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| author | Kent Russell <kent.russell@amd.com> | 2019-05-15 08:35:29 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:25:32 -0500 |
| commit | fb2dbfd2427e82ae63742f667cda19f1af6b77c2 (patch) | |
| tree | 21fdc009cce43601cf7a582d0dbb82aa4a68b8d5 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 460960587ae80802c76384b0580ed9c89e6e4bb7 (diff) | |
| download | lwn-fb2dbfd2427e82ae63742f667cda19f1af6b77c2.tar.gz lwn-fb2dbfd2427e82ae63742f667cda19f1af6b77c2.zip | |
drm/amdgpu: Add Unique Identifier sysfs file unique_id v2
Add a file that provides a Unique ID for the GPU.
This will persist across machines and is guaranteed to be unique.
This is only available for GFX9 and newer, so older ASICs will not
have this file in the sysfs pool
v2: Store it in adev for ASICs that don't have a hwmgr
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 38e782dee478..58f8f132904d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -957,6 +957,8 @@ struct amdgpu_device { long sdma_timeout; long video_timeout; long compute_timeout; + + uint64_t unique_id; }; static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) |