[i-g-t 45/51] tests/i915/kms_frontbuffer_tracking: Add support for Bigjoiner

[Bhanuprakash Modem]

As many 2x tests are currently running on Pipe-A & B only, those
tests will always SKIP if there is any 8K supported panel in the
config. Instead of Skipping the test, add some intelligence to
the subtest to identify the valid pipe/output combo to execute
the subtest.

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
---
 tests/i915/kms_frontbuffer_tracking.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/tests/i915/kms_frontbuffer_tracking.c b/tests/i915/kms_frontbuffer_tracking.c
index 9518c706..ff5fb90d 100644
--- a/tests/i915/kms_frontbuffer_tracking.c
+++ b/tests/i915/kms_frontbuffer_tracking.c
@@ -403,15 +403,23 @@ static bool find_connector(bool edp_only, bool pipe_a,
 		if (pipe_a && pipe != PIPE_A)
 			continue;
 
-		if (output == forbidden_output || pipe == forbidden_pipe)
+		if (output == forbidden_output || pipe == forbidden_pipe) {
+			igt_output_set_pipe(output, pipe);
+			igt_output_override_mode(output, connector_get_mode(output));
+
 			continue;
+		}
 
 		if (c->connector_type == DRM_MODE_CONNECTOR_eDP && opt.no_edp)
 			continue;
 
-		*ret_output = output;
-		*ret_pipe = pipe;
-		return true;
+		igt_output_set_pipe(output, pipe);
+		igt_output_override_mode(output, connector_get_mode(output));
+		if (igt_test_constraint(&drm.display)) {
+			*ret_output = output;
+			*ret_pipe = pipe;
+			return true;
+		}
 	}
 
 	return false;
-- 
2.35.1