On Tue, 12 Apr 2011 18:31:51 -0700, Ben Widawsky wrote: > I think we have no other option since the first thing that > i915_driver_irq_handler() does is read IIR, which according to the limited > knowledge I have requires forcewake. I think the eventual plan will be to figure out if there are any frequently used registers which *don't* require forcewake. -- keith.packard@intel.com