Add a simple test that checks whether the action is called when drmm_managed_release is called. Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> --- drivers/gpu/drm/tests/drm_managed_test.c | 25 ++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_managed_test.c b/drivers/gpu/drm/tests/drm_managed_test.c index d936c879a4a30..76eb273c9b364 100644 --- a/drivers/gpu/drm/tests/drm_managed_test.c +++ b/drivers/gpu/drm/tests/drm_managed_test.c @@ -25,6 +25,30 @@ static void drm_action(struct drm_device *drm, void *ptr) wake_up_interruptible(&priv->action_wq); } +/* + * The test verifies that the release action is called when + * drmm_release_action is called. + */ +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); + ret = wait_event_interruptible_timeout(priv->action_wq, priv->action_done, + msecs_to_jiffies(TEST_TIMEOUT_MS)); + KUNIT_EXPECT_GT(test, ret, 0); + + drm_dev_unregister(priv->drm); + drm_kunit_helper_free_device(test, priv->drm->dev); +} + /* * The test verifies that the release action is called automatically when the * device is released. @@ -75,6 +99,7 @@ static int drm_managed_test_init(struct kunit *test) } static struct kunit_case drm_managed_tests[] = { + KUNIT_CASE(drm_test_managed_release_action), KUNIT_CASE(drm_test_managed_run_action), {} }; -- 2.43.0