drm/i915/pmu: Skip sampling engines if gt is asleep

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If the whole GT is asleep, we know that each engine must also be asleep
and so we can quickly return without checking them all.

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/20191218000756.3475668-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-12-18 00:07:56 +00:00

parent 54d7195f8c

commit edb1ecad77

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/i915/i915_pmu.c

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