diff options
Diffstat (limited to 'drivers/gpu/drm/tests/drm_connector_test.c')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_connector_test.c | 1744 |
1 files changed, 1743 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c index c66aa2dc8d9d..22e2d959eb31 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -3,10 +3,1271 @@ * Kunit test for drm_modes functions */ +#include <linux/i2c.h> + +#include <drm/drm_atomic_state_helper.h> #include <drm/drm_connector.h> +#include <drm/drm_drv.h> +#include <drm/drm_edid.h> +#include <drm/drm_file.h> +#include <drm/drm_kunit_helpers.h> +#include <drm/drm_modes.h> + +#include <drm/display/drm_hdmi_helper.h> #include <kunit/test.h> +#include "../drm_crtc_internal.h" + +struct drm_connector_init_priv { + struct drm_device drm; + struct drm_connector connector; + struct i2c_adapter ddc; +}; + +static const struct drm_connector_hdmi_funcs dummy_hdmi_funcs = { +}; + +static const struct drm_connector_funcs dummy_funcs = { + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .reset = drm_atomic_helper_connector_reset, +}; + +static int dummy_ddc_xfer(struct i2c_adapter *adapter, + struct i2c_msg *msgs, int num) +{ + return num; +} + +static u32 dummy_ddc_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm dummy_ddc_algorithm = { + .master_xfer = dummy_ddc_xfer, + .functionality = dummy_ddc_func, +}; + +static void i2c_del_adapter_wrapper(void *ptr) +{ + struct i2c_adapter *adap = ptr; + + i2c_del_adapter(adap); +} + +static int drm_test_connector_init(struct kunit *test) +{ + struct drm_connector_init_priv *priv; + struct device *dev; + int ret; + + dev = drm_kunit_helper_alloc_device(test); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev); + + priv = drm_kunit_helper_alloc_drm_device(test, dev, + struct drm_connector_init_priv, drm, + DRIVER_MODESET | DRIVER_ATOMIC); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv); + + strscpy(priv->ddc.name, "dummy-connector-ddc", sizeof(priv->ddc.name)); + priv->ddc.owner = THIS_MODULE; + priv->ddc.algo = &dummy_ddc_algorithm; + priv->ddc.dev.parent = dev; + + ret = i2c_add_adapter(&priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + ret = kunit_add_action_or_reset(test, i2c_del_adapter_wrapper, &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + test->priv = priv; + return 0; +} + +/* + * Test that the registration of a bog standard connector works as + * expected and doesn't report any error. + */ +static void drm_test_drmm_connector_init(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_init(&priv->drm, &priv->connector, + &dummy_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +/* + * Test that the registration of a connector without a DDC adapter + * doesn't report any error. + */ +static void drm_test_drmm_connector_init_null_ddc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_init(&priv->drm, &priv->connector, + &dummy_funcs, + DRM_MODE_CONNECTOR_HDMIA, + NULL); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +/* + * Test that the registration of a connector succeeds for all possible + * connector types. + */ +static void drm_test_drmm_connector_init_type_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + unsigned int connector_type = *(unsigned int *)test->param_value; + int ret; + + ret = drmm_connector_init(&priv->drm, &priv->connector, + &dummy_funcs, + connector_type, + &priv->ddc); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +static const unsigned int drm_connector_init_type_valid_tests[] = { + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_VGA, + DRM_MODE_CONNECTOR_DVII, + DRM_MODE_CONNECTOR_DVID, + DRM_MODE_CONNECTOR_DVIA, + DRM_MODE_CONNECTOR_Composite, + DRM_MODE_CONNECTOR_SVIDEO, + DRM_MODE_CONNECTOR_LVDS, + DRM_MODE_CONNECTOR_Component, + DRM_MODE_CONNECTOR_9PinDIN, + DRM_MODE_CONNECTOR_DisplayPort, + DRM_MODE_CONNECTOR_HDMIA, + DRM_MODE_CONNECTOR_HDMIB, + DRM_MODE_CONNECTOR_TV, + DRM_MODE_CONNECTOR_eDP, + DRM_MODE_CONNECTOR_VIRTUAL, + DRM_MODE_CONNECTOR_DSI, + DRM_MODE_CONNECTOR_DPI, + DRM_MODE_CONNECTOR_WRITEBACK, + DRM_MODE_CONNECTOR_SPI, + DRM_MODE_CONNECTOR_USB, +}; + +static void drm_connector_init_type_desc(const unsigned int *type, char *desc) +{ + sprintf(desc, "%s", drm_get_connector_type_name(*type)); +} + +KUNIT_ARRAY_PARAM(drm_connector_init_type_valid, + drm_connector_init_type_valid_tests, + drm_connector_init_type_desc); + +static struct kunit_case drmm_connector_init_tests[] = { + KUNIT_CASE(drm_test_drmm_connector_init), + KUNIT_CASE(drm_test_drmm_connector_init_null_ddc), + KUNIT_CASE_PARAM(drm_test_drmm_connector_init_type_valid, + drm_connector_init_type_valid_gen_params), + { } +}; + +static struct kunit_suite drmm_connector_init_test_suite = { + .name = "drmm_connector_init", + .init = drm_test_connector_init, + .test_cases = drmm_connector_init_tests, +}; + +static const struct drm_connector_funcs dummy_dynamic_init_funcs = { + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .reset = drm_atomic_helper_connector_reset, + .destroy = drm_connector_cleanup, +}; + +/* + * Test that the initialization of a bog standard dynamic connector works + * as expected and doesn't report any error. + */ +static void drm_test_drm_connector_dynamic_init(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + DRM_MODE_CONNECTOR_DisplayPort, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); +} + +static void drm_test_connector_dynamic_init_cleanup(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + + drm_connector_cleanup(connector); +} + +/* + * Test that the initialization of a dynamic connector without a DDC adapter + * doesn't report any error. + */ +static void