Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/sched/tests: Add unit test for cancel_job()
The scheduler unit tests now provide a new callback, cancel_job(). This
callback gets used by drm_sched_fini() for all still pending jobs to
cancel them.
Implement a new unit test to test this.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://lore.kernel.org/r/20250710125412.128476-6-phasta@kernel.org
+42
+42
drivers/gpu/drm/scheduler/tests/tests_basic.c
+42
drivers/gpu/drm/scheduler/tests/tests_basic.c
···
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.test_cases = drm_sched_basic_tests,
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};
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static void drm_sched_basic_cancel(struct kunit *test)
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{
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struct drm_mock_sched_entity *entity;
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struct drm_mock_scheduler *sched;
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struct drm_mock_sched_job *job;
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bool done;
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+
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/*
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* Check that drm_sched_fini() uses the cancel_job() callback to cancel
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* jobs that are still pending.
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*/
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sched = drm_mock_sched_new(test, MAX_SCHEDULE_TIMEOUT);
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entity = drm_mock_sched_entity_new(test, DRM_SCHED_PRIORITY_NORMAL,
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sched);
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job = drm_mock_sched_job_new(test, entity);
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+
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drm_mock_sched_job_submit(job);
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done = drm_mock_sched_job_wait_scheduled(job, HZ);
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KUNIT_ASSERT_TRUE(test, done);
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+
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drm_mock_sched_entity_free(entity);
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drm_mock_sched_fini(sched);
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KUNIT_ASSERT_EQ(test, job->hw_fence.error, -ECANCELED);
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}
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static struct kunit_case drm_sched_cancel_tests[] = {
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KUNIT_CASE(drm_sched_basic_cancel),
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{}
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};
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+
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static struct kunit_suite drm_sched_cancel = {
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.name = "drm_sched_basic_cancel_tests",
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.init = drm_sched_basic_init,
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.exit = drm_sched_basic_exit,
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.test_cases = drm_sched_cancel_tests,
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};
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+
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static void drm_sched_basic_timeout(struct kunit *test)
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{
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struct drm_mock_scheduler *sched = test->priv;
···
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kunit_test_suites(&drm_sched_basic,
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&drm_sched_timeout,
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&drm_sched_cancel,
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&drm_sched_priority,
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&drm_sched_modify_sched,
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&drm_sched_credits);