linux-kernel - Re: lvds downclocking breaks on G45/thinkpad T500

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Date:	Mon, 28 Dec 2009 13:56:18 +0100
From:	Andres Freund <andres@...razel.de>
To:	ykzhao <yakui.zhao@...el.com>
Cc:	David Airlie <airlied@...ux.ie>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.sourceforge.net" <dri-devel@...ts.sourceforge.net>,
	Adam Jackson <ajax@...hat.com>
Subject: Re: lvds downclocking breaks on G45/thinkpad T500

On Monday 28 December 2009 02:24:48 ykzhao wrote:
> On Sun, 2009-12-27 at 22:18 +0800, Andres Freund wrote:
> > On Sunday 27 December 2009 14:10:55 ykzhao wrote:
> > > On Sun, 2009-12-27 at 01:41 +0800, Andres Freund wrote:
> > > > On Saturday 26 December 2009 17:49:29 Andres Freund wrote:
> > > > > On 2.6.33-rc1 I noticed that the display of my T500 with a G45
> > > > > reacts very slowly (you can see the text appearing) and colors take
> > > > > a time to "solidify". I.e. making a white terminal black takes some
> > > > > seconds. ... Anything I can do to help analyzing the issue?
> > > >
> > > > Thats with recent git checkouts of xorg btw, if thats relevant (which
> > > > I doubt a bit).
> > > >
> > > > The missing config is attached now as well.
> > >
> > > It will be great if you can open a new bug on
> > > bugs.freedesktop.org(Product=xorg, component = driver/intel) and attach
> > > the following info:
> > >     1. add the boot option of "drm.debug=0x06" and attach the output of
> > > dmesg.
> > >     2. attach the output of "xrandr -q --verbose"
> > >     3. attach the vbios.dump, which can be obtained by using the
> > > following command:
> > >         echo 1 > /sys/devices/pci0000:00/0000:00:02.0/rom
> > >         cat /sys/devices/pci0000:00/0000:00:02.0/rom
> > >     4. attach the output of Xorg.0.log
> Anyway, please open a new bug and I will investigate it.
Created as #25809.

Andres
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