What do you need to test in DisplayPort interface?

Before video and audio content is sent over a DP link and displayed on the monitor screen a lot of communication has been occurring between a DP source and sink and a possible branch device.

What's the Difference Between Passive and Active DisplayPort Adapters?

DisplayPort Guide Versus HDMI

UCD-400 • DisplayPort 1.4a - HBR3 8K Generator & Analyzer

DisplayPort Cables: Types and Specifications Explained

Nice to know: What is DisplayPort?

USB-C Introduction: What is USB-C DisplayPort (DP Alt Mode)

HDMI vs DisplayPort vs DVI vs VGA vs USB-C: Every connection explained plus how to get 144Hz

What Is DisplayPort Over USB-C and How Does It Work?

N5991DP2A DisplayPort 2.0 Receiver Test

Test Happens - Teledyne LeCroy Blog: DisplayPort 2.0 Physical Layer Testing

A Guide to DisplayPort 2.1 (and previously 2.0) - Certifications, Standards, Cables and Areas of Confusion and Concern - TFTCentral

DisplayPort Compliance Testing