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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: 85c83ea915 ("drm/virtio: implement context init: allocate an array of fence contexts")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20220812224001.2806463-1-robdclark@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Rob Clark 2022-08-12 15:40:00 -07:00 committed by Gerd Hoffmann
parent d9c04a1b7a
commit 3007dc2af6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/virtio/virtgpu_ioctl.c
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@ -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);