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(parent: 54d7195) | patch
drm/i915/pmu: Skip sampling engines if gt is asleep
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 18 Dec 2019 00:07:56 +0000 (00:07 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 18 Dec 2019 11:09:15 +0000 (11:09 +0000)
commitedb1ecad77d44e21a56e9b1bba747174379b2b54
tree88ec318815dac7d9378466dc82d5b37f8856c63etree
parent54d7195f8c64c83a13bd343e349b1bbf158c8aadcommit | diff
drm/i915/pmu: Skip sampling engines if gt is asleep

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
drivers/gpu/drm/i915/i915_pmu.c diff | blob | history
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