[Nouveau] [PATCH] Add Option "DRI3" to allow to disable DRI3 under EXA.

[Pekka Paalanen]

On Sat, 18 Jul 2015 21:09:46 +1000
Dave Airlie <airlied at gmail.com> wrote:

> > Hm, a total removal would at least make me and my users rather unhappy atm.,
> > as without glamor no hw accel at all on >= maxwell. modesetting and nouveau
> > are not on par feature-wise atm. E.g., modesetting as of the next xorg 1.18
> > server only provides pageflipping via dri3/present and without pageflipping
> > it is game over for many of my use cases on nouveau-kms. Also modesetting
> > currently completely lacks ZaphodHeads support. Without ZaphodHeads i can't
> > have a page-flipped fullscreen window on one subset of outputs and a regular
> > desktop on another subset, something that is needed for
> > neuroscience/medical/vr applications.
> 
> So what would you want in modesetting to be on par?
> 
> DRI2 pageflipping?
> zaphod heads?
> 
> anything else? I would like for F23 to ship a modesetting which I can
> replace intel/nouveau/ati with.

Hi,

FYI, it seems the Oculus Rift also prefers a ZaphodHeads setup.
http://blog.emarcs.org/blog/oculus-rift-direct-mode-on-linux/


Thanks,
pq