On Wed, Nov 16, 2011 at 9:16 AM, Keith Packard <[email protected]> wrote: > On Wed, 16 Nov 2011 16:49:40 +0100, Daniel Vetter <[email protected]> > wrote: > >> So we need to check whether DMAR is enabled (on the >> entire system, i.e. the variable exported for the ilk workaround is >> not good enough) > > Can you figure out what *would* be sufficient? Getting semaphores turned > on for the 99% who aren't enabling VT-d would be a fairly nice > performance improvement.
AFAICT my snb laptop has always been stable with semaphores and VT-d enabled. Is this problem possibly restricted to just desktop machines? I'm happy to test, since my box that can reproduce the hang instantly is still around. Also, rc6-by-default would be very nice. It decreases the total power consumption on my laptop from over 13W to around 8W. That's huge. --Andy _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
