diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-evb4-lp4x.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-evb4-lp4x.dtsi
index 8cfbba940433..603fb80736eb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-evb4-lp4x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-evb4-lp4x.dtsi
@@ -380,7 +380,7 @@
 		native-mode = <&dsi1_timing0>;
 		dsi1_timing0: timing0 {
 			clock-frequency = <280000000>;
-			hactive = <1140>;
+			hactive = <1440>;
 			vactive = <3120>;
 			hfront-porch = <16>;
 			hsync-len = <8>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-tablet-rk806-single.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-tablet-rk806-single.dtsi
index 2a299227d605..3f6f897a012e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-tablet-rk806-single.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-tablet-rk806-single.dtsi
@@ -1071,7 +1071,7 @@
 		native-mode = <&dsi1_timing0>;
 		dsi1_timing0: timing0 {
 			clock-frequency = <280000000>;
-			hactive = <1140>;
+			hactive = <1440>;
 			vactive = <3120>;
 			hfront-porch = <16>;
 			hsync-len = <8>;