[PATCH i-g-t v2 17/43] 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             | 33 +++++++++++++++++++++++++++++++++
 lib/igt_vkms.h             |  3 +++
 tests/vkms/vkms_configfs.c | 21 +++++++++++++++++++++
 3 files changed, 57 insertions(+)

diff --git a/lib/igt_vkms.c b/lib/igt_vkms.c
index eecad1977..c8b0dd071 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,
@@ -288,6 +289,22 @@ void igt_vkms_get_connector_path(igt_vkms_t *dev, const char *name, char *path,
 	get_pipeline_item_path(dev, VKMS_PIPELINE_ITEM_CONNECTOR, name, path, len);
 }
 
+/**
+ * igt_vkms_get_connector_status_path:
+ * @dev: Device containing the connector
+ * @name: Connector name
+ * @path: Output path
+ * @len: Maximum @path length
+ *
+ * Returns the connector "status" file path.
+ */
+void igt_vkms_get_connector_status_path(igt_vkms_t *dev, const char *name,
+					char *path, size_t len)
+{
+	get_pipeline_item_file_path(dev, VKMS_PIPELINE_ITEM_CONNECTOR, name,
+				    VKMS_FILE_CONNECTOR_STATUS, path, len);
+}
+
 /**
  * igt_vkms_device_create:
  * @name: VKMS device name
@@ -581,3 +598,19 @@ 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];
+
+	igt_vkms_get_connector_status_path(dev, name, path, sizeof(path));
+
+	return read_int(path);
+}
diff --git a/lib/igt_vkms.h b/lib/igt_vkms.h
index 6dd576b41..3d27bfebb 100644
--- a/lib/igt_vkms.h
+++ b/lib/igt_vkms.h
@@ -35,6 +35,8 @@ void igt_vkms_get_encoder_path(igt_vkms_t *dev, const char *name, char *path,
 			       size_t len);
 void igt_vkms_get_connector_path(igt_vkms_t *dev, const char *name, char *path,
 				 size_t len);
+void igt_vkms_get_connector_status_path(igt_vkms_t *dev, const char *name,
+					char *path, size_t len);
 
 igt_vkms_t *igt_vkms_device_create(const char *name);
 void igt_vkms_device_destroy(igt_vkms_t *dev);
@@ -55,5 +57,6 @@ 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 595d258f6..d7ce4aa17 100644
--- a/tests/vkms/vkms_configfs.c
+++ b/tests/vkms/vkms_configfs.c
@@ -466,6 +466,26 @@ 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 {
@@ -485,6 +505,7 @@ igt_main
 		{ "crtc-valid-values", test_crtc_valid_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