Re: Power Mac G5: Attempting to get 2D acceleration with nouveau and 6800 Ultra
On 09.05.2016 16:24, Bertrand Dekoninck wrote:
> I'm still on wheezy on PowerMac7.3 with Radeon-9600 AGP (rv350). It
> works without 3d (with fbdev I think)
> I did test once again Debian-8.5 last week on the same machine : it
> works as well now (it was kindof broken in 8.0).
> I didn't test video playback and 3d this time. The last time i did, 3d
> worked but there was an endianness bug with colors in gnome-shell. And
> it was slow (menus were slower than without 3d).
> The most painfull was a black screen and/or the inability to correctly
> configure the screen resolution of the screen due to a mismatch between
> the two DVI outputs of the card : the dedicated xorg option (Option
> "ReverseDDC") didn't work for me.
With KMS, the Xorg driver cannot handle this anymore, it needs to be
handled in the kernel driver. Maybe one of the existing radeon kernel
driver parameters (modinfo -p radeon) can be used for this, otherwise a
new parameter would need to be added.
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer