dma_fence_signal_locked
dma_fence_signal_locked(fence);
dma_fence_signal_locked(fence);
dma_fence_signal_locked(fence);
dma_fence_signal_locked(fence);
dma_fence_signal_locked(&dma_fence_stub);
dma_fence_signal_locked(&rq->fence);
int dma_fence_signal_locked(struct dma_fence *);
dma_fence_signal_locked(&fence->base);