43 			   DRM_STRUCTPROC *p, struct drm_device *dev);
45 static int drm_setup(struct drm_device * dev)  in drm_setup()  argument
50 	if (dev->driver->firstopen) {  in drm_setup()
51 		ret = dev->driver->firstopen(dev);  in drm_setup()
56 	atomic_set(&dev->ioctl_count, 0);  in drm_setup()
57 	atomic_set(&dev->vma_count, 0);  in drm_setup()
59 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&  in drm_setup()
60 	    !drm_core_check_feature(dev, DRIVER_MODESET)) {  in drm_setup()
61 		dev->buf_use = 0;  in drm_setup()
62 		atomic_set(&dev->buf_alloc, 0);  in drm_setup()
64 		i = drm_dma_setup(dev);  in drm_setup()
74 	for (i = 0; i < ARRAY_SIZE(dev->counts); i++)  in drm_setup()
75 		atomic_set(&dev->counts[i], 0);  in drm_setup()
78 	dev->sigdata.lock = NULL;  in drm_setup()
80 	dev->context_flag = 0;  in drm_setup()
81 	dev->interrupt_flag = 0;  in drm_setup()
82 	dev->dma_flag = 0;  in drm_setup()
83 	dev->last_context = 0;  in drm_setup()
84 	dev->last_switch = 0;  in drm_setup()
85 	dev->last_checked = 0;  in drm_setup()
86 	DRM_INIT_WAITQUEUE(&dev->context_wait);  in drm_setup()
87 	dev->if_version = 0;  in drm_setup()
90 	dev->ctx_start = 0;  in drm_setup()
91 	dev->lck_start = 0;  in drm_setup()
93 	dev->buf_async = NULL;  in drm_setup()
94 	DRM_INIT_WAITQUEUE(&dev->buf_readers);  in drm_setup()
95 	DRM_INIT_WAITQUEUE(&dev->buf_writers);  in drm_setup()
124 	struct drm_device *dev = NULL;  in drm_open()  local
133 	if (!(dev = minor->dev))  in drm_open()
142 	if (!dev->open_count++)  in drm_open()
145 	retcode = drm_open_helper(kdev, flags, fmt, p, dev);  in drm_open()
150 	atomic_inc(&dev->counts[_DRM_STAT_OPENS]);  in drm_open()
152 		retcode = drm_setup(dev);  in drm_open()
161 	device_unbusy(dev->dev);  in drm_open()
163 	dev->open_count--;  in drm_open()
181 			   DRM_STRUCTPROC *p, struct drm_device *dev)  in drm_open_helper()  argument
188 	if (dev->switch_power_state != DRM_SWITCH_POWER_ON)  in drm_open_helper()
210 	if (dev->driver->driver_features & DRIVER_GEM)  in drm_open_helper()
211 		drm_gem_open(dev, priv);  in drm_open_helper()
214 	if (drm_core_check_feature(dev, DRIVER_PRIME))  in drm_open_helper()
218 	if (dev->driver->open) {  in drm_open_helper()
219 		ret = dev->driver->open(dev, priv);  in drm_open_helper()
226 	DRM_LOCK(dev);  in drm_open_helper()
231 			DRM_UNLOCK(dev);  in drm_open_helper()
242 		DRM_UNLOCK(dev);  in drm_open_helper()
243 		if (dev->driver->master_create) {  in drm_open_helper()
244 			ret = dev->driver->master_create(dev, priv->master);  in drm_open_helper()
246 				DRM_LOCK(dev);  in drm_open_helper()
250 				DRM_UNLOCK(dev);  in drm_open_helper()
254 		DRM_LOCK(dev);  in drm_open_helper()
255 		if (dev->driver->master_set) {  in drm_open_helper()
256 			ret = dev->driver->master_set(dev, priv, true);  in drm_open_helper()
261 				DRM_UNLOCK(dev);  in drm_open_helper()
265 		DRM_UNLOCK(dev);  in drm_open_helper()
269 		DRM_UNLOCK(dev);  in drm_open_helper()
272 	DRM_LOCK(dev);  in drm_open_helper()
273 	list_add(&priv->lhead, &dev->filelist);  in drm_open_helper()
274 	DRM_UNLOCK(dev);  in drm_open_helper()
277 	device_busy(dev->dev);  in drm_open_helper()
290 static void drm_master_release(struct drm_device *dev, struct drm_file *file_priv)  in drm_master_release()  argument
293 	if (drm_i_have_hw_lock(dev, file_priv)) {  in drm_master_release()
303 	struct drm_device *dev = file_priv->minor->dev;  in drm_events_release()  local
308 	DRM_SPINLOCK_IRQSAVE(&dev->event_lock, flags);  in drm_events_release()
