[Nouveau] nouveau on G5 Macs

[Ilia Mirkin]

I suspect screen tearing (as it's usually defined) is to be expected.
Can you take a photo of what you're seeing, since I'm suspecting it's
more than regular screen tearing?

On Mon, Jun 22, 2020 at 12:08 PM Jeroen Diederen <jjhdiederen at zonnet.nl> wrote:
>
> Hi Ilia,
>
> I experience screen tearing for both 64k and 4k page size.
> My iMac G5 has an nVidia Geforce FX 5200 Ultra GPU.
>
> Regards,
> Jeroen
>
>   Ilia Mirkin schreef op 2020-06-22 17:25:
> > Which GPU do you have? The NV40 AGP board (GeForce 6800) works
> > particularly poorly. However as long as you go with 4k pages (and
> > there's no real benefit to 64k pages for most applications), basic
> > things should work. I wouldn't recommend using a GL-based compositor
> > though.
> >
> > Which distortion are you talking about?
> >
> > Cheers,
> >
> >   -ilia
> >
> > On Mon, Jun 22, 2020 at 11:10 AM Jeroen Diederen
> > <jjhdiederen at zonnet.nl> wrote:
> >>
> >> Hi all,
> >>
> >> I have been trying to solve nouveau issues on my iMac G5 for ages. As
> >> far as I can understand it, there is a problem with nouveau and page
> >> size mapping. I tried both 64K and 4K page size kernels and the the
> >> result is always distorted video.
> >> There is an old To-Do list, which says "fix the page size mapping
> >> problem on G5/64 bit for exposing fifo regs" on
> >> https://nouveau.freedesktop.org/wiki/ToDo/.
> >>
> >> Is there any chance that this bug will be fixed ? I am not a
> >> programmer,
> >> so I can't be of any help.
> >>
> >> Jeroen Diederen
> >> _______________________________________________
> >> Nouveau mailing list
> >> Nouveau at lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/nouveau