Yes, DisplayPort cables are bidirectional, they transport data in any direction. So it doesn’t matter which cable end goes into your output device and which one goes into your input device.
Do DisplayPort cables have direction?
Yes, displayport is bi-directional. you can plug a cable into a monitor and a PC and it will still work when you unplug it and switch the ends around.
Are DisplayPort cables one directional?
You may find bidirectional adapters, but DisplayPort to HDMI cables will only carry signals in one direction.
Is DisplayPort 1.2 bidirectional?
Convenient, Bi-Directional Support.
Are DisplayPort to HDMI cable bidirectional?
Please note that DisplayPort to HDMI cables (as with most cables involving protocol/signal conversion) are not bidirectional adapters, which means they only work in one direction — from a DisplayPort output to a HDMI input.