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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-24 13:55:44 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-24 15:02:41 +0000 |
| commit | 177b7a52a16a0f9b9075119308ed3d8d5a8640cc (patch) | |
| tree | 0b2d170eb87b0ec1b18f96463af9dbf6684bf9dd /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | drm/i915/gt: Simplify virtual engine handling for execlists_hold() (diff) | |
| download | linux-dev-177b7a52a16a0f9b9075119308ed3d8d5a8640cc.tar.xz linux-dev-177b7a52a16a0f9b9075119308ed3d8d5a8640cc.zip | |
drm/i915/gt: ce->inflight updates are now serialised
Since schedule-in and schedule-out are now both always under the tasklet
bitlock, we can reduce the individual atomic operations to simple
instructions and worry less.
This notably eliminates the race observed with intel_context_inflight in
__engine_unpark().
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2583
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201224135544.1713-9-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
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