libva decoding performance regression with kernel 4.0-rc

2015-04-10 Thread Olivier Crête
Hello, Thanks for the quick reply! With my real use-cases: 1. 9x 720p60 mpeg2 videos - 4.0-rc6: ~12 frames per second are on time - 4.0-rc6 + reverts: a stable 45 frames per second are on time - 044307a9: 40-45 frames per second are on time - 0a24802a: 45-46 frames per second are on time 2.

libva decoding performance regression with kernel 4.0-rc

2015-04-10 Thread Chris Wilson
On Thu, Apr 09, 2015 at 09:00:43PM -0400, Olivier Crête wrote: > Hello, > > Using an Atom E3845 board, we had a pretty bad performance regression > when upgrading to 4.0-rc6 from 3.19. With the help of git bisect, I > traced it back to commit 78a42377. Reverting this commit and subsequent > relat

libva decoding performance regression with kernel 4.0-rc

2015-04-09 Thread Olivier Crête
Hello, Using an Atom E3845 board, we had a pretty bad performance regression when upgrading to 4.0-rc6 from 3.19. With the help of git bisect, I traced it back to commit 78a42377. Reverting this commit and subsequent related commits (b9ffd80, 71745376, etc) fixes the performance regression for me.