edp_info
struct edp_info edp1_info;
struct edp_info edp2_info;
ret = drm_edp_backlight_disable(aux, &backlight->edp_info);
drm_edp_backlight_enable(&nv_connector->aux, &backlight->edp_info,
ret = drm_edp_backlight_set_level(aux, &nv_bl->edp_info, bd->props.brightness);
ret = drm_edp_backlight_init(&nv_conn->aux, &bl->edp_info,
ret = drm_edp_backlight_enable(&nv_conn->aux, &bl->edp_info, current_level);
props->max_brightness = bl->edp_info.max;
struct drm_edp_backlight_info edp_info;