drm/i915: Keep MCHBAR always enabled
authorZhenyu Wang <zhenyuw@linux.intel.com>
Thu, 17 Dec 2009 06:48:43 +0000 (14:48 +0800)
committerEric Anholt <eric@anholt.net>
Tue, 16 Feb 2010 19:48:43 +0000 (11:48 -0800)
commitc4804411691bdd7d8a57e942cbb502fd52a90074
tree531ffc5769370909b692336e32c51c44f04a6cbd
parent29105ccc43ead5a0179d04b1404611981e92e278
drm/i915: Keep MCHBAR always enabled

As we need more and more controls within MCHBAR for memory config and
power management, this trys to keep MCHBAR enabled from driver load and
only tear down in driver unload.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem_tiling.c