[ltp] Port replicator II DVI output dock/undock problem

[Alex Deucher]

On 1/9/06, credito@gmx.de <credito@gmx.de> wrote:
> Hi,
>
> I have a T42 with an ATI Radeon 7500 graphics card and a ThinkPad Port
> Replicator II, using debain unstable (Xorg 6.9.0 with the open source ati
> driver) with a custom kernel (2.6.15) and ibm_acpi module.
>
> If I boot my laptop in the docking station the external lcd (connected vi=
a
> DVI) shows the screen and the thinkpad lcd stays black. If I undock my
> laptop the internal screen stays black. Once I re-dock, the video signal =
is
> again present at the external lcd . The same is true for the opposite
> direction (boot undocked , internal working -> docking, external monitor
> stays black, internal works ,...)
>
> It does not look like an X problem to me since I have the same behaviour =
in
> console mode. I tried to enable and disable the lcd and dvi manually by
> playing around with /proc/acpi/ibm/video but nothing happened.
>
> Any ideas how to fix that, what's wrong ?
>

neither X nor the bios supports dynamic display switching yet.

Alex

> Cheers
>
> Marcel
>
> --
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