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 <[email protected]> Cc: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/i915_pmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 5f2adfbf85be..00325471be90 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -312,6 +312,9 @@ engines_sample(struct intel_gt *gt, unsigned int period_ns) if ((i915->pmu.enable & ENGINE_SAMPLE_MASK) == 0) return; + if (!intel_gt_pm_is_awake(gt)) + return; + for_each_engine(engine, gt, id) { struct intel_engine_pmu *pmu = &engine->pmu; spinlock_t *mmio_lock; -- 2.24.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
