linux-kernel - Re: [PATCH 1/2] dt-bindings: Add Apple SoC GPU

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Message-ID: <aEnWgbSb77M9zdy3@blossom>
Date: Wed, 11 Jun 2025 15:18:25 -0400
From: Alyssa Rosenzweig <alyssa@...enzweig.io>
To: Rob Herring <robh@...nel.org>
Cc: fnkl.kernel@...il.com, Sven Peter <sven@...nel.org>,
	Janne Grunau <j@...nau.net>, Neal Gompa <neal@...pa.dev>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: Add Apple SoC GPU

> > +              - apple,agx-g13s
> > +              - apple,agx-g13c
> > +              - apple,agx-g13d
> > +          - const: apple,agx-g13x
> 
> I'm assuming the 'x' is a wildcard. The preferred thing to do make one
> of the 3 actual devices the fallback. Typically, the oldest one is
> used.

Yeah, it's something of a family. G13X is an apple codename for these
three chips.

We can do `apple,agx-g13d, apple,agx-g13s` as the compatible list and
omit the g13x compatible. I'm not sure if that's actually better since
we'd continue to use the G13X naming in the driver itself but it's a
minor point either way.