Commit 570af07d authored Jun 15, 2020 by Chris Wilson

drm/i915/gt: Don't flush the tasklet if not setup

If the tasklet is not being used, don't try and flush it.

Fixes: 59489387 ("drm/i915/gt: Add a safety submission flush in the heartbeat")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200615183935.17389-1-chris@chris-wilson.co.uk

parent 5a7eeb8b

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -1094,6 +1094,9 @@ void intel_engine_flush_submission(struct intel_engine_cs *engine)
		{
		struct tasklet_struct *t = &engine->execlists.tasklet;

		if (!t->func)
		return;

		/* Synchronise and wait for the tasklet on another CPU */
		tasklet_kill(t);