drm_test_drm_connector_dynamic_init_null_ddc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + DRM_MODE_CONNECTOR_DisplayPort, + NULL); + KUNIT_ASSERT_EQ(test, ret, 0); +} + +/* + * Test that the initialization of a dynamic connector doesn't add the + * connector to the connector list. + */ +static void drm_test_drm_connector_dynamic_init_not_added(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + DRM_MODE_CONNECTOR_DisplayPort, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + KUNIT_ASSERT_PTR_EQ(test, connector->head.next, &connector->head); +} + +static void test_connector_property(struct kunit *test, + struct drm_connector *connector, + const struct drm_property *expected_prop) +{ + struct drm_property *prop; + uint64_t val; + int ret; + + KUNIT_ASSERT_NOT_NULL(test, expected_prop); + prop = drm_mode_obj_find_prop_id(&connector->base, expected_prop->base.id); + KUNIT_ASSERT_PTR_EQ_MSG(test, prop, expected_prop, + "Can't find property %s", expected_prop->name); + + ret = drm_object_property_get_default_value(&connector->base, prop, &val); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_EQ(test, val, 0); + + /* TODO: Check property value in the connector state. */ +} + +/* + * Test that the initialization of a dynamic connector adds all the expected + * properties to it. + */ +static void drm_test_drm_connector_dynamic_init_properties(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + struct drm_mode_config *config = &priv->drm.mode_config; + const struct drm_property *props[] = { + config->edid_property, + config->dpms_property, + config->link_status_property, + config->non_desktop_property, + config->tile_property, + config->prop_crtc_id, + }; + int ret; + int i; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + DRM_MODE_CONNECTOR_DisplayPort, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + for (i = 0; i < ARRAY_SIZE(props); i++) + test_connector_property(test, connector, props[i]); +} + +/* + * Test that the initialization of a dynamic connector succeeds for all + * possible connector types. + */ +static void drm_test_drm_connector_dynamic_init_type_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + unsigned int connector_type = *(unsigned int *)test->param_value; + int ret; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + connector_type, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); +} + +/* + * Test that the initialization of a dynamic connector sets the expected name + * for it for all possible connector types. + */ +static void drm_test_drm_connector_dynamic_init_name(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + unsigned int connector_type = *(unsigned int *)test->param_value; + char expected_name[128]; + int ret; + + ret = drm_connector_dynamic_init(&priv->drm, connector, + &dummy_dynamic_init_funcs, + connector_type, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + snprintf(expected_name, sizeof(expected_name), "%s-%d", + drm_get_connector_type_name(connector_type), connector->connector_type_id); + KUNIT_ASSERT_STREQ(test, connector->name, expected_name); +} + +static struct kunit_case drm_connector_dynamic_init_tests[] = { + KUNIT_CASE(drm_test_drm_connector_dynamic_init), + KUNIT_CASE(drm_test_drm_connector_dynamic_init_null_ddc), + KUNIT_CASE(drm_test_drm_connector_dynamic_init_not_added), + KUNIT_CASE(drm_test_drm_connector_dynamic_init_properties), + KUNIT_CASE_PARAM(drm_test_drm_connector_dynamic_init_type_valid, + drm_connector_init_type_valid_gen_params), + KUNIT_CASE_PARAM(drm_test_drm_connector_dynamic_init_name, + drm_connector_init_type_valid_gen_params), + {} +}; + +static struct kunit_suite drm_connector_dynamic_init_test_suite = { + .name = "drm_connector_dynamic_init", + .init = drm_test_connector_init, + .exit = drm_test_connector_dynamic_init_cleanup, + .test_cases = drm_connector_dynamic_init_tests, +}; + +static int drm_test_connector_dynamic_register_early_init(struct kunit *test) +{ + struct drm_connector_init_priv *priv; + int ret; + + ret = drm_test_connector_init(test); + KUNIT_ASSERT_EQ(test, ret, 0); + + priv = test->priv; + + ret = drm_connector_dynamic_init(&priv->drm, &priv->connector, + &dummy_dynamic_init_funcs, + DRM_MODE_CONNECTOR_DisplayPort, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + return 0; +} + +static void drm_test_connector_dynamic_register_early_cleanup(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + + drm_connector_unregister(connector); + drm_connector_put(connector); +} + +/* + * Test that registration of a dynamic connector adds it to the connector list. + */ +static void drm_test_drm_connector_dynamic_register_early_on_list(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + KUNIT_ASSERT_TRUE(test, list_empty(&connector->head)); + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + KUNIT_ASSERT_PTR_EQ(test, connector->head.next, &priv->drm.mode_config.connector_list); +} + +/* + * Test that the registration of a dynamic connector before the drm device is + * registered results in deferring the connector's user interface registration. + */ +static void drm_test_drm_connector_dynamic_register_early_defer(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + KUNIT_ASSERT_EQ(test, connector->registration_state, DRM_CONNECTOR_INITIALIZING); +} + +/* + * Test that the registration of a dynamic connector fails, if this is done before + * the connector is initialized. + */ +static void drm_test_drm_connector_dynamic_register_early_no_init(struct kunit *test) +{ + struct drm_connector *connector; + int ret; + + connector = kunit_kzalloc(test, sizeof(*connector), GFP_KERNEL); /* auto freed */ + KUNIT_ASSERT_NOT_NULL(test, connector); + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, -EINVAL); +} + +/* + * Test