Thanks Ville, The commit I mentioned below talks about a register at location 2084h. This location is marked as Reserved in the DevSNB PRM docs and only referenced once in reference to bit 2084h[7]. It seems to be some sort of a debug register. I can also see three more subsequent registers at 208ch a.s.o., so I imagine all of this stuff must be documented in this so-called B-Spec (which I am unable to locate on the website). Thanks, Nick > Date: Wed, 11 Jun 2014 13:07:04 +0300 > From: [email protected] > To: [email protected] > CC: [email protected] > Subject: Re: [Intel-gfx] Access to B-spec for DevSNB > > On Wed, Jun 11, 2014 at 06:52:15AM +0000, Nicolae Badiu wrote: > > Hey, > > > > With regard to this commit: > > http://lists.freedesktop.org/archives/intel-gfx/2012-December/023210.html > > > > How can I get access to this B-Spec document? > > The public documents are here: > https://01.org/linuxgraphics/documentation/driver-documentation-prms > > -- > Ville Syrjälä > Intel OTC
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