[PATCH i-g-t] tests/intel/kms_joiner: switch modeset from uj to bj and vice-versa

[Santhosh Reddy Guddati]

Add a subtest to validate switching from ultra joiner to big joiner
and vice-versa.

Signed-off-by: Santhosh Reddy Guddati <santhosh.reddy.guddati at intel.com>
---
 tests/intel/kms_joiner.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tests/intel/kms_joiner.c b/tests/intel/kms_joiner.c
index 07b49fb08..3c3186418 100644
--- a/tests/intel/kms_joiner.c
+++ b/tests/intel/kms_joiner.c
@@ -499,6 +499,31 @@ igt_main
 				test_ultra_joiner(&data, false, false, false);
 	}
 
+	igt_subtest_with_dynamic("switch-modeset") {
+		igt_require_f(force_joiner_supported,
+					  "force joiner not supported on this platform or none of the connected output supports it\n");
+		igt_require_f(data.ultra_joiner_output_count > 0 && data.big_joiner_output_count > 0,
+					  "No ultra joiner or big joiner output found\n");
+		igt_require_f(data.n_pipes > 1,
+					  "Minimum 2 pipes required\n");
+
+		igt_dynamic_f("ultra_joiner_to_big_joiner") {
+			enable_force_joiner_on_all_non_ultra_joiner_outputs(&data);
+			test_ultra_joiner(&data, false, false, true);
+			enable_force_joiner_on_all_non_big_joiner_outputs(&data);
+			test_single_joiner(&data, data.big_joiner_output_count, true);
+			igt_reset_connectors();
+		}
+
+		igt_dynamic_f("big_joiner_to_ultra_joiner") {
+			enable_force_joiner_on_all_non_big_joiner_outputs(&data);
+			test_single_joiner(&data, data.big_joiner_output_count, true);
+			enable_force_joiner_on_all_non_ultra_joiner_outputs(&data);
+			test_ultra_joiner(&data, false, false, true);
+			igt_reset_connectors();
+		}
+	}
+
 	igt_describe("Verify if the modeset on the adjoining pipe is rejected "
 		     "when the pipe is active with a big joiner modeset");
 	igt_subtest_with_dynamic("invalid-modeset-big-joiner") {
-- 
2.34.1