diff mbox series

[2/6] drm/i915/pmu: Skip sampling engines with no enabled counters

Message ID 20230513015545.2807282-3-umesh.nerlige.ramappa@intel.com (mailing list archive)
State New, archived
Headers show
Series Add MTL PMU support for multi-gt | expand

Commit Message

Umesh Nerlige Ramappa May 13, 2023, 1:55 a.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

As we have more and more engines do not waste time sampling the ones no-
one is monitoring.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 67fa6cd77529..ba769f7fc385 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -339,6 +339,9 @@  engines_sample(struct intel_gt *gt, unsigned int period_ns)
 		return;
 
 	for_each_engine(engine, gt, id) {
+		if (!engine->pmu.enable)
+			continue;
+
 		if (!intel_engine_pm_get_if_awake(engine))
 			continue;