On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan <gustavo@xxxxxxxxxxx> wrote: > From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxx> > > Explicit synchronization benefits a lot from ordered queues, they fit > better in a pipeline with DRM for example so create a opt-in way for > drivers notify videobuf2 that the queue is unordered. > > Drivers don't need implement it if the queue is ordered. This is going to make user-space believe that *all* vb2 drivers use ordered queues by default, at least until non-ordered drivers catch up with this change. Wouldn't it be less dangerous to do the opposite (make queues non-ordered by default)?
