linux-kernel - Re: [PATCH] Software Suspend: Fix suspend when console is in VT_AUTO/KD

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Message-ID: <20070310222639.GE2674@elf.ucw.cz>
Date:	Sat, 10 Mar 2007 23:26:40 +0100
From:	Pavel Machek <pavel@....cz>
To:	Andrew Johnson <ajohnson@...rinsyc.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Software Suspend: Fix suspend when console is in VT_AUTO/KD_GRAPHICS mode

Hi!

> > ...how does qpe know when to repaint the screen, anyway?
> 
> QPE doesn't need to repaint the screen after wake-up - the framebuffer
> memory is retained so the PXA270 lcd controller simply displays what was
> last on the screen when it is re-enabled.

That probably means QPE is broken on machines that do not preserve
framebuffer over suspend :-(.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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