72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <drm/drm_drv.h>
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#include <drm/drm_kunit_helpers.h>
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#include <drm/drm_managed.h>
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#include <kunit/resource.h>
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#include <linux/device.h>
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/* Ought to be enough for anybody */
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#define TEST_TIMEOUT_MS 100
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struct managed_test_priv {
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bool action_done;
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wait_queue_head_t action_wq;
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};
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static void drm_action(struct drm_device *drm, void *ptr)
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{
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struct managed_test_priv *priv = ptr;
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priv->action_done = true;
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wake_up_interruptible(&priv->action_wq);
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}
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static void drm_test_managed_run_action(struct kunit *test)
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{
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struct managed_test_priv *priv;
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struct drm_device *drm;
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struct device *dev;
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int ret;
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priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv);
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init_waitqueue_head(&priv->action_wq);
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dev = drm_kunit_helper_alloc_device(test);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
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drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*drm), 0, DRIVER_MODESET);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, drm);
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ret = drmm_add_action_or_reset(drm, drm_action, priv);
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KUNIT_EXPECT_EQ(test, ret, 0);
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ret = drm_dev_register(drm, 0);
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KUNIT_ASSERT_EQ(test, ret, 0);
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drm_dev_unregister(drm);
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drm_kunit_helper_free_device(test, dev);
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ret = wait_event_interruptible_timeout(priv->action_wq, priv->action_done,
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msecs_to_jiffies(TEST_TIMEOUT_MS));
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KUNIT_EXPECT_GT(test, ret, 0);
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}
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static struct kunit_case drm_managed_tests[] = {
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KUNIT_CASE(drm_test_managed_run_action),
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{}
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};
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static struct kunit_suite drm_managed_test_suite = {
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.name = "drm-test-managed",
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.test_cases = drm_managed_tests
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};
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kunit_test_suite(drm_managed_test_suite);
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MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>");
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MODULE_LICENSE("GPL");
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