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From: Wang Zhenyu <zhenyu.z.wang@intel.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: andi@lisas.de, davej@codemonkey.org.uk,
	kernel list <linux-kernel@vger.kernel.org>
Subject: Re: intel-agp PM experiences (was: 2.6.20-rc5: usb mouse breaks suspend to ram)
Date: Mon, 22 Jan 2007 12:45:19 +0800	[thread overview]
Message-ID: <20070122044519.GA24398@zhen-devel.sh.intel.com> (raw)
In-Reply-To: <20070118231650.GA5352@ucw.cz>

On 2007.01.18 23:16:51 +0000, Pavel Machek wrote:
> Hi!
> 
> > > > Especially the PCI video_state trick finally got me a working resume on
> > > > 2.6.19-ck2 r128 Rage Mobility M4 AGP *WITH*(!) fully enabled and working
> > > > (and keeping working!) DRI (3D).
> > > 
> > > Can we get whitelist entry for suspend.sf.net? s2ram from there can do
> > > all the tricks you described, one letter per trick :-). We even got
> > > PCI saving lately.
> > 
> > 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. 

> Whitelist entry would still be welcome.
> 
> > All in all intel-agp code semi-shattered my universe.
> > I didn't expect to find all these issues in rather important core code
> ...
> > Given the myriads of resume issues we experience in general,
> > it may be wise to do something as simple as a code review of *all*
> 
> Any volunteers?
> 							Pavel

  reply	other threads:[~2007-01-22  4:46 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-16 13:57 2.6.20-rc5: usb mouse breaks suspend to ram Pavel Machek
2007-01-16 14:08 ` Dmitry Torokhov
2007-01-16 14:24   ` Pavel Machek
2007-01-16 21:25     ` Dmitry Torokhov
2007-01-16 21:47       ` Pavel Machek
2007-01-17 15:44         ` [linux-usb-devel] " Alan Stern
2007-01-17  0:40       ` Andreas Mohr
2007-01-17  0:57         ` Pavel Machek
2007-01-18 11:51           ` intel-agp PM experiences (was: 2.6.20-rc5: usb mouse breaks suspend to ram) Andreas Mohr
2007-01-18 22:05             ` Nigel Cunningham
2007-01-18 23:16             ` Pavel Machek
2007-01-22  4:45               ` Wang Zhenyu [this message]
2007-01-23  9:44                 ` i965 testers wanted (Re: intel-agp PM experiences) Pavel Machek
2007-01-23 14:46                   ` Sunil Naidu
2007-01-29 22:05                   ` Frédéric Riss
2007-01-29 22:10                     ` Pavel Machek
2007-01-29 22:21                       ` Frédéric Riss
2007-01-29 22:34                         ` Dave Jones
2007-01-29 21:30                 ` intel-agp PM experiences (was: 2.6.20-rc5: usb mouse breaks suspend to ram) Andreas Mohr
2007-01-30 12:36                   ` Wang Zhenyu
2007-01-30 13:05                     ` Andreas Mohr
2007-01-30 23:39                     ` Andreas Mohr
2007-05-01 14:59               ` [PATCH -mm] working 3D/DRI intel-agp.ko resume for i815 chip; Intel chipset testers wanted! (was: Re: intel-agp PM experiences ...) Andreas Mohr
2007-05-02 10:17                 ` Pavel Machek
2007-05-03 15:47                   ` Dave Jones
2007-05-05 17:56                   ` Andreas Mohr
2007-05-10  6:44                     ` Andreas Mohr

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