311 	list_for_each_entry_safe(v, vt, &dev->vblank_event_list, base.link)  in drm_events_release()
314 			drm_vblank_put(dev, v->pipe);  in drm_events_release()
322 	DRM_SPINUNLOCK_IRQRESTORE(&dev->event_lock, flags);  in drm_events_release()
340 	struct drm_device *dev = file_priv->minor->dev;  in drm_release()  local
344 	DRM_DEBUG("open_count = %d\n", dev->open_count);  in drm_release()
346 	if (dev->driver->preclose)  in drm_release()
347 		dev->driver->preclose(dev, file_priv);  in drm_release()
356 		  dev->open_count);  in drm_release()
365 		drm_master_release(dev, file_priv);  in drm_release()
367 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))  in drm_release()
368 		drm_core_reclaim_buffers(dev, file_priv);  in drm_release()
374 	if (dev->driver->driver_features & DRIVER_MODESET)  in drm_release()
377 	if (dev->driver->driver_features & DRIVER_GEM)  in drm_release()
378 		drm_gem_release(dev, file_priv);  in drm_release()
381 	mutex_lock(&dev->ctxlist_mutex);  in drm_release()
382 	if (!list_empty(&dev->ctxlist)) {  in drm_release()
385 		list_for_each_entry_safe(pos, n, &dev->ctxlist, head) {  in drm_release()
388 				if (dev->driver->context_dtor)  in drm_release()
389 					dev->driver->context_dtor(dev,  in drm_release()
392 				drm_ctxbitmap_free(dev, pos->handle);  in drm_release()
396 				--dev->ctx_count;  in drm_release()
400 	mutex_unlock(&dev->ctxlist_mutex);  in drm_release()
403 	DRM_LOCK(dev);  in drm_release()
408 		list_for_each_entry(temp, &dev->filelist, lhead) {  in drm_release()
420 			if (dev->sigdata.lock == master->lock.hw_lock)  in drm_release()
421 				dev->sigdata.lock = NULL;  in drm_release()
429 			if (dev->driver->master_drop)  in drm_release()
430 				dev->driver->master_drop(dev, file_priv, true);  in drm_release()
439 	DRM_UNLOCK(dev);  in drm_release()
441 	if (dev->driver->postclose)  in drm_release()
442 		dev->driver->postclose(dev, file_priv);  in drm_release()
445 	if (drm_core_check_feature(dev, DRIVER_PRIME))  in drm_release()
455 	atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);  in drm_release()
457 	device_unbusy(dev->dev);  in drm_release()
459 	if (!--dev->open_count) {  in drm_release()
460 		if (atomic_read(&dev->ioctl_count)) {  in drm_release()
462 				  atomic_read(&dev->ioctl_count));  in drm_release()
464 			drm_lastclose(dev);  in drm_release()
502 	struct drm_device *dev;  in drm_read()  local
512 	dev = drm_get_device_from_kdev(kdev);  in drm_read()
513 	mtx_lock(&dev->event_lock);  in drm_read()
519 		error = msleep(&file_priv->event_space, &dev->event_lock,  in drm_read()
526 		mtx_unlock(&dev->event_lock);  in drm_read()
534 		mtx_lock(&dev->event_lock);  in drm_read()
538 	mtx_unlock(&dev->event_lock);  in drm_read()
547 	struct drm_device *dev;  in drm_event_wakeup()  local
550 	dev = file_priv->minor->dev;  in drm_event_wakeup()
551 	mtx_assert(&dev->event_lock, MA_OWNED);  in drm_event_wakeup()
561 	struct drm_device *dev;  in drm_poll()  local
570 	dev = drm_get_device_from_kdev(kdev);  in drm_poll()
573 	mtx_lock(&dev->event_lock);  in drm_poll()
583 	mtx_unlock(&dev->event_lock);  in drm_poll()
592 	struct drm_device *dev;  in drm_mmap_single()  local
594 	dev = drm_get_device_from_kdev(kdev);  in drm_mmap_single()
595 	if (dev->drm_ttm_bdev != NULL) {  in drm_mmap_single()
596 		return (-ttm_bo_mmap_single(dev->drm_ttm_bdev, offset, size,  in drm_mmap_single()
598 	} else if ((dev->driver->driver_features & DRIVER_GEM) != 0) {  in drm_mmap_single()
599 		return (-drm_gem_mmap_single(dev, offset, size, obj_res, nprot));  in drm_mmap_single()