diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c
index 7d6d4dd22831..f06287163122 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_connector.c
@@ -3427,6 +3427,7 @@ int amdgpu_dm_initialize_hdmi_connector(struct amdgpu_dm_connector *aconnector)
 
 	return 0;
 }
+EXPORT_IF_KUNIT(amdgpu_dm_initialize_hdmi_connector);
 
 /*
  * Note: this function assumes that dc_link_detect() was called for the
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.c b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.c
index b232a0c7389b..62edf19a6345 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.c
@@ -9063,6 +9063,24 @@ static void dm_test_init_helper_hpd_debounce_disabled(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, ctx->aconnector->hdmi_hpd_debounce_delay_ms, 0);
 }
 
+/* Tests for amdgpu_dm_initialize_hdmi_connector() */
+
+/**
+ * dm_test_initialize_hdmi_cec_registers - Test the CEC notifier is registered
+ * @test: The KUnit test context
+ *
+ * Without DC_DISABLE_HDMI_CEC in the debug mask a CEC notifier is created for
+ * the connector.
+ */
+static void dm_test_initialize_hdmi_cec_registers(struct kunit *test)
+{
+	struct dm_test_init_helper_ctx *ctx =
+		dm_test_init_helper_ctx_alloc(test, DRM_MODE_CONNECTOR_HDMIA);
+
+	KUNIT_EXPECT_EQ(test, amdgpu_dm_initialize_hdmi_connector(ctx->aconnector), 0);
+	KUNIT_EXPECT_NOT_NULL(test, ctx->aconnector->notifier);
+}
+
 static struct kunit_case amdgpu_dm_connector_tests[] = {
 	/* get_subconnector_type */
 	KUNIT_CASE(dm_test_subconnector_type_none),
@@ -9457,6 +9475,8 @@ static struct kunit_case amdgpu_dm_connector_tests[] = {
 	KUNIT_CASE(dm_test_init_helper_edp),
 	KUNIT_CASE(dm_test_init_helper_hdcp_property),
 	KUNIT_CASE(dm_test_init_helper_hpd_debounce_disabled),
+	/* amdgpu_dm_initialize_hdmi_connector */
+	KUNIT_CASE(dm_test_initialize_hdmi_cec_registers),
 	{}
 };