diff --git a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204.dts b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204.dts
index 0966a0f1d..fbfe5a51b 100644
--- a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204.dts
+++ b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204.dts
@@ -116,15 +116,15 @@
 		dmaheap_cma_reserved:heap-gfx {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 320M */
-			size = <0x0 0x14000000>;
+			/* 1080p STB androidU size 88M */
+			size = <0x0 0x5800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_fb_reserved:heap-fb {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 212M */
-			size = <0x0 0xd400000>;
+			/* 1080p STB androidU size 56M */
+			size = <0x0 0x3800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_secure_reserved:heap-secure {
diff --git a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_2g.dts b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_2g.dts
index 6cb617381..692b4b040 100644
--- a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_2g.dts
+++ b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_2g.dts
@@ -109,15 +109,15 @@
 		dmaheap_cma_reserved:heap-gfx {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 320M */
-			size = <0x0 0x14000000>;
+			/* 1080p STB androidU size 88M */
+			size = <0x0 0x5800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_fb_reserved:heap-fb {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 212M */
-			size = <0x0 0xd400000>;
+			/* 1080p STB androidU size 56M */
+			size = <0x0 0x3800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_secure_reserved:heap-secure {
diff --git a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_soundbar.dts b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_soundbar.dts
index 02c7da5fb..1df7611cc 100644
--- a/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_soundbar.dts
+++ b/arch/arm64/boot/dts/amlogic/s6_s905x5_bl204_soundbar.dts
@@ -116,15 +116,15 @@
 		dmaheap_cma_reserved:heap-gfx {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 320M */
-			size = <0x0 0x14000000>;
+			/* 1080p STB androidU size 88M */
+			size = <0x0 0x5800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_fb_reserved:heap-fb {
 			compatible = "shared-dma-pool";
 			reusable;
-			/* 4k STB androidU size 212M */
-			size = <0x0 0xd400000>;
+			/* 1080p STB androidU size 56M */
+			size = <0x0 0x3800000>;
 			alignment = <0x0 0x400000>;
 		};
 		dmaheap_secure_reserved:heap-secure {