linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sm7225-fairphone-fp4: Enable display and GPU

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Date: Wed, 10 Jan 2024 12:00:23 +0100
From: "Luca Weiss" <luca.weiss@...rphone.com>
To: "Konrad Dybcio" <konrad.dybcio@...aro.org>, "Neil Armstrong"
 <neil.armstrong@...aro.org>, "Jessica Zhang" <quic_jesszhan@...cinc.com>,
 "Sam Ravnborg" <sam@...nborg.org>, "David Airlie" <airlied@...il.com>,
 "Daniel Vetter" <daniel@...ll.ch>, "Maarten Lankhorst"
 <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard" <mripard@...nel.org>,
 "Thomas Zimmermann" <tzimmermann@...e.de>, "Rob Herring"
 <robh+dt@...nel.org>, "Krzysztof Kozlowski"
 <krzysztof.kozlowski+dt@...aro.org>, "Conor Dooley" <conor+dt@...nel.org>,
 "Bjorn Andersson" <andersson@...nel.org>
Cc: <~postmarketos/upstreaming@...ts.sr.ht>, <phone-devel@...r.kernel.org>,
 <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sm7225-fairphone-fp4: Enable
 display and GPU

On Wed Jan 10, 2024 at 11:58 AM CET, Konrad Dybcio wrote:
>
>
> On 1/5/24 15:29, Luca Weiss wrote:
> > Add the description for the display panel found on this phone and remove
> > the simple-framebuffer that was in place until now
>
> Why? They should be able to coexist with a smooth-ish handoff

Does that work upstream? I'm aware that downstream can do this but
thought this was still missing upstream.

Didn't check what happens when you have both enabled.

>
> [...]
>
> >   
> > +&gmu {
> > +	status = "okay";
>
> Please kick the disablement from the SoC dtsi instead, it won't
> probe without the GPU being enabled

Ack, will include a patch in v2 for that.

>
> Konrad