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 406e5d31d337..967d5a66a204 100644
--- a/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts
+++ b/arch/arm/boot/dts/amlogic/g12b_a311d_w400_a.dts
@@ -163,7 +163,7 @@
 			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 66c12484cfdf..64615f9a68b4 100644
--- a/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts
+++ b/arch/arm64/boot/dts/amlogic/g12b_a311d_w400_a.dts
@@ -165,7 +165,7 @@
 			compatible = "shared-dma-pool";
 			reusable;
 			status = "okay";
-			size = <0x68000000>;
+			size = <0x6800000>;
 			alignment = <0x400000>;
 		};
 		adapt_cma_reserved:linux,adapt_cma {