>> Relevant Notes, Additional Resources and References
- Section 1.7 Overview of DisplayPort in VESA DisplayPort Specification Rev 1.2.
This section talks about transport channels, layered designs and terms used in DisplayPort.
- Section 18.104.22.168 Address Mapping for Link Configuration/Management in VESA DisplayPort Specification Rev 1.2.
The table in this section provides detailed information about address mapping and and purposes of each register in DPCD.
- Intel Graphics Driver in Linux 4.19.1 kernel
Intel's driver has multiple references to these helpers. For example, there is a function at line 133 in
intel_dp.c that sets the link rate to the
Besides, there is a helper named
drm_dp_link_configure at line 467 in
drm_dp_helper.c,which configures the link rate and writes the final result to the
DP_LINK_BW_SET register at
0x100. The idea is the same as Apple's