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.

AUTHORS

Jesse Barnes <[email protected]>
Intel Corporation,         
        

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,         
        

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,         
        

Contributions all over the place

Lukas Wunner <[email protected]>

vga_switcheroo documentation

COPYRIGHT