drm/i915: simplify pipe checking
authorEugeni Dodonov <eugeni.dodonov@intel.com>
Sun, 8 Jan 2012 01:40:34 +0000 (23:40 -0200)
committerKeith Packard <keithp@keithp.com>
Mon, 9 Jan 2012 22:17:25 +0000 (14:17 -0800)
This is also handled by i915_reg.h, so just reuse this trick to reduce
universe entropy.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Cyril Brulebois <kibi@debian.org>
Signed-off-by: Keith Packard <keithp@keithp.com>

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