[igt-dev] [PATCH] chamelium: Get connector After plug to get EDID

[Mark Yacoub]

[Why]
MST connectors can change connector IDs between plugs. Getting the EDID
prop requires a valid connector ID.

[How]
Get Connector AFTER a plug, just before it's being used.

Fixes: kms_chamelium at dp-edid-read

Signed-off-by: Mark Yacoub <markyacoub at chromium.org>
---
 tests/chamelium/kms_chamelium.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/chamelium/kms_chamelium.c b/tests/chamelium/kms_chamelium.c
index 870edb91..99cc23a1 100644
--- a/tests/chamelium/kms_chamelium.c
+++ b/tests/chamelium/kms_chamelium.c
@@ -447,8 +447,7 @@ static void
 igt_custom_edid_type_read(data_t *data, struct chamelium_port *port, enum igt_custom_edid_type edid)
 {
 	drmModePropertyBlobPtr edid_blob = NULL;
-	drmModeConnector *connector = chamelium_port_get_connector(
-	    data->chamelium, port, false);
+	drmModeConnector *connector;
 	size_t raw_edid_size;
 	const struct edid *raw_edid;
 	uint64_t edid_blob_id;
@@ -464,6 +463,7 @@ igt_custom_edid_type_read(data_t *data, struct chamelium_port *port, enum igt_cu
 
 	igt_skip_on(check_analog_bridge(data, port));
 
+	connector = chamelium_port_get_connector(data->chamelium, port, true);
 	igt_assert(kmstest_get_property(data->drm_fd, connector->connector_id,
 					DRM_MODE_OBJECT_CONNECTOR, "EDID", NULL,
 					&edid_blob_id, NULL));
-- 
2.38.0.413.g74048e4d9e-goog