diff --git a/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
index 7ccc25c33fb2..99864c485d9d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
@@ -19,7 +19,7 @@
 	panel,vir_height = <1944>;
 	panel,sdck = <60000000>;
 	panel,lsl = <64>;
-	panel,lbl = <64>;
+	panel,lbl = <20>;
 	panel,ldl = <312>;
 	panel,lel = <22>;
 	panel,gdck-sta = <1>;