]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commitc08158e6078db288bf05cb8aefcdb4edc0e17aa3
treebf0f9264b4dea4c5ec710285c133b23bb7f10ff8
parent542514be7b5e111d2ea5319fc56dc6100b49f121
drm/i915: Avoid reading fbc registers in vain when fbc was never enabled.

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