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

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Message-Id: <200912271518.57886.andres@anarazel.de>
Date:	Sun, 27 Dec 2009 15:18:57 +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 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
Is it relevant whether I boot a kernel with the patch really enabled?

Andres
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