Analysis of information sources in references of the Wikipedia article "Unified Display Interface" in English language version.
What we have then is a re-run of the old USB vs Firewire debate: two standards [DisplayPort and HDMI] that do, give or take a plus point or two, the same job largely as well as each other. In each case, sufficiently large industry camps have formed around each to ensure neither will vanish, and vested intellectual property and licensing interests means there's little chance of the two coming together into a single standard.