R128 on Mac Powerbook (Pismo)

[Michel Dänzer]

On Sun, 2004-11-14 at 18:37 -0500, Alex Deucher wrote:
> On Sun, 14 Nov 2004 18:02:35 -0500, Brian Victor <bhv1 at psu.edu> wrote:
> > On Sun, Nov 14, 2004 at 05:49:33PM -0500, Alex Deucher wrote:
> > 
> > 
> > >On Sun, 14 Nov 2004 16:43:58 -0500, Brian Victor <bhv1 at psu.edu> wrote:
> > >>   2) I attempted a dual head setup.  The cursor will move off the right
> > >>      side of the screen, but the external display isn't getting a
> > >>      signal.  However, using m3mirror does turn the external display on,
> > >>      though of course in mirror mode rather than "spanned desktop."  Do
> > >>      I need to do something to turn the external display on?
> > >By default on ppc the r128 driver uses fbdev for mode setup.  you need
> > >to explicitly turn it off with:
> > >Option "UseFBDev" "false"
> > >in both your device sections so that the driver can set the modes
> > >itself.  Thanks for testing this!
> > 
> > Tried that and Xorg bailed with an error about being unable to read
> > V_BIOS.  I put updated conf and log at the same url with .2 suffixes.
> 
> hmmm... perhaps the r128 driver doesn't work on ppc without fbdev. 
> Unfortunately I don't have the hardware to test.

Indeed, it doesn't. It would need similar treatment to Benjamin
Herrenschmidt's pending radeon patch to avoid vgaHW on Macs.


-- 
Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer