dma_fence_chain_contained
out_fence = dma_fence_get(dma_fence_chain_contained(fence));
struct dma_fence *f = dma_fence_chain_contained(fence);
struct dma_fence *f = dma_fence_chain_contained(fence);
struct dma_fence *f = dma_fence_chain_contained(fence);
cursor->array = dma_fence_chain_contained(cursor->chain);
struct dma_fence *tmp = dma_fence_chain_contained(f);
xe_fence_set_error(dma_fence_chain_contained(iter),
struct dma_fence *fence = dma_fence_chain_contained(job->fence);
struct dma_fence *fence = dma_fence_chain_contained(job->fence);