Add a simple test that checks whether the action is indeed called right
away and that it is not called on the final drm_dev_put().
Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
---
drivers/gpu/drm/tests/drm_managed_test.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/tests/drm_managed_test.c b/drivers/gpu/drm/tests/drm_managed_test.c
index cabe6360aef71..8dfbea21c35c5 100644
--- a/drivers/gpu/drm/tests/drm_managed_test.c
+++ b/drivers/gpu/drm/tests/drm_managed_test.c
@@ -44,6 +44,29 @@ static void drm_test_managed_run_action(struct kunit *test)
KUNIT_EXPECT_GT(test, ret, 0);
}
+static void drm_test_managed_release_action(struct kunit *test)
+{
+ struct managed_test_priv *priv = test->priv;
+ int ret;
+
+ ret = drmm_add_action_or_reset(&priv->drm, drm_action, priv);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ ret = drm_dev_register(&priv->drm, 0);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drmm_release_action(&priv->drm, drm_action, priv);
+ KUNIT_EXPECT_TRUE(test, priv->action_done);
+ priv->action_done = false;
+
+ drm_dev_unregister(&priv->drm);
+ drm_kunit_helper_free_device(test, priv->drm.dev);
+
+ ret = wait_event_interruptible_timeout(priv->action_wq, priv->action_done,
+ msecs_to_jiffies(TEST_TIMEOUT_MS));
+ KUNIT_EXPECT_EQ(test, ret, 0);
+}
+
static int drm_managed_test_init(struct kunit *test)
{
struct managed_test_priv *priv;
@@ -65,6 +88,7 @@ static int drm_managed_test_init(struct kunit *test)
static struct kunit_case drm_managed_tests[] = {
KUNIT_CASE(drm_test_managed_run_action),
+ KUNIT_CASE(drm_test_managed_release_action),
{}
};
--
2.43.0
