diff --git a/arch/arm64/boot/dts/amlogic/mesont3x.dtsi b/arch/arm64/boot/dts/amlogic/mesont3x.dtsi
index 71c45f3cc..056d757c5 100644
--- a/arch/arm64/boot/dts/amlogic/mesont3x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesont3x.dtsi
@@ -1930,7 +1930,7 @@
 		nr10bit-support = <1>;
 		nrds-enable = <1>;
 		pps-enable = <1>;
-		dct = <0>;//decontour disable
+		dct = <2>;//decontour enable
 		hf	= <2>; //enable aisr
 		en_4k = <1>;
 		alloc_sct = <1>;