Commit 500f9ac3 authored Mar 17, 2020 by Chris Wilson

drm/i915/gt: Always reschedule the new heartbeat

In order to better respond to new heartbeat intervals given via sysfs,
always reprogramme an active heartbeat upon change (i.e. use
mod_delayed_work to reschedule rather than queue_delayed_work which
ignores an already active work.)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200317163208.30010-1-chris@chris-wilson.co.uk

parent ba69fb16

drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -31,7 +31,7 @@ static bool next_heartbeat(struct intel_engine_cs *engine)
		delay = msecs_to_jiffies_timeout(delay);
		if (delay >= HZ)
		delay = round_jiffies_up_relative(delay);
		schedule_delayed_work(&engine->heartbeat.work, delay);
		mod_delayed_work(system_wq, &engine->heartbeat.work, delay);

		return true;
		}