2018-01-10 Nicolas Dufresne <nicolas@xxxxxxxxxxxx>: > Le mercredi 10 janvier 2018 à 14:07 -0200, Gustavo Padovan a écrit : > > v7 bring a fix for a crash when not using fences and a uAPI fix. > > I've done a bit more of testing on it and also measured some > > performance. On a intel laptop a DRM<->V4L2 pipeline with fences is > > runnning twice as faster than the same pipeline with no fences. > > What does it mean twice faster here ? That capture then display on the screen for a given number of frames was completing in about half of the time when using fences and passing then to the other driver right away when they are received. Gustavo
