drm/i915: initialize gen6 rps work queue on Sandy Bridge and Ivy Bridge
authorJesse Barnes <jbarnes@virtuousgeek.org>
Wed, 18 May 2011 20:51:43 +0000 (13:51 -0700)
committerKeith Packard <keithp@keithp.com>
Wed, 18 May 2011 22:14:39 +0000 (15:14 -0700)
It's not used on Ironlake, but is used on later generations, so make
sure it exists before we try to use it in the interrupt handlers.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

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