diff --git a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh201.dts b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh201.dts
index 250940bd0..b7ce4e235 100644
--- a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh201.dts
+++ b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh201.dts
@@ -133,8 +133,8 @@
 		codec_mm_cma:linux,codec_mm_cma {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* ion_codec_mm max can alloc size 80M*/
-			size = <0x0 0x19000000>;
+			/* The CTS test is the largest scenario, requiring 364MB */
+			size = <0x0 0x16C00000>;
 			alignment = <0x0 0x400000>;
 			linux,contiguous-region;
 		};
diff --git a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh202.dts b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh202.dts
index 5f3039f2d..c8b8019c0 100644
--- a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh202.dts
+++ b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh202.dts
@@ -133,8 +133,8 @@
 		codec_mm_cma:linux,codec_mm_cma {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* ion_codec_mm max can alloc size 80M*/
-			size = <0x0 0x19000000>;
+			/* The CTS test is the largest scenario, requiring 364MB */
+			size = <0x0 0x16C00000>;
 			alignment = <0x0 0x400000>;
 			linux,contiguous-region;
 		};
diff --git a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh209.dts b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh209.dts
index 8b88bc95e..3dee60066 100644
--- a/arch/arm64/boot/dts/amlogic/s7_s905y5_bh209.dts
+++ b/arch/arm64/boot/dts/amlogic/s7_s905y5_bh209.dts
@@ -133,8 +133,8 @@
 		codec_mm_cma:linux,codec_mm_cma {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* ion_codec_mm max can alloc size 80M*/
-			size = <0x0 0x19000000>;
+			/* The CTS test is the largest scenario, requiring 364MB */
+			size = <0x0 0x16C00000>;
 			alignment = <0x0 0x400000>;
 			linux,contiguous-region;
 		};