diff --git a/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts b/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts
index 7f1473e60990..ac2d236a346f 100644
--- a/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts
+++ b/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts
@@ -162,7 +162,7 @@
 			compatible = "shared-dma-pool";
 			reusable;
 			status = "okay";
-			size = <0x68000000>;
+			size = <0x6800000>;
 			alignment = <0x400000>;
 		};
 		adapt_cma_reserved:linux,adapt_cma {
diff --git a/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts b/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts
index 0111c99d397f..92e3ee6c3df4 100644
--- a/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts
+++ b/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts
@@ -164,7 +164,7 @@
 			compatible = "shared-dma-pool";
 			reusable;
 			status = "okay";
-			size = <0x68000000>;
+			size = <0x6800000>;
 			alignment = <0x400000>;
 		};
 		adapt_cma_reserved:linux,adapt_cma {