]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915/vlv: Remove check for Old Ack during forcewake
authorDeepak S <deepak.s@linux.intel.com>
Thu, 18 Sep 2014 13:21:50 +0000 (18:51 +0530)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 19 Sep 2014 12:43:25 +0000 (14:43 +0200)
commitf9fd6f16697874a2dbfd91c8928d2e083b6046d5
treeacfff4f1f952eed9cfaa37a3506e46177ecd0a92
parentc08158e6078db288bf05cb8aefcdb4edc0e17aa3
drm/i915/vlv: Remove check for Old Ack during forcewake

Based on the HW team inputs. We can should not wait for the old ack,
Waiting for old ack might fail, when other forcewake came before the
present one is desserted.

for example, if forcewake bit 0 was set and before it could get cleared
forcewake bit 1 got set, HW eventually clear bit 0, when the bit 1
is cleared. i.e, bit 1 is still sent then forcewake bit 0 will still be
set.

Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Add comment Ville requested.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_uncore.c