that the registration of a dynamic connector before the drm device is + * registered results in deferring adding a mode object for the connector. + */ +static void drm_test_drm_connector_dynamic_register_early_no_mode_object(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + struct drm_connector *tmp_connector; + int ret; + + ret = drm_connector_dynamic_register(&priv->connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id); + KUNIT_ASSERT_NULL(test, tmp_connector); +} + +static struct kunit_case drm_connector_dynamic_register_early_tests[] = { + KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_on_list), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_defer), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_no_init), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_early_no_mode_object), + { } +}; + +static struct kunit_suite drm_connector_dynamic_register_early_test_suite = { + .name = "drm_connector_dynamic_register_early", + .init = drm_test_connector_dynamic_register_early_init, + .exit = drm_test_connector_dynamic_register_early_cleanup, + .test_cases = drm_connector_dynamic_register_early_tests, +}; + +static int drm_test_connector_dynamic_register_init(struct kunit *test) +{ + struct drm_connector_init_priv *priv; + int ret; + + ret = drm_test_connector_dynamic_register_early_init(test); + KUNIT_ASSERT_EQ(test, ret, 0); + + priv = test->priv; + + ret = drm_dev_register(priv->connector.dev, 0); + KUNIT_ASSERT_EQ(test, ret, 0); + + return 0; +} + +static void drm_test_connector_dynamic_register_cleanup(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_device *dev = priv->connector.dev; + + drm_connector_unregister(&priv->connector); + drm_connector_put(&priv->connector); + + drm_dev_unregister(dev); + + drm_test_connector_dynamic_register_early_cleanup(test); +} + +static void drm_test_drm_connector_dynamic_register_on_list(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + KUNIT_ASSERT_TRUE(test, list_empty(&priv->connector.head)); + + ret = drm_connector_dynamic_register(&priv->connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + KUNIT_ASSERT_PTR_EQ(test, priv->connector.head.next, &priv->drm.mode_config.connector_list); +} + +/* + * Test that the registration of a dynamic connector doesn't get deferred if + * this is done after the drm device is registered. + */ +static void drm_test_drm_connector_dynamic_register_no_defer(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + KUNIT_ASSERT_EQ(test, priv->connector.registration_state, DRM_CONNECTOR_INITIALIZING); + + ret = drm_connector_dynamic_register(&priv->connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + KUNIT_ASSERT_EQ(test, priv->connector.registration_state, DRM_CONNECTOR_REGISTERED); +} + +/* + * Test that the registration of a dynamic connector fails if this is done after the + * drm device is registered, but before the connector is initialized. + */ +static void drm_test_drm_connector_dynamic_register_no_init(struct kunit *test) +{ + struct drm_connector *connector; + int ret; + + connector = kunit_kzalloc(test, sizeof(*connector), GFP_KERNEL); /* auto freed */ + KUNIT_ASSERT_NOT_NULL(test, connector); + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, -EINVAL); +} + +/* + * Test that the registration of a dynamic connector after the drm device is + * registered adds the mode object for the connector. + */ +static void drm_test_drm_connector_dynamic_register_mode_object(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + struct drm_connector *tmp_connector; + int ret; + + tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id); + KUNIT_ASSERT_NULL(test, tmp_connector); + + ret = drm_connector_dynamic_register(&priv->connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + tmp_connector = drm_connector_lookup(connector->dev, NULL, connector->base.id); + KUNIT_ASSERT_PTR_EQ(test, tmp_connector, connector); +} + +/* + * Test that the registration of a dynamic connector after the drm device is + * registered adds the connector to sysfs. + */ +static void drm_test_drm_connector_dynamic_register_sysfs(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + int ret; + + KUNIT_ASSERT_NULL(test, connector->kdev); + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + KUNIT_ASSERT_NOT_NULL(test, connector->kdev); +} + +/* + * Test that the registration of a dynamic connector after the drm device is + * registered sets the connector's sysfs name as expected. + */ +static void drm_test_drm_connector_dynamic_register_sysfs_name(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + char expected_name[128]; + int ret; + + ret = drm_connector_dynamic_register(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + snprintf(expected_name, sizeof(expected_name), "card%d-%s", + connector->dev->primary->index, connector->name); + + KUNIT_ASSERT_STREQ(test, dev_name(connector->kdev), expected_name); +} + +/* + * Test that the registration of a dynamic connector after the drm device is + * registered adds the connector to debugfs. + */ +static void drm_test_drm_connector_dynamic_register_debugfs(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + KUNIT_ASSERT_NULL(test, priv->connector.debugfs_entry); + + ret = drm_connector_dynamic_register(&priv->connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + if (IS_ENABLED(CONFIG_DEBUG_FS)) + KUNIT_ASSERT_NOT_NULL(test, priv->connector.debugfs_entry); + else + KUNIT_ASSERT_NULL(test, priv->connector.debugfs_entry); +} + +static struct kunit_case