[PATCH] drm: turn syncobj timeline support off by default

[Dave Airlie]

On Tue, 16 Apr 2019 at 06:05, Lionel Landwerlin
<lionel.g.landwerlin at intel.com> wrote:
>
> On 15/04/2019 20:52, Dave Airlie wrote:
> > On Tue, 16 Apr 2019 at 05:48, Lionel Landwerlin
> > <lionel.g.landwerlin at intel.com> wrote:
> >> Unfortunately userspace users of this API cannot be publicly disclosed
> >> yet so disable this stuff by default until all is revealed.
> > This begs the question how userspace is meant to know we support these?
> >
> > Is there a CAP for it? if not why not?
> >
> > Dave.
> >
> This comes with a submission path, so in i915 I've added a CAP.
>
> AMD seems to have a versioned interface.

I think we would do like we did for syncobjs, you have a generic cap
that the driver controls.

The versioned interface won't be useful if we decide to backport a fix for this.

Dave.

>
>
> -Lionel
>