From mboxrd@z Thu Jan  1 00:00:00 1970
From: Karol Kozimor <sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org>
Subject: Re: Applications & ACPI eventse
Date: Fri, 10 Oct 2003 13:19:35 +0200
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References: <20031006124935.GQ11391@poupinou.org> <20031006130533.GA311@elf.ucw.cz> <20031008102745.GF11391@poupinou.org> <20031008191610.GB1035@elf.ucw.cz> <20031008215342.GE1920@fairlite.demon.co.uk> <20031008215850.GF1238@elf.ucw.cz> <20031009123620.GD13739@hell.org.pl> <20031009213245.GB365@elf.ucw.cz> <20031009235607.GA13514@hell.org.pl> <20031010071231.GA285@elf.ucw.cz>
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To: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
Cc: Alan Hourihane <alanh-ASBjxr/nLg+TY6FTCsQk+9Bc4/FLrbF6@public.gmane.org>, Ducrot Bruno <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
List-Id: linux-acpi@vger.kernel.org

Thus wrote Pavel Machek:
> > > > That's how it's done with the Radeon driver, i.e. 1.9.0 DRM module and
> > > > recent DRI snaphosts -- the engine is initialized / POSTed on VT switch.
> > > Well, then radeon should "just work".
> > It actually does, at least for S4 in 2.4 (Nigel's swsusp).
> S4 is very different case, since card is already initialized by
> BIOS. Don't mix these!

But the DRI engine is not, so switching back to unpatched XFree86-4.3.0
after resume corrupts the display and does other not-so-nice things.

The S4 example was merely to illustrate what the radeon driver does.

Best regards,

-- 
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


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