Commit 3007dc2a authored by Rob Clark's avatar Rob Clark Committed by Gerd Hoffmann
Browse files

drm/virtio: Fix same-context optimization 



When VIRTGPU_EXECBUF_RING_IDX is used, we should be considering the
timeline that the EB if running on rather than the global driver fence
context.

Fixes: 85c83ea9 ("drm/virtio: implement context init: allocate an array of fence contexts")
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20220812224001.2806463-1-robdclark@gmail.com


Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent d9c04a1b

drivers/gpu/drm/virtio/virtgpu_ioctl.c

+1 −1
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, 
		 * array contains any fence from a foreign context.

		 */

		ret = 0;

		if (!dma_fence_match_context(in_fence, vgdev->fence_drv.context))

		if (!dma_fence_match_context(in_fence, fence_ctx + ring_idx))

			ret = dma_fence_wait(in_fence, true);



		dma_fence_put(in_fence);