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Message-ID: <jwgt2aa662ig7max5k7f24uu4zpv4urvg5aplgl2pwo2ty4zp3@a644uqdn2avh>
Date: Mon, 27 May 2024 12:03:31 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/7] arm64: dts: qcom-sm8550: allow 4 lanes for
DisplayPort and enable QMP PHY mode-switch
On Mon, May 27, 2024 at 10:42:37AM +0200, Neil Armstrong wrote:
> Allow up to 4 lanes for the DisplayPort link from the PHY to the Controller
> and allow mode-switch events to the QMP Combo PHY.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8550-hdk.dts | 3 ++-
> arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 3 ++-
> 2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
> index ccff744dcd14..a95949c01f25 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-hdk.dts
> @@ -941,7 +941,7 @@ &mdss_dp0 {
>
> &mdss_dp0_out {
> remote-endpoint = <&usb_dp_qmpphy_dp_in>;
> - data-lanes = <0 1>;
> + data-lanes = <0 1 2 3>;
> };
>
> &pcie0 {
> @@ -1280,6 +1280,7 @@ &usb_dp_qmpphy {
> vdda-phy-supply = <&vreg_l3e_1p2>;
> vdda-pll-supply = <&vreg_l3f_0p88>;
>
> + mode-switch;
> orientation-switch;
Please rebase on top of https://lore.kernel.org/linux-arm-msm/20240429-usb-link-dtsi-v1-0-87c341b55cdf@linaro.org/
After that:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>
> status = "okay";
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> index 39ba3e9969b7..fbac5270b4d7 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> @@ -795,7 +795,7 @@ &mdss_dp0 {
> };
>
> &mdss_dp0_out {
> - data-lanes = <0 1>;
> + data-lanes = <0 1 2 3>;
> remote-endpoint = <&usb_dp_qmpphy_dp_in>;
> };
>
> @@ -1142,6 +1142,7 @@ &usb_dp_qmpphy {
> vdda-phy-supply = <&vreg_l3e_1p2>;
> vdda-pll-supply = <&vreg_l3f_0p88>;
>
> + mode-switch;
> orientation-switch;
>
> status = "okay";
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
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