drm/i915: Disable FBC on Ironlake to save 1W
authorAlex Shi <alex.shi@intel.com>
Fri, 19 Nov 2010 09:33:55 +0000 (09:33 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 19 Nov 2010 09:36:21 +0000 (09:36 +0000)
commit16c59ef33b389217c29122235e475557bc1412a1
tree3f6f80a9582d83b0ae051bc8f6d51cd25d2a992a
parente7dbb2f2f8ac843ab5e4d6a8e9a71d16089d324b
drm/i915: Disable FBC on Ironlake to save 1W

Frame buffer compression is broken on Ironlake due to buggy hardware.
Currently it is disabled through chicken bits, but it still consumes
over 1W more than if we simply never attempt to enable the FBC code
paths.

Signed-off-by: Alex Shi <alex.shi@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
drivers/gpu/drm/i915/i915_drv.c