Radeon driver challenge - the Acer Ferrari 4000 laptop

[Alex Deucher]

On 2/8/06, Nicolas Mailhot <nicolas.mailhot at laposte.net> wrote:
>
> Le Mer 8 février 2006 10:19, Marcus Schäfer a écrit :
>
> >> Other issues with it include:
> >>
> >>      - Inability to use external monitor if you plug in the connector
> >>        after power-on if you have newer BIOS versions installed.
> >>
> >>      - Getting the DVI to do something other than Panelsize regardless
> >>        of the Mode setting (so when switching to 1280x1024 on an
> >>        external DVI connector you get 1280x1024 stretched to 1680x1050
> >>        by the Ferrari scaled back to 1280x1024 again by the monitor)
> >
> > yes it's tricky, we had the same laptop here to get it running. it
> > works but it requires the option MonitorLayout to be set in any
> > case which means in a single and dualmode configuration. To get the
> > panel working you have to set:
> >
> >       Option "MonitorLayout" "LVDS"
> >
> > if you are using MergedFB to use the secondary channel you should
> > setup
> >
> >       Option "MonitorLayout" "LVDS,CRT"
>
> Will this work on a desktop PCIE X700 ? I seem to have the same problem
> doing stuff with the secondary DVI head. I'd like to have some sort of
> setup where DVI #1 is 16/10 1680x1050 most of the time, and is cloned to
> 4/3 DVI #2 wherever xrandr is used to lower the res to something the
> harware on head #2 can understand (typically 4/3 1024*768).
>
> I haven't managed to display anything on head #2 since everything was
> cabled in DVI.
>

2ndary DVI is not currently supported by the radeon driver since we
need code to detect and set up the external tmds transmitter via i2c. 
I messed with it a while ago, but never got it working.

Alex

> Regards,
>
> --
> Nicolas Mailhot
>