On Sep 15, 2016 6:41 AM, "Emil Velikov" <emil.l.veli...@gmail.com> wrote: > > On 15 September 2016 at 10:56, Emil Velikov <emil.l.veli...@gmail.com> wrote: > > On 15 September 2016 at 02:54, Ilia Mirkin <imir...@alum.mit.edu> wrote: > >> On Wed, Sep 14, 2016 at 9:52 PM, Ilia Mirkin <imir...@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 <imir...@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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