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| author | Chris Wilson <[email protected]> | 2016-07-01 17:23:22 +0100 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2016-07-01 21:00:54 +0100 |
| commit | 7ec2c73b1dbe1cd83c52e4a386b2070331c5414c (patch) | |
| tree | 0faada890779390eadda15dcc3d99952035a06a1 /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | f8973c217f07903247d222ab92ad37e2529aff2e (diff) | |
drm/i915: Check the CPU cached value in HWS of seqno after waking the waiter
If we have multiple waiters, we may find that many complete on the same
wake up. If we first inspect the seqno from the CPU cache, we may reduce
the number of heavyweight coherent seqno reads we require.
Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Tvrtko Ursulin <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
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