linux-kernel - Re: [PATCH v3 2/8] dt-bindings: panel: sw43408: adjust to reflect the DDIC and panel used

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Message-ID: <715ea6b0-a8d7-4ecf-b0c7-f4469c94b969@oss.qualcomm.com>
Date: Tue, 18 Nov 2025 13:33:22 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: "Rob Herring (Arm)" <robh@...nel.org>, David Heidelberg <david@...t.cz>
Cc: phone-devel@...r.kernel.org, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Jessica Zhang <jesszhan0024@...il.com>,
        dri-devel@...ts.freedesktop.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Casey Connolly <casey.connolly@...aro.org>,
        linux-arm-msm@...r.kernel.org, phodina@...tonmail.com,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        David Airlie <airlied@...il.com>, linux-kernel@...r.kernel.org,
        Maxime Ripard <mripard@...nel.org>, Simona Vetter <simona@...ll.ch>
Subject: Re: [PATCH v3 2/8] dt-bindings: panel: sw43408: adjust to reflect the
 DDIC and panel used

On 11/18/25 1:29 PM, Rob Herring (Arm) wrote:
> 
> On Tue, 18 Nov 2025 12:30:37 +0100, David Heidelberg wrote:
>> Add compatible for used LG panel.
>> SW43408 is not panel, but DDIC. The panel itself is the
>> LG LH546WF1-ED01, so introduce combined compatible for it.
>>
>> Signed-off-by: David Heidelberg <david@...t.cz>
>> ---
>>  .../devicetree/bindings/display/panel/lg,sw43408.yaml         | 11 ++++++++---
>>  1 file changed, 8 insertions(+), 3 deletions(-)
>>
> 
> 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/panel/lg,sw43408.example.dtb: panel@0 (lg,sw43408): compatible:0: 'lg,sw43408' is not one of ['lg,sw43408-lh546wf1-ed01']
> 	from schema $id: http://devicetree.org/schemas/display/panel/lg,sw43408.yaml
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/panel/lg,sw43408.example.dtb: panel@0 (lg,sw43408): compatible: ['lg,sw43408'] is too short

You got this error because you didn't fix the example DT (which would be
validated with `make dt_binding_check`

Konrad