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drm/i915: Do not serialize forcewake acquire across domains
authorTvrtko Ursulin <tvrtko.ursulin@intel.com>
Thu, 7 Apr 2016 16:04:34 +0000 (17:04 +0100)
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>
Tue, 12 Apr 2016 13:30:41 +0000 (14:30 +0100)
commita22d9f82e8691545ee96a491f98d8aa6854aba3f
treefb0813e126faeb35d3489f535c1a792de1ef0dbctree | snapshot
parentece090b993fe5a29c81e475e420fea5a955560cecommit | diff
drm/i915: Do not serialize forcewake acquire across domains

On platforms with multiple forcewake domains it seems more efficient
to request all desired ones and then to wait for acks to avoid
needlessly serializing on each domain.

v2: Rebase.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1460045074-1006-1-git-send-email-tvrtko.ursulin@linux.intel.com
drivers/gpu/drm/i915/intel_uncore.c diff | blob | history
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