diff --git a/bindings/sde.txt b/bindings/sde.txt
index 1aeb4b45759d..18e8bc6b76b5 100644
--- a/bindings/sde.txt
+++ b/bindings/sde.txt
@@ -119,6 +119,8 @@ Optional properties:
 				for scaling purposes.
 - qcom,sde-mixer-linewidth:	A u32 value indicates the max mixer line width.
 - qcom,sde-wb-linewidth:	A u32 value indicates the max writeback line width.
+- qcom,sde-wb-linewidth-linear:	A u32 value indicates the max line width
+				supported by WB for linear color formats.
 - qcom,sde-sspp-scale-size:	A u32 value indicates the scaling block size on sspp.
 - qcom,sde-mixer-blendstages:	A u32 value indicates the max mixer blend stages for
 				alpha blending.
@@ -683,6 +685,7 @@ Example:
     qcom,sde-dest-scaler-size = <0x800>;
     qcom,sde-len = <0x100>;
     qcom,sde-wb-linewidth = <2560>;
+    qcom,sde-wb-linewidth-linear = <5120>;
     qcom,sde-sspp-scale-size = <0x100>;
     qcom,sde-mixer-blendstages = <0x8>;
     qcom,sde-qseed-type = "qseedv2";
diff --git a/display/lahaina-sde.dtsi b/display/lahaina-sde.dtsi
index 3e32041de76a..24e47646458b 100644
--- a/display/lahaina-sde.dtsi
+++ b/display/lahaina-sde.dtsi
@@ -161,6 +161,7 @@
 		qcom,sde-mixer-linewidth = <2560>;
 		qcom,sde-sspp-linewidth = <4096>;
 		qcom,sde-wb-linewidth = <4096>;
+		qcom,sde-wb-linewidth-linear = <5120>;
 		qcom,sde-mixer-blendstages = <0xb>;
 		qcom,sde-highest-bank-bit = <0x3>;
 		qcom,sde-ubwc-version = <0x400>;