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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h new file mode 100644 index 000000000..1f279050d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -0,0 +1,93 @@ +/* + * Copyright 2014 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_GFX_H__ +#define __AMDGPU_GFX_H__ + +int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg); +void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg); + +void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, + unsigned max_sh); + +void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev); + +int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq); + +void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq); + +void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev); +int amdgpu_gfx_kiq_init(struct amdgpu_device *adev, + unsigned hpd_size); + +int amdgpu_gfx_compute_mqd_sw_init(struct amdgpu_device *adev, + unsigned mqd_size); +void amdgpu_gfx_compute_mqd_sw_fini(struct amdgpu_device *adev); + +/** + * amdgpu_gfx_create_bitmask - create a bitmask + * + * @bit_width: length of the mask + * + * create a variable length bit mask. + * Returns the bitmask. + */ +static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width) +{ + return (u32)((1ULL << bit_width) - 1); +} + +static inline int amdgpu_gfx_queue_to_bit(struct amdgpu_device *adev, + int mec, int pipe, int queue) +{ + int bit = 0; + + bit += mec * adev->gfx.mec.num_pipe_per_mec + * adev->gfx.mec.num_queue_per_pipe; + bit += pipe * adev->gfx.mec.num_queue_per_pipe; + bit += queue; + + return bit; +} + +static inline void amdgpu_gfx_bit_to_queue(struct amdgpu_device *adev, int bit, + int *mec, int *pipe, int *queue) +{ + *queue = bit % adev->gfx.mec.num_queue_per_pipe; + *pipe = (bit / adev->gfx.mec.num_queue_per_pipe) + % adev->gfx.mec.num_pipe_per_mec; + *mec = (bit / adev->gfx.mec.num_queue_per_pipe) + / adev->gfx.mec.num_pipe_per_mec; + +} +static inline bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, + int mec, int pipe, int queue) +{ + return test_bit(amdgpu_gfx_queue_to_bit(adev, mec, pipe, queue), + adev->gfx.mec.queue_bitmap); +} + +#endif |