I have some questions about how using DisplayLink may impact the picture quality of the HDMI output. As far as I know, DisplayLink is not truly loseless, and though 2 Gbps is quite high, HDMI needs at least 3.2 Gbps (actual) for 1080p60 uncompressed. I'm curious if it's possible to get some comparisons of game image quality over the link, or some comment on how the stream degrades, whether it's typical compression artifacts, or downscaling the resolution, or lowering the refresh rate. I would assume that artifacting slightly would be preferable to jitters in the delivered frames.
I'm also curious about stream priority for the USB 3.0 port or Ethernet port being used in concert with the HDMI output. Is there a situation where a file transfer would be faster if your screen is mostly static versus full video? Could a large file transfer end up impacting video quality, or transfer speed? I would assume that a fixed bandwidth mix would be most reliable, but it would have to scale gracefully with lower throughput as you put more distance between the dock and the dongle.
I could see something like this being used for a Nintendo Switch successor. If you could keep the console in your hand and have it display an image on a TV from a dock, you'd essentially have the Wii U without the downsides. I'm not too convinced that relying on USB to pass a video signal is the right approach, but it's hard to beat having one connection doing all of the heavy lifting. I assume that the 802.11ad link is the bottleneck so going to Thunderbolt 3 or USB 3.2 Gen 2 would not improve the concerns I have about bandwidth contention.
