diff --git a/arch/arm/configs/rk30_sdk_defconfig b/arch/arm/configs/rk30_sdk_defconfig
index 4df34e80a08d..5af39caf0d88 100644
--- a/arch/arm/configs/rk30_sdk_defconfig
+++ b/arch/arm/configs/rk30_sdk_defconfig
@@ -299,6 +299,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
 CONFIG_DISPLAY_SUPPORT=y
 CONFIG_LCD_B101EW05=y
 CONFIG_FB_ROCKCHIP=y
+CONFIG_DUAL_LCDC_DUAL_DISP_IN_KERNEL=y
 CONFIG_LCDC_RK30=y
 CONFIG_RK_HDMI=y
 CONFIG_HDMI_RK30=y