closeup of swaymsg listing the available screen modes (resolutions)

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   Lucie / minute (mntmn@mastodon.social)'s status on Saturday, 18-Apr-2026 01:21:32 JST Lucie / minute

   hell yeah, got displayport alt mode over usb-c working on rk3588 pocket reform with mainboard 2.0!

   in the end it was a DP lane polarity issue: USB3 allows lane polarity swap for better PCB routing, but DP doesn't. tricky when you need to reuse the same lanes for both.