linux-kernel - Re: i965 testers wanted (Re: intel-agp PM experiences)

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Date:	Mon, 29 Jan 2007 23:05:30 +0100
From:	Frédéric Riss <frederic.riss@...il.com>
To:	Pavel Machek <pavel@....cz>
Cc:	andi@...as.de, davej@...emonkey.org.uk,
	kernel list <linux-kernel@...r.kernel.org>, seife@...e.de,
	Wang Zhenyu <zhenyu.z.wang@...el.com>
Subject: Re: i965 testers wanted (Re: intel-agp PM experiences)

Le mardi 23 janvier 2007 à 09:44 +0000, Pavel Machek a écrit :
> Hi!
> 
> > > > Whitelist? Let me blacklist it all the way to Timbuktu instead!
> > > 
> > > > I've been doing more testing, and X never managed to come back to working
> > > > state without some of my couple intel-agp changes:
> > > > - a proper suspend method, doing a proper pci_save_state()
> > > >   or improved equivalent
> > > > - a missing resume check for my i815 chipset
> > > > - global cache flush in _configure
> > > > - restoring AGP bridge PCI config space
> > > 
> > > Can you post a patch?
> > 
> > I've post a patch which trys to resolve pci config restore issue, see
> > http://lkml.org/lkml/2007/1/16/297. It resolves s3 issue with my 965G machine,
> > that my X can come back to live after s3, but I wasn't aware of the issues Andreas
> > has noted. It'll be good if more people could try this out. 
> 
> Ok, I guess we'd like some testing here... so that in can be fixed in
> mainline...

I can confirm that this patch is needed for my Intel Mac Mini to resume
correctly when used without BIOS emulation (EFI mode). Here're the
relevant lspci lines:

00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller (rev 03)

Fred.


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