drm/amd/display: Clear link settings on MST disable connector

[platform/kernel/linux-rpi.git] / drivers / gpu / drm / amd / display / amdgpu_dm / amdgpu_dm_mst_types.c

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 16218a2..28a6c7b 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -379,6 +379,7 @@ static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
                                           aconnector->dc_sink);
                dc_sink_release(aconnector->dc_sink);
                aconnector->dc_sink = NULL;
+               aconnector->dc_link->cur_link_settings.lane_count = 0;
        }
 
        drm_connector_unregister(connector);