diff options
Diffstat (limited to 'include/drm/drm_dp_mst_helper.h')
| -rw-r--r-- | include/drm/drm_dp_mst_helper.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index 8ba2a01324bb..7d80c38ee00e 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -597,6 +597,22 @@ struct drm_dp_mst_topology_mgr { * devices, needed to avoid locking inversion. */ struct work_struct delayed_destroy_work; + + /** + * @up_req_list: List of pending up requests from the topology that + * need to be processed, in chronological order. + */ + struct list_head up_req_list; + /** + * @up_req_lock: Protects @up_req_list + */ + struct mutex up_req_lock; + /** + * @up_req_work: Work item to process up requests received from the + * topology. Needed to avoid blocking hotplug handling and sideband + * transmissions. + */ + struct work_struct up_req_work; }; int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr, |