[PATCH v1 4/4] arm64: dts: qcom: x1e80100-qcp: Enable HBR3 on external DPs
From: Aleksandrs Vinarskis
Date: Wed Feb 26 2025 - 18:15:55 EST
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@xxxxxxxxx>
---
arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
index ec594628304a..600d0c8a08ef 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
@@ -751,6 +751,7 @@ &mdss_dp0 {
&mdss_dp0_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp1 {
@@ -759,6 +760,7 @@ &mdss_dp1 {
&mdss_dp1_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp2 {
@@ -767,6 +769,7 @@ &mdss_dp2 {
&mdss_dp2_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
&mdss_dp3 {
--
2.45.2