How well does this work in practice? It means that unless someone else
is attempting to run we do not reset infinite loops. Maybe that is a
good thing.
Opens:
* This sacrifices error capture. Maybe make that an opt-in with a
watchdog.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/gt/intel_gt_pm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index ae7155f0e063..9a4e58d637ee 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -43,7 +43,8 @@ static int intel_gt_unpark(struct intel_wakeref *wf)
i915_pmu_gt_unparked(i915);
- i915_queue_hangcheck(i915);
+ if (!(i915->caps.scheduler & I915_SCHEDULER_CAP_PREEMPTION))
+ i915_queue_hangcheck(i915);
pm_notify(i915, INTEL_GT_UNPARK);
--
2.20.1
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