[PATCH 3/8] drm/amdgpu: fix user fence CS check

[Alex Deucher]

On Fri, Sep 16, 2022 at 5:09 AM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> An offset of zero is valid, check if the BO is present or not.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

Since this is a bug fix, should we make the first patch in the series?

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 5c37dde97ff2..265ed2118a80 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -313,7 +313,7 @@ static int amdgpu_cs_p2_ib(struct amdgpu_cs_parser *p,
>
>         ring = to_amdgpu_ring(entity->rq->sched);
>         /* MM engine doesn't support user fences */
> -       if (p->job->uf_addr && ring->funcs->no_user_fence)
> +       if (p->uf_entry.tv.bo && ring->funcs->no_user_fence)
>                 return -EINVAL;
>
>         if (chunk_ib->ip_type == AMDGPU_HW_IP_GFX &&
> --
> 2.25.1
>