diff --git a/arch/arm64/boot/dts/rockchip/rk3366-tb.dts b/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
index 4a8b3a84fbf0..0e5e3a5bb2cb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3366-tb.dts
@@ -646,6 +646,11 @@
 	status = "okay";
 };
 
+&hdmi {
+	status = "okay";
+	rockchip,hdmi_video_source = <DISPLAY_SOURCE_LCDC1>;
+};
+
 &vop_lite {
 	status = "okay";
 	rockchip,prop = <EXTEND>;