+ amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+ struct dma_resv *resv = e->tv.bo->base.resv;
+ struct dma_fence_chain *chain = e->chain;
+
+ if (!chain)
+ continue;
+
+ /*
+ * Work around dma_resv shortcommings by wrapping up the
+ * submission in a dma_fence_chain and add it as exclusive
+ * fence, but first add the submission as shared fence to make
+ * sure that shared fences never signal before the exclusive
+ * one.
+ */
+ dma_fence_chain_init(chain, dma_resv_excl_fence(resv),
+ dma_fence_get(p->fence), 1);
+
+ dma_resv_add_shared_fence(resv, p->fence);
+ rcu_assign_pointer(resv->fence_excl, &chain->base);
+ e->chain = NULL;
+ }
+