On Tue, Jan 08, 2013 at 11:02:57AM +0000, Chris Wilson wrote: > When adding the fb idle detection to mark-inactive, it was forgotten > that userspace can drive the processing of retire-requests. We assumed > that it would be principally driven by the retire requests worker, > running once every second whilst active and so we would get the deferred > timer for free. Instead we spend too many CPU cycles reclocking the LVDS > preventing real work from being done. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> > Reported-and-tested-by: Alexander Lam <lambchop468 at gmail.com> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=58843 > Cc: stable at vger.kernel.org Poke. -Chris -- Chris Wilson, Intel Open Source Technology Centre
