linux-kernel - Re: [PATCH v4 1/3] dt-bindings: display/msm: Add SM6150 DisplayPort controller

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Message-ID: <f4dihh4z2nnkjcpsrmopycm6opellvv4mkpee72xjbn26nw544@sfc4oy6c2xci>
Date: Mon, 20 Oct 2025 14:07:36 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: xiangxu.yin@....qualcomm.com, Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        fange.zhang@....qualcomm.com, yongxing.mou@....qualcomm.com,
        li.liu@....qualcomm.com
Subject: Re: [PATCH v4 1/3] dt-bindings: display/msm: Add SM6150 DisplayPort
 controller

On Sun, Oct 19, 2025 at 07:13:32PM +0200, Krzysztof Kozlowski wrote:
> On 15/10/2025 03:53, Xiangxu Yin via B4 Relay wrote:
> > From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> > 
> > Describe the DisplayPort controller for Qualcomm SM6150 SoC.
> > 
> > Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> > ---
> >  .../devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml     | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> > index 9ac24f99d3ada1c197c9654dc9babebccae972ed..935eca23ce6b30b81b3ad778e5fcacc817a230c3 100644
> > --- a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> > +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> > @@ -51,6 +51,16 @@ patternProperties:
> >        compatible:
> >          const: qcom,sm6150-dpu
> >  
> > +  "^displayport-controller@[0-9a-f]+$":
> > +    type: object
> > +    additionalProperties: true
> > +    properties:
> > +      compatible:
> > +        items:
> > +          - const: qcom,sm6150-dp
> > +          - const: qcom,sm8150-dp
> 
> 6150 is compatible with 8150 or 8350? I have doubts.

SM6150 has the same DP controller as SM8150. SM8150 is compatible with
SM8350.

> 
> > +          - const: qcom,sm8350-dp
> > +
> >    "^dsi@[0-9a-f]+$":
> >      type: object
> >      additionalProperties: true
> > @@ -132,6 +142,7 @@ examples:
> >                  port@0 {
> >                    reg = <0>;
> >                    dpu_intf0_out: endpoint {
> > +                      remote-endpoint = <&mdss_dp0_in>;
> 
> Mention reason for doing this in the commit msg.
> 
> Also, messed up indentation.
> 
> >                    };
> >                  };
> >  
> > 
> 
> 
> Best regards,
> Krzysztof

-- 
With best wishes
Dmitry