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 <[email protected]> --- 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
