On Tue, Oct 7, 2025 at 5:26 AM Christian König
<[email protected]> wrote:
>
> Otherwise accessing them can cause a crash.
>
> Signed-off-by: Christian König <[email protected]>

Acked-by: Alex Deucher <[email protected]>

> ---
>  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;
>  }
>
> --
> 2.43.0
>

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