Hacker News Reader

it's hidden on most windows drivers.

on Linux it's exposed and have user tools for most standard things. it's infuriating how changing the settings on random external displays is easier than most integrated laptop screens.

some kvm do abuse that comms channel already. forgot which brand but it completely hijacks it and my brightness hacks wouldn't work

View on HN

DDC works over HDMI on linux? I switched to a displayport cable because I thought it wouldn't, and wanted to use ddcutil for setting brightness. I'll have to check that out. It might make the lack of CEC on PCs less annoying.

I've gotten CEC to work in Linux on my desktop computer. The funny thing is that most GPU HDMI ports don't implement CEC, but do implement CEC over DisplayPort. You simply need to find a DisplayPort to HDMI adapter that supports CEC.

depends on your gpu/motherboard.

on AMD gpus and quality motherboard, i don't even care if i have hdmi or dp cables. i literally use whatever i fish out of a box first.

Reply on news.ycombinator.com