i915/gem_exec_fence: Replace open-coded recursive batch with igt_spin_t

The only detail of note here was that we were creating a fence from the
recursive batch, now supported by igt_spin_t (thanks Tvrtko).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/igt_dummyload.c b/lib/igt_dummyload.c
index e02e8817..0e06276a 100644
--- a/lib/igt_dummyload.c
+++ b/lib/igt_dummyload.c
@@ -463,6 +463,16 @@ void igt_terminate_spins(void)
 	pthread_mutex_unlock(&list_lock);
 }
 
+void igt_unshare_spins(void)
+{
+	struct igt_spin *it, *n;
+
+	/* Disable the automatic termination on inherited spinners */
+	igt_list_for_each_safe(it, n, &spin_list, link)
+		igt_list_init(&it->link);
+	igt_list_init(&spin_list);
+}
+
 static uint32_t plug_vgem_handle(struct igt_cork *cork, int fd)
 {
 	struct vgem_bo bo;