drm_connector_dynamic_register_tests[] = { + KUNIT_CASE(drm_test_drm_connector_dynamic_register_on_list), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_no_defer), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_no_init), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_mode_object), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_sysfs), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_sysfs_name), + KUNIT_CASE(drm_test_drm_connector_dynamic_register_debugfs), + { } +}; + +static struct kunit_suite drm_connector_dynamic_register_test_suite = { + .name = "drm_connector_dynamic_register", + .init = drm_test_connector_dynamic_register_init, + .exit = drm_test_connector_dynamic_register_cleanup, + .test_cases = drm_connector_dynamic_register_tests, +}; + +/* + * Test that the registration of a bog standard connector works as + * expected and doesn't report any error. + */ +static void drm_test_connector_hdmi_init_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +/* + * Test that the registration of a connector without a DDC adapter + * doesn't report any error. + */ +static void drm_test_connector_hdmi_init_null_ddc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + NULL, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +/* + * Test that the registration of an HDMI connector with a NULL vendor + * fails. + */ +static void drm_test_connector_hdmi_init_null_vendor(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + NULL, "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of an HDMI connector with a NULL product + * fails. + */ +static void drm_test_connector_hdmi_init_null_product(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", NULL, + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of a connector with a valid, shorter than + * the max length, product name succeeds, and is stored padded with 0. + */ +static void drm_test_connector_hdmi_init_product_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const unsigned char expected_product[DRM_CONNECTOR_HDMI_PRODUCT_LEN] = { + 'P', 'r', 'o', 'd', + }; + const char *product_name = "Prod"; + int ret; + + KUNIT_ASSERT_LT(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", product_name, + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_MEMEQ(test, + priv->connector.hdmi.product, + expected_product, + sizeof(priv->connector.hdmi.product)); +} + +/* + * Test that the registration of a connector with a valid, at max + * length, product name succeeds, and is stored padded without any + * trailing \0. + */ +static void drm_test_connector_hdmi_init_product_length_exact(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const unsigned char expected_product[DRM_CONNECTOR_HDMI_PRODUCT_LEN] = { + 'P', 'r', 'o', 'd', 'u', 'c', 't', + 'P', 'r', 'o', 'd', 'u', 'c', 't', + 'P', 'r', + }; + const char *product_name = "ProductProductPr"; + int ret; + + KUNIT_ASSERT_EQ(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", product_name, + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_MEMEQ(test, + priv->connector.hdmi.product, + expected_product, + sizeof(priv->connector.hdmi.product)); +} + +/* + * Test that the registration of a connector with a product name larger + * than the maximum length fails. + */ +static void drm_test_connector_hdmi_init_product_length_too_long(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const char *product_name = "ProductProductProduct"; + int ret; + + KUNIT_ASSERT_GT(test, strlen(product_name), DRM_CONNECTOR_HDMI_PRODUCT_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", product_name, + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of a connector with a vendor name smaller + * than the maximum length succeeds, and is stored padded with zeros. + */ +static void drm_test_connector_hdmi_init_vendor_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const char expected_vendor[DRM_CONNECTOR_HDMI_VENDOR_LEN] = { + 'V', 'e', 'n', 'd', + }; + const char *vendor_name = "Vend"; + int ret; + + KUNIT_ASSERT_LT(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + vendor_name, "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_MEMEQ(test, + priv->connector.hdmi.vendor, + expected_vendor, + sizeof(priv->connector.hdmi.vendor)); +} + +/* + * Test that the registration of a connector with a vendor name at the + * maximum length succeeds, and is stored padded without the trailing + * zero. + */ +static void drm_test_connector_hdmi_init_vendor_length_exact(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const char expected_vendor[DRM_CONNECTOR_HDMI_VENDOR_LEN] = { + 'V', 'e', 'n', 'd', 'o', 'r', + 'V', 'e', + }; + const char *vendor_name = "VendorVe"; + int ret; + + KUNIT_ASSERT_EQ(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + vendor_name, "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_MEMEQ(test, + priv->connector.hdmi.vendor, + expected_vendor, + sizeof(priv->connector.hdmi.vendor)); +} + +/* + * Test that the registration of a connector with a vendor name larger + * than the maximum length fails. + */ +static void drm_test_connector_hdmi_init_vendor_length_too_long(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const char *vendor_name = "VendorVendor"; + int ret; + + KUNIT_ASSERT_GT(test, strlen(vendor_name), DRM_CONNECTOR_HDMI_VENDOR_LEN); + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + vendor_name, "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of a connector with an invalid maximum bpc + * count fails. + */ +static void drm_test_connector_hdmi_init_bpc_invalid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 9); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of a connector with a null maximum bpc + * count fails. + */ +static void drm_test_connector_hdmi_init_bpc_null(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 0); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of a connector with a maximum bpc count of + * 8 succeeds, registers the max bpc property, but doesn't register the + * HDR output metadata one. + */ +static void drm_test_connector_hdmi_init_bpc_8(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector_state *state; + struct drm_connector *connector = &priv->connector; + struct drm_property *prop; + uint64_t val; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + + prop = connector->max_bpc_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); + + ret = drm_object_property_get_default_value(&connector->base, prop, &val); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_EQ(test, val, 8); + + state = connector->state; + KUNIT_EXPECT_EQ(test, state->max_bpc, 8); + KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 8); + + prop = priv->drm.mode_config.hdr_output_metadata_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); +} + +/* + * Test that the registration of a connector with a maximum bpc count of + * 10 succeeds and registers the max bpc and HDR output metadata + * properties. + */ +static void drm_test_connector_hdmi_init_bpc_10(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector_state *state; + struct drm_connector *connector = &priv->connector; + struct drm_property *prop; + uint64_t val; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 10); + KUNIT_EXPECT_EQ(test, ret, 0); + + prop = connector->max_bpc_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); + + ret = drm_object_property_get_default_value(&connector->base, prop, &val); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_EQ(test, val, 10); + + state = connector->state; + KUNIT_EXPECT_EQ(test, state->max_bpc, 10); + KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 10); + + prop = priv->drm.mode_config.hdr_output_metadata_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); +} + +/* + * Test that the registration of a connector with a maximum bpc count of + * 12 succeeds and registers the max bpc and HDR output metadata + * properties. + */ +static void drm_test_connector_hdmi_init_bpc_12(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector_state *state; + struct drm_connector *connector = &priv->connector; + struct drm_property *prop; + uint64_t val; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 12); + KUNIT_EXPECT_EQ(test, ret, 0); + + prop = connector->max_bpc_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); + + ret = drm_object_property_get_default_value(&connector->base, prop, &val); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_EQ(test, val, 12); + + state = connector->state; + KUNIT_EXPECT_EQ(test, state->max_bpc, 12); + KUNIT_EXPECT_EQ(test, state->max_requested_bpc, 12); + + prop = priv->drm.mode_config.hdr_output_metadata_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); +} + +/* + * Test that the registration of an HDMI connector with no supported + * format fails. + */ +static void drm_test_connector_hdmi_init_formats_empty(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + 0, + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +/* + * Test that the registration of an HDMI connector not listing RGB as a + * supported format fails. + */ +static void drm_test_connector_hdmi_init_formats_no_rgb(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_YUV422), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +struct drm_connector_hdmi_init_formats_yuv420_allowed_test { + unsigned long supported_formats; + bool yuv420_allowed; + int expected_result; +}; + +#define YUV420_ALLOWED_TEST(_formats, _allowed, _result) \ + { \ + .supported_formats = BIT(HDMI_COLORSPACE_RGB) | (_formats), \ + .yuv420_allowed = _allowed, \ + .expected_result = _result, \ + } + +static const struct drm_connector_hdmi_init_formats_yuv420_allowed_test +drm_connector_hdmi_init_formats_yuv420_allowed_tests[] = { + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV420), true, 0), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV420), false, -EINVAL), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV422), true, -EINVAL), + YUV420_ALLOWED_TEST(BIT(HDMI_COLORSPACE_YUV422), false, 0), +}; + +static void +drm_connector_hdmi_init_formats_yuv420_allowed_desc(const struct drm_connector_hdmi_init_formats_yuv420_allowed_test *t, + char *desc) +{ + sprintf(desc, "supported_formats=0x%lx yuv420_allowed=%d", + t->supported_formats, t->yuv420_allowed); +} + +KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_formats_yuv420_allowed, + drm_connector_hdmi_init_formats_yuv420_allowed_tests, + drm_connector_hdmi_init_formats_yuv420_allowed_desc); + +/* + * Test that the registration of an HDMI connector succeeds only when + * the presence of YUV420 in the supported formats matches the value + * of the ycbcr_420_allowed flag. + */ +static void drm_test_connector_hdmi_init_formats_yuv420_allowed(struct kunit *test) +{ + const struct drm_connector_hdmi_init_formats_yuv420_allowed_test *params; + struct drm_connector_init_priv *priv = test->priv; + int ret; + + params = test->param_value; + priv->connector.ycbcr_420_allowed = params->yuv420_allowed; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + params->supported_formats, + 8); + KUNIT_EXPECT_EQ(test, ret, params->expected_result); +} + +/* + * Test that the registration of an HDMI connector with an HDMI + * connector type succeeds. + */ +static void drm_test_connector_hdmi_init_type_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + unsigned int connector_type = *(unsigned int *)test->param_value; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + connector_type, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); +} + +static