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drm/tests: Add test for drm_crtc_in_clone_mode()

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Add kunit test to validate drm_crtc_in_clone_mode() helper

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241216-concurrent-wb-v4-2-fe220297a7f0@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Jessica Zhang
2024-12-16 16:43:13 -08:00
committed by Dmitry Baryshkov
parent eee0912a71
commit 5a6e8c3694
1 changed files with 61 additions and 1 deletions
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62
drivers/gpu/drm/tests/drm_atomic_state_test.c
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@@ -17,6 +17,12 @@
#define DRM_TEST_CONN_0 BIT(0)
struct drm_clone_mode_test {
const char *name;
u32 encoder_mask;
int expected_result;
};
static const struct drm_display_mode drm_atomic_test_mode = {
DRM_MODE("1024x768", 0, 65000, 1024, 1048,
1184, 1344, 0, 768, 771, 777, 806, 0,
@@ -227,17 +233,71 @@ static void drm_test_check_connector_changed_modeset(struct kunit *test)
KUNIT_ASSERT_EQ(test, modeset_counter, initial_modeset_count + 1);
}
/*
* Test that the drm_crtc_in_clone_mode() helper can detect if a given CRTC
* state is in clone mode
*/
static void drm_test_check_in_clone_mode(struct kunit *test)
{
bool ret;
const struct drm_clone_mode_test *param = test->param_value;
struct drm_crtc_state *crtc_state;
crtc_state = kunit_kzalloc(test, sizeof(*crtc_state), GFP_KERNEL);
KUNIT_ASSERT_NOT_NULL(test, crtc_state);
crtc_state->encoder_mask = param->encoder_mask;
ret = drm_crtc_in_clone_mode(crtc_state);
KUNIT_ASSERT_EQ(test, ret, param->expected_result);
}
static void drm_check_in_clone_mode_desc(const struct drm_clone_mode_test *t,
char *desc)
{
sprintf(desc, "%s", t->name);
}
static const struct drm_clone_mode_test drm_clone_mode_tests[] = {
{
.name = "in_clone_mode",
.encoder_mask = DRM_TEST_ENC_0 | DRM_TEST_ENC_1,
.expected_result = true,
},
{
.name = "not_in_clone_mode",
.encoder_mask = DRM_TEST_ENC_0,
.expected_result = false,
},
};
KUNIT_ARRAY_PARAM(drm_check_in_clone_mode, drm_clone_mode_tests,
drm_check_in_clone_mode_desc);
static struct kunit_case drm_test_check_modeset_test[] = {
KUNIT_CASE(drm_test_check_connector_changed_modeset),
{}
};
static struct kunit_case drm_in_clone_mode_check_test[] = {
KUNIT_CASE_PARAM(drm_test_check_in_clone_mode,
drm_check_in_clone_mode_gen_params),
{}
};
static struct kunit_suite drm_test_check_modeset_test_suite = {
.name = "drm_validate_modeset",
.test_cases = drm_test_check_modeset_test,
};
kunit_test_suite(drm_test_check_modeset_test_suite);
static struct kunit_suite drm_in_clone_mode_check_test_suite = {
.name = "drm_validate_clone_mode",
.test_cases = drm_in_clone_mode_check_test,
};
kunit_test_suites(&drm_in_clone_mode_check_test_suite,
&drm_test_check_modeset_test_suite);
MODULE_AUTHOR("Jessica Zhang <quic_jesszhan@quicinc.com");
MODULE_DESCRIPTION("Test cases for the drm_atomic_helper functions");