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authorDave Airlie <airlied@redhat.com>2016-11-07 09:37:09 +1000
committerDave Airlie <airlied@redhat.com>2016-11-07 09:37:09 +1000
commit7b624ad8fea1be7ff4c22643e212191aa6a2a3c2 (patch)
tree41d0357d3259868cd85521c3fb9578cd2fc13831 /drivers/gpu/drm/drm_dp_mst_topology.c
parentdc345c46774bc150ab852d2c74ee6542de438d46 (diff)
parentbc33b0ca11e3df467777a4fa7639ba488c9d4911 (diff)
downloadlinux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.tar.bz2
Backmerge tag 'v4.9-rc4' into drm-next
Linux 4.9-rc4 This is needed for nouveau development.
Diffstat (limited to 'drivers/gpu/drm/drm_dp_mst_topology.c')
-rw-r--r--drivers/gpu/drm/drm_dp_mst_topology.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 04e457117980..aa644487749c 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -914,6 +914,7 @@ static void drm_dp_destroy_port(struct kref *kref)
/* no need to clean up vcpi
* as if we have no connector we never setup a vcpi */
drm_dp_port_teardown_pdt(port, port->pdt);
+ port->pdt = DP_PEER_DEVICE_NONE;
}
kfree(port);
}
@@ -1159,7 +1160,9 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,
drm_dp_put_port(port);
goto out;
}
- if (port->port_num >= DP_MST_LOGICAL_PORT_0) {
+ if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
+ port->pdt == DP_PEER_DEVICE_SST_SINK) &&
+ port->port_num >= DP_MST_LOGICAL_PORT_0) {
port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);
drm_mode_connector_set_tile_property(port->connector);
}
@@ -2919,6 +2922,7 @@ static void drm_dp_destroy_connector_work(struct work_struct *work)
mgr->cbs->destroy_connector(mgr, port->connector);
drm_dp_port_teardown_pdt(port, port->pdt);
+ port->pdt = DP_PEER_DEVICE_NONE;
if (!port->input && port->vcpi.vcpi > 0) {
drm_dp_mst_reset_vcpi_slots(mgr, port);