const unsigned int drm_connector_hdmi_init_type_valid_tests[] = { + DRM_MODE_CONNECTOR_HDMIA, + DRM_MODE_CONNECTOR_HDMIB, +}; + +static void drm_connector_hdmi_init_type_desc(const unsigned int *type, char *desc) +{ + sprintf(desc, "%s", drm_get_connector_type_name(*type)); +} + +KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_valid, + drm_connector_hdmi_init_type_valid_tests, + drm_connector_hdmi_init_type_desc); + +/* + * Test that the registration of an HDMI connector with an !HDMI + * connector type fails. + */ +static void drm_test_connector_hdmi_init_type_invalid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + unsigned int connector_type = *(unsigned int *)test->param_value; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, &priv->connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + connector_type, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_LT(test, ret, 0); +} + +static const unsigned int drm_connector_hdmi_init_type_invalid_tests[] = { + DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_VGA, + DRM_MODE_CONNECTOR_DVII, + DRM_MODE_CONNECTOR_DVID, + DRM_MODE_CONNECTOR_DVIA, + DRM_MODE_CONNECTOR_Composite, + DRM_MODE_CONNECTOR_SVIDEO, + DRM_MODE_CONNECTOR_LVDS, + DRM_MODE_CONNECTOR_Component, + DRM_MODE_CONNECTOR_9PinDIN, + DRM_MODE_CONNECTOR_DisplayPort, + DRM_MODE_CONNECTOR_TV, + DRM_MODE_CONNECTOR_eDP, + DRM_MODE_CONNECTOR_VIRTUAL, + DRM_MODE_CONNECTOR_DSI, + DRM_MODE_CONNECTOR_DPI, + DRM_MODE_CONNECTOR_WRITEBACK, + DRM_MODE_CONNECTOR_SPI, + DRM_MODE_CONNECTOR_USB, +}; + +KUNIT_ARRAY_PARAM(drm_connector_hdmi_init_type_invalid, + drm_connector_hdmi_init_type_invalid_tests, + drm_connector_hdmi_init_type_desc); + +static struct kunit_case drmm_connector_hdmi_init_tests[] = { + KUNIT_CASE(drm_test_connector_hdmi_init_valid), + KUNIT_CASE(drm_test_connector_hdmi_init_bpc_8), + KUNIT_CASE(drm_test_connector_hdmi_init_bpc_10), + KUNIT_CASE(drm_test_connector_hdmi_init_bpc_12), + KUNIT_CASE(drm_test_connector_hdmi_init_bpc_invalid), + KUNIT_CASE(drm_test_connector_hdmi_init_bpc_null), + KUNIT_CASE(drm_test_connector_hdmi_init_formats_empty), + KUNIT_CASE(drm_test_connector_hdmi_init_formats_no_rgb), + KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_formats_yuv420_allowed, + drm_connector_hdmi_init_formats_yuv420_allowed_gen_params), + KUNIT_CASE(drm_test_connector_hdmi_init_null_ddc), + KUNIT_CASE(drm_test_connector_hdmi_init_null_product), + KUNIT_CASE(drm_test_connector_hdmi_init_null_vendor), + KUNIT_CASE(drm_test_connector_hdmi_init_product_length_exact), + KUNIT_CASE(drm_test_connector_hdmi_init_product_length_too_long), + KUNIT_CASE(drm_test_connector_hdmi_init_product_valid), + KUNIT_CASE(drm_test_connector_hdmi_init_vendor_length_exact), + KUNIT_CASE(drm_test_connector_hdmi_init_vendor_length_too_long), + KUNIT_CASE(drm_test_connector_hdmi_init_vendor_valid), + KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_valid, + drm_connector_hdmi_init_type_valid_gen_params), + KUNIT_CASE_PARAM(drm_test_connector_hdmi_init_type_invalid, + drm_connector_hdmi_init_type_invalid_gen_params), + { } +}; + +static struct kunit_suite drmm_connector_hdmi_init_test_suite = { + .name = "drmm_connector_hdmi_init", + .init = drm_test_connector_init, + .test_cases = drmm_connector_hdmi_init_tests, +}; + struct drm_get_tv_mode_from_name_test { const char *name; enum drm_connector_tv_mode expected_mode; @@ -36,6 +1297,7 @@ struct drm_get_tv_mode_from_name_test drm_get_tv_mode_from_name_valid_tests[] = TV_MODE_NAME("PAL-M", DRM_MODE_TV_MODE_PAL_M), TV_MODE_NAME("PAL-N", DRM_MODE_TV_MODE_PAL_N), TV_MODE_NAME("SECAM", DRM_MODE_TV_MODE_SECAM), + TV_MODE_NAME("Mono", DRM_MODE_TV_MODE_MONOCHROME), }; static void @@ -70,7 +1332,487 @@ static struct kunit_suite drm_get_tv_mode_from_name_test_suite = { .test_cases = drm_get_tv_mode_from_name_tests, }; -kunit_test_suite(drm_get_tv_mode_from_name_test_suite); +struct drm_hdmi_connector_get_broadcast_rgb_name_test { + unsigned int kind; + const char *expected_name; +}; + +#define BROADCAST_RGB_TEST(_kind, _name) \ + { \ + .kind = _kind, \ + .expected_name = _name, \ + } + +static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name(struct kunit *test) +{ + const struct drm_hdmi_connector_get_broadcast_rgb_name_test *params = + test->param_value; + + KUNIT_EXPECT_STREQ(test, + drm_hdmi_connector_get_broadcast_rgb_name(params->kind), + params->expected_name); +} + +static const +struct drm_hdmi_connector_get_broadcast_rgb_name_test +drm_hdmi_connector_get_broadcast_rgb_name_valid_tests[] = { + BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_AUTO, "Automatic"), + BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_FULL, "Full"), + BROADCAST_RGB_TEST(DRM_HDMI_BROADCAST_RGB_LIMITED, "Limited 16:235"), +}; + +static void +drm_hdmi_connector_get_broadcast_rgb_name_valid_desc(const struct drm_hdmi_connector_get_broadcast_rgb_name_test *t, + char *desc) +{ + sprintf(desc, "%s", t->expected_name); +} + +KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_broadcast_rgb_name_valid, + drm_hdmi_connector_get_broadcast_rgb_name_valid_tests, + drm_hdmi_connector_get_broadcast_rgb_name_valid_desc); + +static void drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid(struct kunit *test) +{ + KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_broadcast_rgb_name(3)); +}; + +static struct kunit_case drm_hdmi_connector_get_broadcast_rgb_name_tests[] = { + KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_broadcast_rgb_name, + drm_hdmi_connector_get_broadcast_rgb_name_valid_gen_params), + KUNIT_CASE(drm_test_drm_hdmi_connector_get_broadcast_rgb_name_invalid), + { } +}; + +static struct kunit_suite