diff --git a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_1g.dts b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
index 6b8bf3b66adf..c2d23d3e4a32 100644
--- a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
@@ -630,8 +630,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 		/* auto_adj_en:
 		 * bit0 -- auto cdto
 		 * bit1 -- auto hs
diff --git a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_2g.dts b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
index 0f19f593f0f2..21db453d4a6f 100644
--- a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
@@ -625,8 +625,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 		/* auto_adj_en:
 		 * bit0 -- auto cdto
 		 * bit1 -- auto hs
diff --git a/arch/arm/boot/dts/amlogic/tm2_t962e2_ab311.dts b/arch/arm/boot/dts/amlogic/tm2_t962e2_ab311.dts
index 1ab9d7cbe898..a5594d98e6a8 100644
--- a/arch/arm/boot/dts/amlogic/tm2_t962e2_ab311.dts
+++ b/arch/arm/boot/dts/amlogic/tm2_t962e2_ab311.dts
@@ -624,8 +624,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 	};
 
 	vbi {
diff --git a/arch/arm/boot/dts/amlogic/tm2_t962x3_ab301.dts b/arch/arm/boot/dts/amlogic/tm2_t962x3_ab301.dts
index 9dbe16ace0c1..4e049f423035 100644
--- a/arch/arm/boot/dts/amlogic/tm2_t962x3_ab301.dts
+++ b/arch/arm/boot/dts/amlogic/tm2_t962x3_ab301.dts
@@ -624,8 +624,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 	};
 
 	vbi {
diff --git a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_1g.dts b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
index 10f449b51dd2..690ee8b7e0a6 100644
--- a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
+++ b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_1g.dts
@@ -627,8 +627,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 		/* auto_adj_en:
 		 * bit0 -- auto cdto
 		 * bit1 -- auto hs
diff --git a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_2g.dts b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
index 347ab375cb8d..7c717e54619b 100644
--- a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
+++ b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301_2g.dts
@@ -621,8 +621,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 		/* auto_adj_en:
 		 * bit0 -- auto cdto
 		 * bit1 -- auto hs
diff --git a/arch/arm64/boot/dts/amlogic/tm2_t962e2_ab311.dts b/arch/arm64/boot/dts/amlogic/tm2_t962e2_ab311.dts
index f4a4b1e27bf9..c61acf561a66 100644
--- a/arch/arm64/boot/dts/amlogic/tm2_t962e2_ab311.dts
+++ b/arch/arm64/boot/dts/amlogic/tm2_t962e2_ab311.dts
@@ -620,8 +620,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 	};
 
 	vbi {
diff --git a/arch/arm64/boot/dts/amlogic/tm2_t962x3_ab301.dts b/arch/arm64/boot/dts/amlogic/tm2_t962x3_ab301.dts
index fedae692c936..65f63f90c310 100644
--- a/arch/arm64/boot/dts/amlogic/tm2_t962x3_ab301.dts
+++ b/arch/arm64/boot/dts/amlogic/tm2_t962x3_ab301.dts
@@ -622,8 +622,8 @@
 		clocks = <&clkc CLKID_DAC_CLK>;
 		clock-names = "vdac_clk_gate";
 
-		cutwindow_val_h = <0 10 18 20 62>; /* level 0~4 */
-		cutwindow_val_v = <4  8 14 16 24>;  /* level 0~4 */
+		cutwindow_val_h = <0 0 0 0 8>; /* level 0~4 */
+		cutwindow_val_v = <4 8 14 16 24>;  /* level 0~4 */
 	};
 
 	vbi {