On Wed, Jan 04, 2012 at 09:05:51AM -0800, Keith Packard wrote: > On Wed, 4 Jan 2012 18:02:21 +0100, Daniel Vetter <daniel at ffwll.ch> wrote: > > > So I really don't like the busy-looping, especially now that > > semaphores are enabled by default for ivb. > > Alternatives are welcome; we have no other known fix for missing > sequence writes. See my patch, I'm pretty positive that I've successfully papered over it, at least on my machine here. Also, Chris has posted an alternative using irqs + a short timer as a backup a while ago. I like that much more. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48