diff --git a/arch/arm/boot/dts/amlogic/gxl_p241_1g.dts b/arch/arm/boot/dts/amlogic/gxl_p241_1g.dts
index 231cbd3ce661..32b7b7def651 100644
--- a/arch/arm/boot/dts/amlogic/gxl_p241_1g.dts
+++ b/arch/arm/boot/dts/amlogic/gxl_p241_1g.dts
@@ -110,7 +110,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x4C00000>;
+			size = <0x2400000>;
 			alignment = <0x400000>;
 			alloc-ranges = <0x0 0x30000000>;
 		};
diff --git a/arch/arm/boot/dts/amlogic/gxl_p241_v2-1g.dts b/arch/arm/boot/dts/amlogic/gxl_p241_v2-1g.dts
index a312a66ae631..cb79f871765c 100644
--- a/arch/arm/boot/dts/amlogic/gxl_p241_v2-1g.dts
+++ b/arch/arm/boot/dts/amlogic/gxl_p241_v2-1g.dts
@@ -111,7 +111,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x4C00000>;
+			size = <0x2400000>;
 			alignment = <0x400000>;
 			alloc-ranges = <0x0 0x30000000>;
 		};
diff --git a/arch/arm/boot/dts/amlogic/txl_t962_p321_720p.dts b/arch/arm/boot/dts/amlogic/txl_t962_p321_720p.dts
index 5548335d502f..d961b2423ba8 100644
--- a/arch/arm/boot/dts/amlogic/txl_t962_p321_720p.dts
+++ b/arch/arm/boot/dts/amlogic/txl_t962_p321_720p.dts
@@ -97,7 +97,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x4C00000>;
+			size = <0x2400000>;
 			alignment = <0x400000>;
 			/* alloc by self */
 			alloc-ranges = <0x0 0x30000000>;
diff --git a/arch/arm/boot/dts/amlogic/txlx_t962x_r311_720p.dts b/arch/arm/boot/dts/amlogic/txlx_t962x_r311_720p.dts
index acf5016e8e3c..eccb9cb8b13f 100644
--- a/arch/arm/boot/dts/amlogic/txlx_t962x_r311_720p.dts
+++ b/arch/arm/boot/dts/amlogic/txlx_t962x_r311_720p.dts
@@ -95,7 +95,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x4C00000>;
+			size = <0x2400000>;
 			alignment = <0x400000>;
 			alloc-ranges = <0x0 0x30000000>;
 		};
diff --git a/arch/arm64/boot/dts/amlogic/gxl_p241_1g.dts b/arch/arm64/boot/dts/amlogic/gxl_p241_1g.dts
index 5f28a27acea4..3484cfa16541 100644
--- a/arch/arm64/boot/dts/amlogic/gxl_p241_1g.dts
+++ b/arch/arm64/boot/dts/amlogic/gxl_p241_1g.dts
@@ -100,7 +100,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x0 0x4C00000>;
+			size = <0x0 0x2400000>;
 			alignment = <0x0 0x400000>;
 		};
 
diff --git a/arch/arm64/boot/dts/amlogic/gxl_p241_v2-1g.dts b/arch/arm64/boot/dts/amlogic/gxl_p241_v2-1g.dts
index 2493b0e884a0..b96331146c44 100644
--- a/arch/arm64/boot/dts/amlogic/gxl_p241_v2-1g.dts
+++ b/arch/arm64/boot/dts/amlogic/gxl_p241_v2-1g.dts
@@ -101,7 +101,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x0 0x4C00000>;
+			size = <0x0 0x2400000>;
 			alignment = <0x0 0x400000>;
 		};
 
diff --git a/arch/arm64/boot/dts/amlogic/txl_t962_p321_720p.dts b/arch/arm64/boot/dts/amlogic/txl_t962_p321_720p.dts
index 8e154af23a53..ce7bea90cd69 100644
--- a/arch/arm64/boot/dts/amlogic/txl_t962_p321_720p.dts
+++ b/arch/arm64/boot/dts/amlogic/txl_t962_p321_720p.dts
@@ -86,7 +86,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x0 0x4C00000>;
+			size = <0x0 0x2400000>;
 			alignment = <0x0 0x400000>;
 		};
 
diff --git a/arch/arm64/boot/dts/amlogic/txlx_t962x_r311_720p.dts b/arch/arm64/boot/dts/amlogic/txlx_t962x_r311_720p.dts
index cf64903df85b..b838d0966d7b 100644
--- a/arch/arm64/boot/dts/amlogic/txlx_t962x_r311_720p.dts
+++ b/arch/arm64/boot/dts/amlogic/txlx_t962x_r311_720p.dts
@@ -97,7 +97,7 @@
 		ion_reserved:linux,ion-dev {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x0 0x4C00000>;
+			size = <0x0 0x2400000>;
 			alignment = <0x0 0x400000>;
 		};