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drm/i915: Avoid reading fbc registers in vain when fbc was never enabled.
authorRodrigo Vivi <rodrigo.vivi@intel.com>
Wed, 17 Sep 2014 20:59:20 +0000 (16:59 -0400)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 19 Sep 2014 12:43:24 +0000 (14:43 +0200)
If it wasn't never enabled by kernel parameter or platform default
we can avoid reading registers so many times in vain

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c patch | blob | history

diff --cc drivers/gpu/drm/i915/intel_pm.c
Simple merge
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