DRM_SWITCH_POWER_DYNAMIC_OFF
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF)
drm->dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
drm->dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
drm->dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
drm->dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
drm->dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;