linux-kernel - Re: [PATCH] hibernation:stop resume screen during hibernation

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Message-ID: <20210622134703.GA12358@duo.ucw.cz>
Date:   Tue, 22 Jun 2021 15:47:03 +0200
From:   Pavel Machek <pavel@....cz>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     pingshuo <pingshuo@...ontech.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hibernation:stop resume screen during hibernation

Hi!

> > The display will be woken up during hibernation.
> 
> That actually depends on its driver.
> 
> > if the computer equipment is poor, it will cause the screen to flicker.
> > Skip to reusme the display devices in "thaw".
> 
> But this patch looks like a proof of concept rather than a proper solution.
> 
> This needs to be done more carefully.

And because it depends on the driver, I believe we should aim for
per-driver solutions.

BR,
								Pavel
								
-- 
http://www.livejournal.com/~pavelmachek

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