Re: [PATCH] drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM

["Christian König" <christian.koenig@amd.com>]

Arun sorry I should have CCed you in the first place.

Please take a look as well.

Thanks,
Christian.

On 07.10.25 11:19, Christian König wrote:
> Otherwise accessing them can cause a crash.
> 
> Signed-off-by: Christian König <christian.koenig@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> 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;
>  }
>