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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-13 13:01:02 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-13 13:57:57 +0100 |
| commit | 190980187e2b66397da6eaec1d25b3e3272c2361 (patch) | |
| tree | 38c22d2acf4db021cfd231a791a809401b685bc4 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | drm/i915: Pass i915_sched_node around internally (diff) | |
| download | wireguard-linux-190980187e2b66397da6eaec1d25b3e3272c2361.tar.xz wireguard-linux-190980187e2b66397da6eaec1d25b3e3272c2361.zip | |
drm/i915: Check for no-op priority changes first
In all likelihood, the priority and node are already in the CPU cache
and by checking them first, we can avoid having to chase the
*request->hwsp for the current breadcrumb.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190513120102.29660-3-chris@chris-wilson.co.uk
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