linux-kernel - Re: [PATCH 2/5] gpu: drm: adp: Add Apple Display Pipe driver

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Message-ID: <c6b0273f-16f3-4469-a4b8-9564f7355400@linaro.org>
Date: Mon, 25 Nov 2024 13:57:52 +0100
From: neil.armstrong@...aro.org
To: Sasha Finkelstein <fnkl.kernel@...il.com>
Cc: Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
 Alyssa Rosenzweig <alyssa@...enzweig.io>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jessica Zhang
 <quic_jesszhan@...cinc.com>, asahi@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Janne Grunau <j@...nau.net>
Subject: Re: [PATCH 2/5] gpu: drm: adp: Add Apple Display Pipe driver

On 25/11/2024 12:24, Sasha Finkelstein wrote:
> On Mon, 25 Nov 2024 at 09:50, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>>
>> So this controller only supports a single mode ???????
>>
> Most likely. On all devices it is connected to a single built-in display.
> 
> Ack on all other changes, will be fixed for v2.

OK, so instead make the panel driver return this single mode
and from the display driver just filter out anything that's
not ADP_SCREEN_VSIZE & ADP_SCREEN_HSIZE.

Neil