linux-kernel - Re: [PATCH v3 04/11] dt-bindings: display/msm: qcom,kaanapali-mdss: Add Kaanapali

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Message-ID: <aUIaSVObQJCJH9Rf@yuanjiey.ap.qualcomm.com>
Date: Wed, 17 Dec 2025 10:49:45 +0800
From: yuanjiey <yuanjie.yang@....qualcomm.com>
To: Rob Herring <robh@...nel.org>
Cc: yongxing.mou@....qualcomm.com, robin.clark@....qualcomm.com,
        tzimmermann@...e.de, dri-devel@...ts.freedesktop.org,
        conor+dt@...nel.org, devicetree@...r.kernel.org,
        konrad.dybcio@....qualcomm.com, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, krzk+dt@...nel.org,
        neil.armstrong@...aro.org, jesszhan0024@...il.com, airlied@...il.com,
        maarten.lankhorst@...ux.intel.com, linux-arm-msm@...r.kernel.org,
        lumag@...nel.org, simona@...ll.ch, tingwei.zhang@....qualcomm.com,
        aiqun.yu@....qualcomm.com, sean@...rly.run,
        marijn.suijten@...ainline.org, abhinav.kumar@...ux.dev,
        mripard@...nel.org
Subject: Re: [PATCH v3 04/11] dt-bindings: display/msm: qcom,kaanapali-mdss:
 Add Kaanapali

On Tue, Dec 16, 2025 at 07:11:19PM -0600, Rob Herring wrote:
> On Tue, Dec 16, 2025 at 1:14 AM yuanjiey <yuanjie.yang@....qualcomm.com> wrote:
> >
> > On Mon, Dec 15, 2025 at 03:36:13AM -0600, Rob Herring (Arm) wrote:
> > >
> > > On Mon, 15 Dec 2025 16:38:47 +0800, yuanjie yang wrote:
> > > > From: Yuanjie Yang <yuanjie.yang@....qualcomm.com>
> > > >
> > > > Kaanapali introduces DPU 13.0.0 and DSI 2.10. Compared to SM8750,
> > > > Kaanapali has significant register changes, making it incompatible
> > > > with SM8750. So add MDSS/MDP display subsystem for Qualcomm Kaanapali.
> > > >
> > > > Co-developed-by: Yongxing Mou <yongxing.mou@....qualcomm.com>
> > > > Signed-off-by: Yongxing Mou <yongxing.mou@....qualcomm.com>
> > > > Signed-off-by: Yuanjie Yang <yuanjie.yang@....qualcomm.com>
> > > > ---
> > > >  .../display/msm/qcom,kaanapali-mdss.yaml      | 297 ++++++++++++++++++
> > > >  1 file changed, 297 insertions(+)
> > > >  create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml
> > > >
> > >
> > > My bot found errors running 'make dt_binding_check' on your patch:
> > >
> > > yamllint warnings/errors:
> > >
> > > dtschema/dtc warnings/errors:
> > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.example.dtb: phy@...1000 (qcom,kaanapali-dsi-phy-3nm): reg: [[0, 162271232], [0, 460], [0, 162271744], [0, 128], [0, 162272512], [0, 1024]] is too long
> > >       from schema $id: http://devicetree.org/schemas/display/msm/dsi-phy-7nm.yaml
> > >
> > > doc reference errors (make refcheckdocs):
> > >
> > > See https://patchwork.kernel.org/project/devicetree/patch/20251215083854.577-5-yuanjie.yang@oss.qualcomm.com
> > >
> > > The base for the series is generally the latest rc1. A different dependency
> > > should be noted in *this* patch.
> > >
> > > If you already ran 'make dt_binding_check' and didn't see the above
> > > error(s), then make sure 'yamllint' is installed and dt-schema is up to
> > > date:
> > >
> > > pip3 install dtschema --upgrade
> >
> > pip3 install dtschema --upgrade
> >
> > After update package,
> > and use：  make dt_binding_check   I see the same issue.
> >
> > but use single check:
> > make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/msm/qcom,kaanapali-mdss.yaml
> > I don't see any error/warning.
> 
> Because DT_SCHEMA_FILES excludes display/msm/dsi-phy-7nm.yaml. Soon
> (in the next linux-next tree), you can do:
> 
> make display/msm/qcom,kaanapali-mdss.yaml
> 
> Which will test the example in the specified schema against all schemas.
> 
Thanks for your tips, will fix in next patch.

Thanks,
Yuanjie

> Rob