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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)
commit4e1176dd615f11b7cb6791205dfb21647bf4580a
treefb0813e126faeb35d3489f535c1a792de1ef0dbctree | snapshot (tar.gz zip)
parent33c582c10aea6162711a11c1a7e6f21598fc3033commit | 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 | blame | history
Motorola kernel-slsi