[i-g-t 4/7] tests/intel/kms_frontbuffer_tracking: Do modeset in init

[Bhanuprakash Modem]

Make sure to do a modeset before checking the feature availability
on selected pipe/output. To achieve this we need to fix the logic
to iterate all possible pipe/output combos, otherwise we'll endup
with the error: 'Failed assertion: output->pending_pipe != b->pending_pipe'

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
---
 tests/intel/kms_frontbuffer_tracking.c | 37 +++++++++++++++-----------
 1 file changed, 22 insertions(+), 15 deletions(-)

diff --git a/tests/intel/kms_frontbuffer_tracking.c b/tests/intel/kms_frontbuffer_tracking.c
index 2a2690d18..26b182cd8 100644
--- a/tests/intel/kms_frontbuffer_tracking.c
+++ b/tests/intel/kms_frontbuffer_tracking.c
@@ -1527,31 +1527,34 @@ static bool find_connector(bool edp_only, bool pipe_a,
 	igt_output_t *output;
 	enum pipe pipe;
 
-	for_each_pipe_with_valid_output(&drm.display, pipe, output) {
+	for_each_connected_output(&drm.display, output) {
 		drmModeConnectorPtr c = output->config.connector;
 
 		if (edp_only && c->connector_type != DRM_MODE_CONNECTOR_eDP)
 			continue;
 
-		if (pipe_a && pipe != PIPE_A)
+		if (c->connector_type == DRM_MODE_CONNECTOR_eDP && opt.no_edp)
 			continue;
 
-		if (output == forbidden_output || pipe == forbidden_pipe) {
-			igt_output_set_pipe(output, pipe);
-			igt_output_override_mode(output, connector_get_mode(output));
-
+		if (output->pending_pipe != PIPE_NONE)
 			continue;
-		}
 
-		if (c->connector_type == DRM_MODE_CONNECTOR_eDP && opt.no_edp)
-			continue;
+		for_each_pipe(&drm.display, pipe) {
+			if (pipe_a && pipe != PIPE_A)
+				continue;
+
+			if (pipe == forbidden_pipe)
+				continue;
 
-		igt_output_set_pipe(output, pipe);
-		igt_output_override_mode(output, connector_get_mode(output));
-		if (intel_pipe_output_combo_valid(&drm.display)) {
-			*ret_output = output;
-			*ret_pipe = pipe;
-			return true;
+			igt_output_set_pipe(output, pipe);
+			igt_output_override_mode(output, connector_get_mode(output));
+
+			if (intel_pipe_output_combo_valid(&drm.display)) {
+				*ret_output = output;
+				*ret_pipe = pipe;
+				return true;
+			}
+			igt_output_set_pipe(output, PIPE_NONE);
 		}
 	}
 
@@ -1590,10 +1593,14 @@ static bool init_modeset_cached_params(void)
 	if (!scnd_output) {
 		scnd_mode_params.pipe = PIPE_NONE;
 		scnd_mode_params.output = NULL;
+		igt_display_commit(&drm.display);
+
 		return true;
 	}
 
 	init_mode_params(&scnd_mode_params, scnd_output, scnd_pipe);
+	igt_display_commit(&drm.display);
+
 	return true;
 }
 
-- 
2.40.0