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ecc24fc371
make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_kunit_helpers.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_buddy_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_cmdline_parser_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_connector_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_damage_helper_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_dp_mst_helper_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_exec_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_format_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_framebuffer_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_gem_shmem_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_managed_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_mm_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_modes_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_plane_helper_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_probe_helper_test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_rect_test.o Add the missing invocations of the MODULE_DESCRIPTION() macro. Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240606-md-drivers-gpu-drm-tests-v1-1-228ca6213969@quicinc.com
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
// 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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struct drm_device *drm;
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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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/*
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* The test verifies that the release action is called when
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* drmm_release_action is called.
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*/
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static void drm_test_managed_release_action(struct kunit *test)
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{
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struct managed_test_priv *priv = test->priv;
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int ret;
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ret = drmm_add_action_or_reset(priv->drm, drm_action, priv);
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KUNIT_EXPECT_EQ(test, ret, 0);
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ret = drm_dev_register(priv->drm, 0);
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KUNIT_ASSERT_EQ(test, ret, 0);
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drmm_release_action(priv->drm, drm_action, priv);
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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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drm_dev_unregister(priv->drm);
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drm_kunit_helper_free_device(test, priv->drm->dev);
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}
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/*
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* The test verifies that the release action is called automatically when the
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* device is released.
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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 = test->priv;
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int ret;
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ret = drmm_add_action_or_reset(priv->drm, drm_action, priv);
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KUNIT_EXPECT_EQ(test, ret, 0);
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ret = drm_dev_register(priv->drm, 0);
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KUNIT_ASSERT_EQ(test, ret, 0);
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drm_dev_unregister(priv->drm);
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drm_kunit_helper_free_device(test, priv->drm->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 int drm_managed_test_init(struct kunit *test)
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{
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struct managed_test_priv *priv;
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struct device *dev;
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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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/*
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* DRM device can't be embedded in priv, since priv->action_done needs
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* to remain allocated beyond both parent device and drm_device
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* lifetime.
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*/
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priv->drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*priv->drm), 0,
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DRIVER_MODESET);
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KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm);
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test->priv = priv;
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return 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_release_action),
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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_managed",
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.init = drm_managed_test_init,
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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_DESCRIPTION("KUnit DRM managed test suite");
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MODULE_LICENSE("GPL");
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