Radeon/PowerPC: No video output after update 6.12.1 -> 6.12.99; 6.12.192

[Albrecht Dreß]

Am 23.04.10 21:58 schrieb(en) Alex Deucher:
> I'm not sure why it's not working.  Any chance you could bisect between the last working version and something more current to see what commit broke things?

I used to have xserver-xorg-video-radeon_6.12.1-0ubuntu2_powerpc.deb (from Jaunty) in the past, which worked perfectly.  After the upgrade to Ubuntu Lucid beta, this package is not usable any more, as dpkg complains that

  xserver-xorg-core conflicts with xserver-xorg-video-5
   xserver-xorg-video-radeon provides xserver-xorg-video-5 and is to be installed.

Trying other deb's around, version xserver-xorg-video-radeon_6.12.6-1_powerpc.deb from Debian Squeeze (and all later versions) can be installed, but show the issue.  So, basically, this narrows the down a little bit the root of the problem to 6.12.2 up to 6.12.6, inclusively.  Unfortunately, they are not available as deb's...

> Or dump the regs using radeontool in the working and non-working versions of the driver?

I attach the result of running "radeontool regs" for
- radeon.fbdev: working config, with 'Driver "fbdev"'
- radeon.mac-mini: somewhat working (too small/clipped), with 'Driver "radeon"' and 'Option "MacModel" "mini-internal"'
- radeon.radeon: broken outputwith 'Driver "radeon"'

I ran radeontool immediately after boot with the the gdm screen active, logging in from a second box via ssh.  I had to return the vga monitor, so there is nothing attached to the vga output.

Thanks, Albrecht.
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