On Thu, Apr 18, 2019 at 5:55 PM Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx> wrote: > > Hi Daniel, > > On Thu, 2019-04-18 at 10:18 +0200, Daniel Vetter wrote: > > On Wed, Apr 17, 2019 at 08:10:15PM +0200, Paul Kocialkowski wrote: > > > Hi Nicolas, > > > > > > I'm detaching this thread from our V4L2 stateless decoding spec since > > > it has drifted off and would certainly be interesting to DRM folks as > > > well! > > > > > > For context: I was initially talking about writing up support for the > > > Allwinner 2D engine as a DRM render driver, where I'd like to be able > > > to batch jobs that affect the same destination buffer to only signal > > > the out fence once when the batch is done. We have a similar issue in > > > v4l2 where we'd like the destination buffer for a set of requests (each > > > covering one H264 slice) to be marked as done once the set was decoded. > > > Out of curiosity, what area did you find a 2D blitter useful for? Best regards, Tomasz