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drm/amd/amdgpu: Add debugfs support for reading GPRs (v2)

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Implemented for SGPRs for GFX v8 initially.

(v2) cleanup minor whitespace and remove sanity check and
     addressing is in dwords not bytes

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis
2016-12-05 11:39:19 -05:00
committed by Alex Deucher
parent 40ee5888fa
commit c5a60ce81b
3 changed files with 94 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -842,6 +842,8 @@ struct amdgpu_gfx_funcs {
uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst);
void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
};
struct amdgpu_gfx {