// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2022 Maxime Ripard */ #include #include #include #include #include #include #include #include "drm_kunit_helpers.h" struct drm_client_modeset_test_priv { struct drm_device *drm; struct drm_connector connector; }; static int drm_client_modeset_connector_get_modes(struct drm_connector *connector) { return drm_add_modes_noedid(connector, 1920, 1200); } static const struct drm_connector_helper_funcs drm_client_modeset_connector_helper_funcs = { .get_modes = drm_client_modeset_connector_get_modes, }; static const struct drm_connector_funcs drm_client_modeset_connector_funcs = { }; static int drm_client_modeset_test_init(struct kunit *test) { struct drm_client_modeset_test_priv *priv; int ret; priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); KUNIT_ASSERT_NOT_NULL(test, priv); test->priv = priv; priv->drm = drm_kunit_device_init(test, DRIVER_MODESET, "drm-client-modeset-test"); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm); ret = drmm_connector_init(priv->drm, &priv->connector, &drm_client_modeset_connector_funcs, DRM_MODE_CONNECTOR_Unknown, NULL); KUNIT_ASSERT_EQ(test, ret, 0); drm_connector_helper_add(&priv->connector, &drm_client_modeset_connector_helper_funcs); return 0; } static void drm_test_pick_cmdline_res_1920_1080_60(struct kunit *test) { struct drm_client_modeset_test_priv *priv = test->priv; struct drm_device *drm = priv->drm; struct drm_connector *connector = &priv->connector; struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode; struct drm_display_mode *expected_mode, *mode; const char *cmdline = "1920x1080@60"; int ret; expected_mode = drm_mode_find_dmt(priv->drm, 1920, 1080, 60, false); KUNIT_ASSERT_NOT_NULL(test, expected_mode); KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline, connector, cmdline_mode)); mutex_lock(&drm->mode_config.mutex); ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080); mutex_unlock(&drm->mode_config.mutex); KUNIT_ASSERT_GT(test, ret, 0); mode = drm_connector_pick_cmdline_mode(connector); KUNIT_ASSERT_NOT_NULL(test, mode); KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode)); } static struct kunit_case drm_test_pick_cmdline_tests[] = { KUNIT_CASE(drm_test_pick_cmdline_res_1920_1080_60), {} }; static struct kunit_suite drm_test_pick_cmdline_test_suite = { .name = "drm_test_pick_cmdline", .init = drm_client_modeset_test_init, .test_cases = drm_test_pick_cmdline_tests }; kunit_test_suite(drm_test_pick_cmdline_test_suite);