linux-kernel - Re: [PATCH v2] drm/tegra: Turn off and reset hardware across suspend-resume

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Message-ID: <4280db25-98cb-b47b-06c8-0666f364dea3@gmail.com>
Date:   Sat, 9 Nov 2019 20:01:10 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/tegra: Turn off and reset hardware across
 suspend-resume

11.08.2019 21:39, Dmitry Osipenko пишет:
> The drivers core bumps runtime PM refcount during of entering into
> suspend to workaround some problem where parent device may become turned
> off before its children. In order to disable and reset CRTCs/HDMI/etc
> hardware, the runtime PM needs to be "forced" into suspend mode.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---

Hello Thierry,

Is there any particular reason why you're skipping this patch?
The driver's suspend-resume doesn't work properly without it.