On Thu, Jul 05, 2012 at 05:14:01PM +0100, Chris Wilson wrote: > Having had to dive into the bspec to understand what each stage of the > workaround meant, and how that the ring broadcasting IDLE corresponded > with the GT powering down the ring (i.e. rc6) add comments to aide > the next reader. > > And since the register "is used to control all aspects of PSMI and power > saving functions" that makes it quite interesting to inspect with > regards to RC6 hangs, so add it to the error-state. > > v2: Rediscover the piece of magic, set the RNCID to 0 before waiting for > the ring to wake up. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> Queued for -next, thanks for the patch. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48
