diff --git a/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts b/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts
index 13f2e61bf68554e3c2a08b47cfcf32cf0a47125b..3c360d402e3f04631ebe602f76941d902d157e72 100644
--- a/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts
+++ b/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts
@@ -31,6 +31,17 @@ memory@00{
 		reg = <0x0 0x80000000 0x2 0x00000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		display_reserved: share@f4000000 {
+			no-map;
+			reg = <0x00 0xf4000000 0x0 0x4000000>;
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		sysled {
@@ -218,6 +229,7 @@ &macb1 {
 };
 
 &dc0 {
+	memory-region = <&display_reserved>;
 	pipe_mask = /bits/ 8 <0x1>;
 	edp_mask = /bits/ 8 <0x0>;
 	status = "okay";