Linux kernel bug fix: drm/i915/gt: Only drop heartbeat.systole if the sole owner
Subsystem: gpu/i915 (drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c)
Bug type: hang, severity: medium
Files changed: drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
Introduced by Chris Wilson on 2019-10-23 23:52:10 +0100; fixed by Chris Wilson on 2019-11-11 10:29:47 +0200 (lifetime: 18 days)