linux-kernel - Re: [PATCH v2 3/5] drm: panel: Add a panel driver for the Summit display

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Message-ID: <CAMT+MTTGtmMvbPy7HvTQ+AdF_X4dTcfXV5n=krm414MnXYqxjg@mail.gmail.com>
Date: Sat, 30 Nov 2024 12:15:25 +0100
From: Sasha Finkelstein <fnkl.kernel@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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>, 
	Neil Armstrong <neil.armstrong@...aro.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, Nick Chan <towinchenmi@...il.com>
Subject: Re: [PATCH v2 3/5] drm: panel: Add a panel driver for the Summit display

On Sat, 30 Nov 2024 at 10:29, Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
> > +
> > +static int summit_resume(struct device *dev)
> > +{
> > +     return summit_set_brightness(dev);
>
> Doesn't the generic code already handle that for you?

Apparently not, I have commented out the pm ops, entered sleep
and the display stayed on.