drm/i915/i915_scheduler.c

160 	struct i915_dependency *dep, *p;
180 	 *	list_for_each_entry(dep, &node->signalers_list, signal_link)
181 	 *		update_priorities(dep->signal, prio)
193 	list_for_each_entry(dep, &dfs, dfs_link) {
194 		struct i915_sched_node *node = dep->signaler;
207 			GEM_BUG_ON(p == dep); /* no cycles! */
239 	list_for_each_entry_safe_reverse(dep, p, &dfs, dfs_link) {
240 		struct i915_request *from = container_of(dep->signaler,
243 		INIT_LIST_HEAD(&dep->dfs_link);
245 		node = dep->signaler;
323 i915_dependency_free(struct i915_dependency *dep)
325 	kmem_cache_free(slab_dependencies, dep);
330 				      struct i915_dependency *dep,
338 		INIT_LIST_HEAD(&dep->dfs_link);
339 		dep->signaler = signal;
340 		dep->waiter = node;
341 		dep->flags = flags;
344 		list_add_rcu(&dep->signal_link, &node->signalers_list);
345 		list_add_rcu(&dep->wait_link, &signal->waiters_list);
361 	struct i915_dependency *dep;
363 	dep = i915_dependency_alloc();
364 	if (!dep)
367 	if (!__i915_sched_node_add_dependency(node, signal, dep,
369 		i915_dependency_free(dep);
376 	struct i915_dependency *dep, *tmp;
386 	list_for_each_entry_safe(dep, tmp, &node->signalers_list, signal_link) {
387 		GEM_BUG_ON(!list_empty(&dep->dfs_link));
389 		list_del_rcu(&dep->wait_link);
390 		if (dep->flags & I915_DEPENDENCY_ALLOC)
391 			i915_dependency_free(dep);
396 	list_for_each_entry_safe(dep, tmp, &node->waiters_list, wait_link) {
397 		GEM_BUG_ON(dep->signaler != node);
398 		GEM_BUG_ON(!list_empty(&dep->dfs_link));
400 		list_del_rcu(&dep->signal_link);
401 		if (dep->flags & I915_DEPENDENCY_ALLOC)
402 			i915_dependency_free(dep);
414 	struct i915_dependency *dep;
421 	for_each_signaler(dep, rq) {
423 			node_to_request(dep->signaler);