46 static void drm_flip_work_queue_task(struct drm_flip_work *work, struct drm_flip_task *task)  in drm_flip_work_queue_task()  argument
50 	spin_lock_irqsave(&work->lock, flags);  in drm_flip_work_queue_task()
51 	list_add_tail(&task->node, &work->queued);  in drm_flip_work_queue_task()
52 	spin_unlock_irqrestore(&work->lock, flags);  in drm_flip_work_queue_task()
56  * drm_flip_work_queue - queue work
57  * @work: the flip-work
60  * Queues work, that will later be run (passed back to drm_flip_func_t
61  * func) on a work queue after drm_flip_work_commit() is called.
63 void drm_flip_work_queue(struct drm_flip_work *work, void *val)  in drm_flip_work_queue()  argument
70 		drm_flip_work_queue_task(work, task);  in drm_flip_work_queue()
72 		DRM_ERROR("%s could not allocate task!\n", work->name);  in drm_flip_work_queue()
73 		work->func(work, val);  in drm_flip_work_queue()
79  * drm_flip_work_commit - commit queued work
80  * @work: the flip-work
81  * @wq: the work-queue to run the queued work on
83  * Trigger work previously queued by drm_flip_work_queue() to run
84  * on a workqueue.  The typical usage would be to queue work (via
86  * prior), and then from vblank irq commit the queued work.
88 void drm_flip_work_commit(struct drm_flip_work *work,  in drm_flip_work_commit()  argument
93 	spin_lock_irqsave(&work->lock, flags);  in drm_flip_work_commit()
94 	list_splice_tail(&work->queued, &work->commited);  in drm_flip_work_commit()
95 	INIT_LIST_HEAD(&work->queued);  in drm_flip_work_commit()
96 	spin_unlock_irqrestore(&work->lock, flags);  in drm_flip_work_commit()
97 	queue_work(wq, &work->worker);  in drm_flip_work_commit()
103 	struct drm_flip_work *work = container_of(w, struct drm_flip_work, worker);  in flip_worker()  local
111 		spin_lock_irqsave(&work->lock, flags);  in flip_worker()
112 		list_splice_tail(&work->commited, &tasks);  in flip_worker()
113 		INIT_LIST_HEAD(&work->commited);  in flip_worker()
114 		spin_unlock_irqrestore(&work->lock, flags);  in flip_worker()
120 			work->func(work, task->data);  in flip_worker()
127  * drm_flip_work_init - initialize flip-work
128  * @work: the flip-work to initialize
130  * @func: the callback work function
132  * Initializes/allocates resources for the flip-work
134 void drm_flip_work_init(struct drm_flip_work *work,  in drm_flip_work_init()  argument
137 	work->name = name;  in drm_flip_work_init()
138 	INIT_LIST_HEAD(&work->queued);  in drm_flip_work_init()
139 	INIT_LIST_HEAD(&work->commited);  in drm_flip_work_init()
140 	spin_lock_init(&work->lock);  in drm_flip_work_init()
141 	work->func = func;  in drm_flip_work_init()
143 	INIT_WORK(&work->worker, flip_worker);  in drm_flip_work_init()
148  * drm_flip_work_cleanup - cleans up flip-work
149  * @work: the flip-work to cleanup
151  * Destroy resources allocated for the flip-work
153 void drm_flip_work_cleanup(struct drm_flip_work *work)  in drm_flip_work_cleanup()  argument
155 	WARN_ON(!list_empty(&work->queued) || !list_empty(&work->commited));  in drm_flip_work_cleanup()