Use dma-fence-unwrap API for waiting each dma-fence of the in-fence array individually. Sync file's in-fence array always has a non-matching fence context ID, which doesn't allow to skip waiting of fences with a matching context ID in a case of a merged sync file fence. Suggested-by: Rob Clark <robdclark@xxxxxxxxx> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> --- drivers/gpu/drm/virtio/virtgpu_submit.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_submit.c b/drivers/gpu/drm/virtio/virtgpu_submit.c index 902734778d1b..b60dea077240 100644 --- a/drivers/gpu/drm/virtio/virtgpu_submit.c +++ b/drivers/gpu/drm/virtio/virtgpu_submit.c @@ -32,8 +32,8 @@ struct virtio_gpu_submit { void *buf; }; -static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit, - struct dma_fence *in_fence) +static int virtio_gpu_do_fence_wait(struct virtio_gpu_submit *submit, + struct dma_fence *in_fence) { uint32_t context = submit->fence_ctx + submit->ring_idx; @@ -43,6 +43,22 @@ static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit, return dma_fence_wait(in_fence, true); } +static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit, + struct dma_fence *fence) +{ + struct dma_fence_unwrap itr; + struct dma_fence *f; + int err; + + dma_fence_unwrap_for_each(f, &itr, fence) { + err = virtio_gpu_do_fence_wait(submit, f); + if (err) + return err; + } + + return 0; +} + static int virtio_gpu_fence_event_create(struct drm_device *dev, struct drm_file *file, struct virtio_gpu_fence *fence, -- 2.39.2