69 int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_getmagic()  argument
75 	mutex_lock(&dev->master_mutex);  in drm_getmagic()
83 	mutex_unlock(&dev->master_mutex);  in drm_getmagic()
91 int drm_authmagic(struct drm_device *dev, void *data,  in drm_authmagic()  argument
99 	mutex_lock(&dev->master_mutex);  in drm_authmagic()
105 	mutex_unlock(&dev->master_mutex);  in drm_authmagic()
110 struct drm_master *drm_master_create(struct drm_device *dev)  in drm_master_create()  argument
121 	master->dev = dev;  in drm_master_create()
132 static int drm_set_master(struct drm_device *dev, struct drm_file *fpriv,  in drm_set_master()  argument
137 	dev->master = drm_master_get(fpriv->master);  in drm_set_master()
138 	if (dev->driver->master_set) {  in drm_set_master()
139 		ret = dev->driver->master_set(dev, fpriv, new_master);  in drm_set_master()
141 			drm_master_put(&dev->master);  in drm_set_master()
148 static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)  in drm_new_set_master()  argument
153 	lockdep_assert_held_once(&dev->master_mutex);  in drm_new_set_master()
157 	fpriv->master = drm_master_create(dev);  in drm_new_set_master()
163 	if (dev->driver->master_create) {  in drm_new_set_master()
164 		ret = dev->driver->master_create(dev, fpriv->master);  in drm_new_set_master()
171 	ret = drm_set_master(dev, fpriv, true);  in drm_new_set_master()
189 int drm_setmaster_ioctl(struct drm_device *dev, void *data,  in drm_setmaster_ioctl()  argument
194 	mutex_lock(&dev->master_mutex);  in drm_setmaster_ioctl()
198 	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()
221 	mutex_unlock(&dev->master_mutex);  in drm_setmaster_ioctl()
225 static void drm_drop_master(struct drm_device *dev,  in drm_drop_master()  argument
228 	if (dev->driver->master_drop)  in drm_drop_master()
229 		dev->driver->master_drop(dev, fpriv);  in drm_drop_master()
230 	drm_master_put(&dev->master);  in drm_drop_master()
233 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,  in drm_dropmaster_ioctl()  argument
238 	mutex_lock(&dev->master_mutex);  in drm_dropmaster_ioctl()
242 	if (!dev->master)  in drm_dropmaster_ioctl()
252 	drm_drop_master(dev, file_priv);  in drm_dropmaster_ioctl()
254 	mutex_unlock(&dev->master_mutex);  in drm_dropmaster_ioctl()
260 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_open()  local
265 	mutex_lock(&dev->master_mutex);  in drm_master_open()
266 	if (!dev->master)  in drm_master_open()
267 		ret = drm_new_set_master(dev, file_priv);  in drm_master_open()
269 		file_priv->master = drm_master_get(dev->master);  in drm_master_open()
270 	mutex_unlock(&dev->master_mutex);  in drm_master_open()
277 	struct drm_device *dev = file_priv->minor->dev;  in drm_master_release()  local
280 	mutex_lock(&dev->master_mutex);  in drm_master_release()
287 	drm_legacy_lock_master_cleanup(dev, master);  in drm_master_release()
289 	if (dev->master == file_priv->master)  in drm_master_release()
290 		drm_drop_master(dev, file_priv);  in drm_master_release()
292 	if (drm_core_check_feature(dev, DRIVER_MODESET) && file_priv->is_master) {  in drm_master_release()
302 	mutex_unlock(&dev->master_mutex);  in drm_master_release()
317 	return fpriv->is_master && drm_lease_owner(fpriv->master) == fpriv->minor->dev->master;  in drm_is_current_master()
337 	struct drm_device *dev = master->dev;  in drm_master_destroy()  local
339 	if (drm_core_check_feature(dev, DRIVER_MODESET))  in drm_master_destroy()
342 	if (dev->driver->master_destroy)  in drm_master_destroy()
343 		dev->driver->master_destroy(dev, master);  in drm_master_destroy()
345 	drm_legacy_master_rmmaps(dev, master);  in drm_master_destroy()
375 bool drm_master_internal_acquire(struct drm_device *dev)  in drm_master_internal_acquire()  argument
377 	mutex_lock(&dev->master_mutex);  in drm_master_internal_acquire()
378 	if (dev->master) {  in drm_master_internal_acquire()
379 		mutex_unlock(&dev->master_mutex);  in drm_master_internal_acquire()
388 void drm_master_internal_release(struct drm_device *dev)  in drm_master_internal_release()  argument
390 	mutex_unlock(&dev->master_mutex);  in drm_master_internal_release()