linux-kernel - Re: [PATCH 1/5] dt-bindings: display: panel: samsung,atna33xc20: Document ATNA45AF01

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Message-ID: <b6228510-0f28-4bb3-94ca-9dd274d47958@kernel.org>
Date: Thu, 11 Jul 2024 08:27:03 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Doug Anderson <dianders@...omium.org>,
 Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, Abel Vesa <abel.vesa@...aro.org>,
 Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH 1/5] dt-bindings: display: panel: samsung,atna33xc20:
 Document ATNA45AF01

On 10/07/2024 19:35, Doug Anderson wrote:
> Hi,
> 
> On Wed, Jul 10, 2024 at 10:05 AM Stephan Gerhold
> <stephan.gerhold@...aro.org> wrote:
>>
>> The Samsung ATNA45AF01 panel is an AMOLED eDP panel that has backlight
>> control over the DP AUX channel. While it works almost correctly with the
>> generic "edp-panel" compatible, the backlight needs special handling to
>> work correctly. It is similar to the existing ATNA33XC20 panel, just with
>> a larger resolution and size.
>>
>> Add a new "samsung,atna45af01" compatible to describe this panel in the DT.
>>
>> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
>> ---
>>  .../devicetree/bindings/display/panel/samsung,atna33xc20.yaml       | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
>> index 765ca155c83a..d668e8d0d296 100644
>> --- a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
>> +++ b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
>> @@ -14,7 +14,11 @@ allOf:
>>
>>  properties:
>>    compatible:
>> -    const: samsung,atna33xc20
>> +    enum:
>> +      # Samsung 13.3" FHD (1920x1080 pixels) eDP AMOLED panel
>> +      - samsung,atna33xc20
>> +      # Samsung 14.5" WQXGA+ (2880x1800 pixels) eDP AMOLED panel
>> +      - samsung,atna45af01
> 
> Seems OK, but a few thoughts:
> 
> 1. Is it worth renaming this file? Something like
> "samsung,atna-oled-panel.yaml"? I'd be interested in DT maintainer
> folks' opinions here.

No, rather keep existing name, because it should be based on compatible.

Best regards,
Krzysztof