On Wed, Jul 06, 2016 at 12:17:55PM +0200, Mario Kleiner wrote: > Since i pulled the current drm-next tree i see strong flicker and > visual corruption during pageflipping, both in my own app, but also > in KDE4 and KDE5 Plasma with desktop composition enabled. This > happens on both Intel HD Ironake mobile (Apple MBP 2010) and HD-4000 > Ivybridge mobile (Apple macMini 2012). > > It looks like page flips are not waiting properly for rendering to > complete, showing partially rendered frames at flip time. > > If i revert Daniel's commit that switches legacy pageflips from the > old code path to the atomic code, all problems disappear, so > apparently the atomic code for Intel is not quite ready at least on > those parts? Exactly right, we've reverted the enabling patch for the time being. Daniel Stone has spotted the likely problem, but we also want to review the handling of state/old_state to see if the same problem has cropped up elsewhere. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
