kmstest.py: Add output_connectors() helper to skip writeback connectors

Add a generator method to the KMSTest class to enumerate all
non-writeback connectors, and use it through tests.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/kmstest.py b/tests/kmstest.py
index 336e31a..8a483d7 100755
--- a/tests/kmstest.py
+++ b/tests/kmstest.py
@@ -364,6 +364,12 @@ class KMSTest(object):
         else:
             return req.commit(0)
 
+    def output_connectors(self):
+        for connector in self.card.connectors:
+            if connector.fullname.startswith('writeback-'):
+                continue
+            yield connector
+
     def __handle_page_flip(self, frame, time):
         self.flips += 1
         try: