drm/i915: Avoid reading fbc registers in vain when fbc was never enabled.

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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>

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Rodrigo Vivi 2014-09-17 16:59:20 -04:00 • committed by Daniel Vetter

parent 01d06e9f96

commit 342e36c6b0

1 changed files with 6 additions and 0 deletions

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drivers/gpu/drm/i915/intel_pm.c

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