diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 1143d9ec..b601c649 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1369,6 +1369,9 @@ int igt_display_commit(igt_display_t *display)
 
 	LOG_UNINDENT(display);
 
+	if (getenv("IGT_DISPLAY_WAIT_AT_COMMIT"))
+		igt_wait_for_keypress();
+
 	return 0;
 }