On Mon, Jul 3, 2017 at 5:11 PM, Felix Kuehling <[email protected]> wrote:
> From: Christian König <[email protected]>
>
> Pinning them in other devices VRAM would obviously not work.
>
> Signed-off-by: Christian König <[email protected]>
> Reviewed-by: Felix Kuehling <[email protected]>
Do we need to check in the DC (amdgpu_dm_types.c) and the dce
(dce_v*_0.c) code as well?
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 3341c34..bd6b0dc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -180,6 +180,12 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
> obj = new_amdgpu_fb->obj;
> new_abo = gem_to_amdgpu_bo(obj);
>
> + if (amdgpu_ttm_adev(new_abo->tbo.bdev) != adev) {
> + DRM_ERROR("Foreign BOs not allowed in the display engine\n");
> + r = -EINVAL;
> + goto cleanup;
> + }
> +
> /* pin the new buffer */
> r = amdgpu_bo_reserve(new_abo, false);
> if (unlikely(r != 0)) {
> --
> 1.9.1
>
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