9995 static struct drm_privacy_screen *lcdshadow_dev;  variable
10045 	lcdshadow_dev = drm_privacy_screen_register(&tpacpi_pdev->dev,  in tpacpi_lcdshadow_init()
10047 	if (IS_ERR(lcdshadow_dev))  in tpacpi_lcdshadow_init()
10048 		return PTR_ERR(lcdshadow_dev);  in tpacpi_lcdshadow_init()
10055 	drm_privacy_screen_unregister(lcdshadow_dev);  in lcdshadow_exit()
10060 	if (!lcdshadow_dev)  in lcdshadow_resume()
10063 	mutex_lock(&lcdshadow_dev->lock);  in lcdshadow_resume()
10064 	lcdshadow_set_sw_state(lcdshadow_dev, lcdshadow_dev->sw_state);  in lcdshadow_resume()
10065 	mutex_unlock(&lcdshadow_dev->lock);  in lcdshadow_resume()
10070 	if (!lcdshadow_dev) {  in lcdshadow_read()
10073 		seq_printf(m, "status:\t\t%d\n", lcdshadow_dev->hw_state);  in lcdshadow_read()
10085 	if (!lcdshadow_dev)  in lcdshadow_write()
10097 	mutex_lock(&lcdshadow_dev->lock);  in lcdshadow_write()
10098 	res = lcdshadow_set_sw_state(lcdshadow_dev, state);  in lcdshadow_write()
10099 	mutex_unlock(&lcdshadow_dev->lock);  in lcdshadow_write()
10101 	drm_privacy_screen_call_notifier_chain(lcdshadow_dev);  in lcdshadow_write()
11176 		if (lcdshadow_dev) {  in tpacpi_driver_event()
11180 			mutex_lock(&lcdshadow_dev->lock);  in tpacpi_driver_event()
11181 			old_hw_state = lcdshadow_dev->hw_state;  in tpacpi_driver_event()
11182 			lcdshadow_get_hw_state(lcdshadow_dev);  in tpacpi_driver_event()
11183 			changed = lcdshadow_dev->hw_state != old_hw_state;  in tpacpi_driver_event()
11184 			mutex_unlock(&lcdshadow_dev->lock);  in tpacpi_driver_event()
11187 				drm_privacy_screen_call_notifier_chain(lcdshadow_dev);  in tpacpi_driver_event()