DRM_DEV_INFO
DRM_DEV_INFO(panel->dev, "DP AUX backlight is not supported\n");
DRM_DEV_INFO(panel->dev, "failed to enable backlight: %d\n",
DRM_DEV_INFO(panel->dev, "failed to disable backlight: %d\n",
DRM_DEV_INFO(dev, fmt, ##__VA_ARGS__); \