From: Neil Armstrong <neil.armstrong@linaro.org>
Date: Fri, 22 Aug 2025 15:56:57 +0000 (+0200)
Subject: arm64: dts: qcom: x1e80100: Set up 4-lane DP
X-Git-Tag: v6.18-rc1~147^2~32^2~49
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2e66c88bb2649133da470d2685646f6536d1e0d5;p=thirdparty%2Flinux.git

arm64: dts: qcom: x1e80100: Set up 4-lane DP

Allow up to 4 lanes for the DisplayPort link from the PHYs to the
controllers now the mode-switch events can reach the QMP Combo PHYs.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250822-topic-x1e80100-4lanes-v3-9-5363acad9e32@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 951703a60c64e..b017f47e832f9 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -5380,7 +5380,7 @@
 						reg = <1>;
 
 						mdss_dp0_out: endpoint {
-							data-lanes = <0 1>;
+							data-lanes = <0 1 2 3>;
 							remote-endpoint = <&usb_1_ss0_qmpphy_dp_in>;
 						};
 					};
@@ -5464,7 +5464,7 @@
 						reg = <1>;
 
 						mdss_dp1_out: endpoint {
-							data-lanes = <0 1>;
+							data-lanes = <0 1 2 3>;
 							remote-endpoint = <&usb_1_ss1_qmpphy_dp_in>;
 						};
 					};
@@ -5547,7 +5547,7 @@
 						reg = <1>;
 
 						mdss_dp2_out: endpoint {
-							data-lanes = <0 1>;
+							data-lanes = <0 1 2 3>;
 							remote-endpoint = <&usb_1_ss2_qmpphy_dp_in>;
 						};
 					};