linux-kernel - Re: [PATCH 2/9] dt-bindings: display: panel: samsung,atna30dw01: document ATNA30DW01

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Message-ID: <CAD=FV=XvHu_NnahFOcfLV4XQm_mQkO5cG3YP+acRgC9AE2m6Jw@mail.gmail.com>
Date: Tue, 15 Jul 2025 10:26:41 -0700
From: Doug Anderson <dianders@...omium.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Dale Whinham <daleyo@...il.com>, Conor Dooley <conor+dt@...nel.org>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Simona Vetter <simona@...ll.ch>, 
	Thomas Zimmermann <tzimmermann@...e.de>, Jessica Zhang <quic_jesszhan@...cinc.com>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Jérôme de Bretagne <jerome.debretagne@...il.com>, 
	dri-devel@...ts.freedesktop.org, Maxime Ripard <mripard@...nel.org>, 
	linux-kernel@...r.kernel.org, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, devicetree@...r.kernel.org, 
	David Airlie <airlied@...il.com>
Subject: Re: [PATCH 2/9] dt-bindings: display: panel: samsung,atna30dw01:
 document ATNA30DW01

Hi,

On Mon, Jul 14, 2025 at 8:58 PM Rob Herring (Arm) <robh@...nel.org> wrote:
>
>
> On Mon, 14 Jul 2025 18:35:38 +0100, Dale Whinham wrote:
> > The Samsung ATNA30DW01 panel is a 13" AMOLED eDP panel. It is similar to
> > the ATNA33XC20 except that it is smaller and has a higher resolution.
> >
> > Tested-by: Jérôme de Bretagne <jerome.debretagne@...il.com>
> > Signed-off-by: Dale Whinham <daleyo@...il.com>
> > ---
> >  .../devicetree/bindings/display/panel/samsung,atna33xc20.yaml   | 2 ++
> >  1 file changed, 2 insertions(+)
> >
>
> Acked-by: Rob Herring (Arm) <robh@...nel.org>

Pushed to drm-misc-next:

[2/9] dt-bindings: display: panel: samsung,atna30dw01: document ATNA30DW01
      commit: 0bcc0f5e98bebd05e44261df3c33d274084eab60

Given how many of these we're up to now, I'm starting to wonder if we
should come up with a generic compatible like we did with "edp-panel"
and then we can stop having to merge CLs like this. All of these
Samsung OLED eDP panels have the same power up sequence and once we do
that then we can read them via EDID or via DP AUX bus to identify
which specific panel we have and if they need additional tweaking,
just like we do with "edp-panel". Do DT folks have any opinion about
that? Coming up with a name would be a pain since I wouldn't want to
assert that all future Samsung OLED eDP panels will have the same
powerup sequence. Maybe "samsung,amoled-edp-panel-v1" even though that
sounds terrible and there's no known need for a "-v2"?

-Doug