I have read that running 2560x1440 120Hz in "Y′CBCR with 4:2:2" mode would be able to feed my monitor over a HDMI 1.4b connection.

How would I do this from Kubuntu 18.10 (kernel 4.20) while using an Nvidia GT755M? Can it also work for the iGPU Intel HD Graphics 4600 ?

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