diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-disvr.dts b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-disvr.dts
index afead637cdc4..ba077312a269 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-disvr.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire-excavator-disvr.dts
@@ -67,6 +67,7 @@
 	status = "okay";
 	extcon = <&fusb0>;
 	dp_vop_sel = <DISPLAY_SOURCE_LCDC0>;
+	dp_defaultmode = <0>;
 };
 
 &cdn_dp_sound {