[PATCH v3] drm/i915/selftests: Increasing the sleep time for live_rc6_manual

Sk Anirban sk.anirban at intel.com
Mon Feb 12 05:07:38 UTC 2024


From: Anirban Sk <sk.anirban at intel.com>

Sometimes gt_pm live_rc6_manual selftest fails due to no power being
measured for the rc6 disabled period. Therefore increasing the rc6 disable
period from 250ms to 1000ms to rule out such sporadic failure.

v3 : More descriptive and improved commit message (Anshuman)

Signed-off-by: Anirban Sk <sk.anirban at intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta at intel.com>
---
 drivers/gpu/drm/i915/gt/selftest_rc6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c b/drivers/gpu/drm/i915/gt/selftest_rc6.c
index a7189c2d660c..1aa1446c8fb0 100644
--- a/drivers/gpu/drm/i915/gt/selftest_rc6.c
+++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c
@@ -62,12 +62,12 @@ int live_rc6_manual(void *arg)
 
 	dt = ktime_get();
 	rc0_power = librapl_energy_uJ();
-	msleep(250);
+	msleep(1000);
 	rc0_power = librapl_energy_uJ() - rc0_power;
 	dt = ktime_sub(ktime_get(), dt);
 	res[1] = rc6_residency(rc6);
 	if ((res[1] - res[0]) >> 10) {
-		pr_err("RC6 residency increased by %lldus while disabled for 250ms!\n",
+		pr_err("RC6 residency increased by %lldus while disabled for 1000ms!\n",
 		       (res[1] - res[0]) >> 10);
 		err = -EINVAL;
 		goto out_unlock;
-- 
2.25.1



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