In Sept 2016, HDMI spec group defined a HDMI 1.4 capable standard to use USB Type-C without an adapter. This means a PC with Type-C could connect to a Monitor/TV with Type-C. Both sides would require the right software and hardware to make it work.
The smaller Type-C form factor is everywhere. This eliminates the need for an HDMI connector. (Which may or may not remove the need to pay an HDMI royalty if an HDMI royalty… Ask your lawyer, I’m not a lawyer). It would remove the need for devices to have a separate HDMI port.
This increases the complexity of the hardware implementation on the controller and PHY. It needs to be tested to make sure it works. The trade-off to using HDMI 1.4 is the user can’t get the highest HDMI 2.0 and 2.1 features and resolutions.
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