[ltp] External video with ATI 9600 in T42p

[Alex Deucher]

On 5/12/06, Miguel Hermanns <hermanns@tupi.dmt.upm.es> wrote:
> Hi to everybody,
>
> I'm the owner of a T42p notebook with an ATI 9600 graphics card. I'm
> trying to give a presentation next week and everything works fine except
> for playing videos. In that case the always returning problem of seeing
> the video only on the LCD and not on the projector appears.
>
> I solved the same problem in the past in my previous notebook (T41 with
> ATI 7500) using the overlayoncrtc2 option, which in now no longer working=
.
>

this option was removed in 6.8 in favor of the XV_SWITCHCRT Xv attribute.

> I have Debian etch installed with kernel 2.6.15 and x.org 6.9. Does
> somebody know how to solve it? I have already tried
>
> 1) to disable mergefb
> 2) to use the attribute xv_switchcrt (btw, does not even accept it)
> 3) echo video_switch > /proc/acpi/ibm/video
> 4) to enable the bioshotkeys option
>
> I don't know what else to do.

XV_SWITCHCRT is an Xv attribute so you need a tool like xvattr to
toggle it.  It's not a driver option.  It only applies when mergedfb
is active.

Alex

>
> Thanks in advance and greetings from Spain,
>
> Miguel