[Freedreno] [PATCH v5 1/3] arm64: dts: qcom: add data-lanes and link-freuencies into dp_out endpoint

[Dmitry Baryshkov]

On Wed, 30 Nov 2022 at 19:41, Kuogee Hsieh <quic_khsieh at quicinc.com> wrote:
>
>
> On 11/30/2022 1:20 AM, Dmitry Baryshkov wrote:
> > On Wed, 30 Nov 2022 at 02:12, Kuogee Hsieh <quic_khsieh at quicinc.com> wrote:
> >> Move data-lanes property from mdss_dp node to dp_out endpoint. Also
> >> add link-frequencies property into dp_out endpoint as well. The last
> >> frequency specified at link-frequencies will be the max link rate
> >> supported by DP.
> >>
> >> Changes in v5:
> >> -- revert changes at sc7180.dtsi and sc7280.dtsi
> >> -- add &dp_out to sc7180-trogdor.dtsi and sc7280-herobrine.dtsi
> > Bindings update?
>
> Sorry, I did not get this.
>
> Can you please elaborate more specified what exactly you want me to do?

You need to update device tree bindings. See
Documentation/devicetree/bindings/display/msm/

> >> Signed-off-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> >> ---
> >>   arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi   | 6 +++++-
> >>   arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 6 +++++-
> >>   2 files changed, 10 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> >> index 754d2d6..39f0844 100644
> >> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> >> @@ -812,7 +812,11 @@ hp_i2c: &i2c9 {
> >>          status = "okay";
> >>          pinctrl-names = "default";
> >>          pinctrl-0 = <&dp_hot_plug_det>;
> >> -       data-lanes = <0 1>;
> >> +};
> >> +
> >> +&dp_out {
> >> +    data-lanes = <0  1>;
> >> +    link-frequencies = /bits/ 64 <160000000 270000000 540000000>;
> >>   };
> >>
> >>   &pm6150_adc {
> >> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
> >> index 93e39fc..b7c343d 100644
> >> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
> >> @@ -440,7 +440,11 @@ ap_i2c_tpm: &i2c14 {
> >>          status = "okay";
> >>          pinctrl-names = "default";
> >>          pinctrl-0 = <&dp_hot_plug_det>;
> >> -       data-lanes = <0 1>;
> >> +};
> >> +
> >> +&dp_out {
> >> +       data-lanes = <0  1>;
> >> +       link-frequencies = /bits/ 64 <160000000 270000000 540000000 810000000>;
> >>   };
> >>
> >>   &mdss_mdp {
> >> --
> >> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> >> a Linux Foundation Collaborative Project
> >>
> >



-- 
With best wishes
Dmitry