drm/i915: Do not serialize forcewake acquire across domains

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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

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Tvrtko Ursulin 2016-04-07 17:04:34 +01:00

parent 33c582c10a

commit 4e1176dd61

1 changed files with 3 additions and 1 deletions

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drivers/gpu/drm/i915/intel_uncore.c

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