[PATCH 07/10] drm/i915: Implement MST Aux device registration

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From: Leo Li <sunpeng.li@xxxxxxx>

Implement late_register and early_unregister hooks for MST connectors.
Call drm helpers for MST connector registration, which registers the
AUX devices.

Signed-off-by: Leo Li <sunpeng.li@xxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dp_mst.c | 29 +++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 60652ebbdf61..be309016f746 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -400,13 +400,38 @@ intel_dp_mst_detect(struct drm_connector *connector, bool force)
 				      intel_connector->port);
 }
 
+static int
+intel_dp_mst_connector_late_register(struct drm_connector *connector)
+{
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct drm_dp_mst_port *port = intel_connector->port;
+
+	int ret;
+
+	ret = intel_connector_register(connector);
+	if (ret)
+		return ret;
+
+	return drm_dp_mst_connector_late_register(connector, port);
+}
+
+static void
+intel_dp_mst_connector_early_unregister(struct drm_connector *connector)
+{
+	struct intel_connector *intel_connector = to_intel_connector(connector);
+	struct drm_dp_mst_port *port = intel_connector->port;
+
+	drm_dp_mst_connector_early_unregister(connector, port);
+	intel_connector_unregister(connector);
+}
+
 static const struct drm_connector_funcs intel_dp_mst_connector_funcs = {
 	.detect = intel_dp_mst_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.atomic_get_property = intel_digital_connector_atomic_get_property,
 	.atomic_set_property = intel_digital_connector_atomic_set_property,
-	.late_register = intel_connector_register,
-	.early_unregister = intel_connector_unregister,
+	.late_register = intel_dp_mst_connector_late_register,
+	.early_unregister = intel_dp_mst_connector_early_unregister,
 	.destroy = intel_connector_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = intel_digital_connector_duplicate_state,
-- 
2.22.0

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