From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Date: Wed, 14 May 2025 17:47:16 +0000 (+0200)
Subject: arm64: dts: qcom: x1e80100-romulus: Enable DP over Type-C
X-Git-Tag: v6.16-rc1~97^2~3^2~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=781621de1551233f6767976b44e93745ffcfa865;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: x1e80100-romulus: Enable DP over Type-C

Both ports seem to work, just like on other X1E laptops.

Tested with a Type-C-to-HDMI2.0 dock (translating into up to 2 DP lanes
worth of bandwidth).

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250514-topic-romu_dp-v1-1-6242d6acb5e5@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
index 26ae19b34b37e..0fd8516580b26 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
@@ -944,6 +944,24 @@
 	status = "okay";
 };
 
+&mdss_dp0 {
+	status = "okay";
+};
+
+&mdss_dp0_out {
+	data-lanes = <0 1>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
+&mdss_dp1 {
+	status = "okay";
+};
+
+&mdss_dp1_out {
+	data-lanes = <0 1>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
 &mdss_dp3 {
 	/delete-property/ #sound-dai-cells;