From: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
To: intel-gfx@lists.freedesktop.org, vinay.belgaumkar@intel.com
Subject: [PATCH 0/2] Fixup deadlock scenarios in the PMU path
Date: Thu, 10 Sep 2026 11:42:54 -0700 [thread overview]
Message-ID: <20260910184253.1231313-4-umesh.nerlige.ramappa@intel.com> (raw)
Based on one user report bug regarding a deadlock in the
guc_engine_busyness path, this series fixes such scenarios.
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Umesh Nerlige Ramappa (2):
drm/i915/guc: Use a delayed wakeref put in guc_engine_busyness()
drm/i915/pmu: Use a delayed wakeref put in get_rc6()
drivers/gpu/drm/i915/gt/intel_gt_pm.h | 24 +++++++++++++++++++
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 7 +++++-
drivers/gpu/drm/i915/i915_pmu.c | 7 +++++-
3 files changed, 36 insertions(+), 2 deletions(-)
--
2.55.0
next reply other threads:[~2026-09-10 18:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-10 18:42 Umesh Nerlige Ramappa [this message]
2026-09-10 18:42 ` [PATCH 1/2] drm/i915/guc: Use a delayed wakeref put in guc_engine_busyness() Umesh Nerlige Ramappa
2026-09-22 22:09 ` Belgaumkar, Vinay
2026-09-24 17:55 ` Umesh Nerlige Ramappa
2026-09-10 18:42 ` [PATCH 2/2] drm/i915/pmu: Use a delayed wakeref put in get_rc6() Umesh Nerlige Ramappa
2026-09-10 18:54 ` sashiko-bot
2026-09-16 21:50 ` Umesh Nerlige Ramappa
2026-09-22 22:11 ` Belgaumkar, Vinay
2026-09-24 17:02 ` Umesh Nerlige Ramappa
2026-09-10 22:13 ` ✓ i915.CI.BAT: success for Fixup deadlock scenarios in the PMU path Patchwork
2026-09-11 17:04 ` ✗ i915.CI.Full: failure " Patchwork
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