drm/i915: Wait for the struct_mutex on idling

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When the system is idling, contention for struct_mutex should be low and
so we will be more efficient to wait for a contended mutex than
reschedule.

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/20190430094405.6127-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-04-30 10:44:04 +01:00

parent d5f9db2c2a

commit 8a9b36e258

1 changed files with 1 additions and 7 deletions

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drivers/gpu/drm/i915/i915_gem_pm.c

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