[PATCH 3/4] WIP - add local workqueue for SW fence selftest

[Luca Coelho]

Signed-off-by: Luca Coelho <luciano.coelho at intel.com>
---
 drivers/gpu/drm/i915/selftests/i915_sw_fence.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
index 0d3396751ac5..53def7868569 100644
--- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
@@ -525,12 +525,19 @@ static void task_ipc(struct work_struct *work)
 static int test_ipc(void *arg)
 {
 	struct task_ipc ipc;
+	struct workqueue_struct *wq;
 	int ret = 0;
 
+	wq = alloc_workqueue("i1915-selftest", 0, 0);
+	if (wq == NULL)
+		return -ENOMEM;
+
 	/* Test use of i915_sw_fence as an interprocess signaling mechanism */
 	ipc.in = alloc_fence();
-	if (!ipc.in)
-		return -ENOMEM;
+	if (!ipc.in) {
+		ret = -ENOMEM;
+		goto err_work;
+	}
 	ipc.out = alloc_fence();
 	if (!ipc.out) {
 		ret = -ENOMEM;
@@ -542,7 +549,7 @@ static int test_ipc(void *arg)
 
 	ipc.value = 0;
 	INIT_WORK_ONSTACK(&ipc.work, task_ipc);
-	queue_work(i915_wq, &ipc.work);
+	queue_work(wq, &ipc.work);
 
 	wait_for_completion(&ipc.started);
 
@@ -565,6 +572,9 @@ static int test_ipc(void *arg)
 	free_fence(ipc.out);
 err_in:
 	free_fence(ipc.in);
+err_work:
+	destroy_workqueue(wq);
+
 	return ret;
 }
 
-- 
2.39.2