diff options
| author | Christian König <christian.koenig@amd.com> | 2025-10-07 11:10:52 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-13 21:14:15 +0300 |
| commit | 33cc891b56b93cad1a83263eaf2e417436f70c82 (patch) | |
| tree | 23e4f98cd006b64ae4197815388d3f870bfb8bf0 | |
| parent | 74de0eaa00eac2e0cbad1dda6dcf8f44ab27629e (diff) | |
| download | linux-33cc891b56b93cad1a83263eaf2e417436f70c82.tar.xz | |
drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM
Otherwise accessing them can cause a crash.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index a5adb2ed9b3c..9d934c07fa6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -234,6 +234,9 @@ static umode_t amdgpu_vram_attrs_is_visible(struct kobject *kobj, !adev->gmc.vram_vendor) return 0; + if (!ttm_resource_manager_used(&adev->mman.vram_mgr.manager)) + return 0; + return attr->mode; } |