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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-02-27 08:57:06 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-02-28 14:05:34 +0000 |
| commit | d236e2ac535aee1ee19684427edd3654bac143a4 (patch) | |
| tree | 25f21c79635adb04b7bebbfe6621860d5ca2aaca /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | drm/i915/perf: Mark up the racy use of perf->exclusive_stream (diff) | |
drm/i915/perf: Manually acquire engine-wakeref around use of kernel_context
The engine->kernel_context is a special case for request emission. Since
it is used as the barrier within the engine's wakeref, we must acquire the
wakeref before submitting a request to the kernel_context.
Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200227085723.1961649-3-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions