They never gone do that for obvious reason,let’s look who created and who are on the list of HDMI group…Lattice Semiconductor, Maxell, Matsushita Electric Industrial, Philips, Sony, Technicolor, TOSHIBA big players of TV so they created their own proprietary standard spread it on the market and u have to pay money for licensing manufactur to install it in ur device such as TV boxes, videocards and etc.Meanwhile display port is open standard which even technically dominate HDMI about speed of transfer and other things.

Well until they letting to unlock bootloader,it’s nice cheap phones when u install custom os

I think any modern unix-like operation systems: bsd based,linux based,haiku,minix and other else hundred branches.

We can get same experience quite soon on laptops too when arm laptops&desktop will arrive toensd users.It gonna be lock down same as phones nowdays.