drm_hdmi_connector_get_broadcast_rgb_name_test_suite = { + .name = "drm_hdmi_connector_get_broadcast_rgb_name", + .test_cases = drm_hdmi_connector_get_broadcast_rgb_name_tests, +}; + +struct drm_hdmi_connector_get_output_format_name_test { + unsigned int kind; + const char *expected_name; +}; + +#define OUTPUT_FORMAT_TEST(_kind, _name) \ + { \ + .kind = _kind, \ + .expected_name = _name, \ + } + +static void drm_test_drm_hdmi_connector_get_output_format_name(struct kunit *test) +{ + const struct drm_hdmi_connector_get_output_format_name_test *params = + test->param_value; + + KUNIT_EXPECT_STREQ(test, + drm_hdmi_connector_get_output_format_name(params->kind), + params->expected_name); +} + +static const +struct drm_hdmi_connector_get_output_format_name_test +drm_hdmi_connector_get_output_format_name_valid_tests[] = { + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_RGB, "RGB"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV420, "YUV 4:2:0"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV422, "YUV 4:2:2"), + OUTPUT_FORMAT_TEST(HDMI_COLORSPACE_YUV444, "YUV 4:4:4"), +}; + +static void +drm_hdmi_connector_get_output_format_name_valid_desc(const struct drm_hdmi_connector_get_output_format_name_test *t, + char *desc) +{ + sprintf(desc, "%s", t->expected_name); +} + +KUNIT_ARRAY_PARAM(drm_hdmi_connector_get_output_format_name_valid, + drm_hdmi_connector_get_output_format_name_valid_tests, + drm_hdmi_connector_get_output_format_name_valid_desc); + +static void drm_test_drm_hdmi_connector_get_output_format_name_invalid(struct kunit *test) +{ + KUNIT_EXPECT_NULL(test, drm_hdmi_connector_get_output_format_name(4)); +}; + +static struct kunit_case drm_hdmi_connector_get_output_format_name_tests[] = { + KUNIT_CASE_PARAM(drm_test_drm_hdmi_connector_get_output_format_name, + drm_hdmi_connector_get_output_format_name_valid_gen_params), + KUNIT_CASE(drm_test_drm_hdmi_connector_get_output_format_name_invalid), + { } +}; + +static struct kunit_suite drm_hdmi_connector_get_output_format_name_test_suite = { + .name = "drm_hdmi_connector_get_output_format_name", + .test_cases = drm_hdmi_connector_get_output_format_name_tests, +}; + +static void drm_test_drm_connector_attach_broadcast_rgb_property(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + struct drm_property *prop; + int ret; + + ret = drmm_connector_init(&priv->drm, connector, + &dummy_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc); + KUNIT_ASSERT_EQ(test, ret, 0); + + ret = drm_connector_attach_broadcast_rgb_property(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + prop = connector->broadcast_rgb_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); +} + +static void drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + struct drm_connector *connector = &priv->connector; + struct drm_property *prop; + int ret; + + ret = drmm_connector_hdmi_init(&priv->drm, connector, + "Vendor", "Product", + &dummy_funcs, + &dummy_hdmi_funcs, + DRM_MODE_CONNECTOR_HDMIA, + &priv->ddc, + BIT(HDMI_COLORSPACE_RGB), + 8); + KUNIT_EXPECT_EQ(test, ret, 0); + + ret = drm_connector_attach_broadcast_rgb_property(connector); + KUNIT_ASSERT_EQ(test, ret, 0); + + prop = connector->broadcast_rgb_property; + KUNIT_ASSERT_NOT_NULL(test, prop); + KUNIT_EXPECT_NOT_NULL(test, drm_mode_obj_find_prop_id(&connector->base, prop->base.id)); +} + +static struct kunit_case drm_connector_attach_broadcast_rgb_property_tests[] = { + KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property), + KUNIT_CASE(drm_test_drm_connector_attach_broadcast_rgb_property_hdmi_connector), + { } +}; + +static struct kunit_suite drm_connector_attach_broadcast_rgb_property_test_suite = { + .name = "drm_connector_attach_broadcast_rgb_property", + .init = drm_test_connector_init, + .test_cases = drm_connector_attach_broadcast_rgb_property_tests, +}; + +/* + * Test that for a given mode, with 8bpc and an RGB output the TMDS + * character rate is equal to the mode pixel clock. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1000ULL, rate); +} + +/* + * Test that for a given mode, with 10bpc and an RGB output the TMDS + * character rate is equal to 1.25 times the mode pixel clock. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_RGB); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1250, rate); +} + +/* + * Test that for the VIC-1 mode, with 10bpc and an RGB output the TMDS + * character rate computation fails. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc_vic_1(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 1); + KUNIT_ASSERT_NOT_NULL(test, mode); + + rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_RGB); + KUNIT_EXPECT_EQ(test, rate, 0); +} + +/* + * Test that for a given mode, with 12bpc and an RGB output the TMDS + * character rate is equal to 1.5 times the mode pixel clock. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_RGB); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1500, rate); +} + +/* + * Test that for the VIC-1 mode, with 12bpc and an RGB output the TMDS + * character rate computation fails. