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drm/exec: add test case for using a drm_exec multiple times

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Not really a common use case, but let's make sure that we don't
accidentially break that somehow.

CC: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230731123625.3766-2-christian.koenig@amd.com
This commit is contained in:
Christian König 2023-07-31 14:36:25 +02:00 committed by Boris Brezillon
parent 616bceae25
commit 991eb531f4
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/tests/drm_exec_test.c
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@ -167,6 +167,26 @@ static void test_prepare_array(struct kunit *test)
drm_exec_fini(&exec);
}
static void test_multiple_loops(struct kunit *test)
{
struct drm_exec exec;
drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
drm_exec_until_all_locked(&exec)
{
break;
}
drm_exec_fini(&exec);
drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
drm_exec_until_all_locked(&exec)
{
break;
}
drm_exec_fini(&exec);
KUNIT_SUCCEED(test);
}
static struct kunit_case drm_exec_tests[] = {
KUNIT_CASE(sanitycheck),
KUNIT_CASE(test_lock),
@ -174,6 +194,7 @@ static struct kunit_case drm_exec_tests[] = {
KUNIT_CASE(test_duplicates),
KUNIT_CASE(test_prepare),
KUNIT_CASE(test_prepare_array),
KUNIT_CASE(test_multiple_loops),
{}
};