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authorChris Wilson <chris@chris-wilson.co.uk>2019-10-23 14:31:08 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-10-23 23:52:10 +0100
commit058179e72e0956a2dfe4927db6cbe5fbfb2406aa (patch)
treec187567f6a2c286a45d28f88189313df6856ce31 /drivers/gpu/drm/i915/gt/intel_gt_pm.c
parent2e0986a58cc4f2e7f9e7ede19ec32b9c116d0068 (diff)
drm/i915/gt: Replace hangcheck by heartbeats
Replace sampling the engine state every so often with a periodic heartbeat request to measure the health of an engine. This is coupled with the forced-preemption to allow long running requests to survive so long as they do not block other users. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Jon Bloomfield <jon.bloomfield@intel.com> Reviewed-by: Jon Bloomfield <jon.bloomfield@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191023133108.21401-5-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_pm.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 06e73d56cfcf..aff4eda47819 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -47,7 +47,6 @@ static int __gt_unpark(struct intel_wakeref *wf)
i915_pmu_gt_unparked(i915);
- intel_gt_queue_hangcheck(gt);
intel_gt_unpark_requests(gt);
return 0;