diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android-lp4.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android-lp4.dts
index 1cb3f0f54b34..3bbe52392792 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android-lp4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb-rev3-android-lp4.dts
@@ -22,6 +22,7 @@
 
 &dmac_bus {
 	iram = <&iram>;
+	rockchip,force-iram;
 };
 
 &dsi {