Commit 33cc891b authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM 



Otherwise accessing them can cause a crash.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Tested-by: default avatarMangesh Gadre <Mangesh.Gadre@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarArunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 74de0eaa

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

}