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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-03 16:52:23 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-04 14:42:38 +0100 |
| commit | 56e0f78e47e47795873acbabab443029aa30bcb4 (patch) | |
| tree | 461b8e4a1d95084763c921116c74071246fc617b /tools/perf/scripts/python/bin | |
| parent | b7dc9395c5db2748aac24704d3f2d96f34f90f07 (diff) | |
| download | linux-56e0f78e47e47795873acbabab443029aa30bcb4.tar.gz linux-56e0f78e47e47795873acbabab443029aa30bcb4.zip | |
drm/i915/gt: Use caller provided forcewake for intel_mocs_init_engine
During post-reset resume, we call intel_mocs_init_engine to reinitialise
the MOCS registers. Suprisingly, especially when enhanced by lockdep,
the acquisition of the forcewake lock around each register write takes a
substantial portion of the reset time. We don't need to use the
individual forcewake here as we can assume that the caller is holding a
blanket forcewake for the reset&resume and the resume is serialised.
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/20190703155225.9501-2-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/bin')
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