DRM_SWITCH_POWER_DYNAMIC_OFF
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
if (dev->switch_power_state != DRM_SWITCH_POWER_ON && dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF)
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;