Re: [PATCH] drm/amdgpu: Drop eviction lock before freeing PD/PT BO

[Alex Deucher]

+ Arun

On Thu, Oct 8, 2026 at 3:43 AM XF <xffffff...@gmail.com> wrote:
>
> From: xf <xffffff...@gmail.com>
>
> Fix circular locking warning with drm_buddy allocator.
>
> Signed-off-by: xf <xffffff...@gmail.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 7d3659ef11e5..2a4f8d365271 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1252,7 +1252,12 @@ int amdgpu_vm_update_range(struct amdgpu_device *adev, 
> struct amdgpu_vm *vm,
>                 tlb_cb = NULL;
>         }
>
> +       amdgpu_vm_end_critical(&params);
>         amdgpu_vm_pt_free_list(adev, &params);
> +       kfree(tlb_cb);
> +       drm_dev_exit(idx);
> +
> +       return 0;
>
>  error_free:
>         kfree(tlb_cb);
> --
> 2.34.1
>