[i-g-t 1/2] lib/igt_kms: Add a debug log for invalid pipe/output combo

[Bhanuprakash Modem]

Add some meaningful logs in case of invalid pipe/output combo.

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
---
 lib/igt_kms.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index dd530dbab..9313e4c27 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -6585,8 +6585,13 @@ bool intel_pipe_output_combo_valid(igt_display_t *display)
 		if (output->pending_pipe == PIPE_NONE)
 			continue;
 
-		if (!igt_pipe_connector_valid(output->pending_pipe, output))
+		if (!igt_pipe_connector_valid(output->pending_pipe, output)) {
+			igt_info("Output %s is disconnected (or) pipe-%s & %s cannot be used together\n",
+				 igt_output_name(output),
+				 kmstest_pipe_name(output->pending_pipe),
+				 igt_output_name(output));
 			return false;
+		}
 
 		combo++;
 	}
-- 
2.43.0