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc_vic_1(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 1); + KUNIT_ASSERT_NOT_NULL(test, mode); + + rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_RGB); + KUNIT_EXPECT_EQ(test, rate, 0); +} + +/* + * Test that for a mode with the pixel repetition flag, the TMDS + * character rate is indeed double the mode pixel clock. + */ +static void drm_test_drm_hdmi_compute_mode_clock_rgb_double(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + unsigned long long rate; + struct drm_device *drm = &priv->drm; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 6); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_TRUE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_RGB); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, (mode->clock * 1000ULL) * 2, rate); +} + +/* + * Test that the TMDS character rate computation for the VIC modes + * explicitly listed in the spec as supporting YUV420 succeed and return + * half the mode pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv420_valid(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned long long rate; + unsigned int vic = *(unsigned int *)test->param_value; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_YUV420); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, (mode->clock * 1000ULL) / 2, rate); +} + +static const unsigned int drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[] = { + 96, 97, 101, 102, 106, 107, +}; + +static void drm_hdmi_compute_mode_clock_yuv420_vic_desc(const unsigned int *vic, char *desc) +{ + sprintf(desc, "VIC %u", *vic); +} + +KUNIT_ARRAY_PARAM(drm_hdmi_compute_mode_clock_yuv420_valid, + drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests, + drm_hdmi_compute_mode_clock_yuv420_vic_desc); + +/* + * Test that for a given mode listed supporting it and an YUV420 output + * with 10bpc, the TMDS character rate is equal to 0.625 times the mode + * pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv420_10_bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned int vic = + drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[0]; + unsigned long long rate; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_YUV420); + KUNIT_ASSERT_GT(test, rate, 0); + + KUNIT_EXPECT_EQ(test, mode->clock * 625, rate); +} + +/* + * Test that for a given mode listed supporting it and an YUV420 output + * with 12bpc, the TMDS character rate is equal to 0.75 times the mode + * pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv420_12_bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned int vic = + drm_hdmi_compute_mode_clock_yuv420_vic_valid_tests[0]; + unsigned long long rate; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, vic); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_YUV420); + KUNIT_ASSERT_GT(test, rate, 0); + + KUNIT_EXPECT_EQ(test, mode->clock * 750, rate); +} + +/* + * Test that for a given mode, the computation of the TMDS character + * rate with 8bpc and a YUV422 output succeeds and returns a rate equal + * to the mode pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv422_8_bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned long long rate; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 8, HDMI_COLORSPACE_YUV422); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); +} + +/* + * Test that for a given mode, the computation of the TMDS character + * rate with 10bpc and a YUV422 output succeeds and returns a rate equal + * to the mode pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv422_10_bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned long long rate; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 10, HDMI_COLORSPACE_YUV422); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); +} + +/* + * Test that for a given mode, the computation of the TMDS character + * rate with 12bpc and a YUV422 output succeeds and returns a rate equal + * to the mode pixel clock. + */ +static void drm_test_connector_hdmi_compute_mode_clock_yuv422_12_bpc(struct kunit *test) +{ + struct drm_connector_init_priv *priv = test->priv; + const struct drm_display_mode *mode; + struct drm_device *drm = &priv->drm; + unsigned long long rate; + + mode = drm_kunit_display_mode_from_cea_vic(test, drm, 16); + KUNIT_ASSERT_NOT_NULL(test, mode); + + KUNIT_ASSERT_FALSE(test, mode->flags & DRM_MODE_FLAG_DBLCLK); + + rate = drm_hdmi_compute_mode_clock(mode, 12, HDMI_COLORSPACE_YUV422); + KUNIT_ASSERT_GT(test, rate, 0); + KUNIT_EXPECT_EQ(test, mode->clock * 1000, rate); +} + +static struct kunit_case drm_hdmi_compute_mode_clock_tests[] = { + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb), + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc), + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_10bpc_vic_1), + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc), + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_12bpc_vic_1), + KUNIT_CASE(drm_test_drm_hdmi_compute_mode_clock_rgb_double), + KUNIT_CASE_PARAM(drm_test_connector_hdmi_compute_mode_clock_yuv420_valid, + drm_hdmi_compute_mode_clock_yuv420_valid_gen_params), + KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv420_10_bpc), + KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv420_12_bpc), + KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_8_bpc), + KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_10_bpc), + KUNIT_CASE(drm_test_connector_hdmi_compute_mode_clock_yuv422_12_bpc), + { } +}; + +static struct kunit_suite drm_hdmi_compute_mode_clock_test_suite = { + .name = "drm_test_connector_hdmi_compute_mode_clock", + .init = drm_test_connector_init, + .test_cases = drm_hdmi_compute_mode_clock_tests, +}; + +kunit_test_suites( + &drmm_connector_hdmi_init_test_suite, + &drmm_connector_init_test_suite, + &drm_connector_dynamic_init_test_suite, + &drm_connector_dynamic_register_early_test_suite, + &drm_connector_dynamic_register_test_suite, + &drm_connector_attach_broadcast_rgb_property_test_suite, + &drm_get_tv_mode_from_name_test_suite, + &drm_hdmi_compute_mode_clock_test_suite, + &drm_hdmi_connector_get_broadcast_rgb_name_test_suite, + &drm_hdmi_connector_get_output_format_name_test_suite +); MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>"); +MODULE_DESCRIPTION("Kunit test for drm_modes functions"); MODULE_LICENSE("GPL"); |