On 22/04/2024 16:34, Johan Adolfsson wrote:
> 
> 
> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org> 
> Sent: den 19 april 2024 01:05
> To: Johan Adolfsson <johan.adolfs...@axis.com>; Neil Armstrong 
> <neil.armstr...@linaro.org>; Jessica Zhang <quic_jessz...@quicinc.com>; Sam 
> Ravnborg <s...@ravnborg.org>; Maarten Lankhorst 
> <maarten.lankho...@linux.intel.com>; Maxime Ripard <mrip...@kernel.org>; 
> Thomas Zimmermann <tzimmerm...@suse.de>; David Airlie <airl...@gmail.com>; 
> Daniel Vetter <dan...@ffwll.ch>; Rob Herring <robh...@kernel.org>; Krzysztof 
> Kozlowski <krzysztof.kozlowski...@linaro.org>; Conor Dooley 
> <conor...@kernel.org>; Thierry Reding <thierry.red...@gmail.com>
> Cc: dri-devel@lists.freedesktop.org; linux-ker...@vger.kernel.org; 
> devicet...@vger.kernel.org; kernel <ker...@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 
> .."?

I meant how does it explain the hardware.

> 
> ...
>>> 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?

But panel-dpi is quite different. You always have two compatibles. I
don't see two compatibles here.

Best regards,
Krzysztof

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