diff --git a/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts b/arch/arm64/boot/dts/phytium/phytiumpi_firefly.dts
index 3f4b3202c019595d816d8d7ab0eba50bea7df76d..b4a984dd3b1432ac5569d1ddf175cf32d9b8155b 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";