[PATCH 08/12] drm/amdgpu: disallow foreign BOs for UVD/VCE

[Alex Deucher]

On Mon, Jul 3, 2017 at 5:11 PM, Felix Kuehling <Felix.Kuehling at amd.com> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> They don't support VM mode yet.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>

This could probably be refined since newer asics support VM for MM
engines.  Maybe add a comment to that effect?  I would add a comment
in general either way.

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 82131d7..24035e4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -1343,7 +1343,8 @@ struct amdgpu_bo_va_mapping *
>                 struct amdgpu_bo_list_entry *lobj;
>
>                 lobj = &parser->bo_list->array[i];
> -               if (!lobj->bo_va)
> +               if (!lobj->bo_va ||
> +                   amdgpu_ttm_adev(lobj->bo_va->bo->tbo.bdev) != parser->adev)
>                         continue;
>
>                 list_for_each_entry(mapping, &lobj->bo_va->valids, list) {
> --
> 1.9.1
>
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