58 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
63 	mutex_lock(&dev->master_mutex);  in drm_getmagic()
71 	mutex_unlock(&dev->master_mutex);  in drm_getmagic()
78 int drm_authmagic(struct drm_device *dev, void *data,  in drm_authmagic()  argument
86 	mutex_lock(&dev->master_mutex);  in drm_authmagic()
92 	mutex_unlock(&dev->master_mutex);  in drm_authmagic()
97 struct drm_master *drm_master_create(struct drm_device *dev)  in drm_master_create()  argument
109 	master->dev = dev;  in drm_master_create()
122 static int drm_set_master(struct drm_device *dev, struct drm_file *fpriv,  in drm_set_master()  argument
127 	dev->master = drm_master_get(fpriv->master);  in drm_set_master()
128 	if (dev->driver->master_set) {  in drm_set_master()
129 		ret = dev->driver->master_set(dev, fpriv, new_master);  in drm_set_master()
131 			drm_master_put(&dev->master);  in drm_set_master()
138 static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)  in drm_new_set_master()  argument
144 	lockdep_assert_held_once(&dev->master_mutex);  in drm_new_set_master()
148 	fpriv->master = drm_master_create(dev);  in drm_new_set_master()
154 	if (dev->driver->master_create) {  in drm_new_set_master()
155 		ret = dev->driver->master_create(dev, fpriv->master);  in drm_new_set_master()
162 	ret = drm_set_master(dev, fpriv, true);  in drm_new_set_master()
179 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
184 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
195 	if (dev->master) {  in drm_setmaster_ioctl()
209 		ret = drm_new_set_master(dev, file_priv);  in drm_setmaster_ioctl()
219 	ret = drm_set_master(dev, file_priv, false);  in drm_setmaster_ioctl()
222 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
226 static void drm_drop_master(struct drm_device *dev,  in drm_drop_master()  argument
229 	if (dev->driver->master_drop)  in drm_drop_master()
230 		dev->driver->master_drop(dev, fpriv);  in drm_drop_master()
231 	drm_master_put(&dev->master);  in drm_drop_master()
234 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
240 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
244 	if (!dev->master)  in drm_dropmaster_ioctl()
254 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
256 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
262 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()  local
267 	mutex_lock(&dev->master_mutex);  in drm_master_open()
268 	if (!dev->master)  in drm_master_open()
269 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
271 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
272 	mutex_unlock(&dev->master_mutex);  in drm_master_open()
279 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()  local
282 	mutex_lock(&dev->master_mutex);  in drm_master_release()
289 	if (drm_core_check_feature(dev, DRIVER_LEGACY)) {  in drm_master_release()
294 		mutex_lock(&dev->struct_mutex);  in drm_master_release()
296 			if (dev->sigdata.lock == master->lock.hw_lock)  in drm_master_release()
297 				dev->sigdata.lock = NULL;  in drm_master_release()
302 		mutex_unlock(&dev->struct_mutex);  in drm_master_release()
305 	if (dev->master == file_priv->master)  in drm_master_release()
306 		drm_drop_master(dev, file_priv);  in drm_master_release()
308 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
318 	mutex_unlock(&dev->master_mutex);  in drm_master_release()
353 	struct drm_device *dev = master->dev;  in drm_master_destroy()  local
355 	if (drm_core_check_feature(dev, DRIVER_MODESET))  in drm_master_destroy()
358 	if (dev->driver->master_destroy)  in drm_master_destroy()
359 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
361 	drm_legacy_master_rmmaps(dev, master);  in drm_master_destroy()