[ltp] T42 DVI xorg 7.0

[Alex Deucher]

On 2/15/06, Aidan Marks <aidan@cisco.com> wrote:
> inline.
>
> On 16/02/06 01:29 AEST, Alex Deucher wrote:
>
> > On 2/14/06, Aidan Marks <aidan@cisco.com> wrote:
> >> Hi,
> >>
> >> T42 running gentoo with radeon 7500 mobility under xorg 7.  I want to
> >> simply have cloned 1024x768 on the T42 LCD + DVI on the port replicato=
r.
> >>  Ext LCD is an NEC 2080UX+.
> >>
> >> I thought the correct layout was:
> >>
> >> Option "MonitorLayout" "LVDS,TMDS"
> >>
> >> however with this line, when X is started, the T42 internal lcd fades
> >> slowly from black to white and freezes the box and nothing appears on
> >> the ext lcd.  ctrl-alt-backspace does nothing, the box does not respon=
d
> >> to pings.
> >>
> >> However, I can successfully drive the DVI out with:
> >>
> >> Option "MonitorLayout" "TMDS"
> >>
> >> which leaves the T42 LCD on.  But this only works when attached to the
> >> port replicator with the DVI.  If not, xorg chokes.  Fair enough I gue=
ss?
> >>
> >> I have analog CRT working fine.
> >>
> >> So why does "LVDS,TMDS" not work and even so, die horribly?
> >>
> >
> >
> > The xorg radeon driver does not yet support LVDS plus internal TMDS.
> > I have an experimental patch to re-works the entire output/crtc
> > mapping stuff, but It still has some problems.  For now you can use
> > radeontool and a small hack to get it working:
> >
> > hack:
> > http://ozlabs.org/~jk/docs/mergefb/
>
> Thank you for the url.  This hack works on mobility 7500.
>
> >
> > radeon output rework:
> > http://ozlabs.org/~jk/docs/mergefb/
>
> Did you mean
>
> http://www.botchco.com/alex/xorg/superpatch/

whoops!  yeah that's it; my clipboard buffer must have been stale.

Alex

>
> In any case, looking forward to when the radeon rework is clean and ready=
.
>
> Thanks/Aidan
>
> >
> > Alex
> >
> >> Thanks/Aidan
> --
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