dp14: XDp_TxTopologyNode Struct Reference

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XDp_TxTopologyNode Struct Reference
Dp_v7_0

This typedef describes a downstream DisplayPort device when the driver is running in multi-stream transport (MST) mode. More...

## Data Fields
u8 | Guid [XDP_GUID_NBYTES]
| The global unique identifier (GUID) of the device. More...
u8 | RelativeAddress [15]
| The relative address from the DisplayPort TX to this device. More...
u8 | DeviceType
| The type of DisplayPort device. More...
u8 | LinkCountTotal
| The total number of DisplayPort links connecting this device to the DisplayPort TX. More...
u8 | DpcdRev
| The revision of the device's DisplayPort Configuration Data (DPCD). More...
u8 | MsgCapStatus
| This device is capable of sending and receiving sideband messages. More...

## Detailed Description

This typedef describes a downstream DisplayPort device when the driver is running in multi-stream transport (MST) mode.

## Field Documentation

u8 XDp_TxTopologyNode::DeviceType

The type of DisplayPort device.

Either a branch or sink.

u8 XDp_TxTopologyNode::DpcdRev

The revision of the device's DisplayPort Configuration Data (DPCD).

For this device to support MST features, this value must represent a protocl version greater or equal to 1.2.

u8 XDp_TxTopologyNode::Guid[XDP_GUID_NBYTES]

The global unique identifier (GUID) of the device.

u8 XDp_TxTopologyNode::LinkCountTotal

The total number of DisplayPort links connecting this device to the DisplayPort TX.

u8 XDp_TxTopologyNode::MsgCapStatus

This device is capable of sending and receiving sideband messages.

u8 XDp_TxTopologyNode::RelativeAddress[15]

The relative address from the DisplayPort TX to this device.