[PATCH v1 2/4] arm64: dts: qcom: x1e001de-devkit: Enable HBR3 on external DPs

From: Aleksandrs Vinarskis
Date: Wed Feb 26 2025 - 18:15:27 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/x1e001de-devkit.dts | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
index 5e3970b26e2f..602bd793e09c 100644
--- a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
+++ b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
@@ -942,6 +942,7 @@ &mdss_dp0 {

&mdss_dp0_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};

&mdss_dp1 {
@@ -950,6 +951,7 @@ &mdss_dp1 {

&mdss_dp1_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};

&mdss_dp2 {
@@ -958,6 +960,7 @@ &mdss_dp2 {

&mdss_dp2_out {
data-lanes = <0 1>;
+ link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};

&pcie4 {
--
2.45.2