commit | 76f8421f2a67cdecd616705b7a0c3750d6d42c05 | [log] [tgz] |
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author | Chris Wilson <chris@chris-wilson.co.uk> | Thu Jun 30 15:33:45 2016 +0100 |
committer | Chris Wilson <chris@chris-wilson.co.uk> | Thu Jun 30 15:42:34 2016 +0100 |
tree | ef1c0b47412308e20c7e839ffef4e199b95b965a | |
parent | 87273b7110a031c7b258f8c05efcd88194f79fe8 [diff] |
drm/i915: Perform Sandybridge BSD tail write under the forcewake Since we have a sequence of register reads and writes, we can reduce the latency of starting the BSD ring by performing all the mmio operations under the same forcewake wakeref. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1467297225-21379-62-git-send-email-chris@chris-wilson.co.uk