On Tue, Apr 10, 2012 at 02:30:20PM -0700, Ben Widawsky wrote: > On Sat, Mar 31, 2012 at 11:21:58AM +0200, Daniel Vetter wrote: > > Contrary to the other clock gating w/a in GEN6_UCGCTL1, this one is > > actually documented in Bspec, vol1g "GT Interface Registers [SNB]", > > Section 1.5.1 "UCGCTL1 - Unit Level Clock Gating Control 1". > > > > Supposedly this can prevent hangs on the media ring. > > > > Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch> > > --- > > According to my bspec, this is IVB A0 only. ie. nobody should ever need > this. My bad... needed on SNB only, and not IVB.
