Problems with DVI+LCD on IBM ThinkPad T42p (ATI Technologies Inc M10 NT [FireGL Mobility T2])

[Alex Deucher]

On 7/26/05, Martin Knoblauch <spamtrap at knobisoft.de> wrote:
> Hi,
> 
>  after wrestling with this configuration for some time, I give up and
> ask. I have a ThinkPad T42p with a "Mini Dock" port extender and an IBM
> L200p flatpanel.
> 
>  After some googling I am now able to boot the notebook and have the
> L200p come up as the primary display via the DVI port at 1600x1200
> pixels. Great so far. The problem comes when booting the notebook
> undocked.
> 
>  The notebooks flatpanel comes up at the right resolution, but on the
> right hand side I have a transparent vertical grey-ramp of about
> 300-350 pixels width. The ramp seems to be in the overlays only (doing
> a xwd dump shows the no sign of the ramp).
> 
> 
>  Any ideas? I am using xorg-6.8.2 as shipped by FC3 and the "radeon"
> driver". The (I belive) relevant part of the xorg.conf is:
> 
> Section "Device"
>         Identifier      "RADEON"
>         Driver          "radeon"
>         Option  "BusType"       "AGP"
> #       Option  "MonitorLayout" "TDMS,AUTO"
>         Option  "MonitorLayout" "TMDS,LVDS"
> EndSection
> 
>  If I use the commented out MonitorLayout, the notebook LCD comes up
> clean, but the DVI display stays dark.
> 
>  I also tried the proprietary "fglrx" driver, but that is not working
> at all with the DVI display.
> 

the xorg radeon driver doesn't support similateous internal TMDS and
LVDS at the same time yet.  I've been working on supporting that, but
I've been real busy catching up on things since I got back from
vacation, so I haven't had time to work on it lately:
https://bugs.freedesktop.org/show_bug.cgi?id=3621

I've got some new stuff in the pipeline though, so I should have an
updated patch relatively soon.

Alex

> Cheers
> Martin
> 
> 
> ------------------------------------------------------
> Martin Knoblauch
> email: k n o b i AT knobisoft DOT de
> www:   http://www.knobisoft.de