linux-kernel - Re: [PATCH v2] dt-bindings: display/msm: dp-controller: Add SM6150

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <qnsxykukg3kigfiihdrrjkp6sbm4qte6lsga3as7eg3xaodtlt@skg5tcp4htii>
Date: Tue, 16 Sep 2025 14:37:17 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Cc: 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>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>, 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 v2] dt-bindings: display/msm: dp-controller: Add SM6150

On Tue, Sep 16, 2025 at 07:34:52PM +0800, Xiangxu Yin wrote:
> 
> On 9/16/2025 7:25 PM, Xiangxu Yin wrote:
> > On 9/16/2025 6:22 PM, Dmitry Baryshkov wrote:
> >> On Tue, Sep 16, 2025 at 03:31:35PM +0800, Xiangxu Yin wrote:
> >>> Add DisplayPort controller binding for Qualcomm SM6150 SoC.
> >>> 'qcom,sm6150-dp' uses the same controller IP as 'qcom,sm8150-dp'.
> >>> Declare 'qcom,sm6150-dp' as a fallback compatible to 'qcom-sm8350-dp'
> >>> for consistency with existing bindings and to ensure correct matching and
> >>> future clarity.
> >>>
> >>> Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> >>> ---
> >>> This series splits the SM6150 dp-controller definition from the
> >>> '[v3] Add DisplayPort support for QCS615 platform' series and rebases
> >>> 'dt-bindings: msm/dp: Add support for 4 pixel streams'.
> >>>
> >>> The devicetree modification for DisplayPort on SM6150 will be provided
> >>> in a future patch.
> >>> ---
> >>> Changes in v2:
> >>> - Update commit message and binding with fallback configuration. [Dmitry]
> >>> - Drop driver patch since SM6150 is declared as a fallback to 'qcom-sm8350-dp'.
> >>> - Link to v1: https://lore.kernel.org/r/20250912-add-dp-controller-support-for-sm6150-v1-0-02b34b7b719d@oss.qualcomm.com
> >>> ---
> >>>  Documentation/devicetree/bindings/display/msm/dp-controller.yaml | 1 +
> >>>  1 file changed, 1 insertion(+)
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> >>> index aeb4e4f36044a0ff1e78ad47b867e232b21df509..82481519005a1b038a351aa358b9266239d0e8a9 100644
> >>> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> >>> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
> >>> @@ -46,6 +46,7 @@ properties:
> >>>        - items:
> >>>            - enum:
> >>>                - qcom,sar2130p-dp
> >>> +              - qcom,sm6150-dp
> >> In the review to the previos iteration I think I was a bit explicit:
> >> "qcom,sm6150-dp", "qcom,sm8150-dp", "qcom-sm8350-dp". You seemed to
> >> agree to it. Now you didn't implemet that. Why?
> >
> > Sorry, I misunderstood your previous comment.
> > I thought the recommendation was only about the commit message, not the
> > binding structure.
> >
> > Does the current implementation mean that qcom,sm6150-dp and qcom,sm8150-dp
> > fallback to "qcom,sm8350-dp"?
> >     - items:
> >         - enum:
> >             - qcom,sar2130p-dp
> >             - qcom,sm6150-dp
> >             - qcom,sm7150-dp
> >             - qcom,sm8150-dp
> >             - qcom,sm8250-dp
> >             - qcom,sm8450-dp
> >             - qcom,sm8550-dp
> >         - const: qcom,sm8350-dp
> >
> > Do you mean modifying it as below?
> >     - items:
> >         - enum:
> >             - qcom,sar2130p-dp
> >             - qcom,sm6150-dp
> >             - qcom,sm7150-dp
> >             - qcom,sm8250-dp
> >             - qcom,sm8450-dp
> >             - qcom,sm8550-dp
> >         - const: qcom,sm8150-dp
> >         - const: qcom,sm8350-dp
> >
> 
> Or this?
> 
>     - items:
>         - enum:
>             - qcom,sm6150-dp
>         - const: qcom,sm8150-dp
>         - const: qcom,sm8350-dp


Yes

> 
> 
> >>>                - qcom,sm7150-dp
> >>>                - qcom,sm8150-dp
> >>>                - qcom,sm8250-dp
> >>>
> >>> ---
> >>> base-commit: c3067c2c38316c3ef013636c93daa285ee6aaa2e
> >>> change-id: 20250916-add-dp-controller-support-for-sm6150-525ac2ed8c86
> >>>
> >>> Best regards,
> >>> -- 
> >>> Xiangxu Yin <xiangxu.yin@....qualcomm.com>
> >>>

-- 
With best wishes
Dmitry