diff --git a/arch/arm/boot/dts/qcom/sdm630-mdss.dtsi b/arch/arm/boot/dts/qcom/sdm630-mdss.dtsi
index 18e6445b68e1..3fb6993d71d6 100644
--- a/arch/arm/boot/dts/qcom/sdm630-mdss.dtsi
+++ b/arch/arm/boot/dts/qcom/sdm630-mdss.dtsi
@@ -180,6 +180,19 @@
 		qcom,mdss-prefill-post-scaler-buffer-pixels = <2560>;
 		qcom,mdss-prefill-pingpong-buffer-pixels = <5120>;
 
+		qcom,mdss-reg-bus {
+			/* Reg Bus Scale Settings */
+			qcom,msm-bus,name = "mdss_reg";
+			qcom,msm-bus,num-cases = <4>;
+			qcom,msm-bus,num-paths = <1>;
+			qcom,msm-bus,active-only;
+			qcom,msm-bus,vectors-KBps =
+				<1 590 0 0>,
+				<1 590 0 76800>,
+				<1 590 0 160000>,
+				<1 590 0 320000>;
+		};
+
 		qcom,mdss-pp-offsets {
 			qcom,mdss-sspp-mdss-igc-lut-off = <0x2000>;
 			qcom,mdss-sspp-vig-pcc-off = <0x1b00>;
diff --git a/arch/arm/boot/dts/qcom/sdm660-mdss.dtsi b/arch/arm/boot/dts/qcom/sdm660-mdss.dtsi
index fd07a105a19a..6e32c1282d3e 100644
--- a/arch/arm/boot/dts/qcom/sdm660-mdss.dtsi
+++ b/arch/arm/boot/dts/qcom/sdm660-mdss.dtsi
@@ -195,6 +195,19 @@
 		qcom,mdss-prefill-post-scaler-buffer-pixels = <2560>;
 		qcom,mdss-prefill-pingpong-buffer-pixels = <5120>;
 
+		qcom,mdss-reg-bus {
+			/* Reg Bus Scale Settings */
+			qcom,msm-bus,name = "mdss_reg";
+			qcom,msm-bus,num-cases = <4>;
+			qcom,msm-bus,num-paths = <1>;
+			qcom,msm-bus,active-only;
+			qcom,msm-bus,vectors-KBps =
+				<1 590 0 0>,
+				<1 590 0 76800>,
+				<1 590 0 160000>,
+				<1 590 0 320000>;
+		};
+
 		qcom,mdss-pp-offsets {
 			qcom,mdss-sspp-mdss-igc-lut-off = <0x2000>;
 			qcom,mdss-sspp-vig-pcc-off = <0x1b00>;