struct drm_dp_mst

struct drm_dp_mst_port
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Name

struct drm_dp_mst_port — MST port

Synopsis

struct drm_dp_mst_port {
  struct kref kref;
  u8 port_num;
  bool input;
  bool mcs;
  bool ddps;
  u8 pdt;
  bool ldps;
  u8 dpcd_rev;
  u8 num_sdp_streams;
  u8 num_sdp_stream_sinks;
  uint16_t available_pbn;
  struct list_head next;
  struct drm_dp_mst_branch * mstb;
  struct drm_dp_aux aux;
  struct drm_dp_mst_branch * parent;
  struct drm_dp_vcpi vcpi;
  struct drm_connector * connector;
  struct drm_dp_mst_topology_mgr * mgr;
};

Members

kref: reference count for this port.
port_num: port number
input: if this port is an input port.
mcs: message capability status - DP 1.2 spec.
ddps: DisplayPort Device Plug Status - DP 1.2
pdt: Peer Device Type
ldps: Legacy Device Plug Status
dpcd_rev: DPCD revision of device on this port
num_sdp_streams: Number of simultaneous streams
num_sdp_stream_sinks: Number of stream sinks
available_pbn: Available bandwidth for this port.
next: link to next port on this branch device
mstb: branch device attach below this port
aux: i2c aux transport to talk to device connected to this port.
parent: branch device parent of this port
vcpi: Virtual Channel Payload info for this port.
connector: DRM connector this port is connected to.
mgr: topology manager this port lives under.

Description

This structure represents an MST port endpoint on a device somewhere in the MST topology.