[Intel-gfx] force wake reference counting (another try)

[Keith Packard]

On Tue, 12 Apr 2011 18:31:51 -0700, Ben Widawsky <ben at bwidawsk.net> 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 at intel.com
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