[Mesa-dev] [PATCH] st/vdpau: remove nouveau target

[Ilia Mirkin]

On Sep 15, 2016 6:41 AM, "Emil Velikov" <emil.l.velikov at gmail.com> wrote:
>
> On 15 September 2016 at 10:56, Emil Velikov <emil.l.velikov at gmail.com>
wrote:
> > On 15 September 2016 at 02:54, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> >> On Wed, Sep 14, 2016 at 9:52 PM, Ilia Mirkin <imirkin at alum.mit.edu>
wrote:
> >>> Recent changes have been made to the VDPAU state tracker to make it
> >>> unusable with nouveau. Don't provide users with an awfully slow
> >>> "hardware" decoding option.
> >>>
> >>> [To preemptively answer the question that will invariably be asked -
> >>> this is due to the state tracker's use of PIPE_BIND_SHARED, which
> >>> nouveau uses to force GART placement to make things with with PRIME.
> >>> However when this is used for output surfaces, which are then blended
on
> >>> (the most common way of implementing an OSD), this results in
> >>> *incredibly* slow operation.]
> >>>
> >>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> >>
> >> Oops, meant to add a CC to mesa-stable, since the breakage was
> >> introduced in 12.0.
> >>
> > Just to double-check - by "breakage" and "unusable" you mean that it's
> > "awfully slow" correct ?

Yeah. Nowhere close to able to keep up if blending is enabled, which
happens whenever an osd is displayed.

> >
> > Do you/others have any plan to update the state-tracker and/or nouveau
> > to brings things back on par ?

No plans from me.

> >
> Scratch this question - I've just noticed the VDPAU patch which makes
> this one obsolete.

Either this or a "make it work again" patch needs to land.

  -ilia
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