Mac mini PPC X.org 1.3.0 (Ubuntu gutsy) and Evesham Alqemi S LCD TV

[Alex Deucher]

On Jan 23, 2008 7:05 PM, Stuart Langridge <sil at kryogenix.org> wrote:
> > > Can I use radeontool regset to set the registers to what they look
> > > like after a VT switch? I'm loath to try that sort of thing without
> > > checking if it's OK in case I break my TV!
> >
> > The only register that's relevant here is FP_GEN_CNTL.  Based on your
> > diff, it looks like your mini uses internal tmds.  Set Option
> > "MacModel" "mini-internal" and try rebooting.
>
> Sadly, that didn't work. However! Once X starts (with the black
> screen), if I do:
>

Can you get me a reg dump when the screen is still black?

> sudo ./radeontool regset FP_GEN_CNTL $((0x000300cd))
>
> then X appears! No VT switch required!
>
> I'm not sure what this means for the driver -- knowing how to patch
> that in for my setup is way above my capabilities -- but presumably I
> can drop that into a shell script somewhere as part of the X startup
> procedure?

I'd prefer to fix it i the driver if you are up for a bit more debugging.

Alex