[Intel-gfx] [PATCH 2/3] drm/i915: reference counted forcewake

[Keith Packard]

On Mon, 18 Apr 2011 10:31:43 -0700, Ben Widawsky <ben at bwidawsk.net> wrote:

> gen6_gt_force_wake_get()
> while(foo)
> 	i915_read32_awake()
> gen6_gt_force_wake_put()

Uh. Anything looping on registers might not want to hold the lock...

-- 
keith.packard at intel.com
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