From: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Date: Mon, 30 Jun 2025 20:54:11 +0000 (+0200)
Subject: arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: Enable HBR3 on external DPs
X-Git-Tag: v6.18-rc1~147^2~32^2~136
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=93109afda01593c2ddadb4ec1c42b3bdf695ee2a;p=thirdparty%2Flinux.git

arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: Enable HBR3 on external DPs

When no link frequencies are set, msm/dp driver defaults to HBR2 speed.
Explicitly list supported frequencies including HBR3/8.1Gbps for all
external DisplayPort(s).

Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250630205514.14022-3-alex.vinarskis@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
index ac1dddf27da30..2308d5a0e3af3 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -995,6 +995,7 @@
 
 &mdss_dp0_out {
 	data-lanes = <0 1>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
 };
 
 &mdss_dp1 {
@@ -1003,6 +1004,7 @@
 
 &mdss_dp1_out {
 	data-lanes = <0 1>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
 };
 
 &mdss_dp3 {