linux-kernel - Re: [PATCH v5 1/3] dt-bindings: display/msm: Add SM6150 DisplayPort controller

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Message-ID: <fh7daiy5p5taaz7ifymbivfktjqngs5oashhd3osrtzspsac2z@nswaeyh3kkhi>
Date: Wed, 22 Oct 2025 18:07:37 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: xiangxu.yin@....qualcomm.com
Cc: Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.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 v5 1/3] dt-bindings: display/msm: Add SM6150 DisplayPort
 controller

On Tue, Oct 21, 2025 at 11:18:07AM +0800, Xiangxu Yin via B4 Relay wrote:
> From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> 
> SM6150 uses the same DisplayPort controller as SM8150, which is already
> compatible with SM8350. Add the SM6150-specific compatible string and
> update the binding example accordingly.
> 
> Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> ---
>  .../devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml   | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
> index 9ac24f99d3ada1c197c9654dc9babebccae972ed..89852af70de97a9025079107b838de578778c049 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]+$":
> +    type: object
> +    additionalProperties: true
> +    properties:
> +      compatible:
> +        items:
> +          - const: qcom,sm6150-dp
> +          - const: qcom,sm8150-dp
> +          - const: qcom,sm8350-dp
> +
>    "^dsi@[0-9a-f]+$":
>      type: object
>      additionalProperties: true
> @@ -132,13 +142,14 @@ examples:
>                  port@0 {
>                    reg = <0>;
>                    dpu_intf0_out: endpoint {
> +                    remote-endpoint = <&mdss_dp0_in>;

Why?

>                    };
>                  };
>  
>                  port@1 {
>                    reg = <1>;
>                    dpu_intf1_out: endpoint {
> -                      remote-endpoint = <&mdss_dsi0_in>;
> +                    remote-endpoint = <&mdss_dsi0_in>;

Why?

>                    };
>                  };
>              };
> 
> -- 
> 2.34.1
> 
> 

-- 
With best wishes
Dmitry