[Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen

[Karsten Nielsen]

Hi,

I am just curios is there anyone that has any suggestions as to what might be wrong ?

Thanks,
Karsten

-----Original message-----
From:	Karsten Nielsen <karsten at foo-bar.dk>
Sent:	Fri 21-12-2012 10:52
Subject:	Re: [Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen
To:	Daniel Vetter <daniel at ffwll.ch>; 
CC:	intel-gfx at lists.freedesktop.org; 
> Hi,
> 
> As promised
> 
> dmesg is here http://home.foo-bar.dk/dmesg.txt
> and the video http://home.foo-bar.dk/i915-scrolling.mp4
> 
> 
> - Karsten
> 
> 
> -----Original message-----
> From: Daniel Vetter <daniel at ffwll.ch>
> Sent: Thursday 20th December 2012 10:49
> To: Karsten Nielsen <karsten at foo-bar.dk>
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen
> 
> 
> On Wed, Dec 19, 2012 at 8:44 PM, Karsten Nielsen <karsten at foo-bar.dk 
> <mailto:karsten at foo-bar.dk> > wrote:
> > I have bought a Lenovo X1 carbon which have a integrated Intel HD 4000 
> graphics chip and wanted to attach 2 external monitors however there is only 
> one mini-DislpayPort in this machine.
> >
> > I found a Sunix DPD2000 displayport splitter and it works and percents a nice 
> 3840x1200 display to me but the screen scrolls I cannot get it to stop.
> >
> > System:
> > Debian sid with kernel 3.7
> > xserver-xorg                      1:7.7+1
> > xserver-xorg-video-intel  2:2.20.14-1
> >
> > Anyone have suggestions ?
> 
> Make a short video of the scrolling behaviour and upload it somewhere
> please. Also, please boot with drm.debug=0xe added to your kernel
> cmdline and attach the complete dmesg after the monitor is enable
> 
> Thanks, Daniel
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch <http://blog.ffwll.ch> 
> 
> 
> 
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> 
> 
>