95  * Need to ensure a channel is selected before submitting URBs
138 	urb->transfer_buffer_length = udl->urbs.size; /* reset to actual */  in udl_urb_completion()
140 	spin_lock_irqsave(&udl->urbs.lock, flags);  in udl_urb_completion()
141 	list_add_tail(&unode->entry, &udl->urbs.list);  in udl_urb_completion()
142 	udl->urbs.available++;  in udl_urb_completion()
143 	spin_unlock_irqrestore(&udl->urbs.lock, flags);  in udl_urb_completion()
145 	wake_up(&udl->urbs.sleep);  in udl_urb_completion()
154 	DRM_DEBUG("Waiting for completes and freeing all render urbs\n");  in udl_free_urb_list()
157 	while (udl->urbs.count) {  in udl_free_urb_list()
158 		spin_lock_irq(&udl->urbs.lock);  in udl_free_urb_list()
160 		udl->urbs.count--;  in udl_free_urb_list()
161 		spin_unlock_irq(&udl->urbs.lock);  in udl_free_urb_list()
166 		usb_free_coherent(urb->dev, udl->urbs.size,  in udl_free_urb_list()
172 	wake_up_all(&udl->urbs.sleep);  in udl_free_urb_list()
184 	spin_lock_init(&udl->urbs.lock);  in udl_alloc_urb_list()
185 	INIT_LIST_HEAD(&udl->urbs.list);  in udl_alloc_urb_list()
186 	init_waitqueue_head(&udl->urbs.sleep);  in udl_alloc_urb_list()
187 	udl->urbs.count = 0;  in udl_alloc_urb_list()
188 	udl->urbs.available = 0;  in udl_alloc_urb_list()
191 	udl->urbs.size = size;  in udl_alloc_urb_list()
193 	while (udl->urbs.count * size < wanted_size) {  in udl_alloc_urb_list()
224 		list_add_tail(&unode->entry, &udl->urbs.list);  in udl_alloc_urb_list()
226 		udl->urbs.count++;  in udl_alloc_urb_list()
227 		udl->urbs.available++;  in udl_alloc_urb_list()
230 	DRM_DEBUG("allocated %d %d byte urbs\n", udl->urbs.count, (int) size);  in udl_alloc_urb_list()
232 	return udl->urbs.count;  in udl_alloc_urb_list()
239 	assert_spin_locked(&udl->urbs.lock);  in udl_get_urb_locked()
242 	if (!wait_event_lock_irq_timeout(udl->urbs.sleep,  in udl_get_urb_locked()
243 					 !udl->urbs.count ||  in udl_get_urb_locked()
244 					 !list_empty(&udl->urbs.list),  in udl_get_urb_locked()
245 					 udl->urbs.lock, timeout)) {  in udl_get_urb_locked()
247 			 udl->urbs.available);  in udl_get_urb_locked()
251 	if (!udl->urbs.count)  in udl_get_urb_locked()
254 	unode = list_first_entry(&udl->urbs.list, struct urb_node, entry);  in udl_get_urb_locked()
256 	udl->urbs.available--;  in udl_get_urb_locked()
267 	spin_lock_irq(&udl->urbs.lock);  in udl_get_urb()
269 	spin_unlock_irq(&udl->urbs.lock);  in udl_get_urb()
278 	if (WARN_ON(len > udl->urbs.size)) {  in udl_submit_urb()
292 /* wait until all pending URBs have been processed */
297 	spin_lock_irq(&udl->urbs.lock);  in udl_sync_pending_urbs()
299 	if (!wait_event_lock_irq_timeout(udl->urbs.sleep,  in udl_sync_pending_urbs()
300 					 udl->urbs.available == udl->urbs.count,  in udl_sync_pending_urbs()
301 					 udl->urbs.lock,  in udl_sync_pending_urbs()
303 		drm_err(dev, "Timeout for syncing pending URBs\n");  in udl_sync_pending_urbs()
304 	spin_unlock_irq(&udl->urbs.lock);  in udl_sync_pending_urbs()
344 	if (udl->urbs.count)  in udl_init()