diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index c366acbc9111..392026378dcc 100755
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -757,7 +757,7 @@
 		compatible = "rockchip,rk3288-lcdc";
 		rockchip,prop = <PRMRY>;
 		rockchip,pwr18 = <0>;
-		rockchip,iommu-enabled = <1>;
+		rockchip,iommu-enabled = <0>;
 		reg = <0xff930000 0x10000>;
 		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
 		pinctrl-names = "default", "gpio";
@@ -772,7 +772,7 @@
 		compatible = "rockchip,rk3288-lcdc";
 		rockchip,prop = <EXTEND>;
 		rochchip,pwr18 = <0>;
-		rockchip,iommu-enabled = <1>;
+		rockchip,iommu-enabled = <0>;
 		reg = <0xff940000 0x10000>;
 		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";