[PATCH i-g-t 15/39] lib/vkms: Test connector default values

[José Expósito]

Add a helper to get the connector status and test that the default
value is set when a new connector is created.

Signed-off-by: José Expósito <jose.exposito89 at gmail.com>
---
 lib/igt_vkms.c             | 19 +++++++++++++++++++
 lib/igt_vkms.h             |  1 +
 tests/vkms/vkms_configfs.c | 21 +++++++++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/lib/igt_vkms.c b/lib/igt_vkms.c
index e9475bba7..6780d36da 100644
--- a/lib/igt_vkms.c
+++ b/lib/igt_vkms.c
@@ -25,6 +25,7 @@
 #define VKMS_FILE_ENABLED		"enabled"
 #define VKMS_FILE_PLANE_TYPE		"type"
 #define VKMS_FILE_CRTC_WRITEBACK	"writeback"
+#define VKMS_FILE_CONNECTOR_STATUS	"status"
 
 enum vkms_pipeline_item {
 	VKMS_PIPELINE_ITEM_PLANE,
@@ -440,3 +441,21 @@ void igt_vkms_device_add_connector(igt_vkms_t *dev, const char *name)
 {
 	add_pipeline_item(dev, VKMS_PIPELINE_ITEM_CONNECTOR, name);
 }
+
+/**
+ * igt_vkms_connector_get_status:
+ * @dev: Device the connector belongs to
+ * @name: Connector name
+ *
+ * Return the connector status.
+ */
+int igt_vkms_connector_get_status(igt_vkms_t *dev, const char *name)
+{
+	char path[PATH_MAX];
+
+	snprintf(path, sizeof(path), "%s/%s/%s/%s", dev->path,
+		 get_pipeline_item_dir_name(VKMS_PIPELINE_ITEM_CONNECTOR), name,
+		 VKMS_FILE_CONNECTOR_STATUS);
+
+	return read_int(path);
+}
diff --git a/lib/igt_vkms.h b/lib/igt_vkms.h
index d065a2acb..d0a148242 100644
--- a/lib/igt_vkms.h
+++ b/lib/igt_vkms.h
@@ -41,5 +41,6 @@ void igt_vkms_crtc_set_writeback_enabled(igt_vkms_t *dev, const char *name,
 void igt_vkms_device_add_encoder(igt_vkms_t *dev, const char *name);
 
 void igt_vkms_device_add_connector(igt_vkms_t *dev, const char *name);
+int igt_vkms_connector_get_status(igt_vkms_t *dev, const char *name);
 
 #endif /* __IGT_VKMS_H__ */
diff --git a/tests/vkms/vkms_configfs.c b/tests/vkms/vkms_configfs.c
index f6b32a9f7..b8c97e20d 100644
--- a/tests/vkms/vkms_configfs.c
+++ b/tests/vkms/vkms_configfs.c
@@ -405,6 +405,26 @@ static void test_connector_default_files(void)
 	igt_vkms_device_destroy(dev);
 }
 
+/**
+ * SUBTEST: connector-default-values
+ * Description: Check that the default values for the connector are correct.
+ */
+
+static void test_connector_default_values(void)
+{
+	igt_vkms_t *dev;
+
+	dev = igt_vkms_device_create(__func__);
+	igt_assert(dev);
+
+	igt_vkms_device_add_connector(dev, "connector0");
+
+	igt_assert_eq(igt_vkms_connector_get_status(dev, "connector0"),
+		      DRM_MODE_CONNECTED);
+
+	igt_vkms_device_destroy(dev);
+}
+
 igt_main
 {
 	struct {
@@ -422,6 +442,7 @@ igt_main
 		{ "crtc-wrong-values", test_crtc_wrong_values },
 		{ "encoder-default-files", test_encoder_default_files },
 		{ "connector-default-files", test_connector_default_files },
+		{ "connector-default-values", test_connector_default_values },
 	};
 
 	igt_fixture {
-- 
2.48.1