On Thu, Nov 01, 2012 at 09:26:26AM +0000, Chris Wilson wrote: > If we accumulate unpin tasks because we are pageflipping faster than the > system can schedule its workers, we can effectively create a > pin-leak. The solution taken here is to limit the number of unpin tasks > we have per-crtc and to flush those outstanding tasks if we accumulate > too many. This should prevent any jitter in the normal case, and also > prevent the hang if we should run too fast. > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=46991 > Reported-and-tested-by: Tvrtko Ursulin <tvrtko.ursulin at onelan.co.uk> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> Queued for -next with a note added to the commit message about the workqueue related deadlock. Thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
