Since we're about to start adding some stuff here, we may as well fill in any missing documentation that we forgot to write. Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx> Cc: Wayne Lin <Wayne.Lin@xxxxxxx> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Cc: Fangzhi Zuo <Jerry.Zuo@xxxxxxx> Cc: Jani Nikula <jani.nikula@xxxxxxxxx> Cc: Imre Deak <imre.deak@xxxxxxxxx> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> Cc: Sean Paul <sean@xxxxxxxxxx> --- include/drm/display/drm_dp_mst_helper.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h index 8ab4f14f2344..eb0ea578b227 100644 --- a/include/drm/display/drm_dp_mst_helper.h +++ b/include/drm/display/drm_dp_mst_helper.h @@ -542,19 +542,43 @@ struct drm_dp_payload { #define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base) +/** + * struct drm_dp_mst_atomic_payload - Atomic state struct for an MST payload + * + * The primary atomic state structure for a given MST payload. Stores information like current + * bandwidth allocation, intended action for this payload, etc. + */ struct drm_dp_mst_atomic_payload { + /** @port: The MST port assigned to this payload */ struct drm_dp_mst_port *port; + /** @time_slots: The number of timeslots allocated to this payload */ int time_slots; + /** @pbn: The payload bandwidth for this payload */ int pbn; + /** @dsc_enabled: Whether or not this payload has DSC enabled */ bool dsc_enabled; + + /** @next: The list node for this payload */ struct list_head next; }; +/** + * struct drm_dp_mst_topology_state - DisplayPort MST topology atomic state + * + * This struct represents the atomic state of the toplevel DisplayPort MST manager + */ struct drm_dp_mst_topology_state { + /** @base: Base private state for atomic */ struct drm_private_state base; + + /** @payloads: The list of payloads being created/destroyed in this state */ struct list_head payloads; + /** @mgr: The topology manager */ struct drm_dp_mst_topology_mgr *mgr; + + /** @total_avail_slots: The total number of slots this topology can handle (63 or 64) */ u8 total_avail_slots; + /** @start_slot: The first usable time slot in this topology (1 or 0) */ u8 start_slot; }; -- 2.35.3