASH_ON_NO_RETRY_FAULT, 1);
+		tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+				CRASH_ON_RETRY_FAULT, 1);
+    }
+
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
+}
+
+void mmhub_v1_0_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
+
+	hub->ctx0_ptb_addr_lo32 =
+		SOC15_REG_OFFSET(MMHUB, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+	hub->ctx0_ptb_addr_hi32 =
+		SOC15_REG_OFFSET(MMHUB, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+	hub->vm_inv_eng0_req =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
+	hub->vm_inv_eng0_ack =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
+	hub->vm_context0_cntl =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+	hub->vm_l2_pro_fault_status =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
+	hub->vm_l2_pro_fault_cntl =
+		SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+
+}
+
+static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+							bool enable)
+{
+	uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
+
+	def  = data  = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
+
+	if (adev->asic_type != CHIP_RAVEN) {
+		def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
+		def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2);
+	} else
+		def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV);
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
+		data |= ATC_L2_MISC_CG__ENABLE_MASK;
+
+		data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+		           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+		if (adev->asic_type != CHIP_RAVEN)
+			data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+			           DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+			           DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+			           DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+			           DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+			           DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+	} else {
+		data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
+
+		data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+			  DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+		if (adev->asic_type != CHIP_RAVEN)
+			data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+			          DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+			          DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+			          DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+			          DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+			          DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+	}
+
+	if (def != data)
+		WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
+
+	if (def1 != data1) {
+		if (adev->asic_type != CHIP_RAVEN)
+			WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
+		else
+			WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1);
+	}
+
+	if (adev->asic_type != CHIP_RAVEN && def2 != data2)
+		WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2);
+}
+
+static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+						   bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
+		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+	else
+		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+
+	if (def != data)
+		WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
+}
+
+static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+						       bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
+		data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+	else
+		data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+
+	if (def != data)
+		WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
+}
+
+static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+						  bool enable)
+{
+	uint32_t def, data;
+
+	def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+
+	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
+	    (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
+		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+	else
+		data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+
+	if(def != data)
+		WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
+}
+
+int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
+			       enum amd_clockgating_state state)
+{
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+	case CHIP_VEGA12:
+	case CHIP_VEGA20:
+	case CHIP_RAVEN:
+		mmhub_v1_0_update_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		athub_update_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		mmhub_v1_0_update_medium_grain_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		athub_update_medium_grain_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
+{
+	int data;
+
+	if (amdgpu_sriov_vf(adev))
+		*flags = 0;
+
+	/* AMD_CG_SUPPORT_MC_MGCG */
+	data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+	if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
+		*flags |= AMD_CG_SUPPORT_MC_MGCG;
+
+	/* AMD_CG_SUPPORT_MC_LS */
+	data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
+	if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
+		*flags |= AMD_CG_SUPPORT_MC_LS;
+}