1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
new file mode 100644
index 000000000000..c66aa2dc8d9d
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Kunit test for drm_modes functions
+ */
+
+#include <drm/drm_connector.h>
+
+#include <kunit/test.h>
+
+struct drm_get_tv_mode_from_name_test {
+	const char *name;
+	enum drm_connector_tv_mode expected_mode;
+};
+
+#define TV_MODE_NAME(_name, _mode)		\
+	{					\
+		.name = _name,			\
+		.expected_mode = _mode,		\
+	}
+
+static void drm_test_get_tv_mode_from_name_valid(struct kunit *test)
+{
+	const struct drm_get_tv_mode_from_name_test *params = test->param_value;
+
+	KUNIT_EXPECT_EQ(test,
+			drm_get_tv_mode_from_name(params->name, strlen(params->name)),
+			params->expected_mode);
+}
+
+static const
+struct drm_get_tv_mode_from_name_test drm_get_tv_mode_from_name_valid_tests[] = {
+	TV_MODE_NAME("NTSC", DRM_MODE_TV_MODE_NTSC),
+	TV_MODE_NAME("NTSC-443", DRM_MODE_TV_MODE_NTSC_443),
+	TV_MODE_NAME("NTSC-J", DRM_MODE_TV_MODE_NTSC_J),
+	TV_MODE_NAME("PAL", DRM_MODE_TV_MODE_PAL),
+	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),
+};
+
+static void
+drm_get_tv_mode_from_name_valid_desc(const struct drm_get_tv_mode_from_name_test *t,
+				     char *desc)
+{
+	sprintf(desc, "%s", t->name);
+}
+
+KUNIT_ARRAY_PARAM(drm_get_tv_mode_from_name_valid,
+		  drm_get_tv_mode_from_name_valid_tests,
+		  drm_get_tv_mode_from_name_valid_desc);
+
+static void drm_test_get_tv_mode_from_name_truncated(struct kunit *test)
+{
+	const char *name = "NTS";
+	int ret;
+
+	ret = drm_get_tv_mode_from_name(name, strlen(name));
+	KUNIT_EXPECT_LT(test, ret, 0);
+};
+
+static struct kunit_case drm_get_tv_mode_from_name_tests[] = {
+	KUNIT_CASE_PARAM(drm_test_get_tv_mode_from_name_valid,
+			 drm_get_tv_mode_from_name_valid_gen_params),
+	KUNIT_CASE(drm_test_get_tv_mode_from_name_truncated),
+	{ }
+};
+
+static struct kunit_suite drm_get_tv_mode_from_name_test_suite = {
+	.name = "drm_get_tv_mode_from_name",
+	.test_cases = drm_get_tv_mode_from_name_tests,
+};
+
+kunit_test_suite(drm_get_tv_mode_from_name_test_suite);
+
+MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>");
+MODULE_LICENSE("GPL");