57 	return (struct intel_engine_cs *)READ_ONCE(node->base.cb.node.prev);  in __barrier_to_engine()
468 	struct dma_fence *prev;  in __i915_active_set_fence()  local
475 	prev = __i915_active_fence_set(active, fence);  in __i915_active_set_fence()
476 	if (!prev)  in __i915_active_set_fence()
479 	return prev;  in __i915_active_set_fence()
776 	struct rb_node *prev, *p;  in reuse_idle_barrier()  local
795 	prev = NULL;  in reuse_idle_barrier()
804 		prev = p;  in reuse_idle_barrier()
817 	for (p = prev; p; p = rb_next(p)) {  in reuse_idle_barrier()
879 		struct llist_node *prev = first;  in i915_active_acquire_preallocate_barrier()  local
907 			node->base.cb.node.prev = (void *)engine;  in i915_active_acquire_preallocate_barrier()
914 		first->next = prev;  in i915_active_acquire_preallocate_barrier()
1031 	struct dma_fence *prev;  in __i915_active_fence_set()  local
1049 	prev = i915_active_fence_get(active);  in __i915_active_fence_set()
1050 	if (fence == prev)  in __i915_active_fence_set()
1068 	if (prev)  in __i915_active_fence_set()
1069 		spin_lock_nested(prev->lock, SINGLE_DEPTH_NESTING);  in __i915_active_fence_set()
1081 	while (cmpxchg(__active_fence_slot(active), prev, fence) != prev) {  in __i915_active_fence_set()
1082 		if (prev) {  in __i915_active_fence_set()
1083 			spin_unlock(prev->lock);  in __i915_active_fence_set()
1084 			dma_fence_put(prev);  in __i915_active_fence_set()
1088 		prev = i915_active_fence_get(active);  in __i915_active_fence_set()
1089 		GEM_BUG_ON(prev == fence);  in __i915_active_fence_set()
1092 		if (prev)  in __i915_active_fence_set()
1093 			spin_lock_nested(prev->lock, SINGLE_DEPTH_NESTING);  in __i915_active_fence_set()
1108 	if (prev) {  in __i915_active_fence_set()
1110 		spin_unlock(prev->lock); /* serialise with prev->cb_list */  in __i915_active_fence_set()
1115 	return prev;  in __i915_active_fence_set()