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

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Message-Id: <1261919455.4499.31.camel@localhost.localdomain>
Date:	Sun, 27 Dec 2009 21:10:55 +0800
From:	ykzhao <yakui.zhao@...el.com>
To:	Andres Freund <andres@...razel.de>
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 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

Thanks.
   Yakui.
> 
> Andres

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