[PATCH 7/9] drm/nouveau/kms/nv50: Implement MST Aux device registration

[sunpeng.li at amd.com]

From: Leo Li <sunpeng.li at amd.com>

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

Cc: Ben Skeggs <bskeggs at redhat.com>
Signed-off-by: Leo Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 8497768f1b41..0d6e9350ba44 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1024,6 +1024,24 @@ nv50_mstc_destroy(struct drm_connector *connector)
 	kfree(mstc);
 }
 
+static int
+nv50_mstc_late_register(struct drm_connector *connector)
+{
+	struct nv50_mstc *mstc = nv50_mstc(connector);
+	struct drm_dp_mst_port *port = mstc->port;
+
+	return drm_dp_mst_connector_late_register(connector, port);
+}
+
+static void
+nv50_mstc_early_unregister(struct drm_connector *connector)
+{
+	struct nv50_mstc *mstc = nv50_mstc(connector);
+	struct drm_dp_mst_port *port = mstc->port;
+
+	drm_dp_mst_connector_early_unregister(connector, port);
+}
+
 static const struct drm_connector_funcs
 nv50_mstc = {
 	.reset = nouveau_conn_reset,
@@ -1034,6 +1052,8 @@ nv50_mstc = {
 	.atomic_destroy_state = nouveau_conn_atomic_destroy_state,
 	.atomic_set_property = nouveau_conn_atomic_set_property,
 	.atomic_get_property = nouveau_conn_atomic_get_property,
+	.late_register = nv50_mstc_late_register,
+	.early_unregister = nv50_mstc_early_unregister,
 };
 
 static int
-- 
2.22.0