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| author | Xiaojian Du <Xiaojian.Du@amd.com> | 2022-01-17 05:44:51 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-01-20 04:31:51 +0100 |
| commit | 479e3b02b73a2de2b19df2950863149c59d57bfe (patch) | |
| tree | 1d68ff5235ec85b6c932aca38c6b5a9b6b8fb5e8 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | |
| parent | amdgpu/amdgpu_psp: remove unneeded ret variable (diff) | |
| download | linux-479e3b02b73a2de2b19df2950863149c59d57bfe.tar.xz linux-479e3b02b73a2de2b19df2950863149c59d57bfe.zip | |
drm/amdgpu: add vram check function for GMC
This patch will add vram check function for GMC block.
It will write pattern data to the vram and then read back from the vram,
so that to verify the work status of vram.
This patch will cover gmc v6/7/8/9/10.
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index 0001631cfedb..a5e8e0e08970 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -336,4 +336,5 @@ void amdgpu_gmc_init_pdb0(struct amdgpu_device *adev); uint64_t amdgpu_gmc_vram_mc2pa(struct amdgpu_device *adev, uint64_t mc_addr); uint64_t amdgpu_gmc_vram_pa(struct amdgpu_device *adev, struct amdgpu_bo *bo); uint64_t amdgpu_gmc_vram_cpu_pa(struct amdgpu_device *adev, struct amdgpu_bo *bo); +int amdgpu_gmc_vram_checking(struct amdgpu_device *adev); #endif |