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SubjectRE: [PATCH 2/2] dt-bindings: panel-simple-dsi: Add generic panel-dsi
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-----Original Message-----
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Sent: den 19 april 2024 01:05
To: Johan Adolfsson <Johan.Adolfsson@axis.com>; Neil Armstrong <neil.armstrong@linaro.org>; Jessica Zhang <quic_jesszhan@quicinc.com>; Sam Ravnborg <sam@ravnborg.org>; Maarten Lankhorst <maarten.lankhorst@linux.intel.com>; Maxime Ripard <mripard@kernel.org>; Thomas Zimmermann <tzimmermann@suse.de>; David Airlie <airlied@gmail.com>; Daniel Vetter <daniel@ffwll.ch>; Rob Herring <robh+dt@kernel.org>; Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>; Conor Dooley <conor+dt@kernel.org>; Thierry Reding <thierry.reding@gmail.com>
Cc: dri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; devicetree@vger.kernel.org; kernel <kernel@axis.com>
Subject: Re: [PATCH 2/2] dt-bindings: panel-simple-dsi: Add generic panel-dsi

>On 18/04/2024 16:01, Johan Adolfsson wrote:
>> panel-dsi is similar to panel-dpi with overridable timings
>
>???

I guess a more correct description would be
"panel-dsi is a fallback in a similar way that panel-dpi is in panel-dpi.yaml .."?

...
>> a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yam
>> l
>> +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi
>> +++ .yaml
>> @@ -56,6 +56,8 @@ properties:
>> - samsung,sofef00
>> # Shangai Top Display Optoelectronics 7" TL070WSH30 1024x600 TFT LCD panel
>> - tdo,tl070wsh30
>> + # Generic dsi panel with timing overridable
>> + - panel-dsi
>
>? Devices are not generic. This is very confusing and commit msg does not help me. Compatibles *must* be specific, see writing-bindings.

I guess I see this a generic fallback, that handles any dsi panel as long as the correct timing etc is specified in devictree, similar to what panel-dpi is in panel-dpi.yaml
Maybe phrasing it similar to panel-dpi.yaml is better?

>Best regards,
>Krzysztof

Best regards
/Johan

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