diff --git a/arch/arm64/boot/dts/phytium/e2000q-miniitx-board.dts b/arch/arm64/boot/dts/phytium/e2000q-miniitx-board.dts
index 6829a30793d7ff01b93713c3bded0e24f9f8b163..d4ff241f611f384f867237b97f89d9c5652ece4f 100644
--- a/arch/arm64/boot/dts/phytium/e2000q-miniitx-board.dts
+++ b/arch/arm64/boot/dts/phytium/e2000q-miniitx-board.dts
@@ -14,7 +14,7 @@
 
 /dts-v1/;
 /memreserve/ 0x80000000 0x10000;
-/memreserve/ 0xf4000000 0x4000000;
+
 
 #include "pe2204.dtsi"
 
@@ -38,6 +38,19 @@ memory@00{
 		reg = <0x0 0x80000000 0x2 0x00000000>;
 	};
 
+	reserved-memory {
+				#address-cells = <2>;
+				#size-cells = <2>;
+				ranges;
+				
+				phytium_display_reserved: share@0xf4000000 {
+					compatible = "phytium-display-carveout-mem";
+					device_type = "display";
+					reg = <0x00 0xf4000000 0x0 0x4000000>; 
+					status = "okay";            
+				};
+	};
+  
 	sound_card: sound {
         compatible = "simple-audio-card";
         simple-audio-card,format = "i2s";
@@ -219,8 +232,8 @@ &macb2 {
 };
 
 &dc0 {
-        reg = <0x0 0x32000000 0x0 0x8000>,
-              <0x0 0xf4000000 0x0 0x4000000>; // (optional)
+    reg = <0x0 0x32000000 0x0 0x8000>;
+	dc-memory-region = <&phytium_display_reserved>;
 	pipe_mask = [03];
 	edp_mask = [00];
 	status = "okay";
diff --git a/drivers/gpu/drm/phytium/phytium_platform.c b/drivers/gpu/drm/phytium/phytium_platform.c
index 27815ecc9c500733d725a55a5b9f42bb62b1bbba..6efddfa4bfc0fe11382d0d43a5d41aa39cf7836e 100644
--- a/drivers/gpu/drm/phytium/phytium_platform.c
+++ b/drivers/gpu/drm/phytium/phytium_platform.c
@@ -6,6 +6,7 @@
  */
 
 #include <linux/of_device.h>
+#include <linux/of_address.h>
 #include <linux/acpi.h>
 #include <drm/drm_drv.h>
 #include <linux/dma-mapping.h>
@@ -19,14 +20,38 @@
 int phytium_platform_carveout_mem_init(struct platform_device *pdev,
 						      struct phytium_display_private *priv)
 {
-	struct resource *res;
-	int ret = 0;
+   	struct device_node *np;
+    struct resource res, *mem_region;
+    int ret = 0;
+
+    if (!pdev->dev.of_node) {
+        DRM_ERROR("This driver must be probed from devicetree!\n");
+        return -EINVAL;
+    }
+
+    np = of_parse_phandle(pdev->dev.of_node, "dc-memory-region", 0);
+    if(!np) {
+        DRM_ERROR("No %s specified\n", "dc-memory-region");
+        return -EINVAL; 
+    }
+
+    ret = of_address_to_resource(np, 0, &res);
+    if(ret) {
+        DRM_ERROR("No memory address assigned to the region\n");
+        return ret;     
+    }
+
+    mem_region = request_mem_region(res.start, resource_size(&res), "phytium-display");
+    if (!mem_region) {
+        DRM_WARN("Failed to request reserved memory\n");
+        priv->pool_size = resource_size(&res);
+        priv->pool_phys_addr = res.start;
+    }
+    else {
+        priv->pool_size = resource_size(mem_region);
+        priv->pool_phys_addr = mem_region->start;
+    }
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res) {
-		priv->pool_size = resource_size(res);
-		priv->pool_phys_addr = res->start;
-	}
 
 	if ((priv->pool_phys_addr != 0) && (priv->pool_size != 0)) {
 		priv->pool_virt_addr = ioremap_cache(priv->pool_phys_addr, priv->pool_size);
@@ -54,6 +79,9 @@ int phytium_platform_carveout_mem_init(struct platform_device *pdev,
 failed_init_memory_pool:
 	iounmap(priv->pool_virt_addr);
 failed_ioremap:
+    if (mem_region)
+        release_mem_region(mem_region->start, resource_size(mem_region));
+
 	return ret;
 }