[PATCH] drm/amdgpu: Fix a NULL pointer of fence

[Mike Lothian]

Hi

This appears to fix https://gitlab.freedesktop.org/drm/amd/-/issues/2074

Feel free to add my tested by

Thanks

Mike

On Thu, 7 Jul 2022 at 10:51, xinhui pan <xinhui.pan at amd.com> wrote:
>
> Fence is accessed by dma_resv_add_fence() now.
> Use amdgpu_amdkfd_remove_eviction_fence instead.
>
> Signed-off-by: xinhui pan <xinhui.pan at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index 0036c9e405af..1e25c400ce4f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -1558,10 +1558,10 @@ void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
>
>         if (!process_info)
>                 return;
> -
>         /* Release eviction fence from PD */
>         amdgpu_bo_reserve(pd, false);
> -       amdgpu_bo_fence(pd, NULL, false);
> +       amdgpu_amdkfd_remove_eviction_fence(pd,
> +                                       process_info->eviction_fence);
>         amdgpu_bo_unreserve(pd);
>
>         /* Update process info */
> --
> 2.34.1
>