AHA !!! Someone found a way !!!! Thanks to @bordershot1 from a K8s thread on Plex forum, I found the right info, about a mysteriously updated Beignet Driver and how to compile it directly from this nice linuxserver.io plex container. https://forums.plex.tv/t/hdr-to-sdr-tonemapping-opencl-driver-resource-for-kubernetes/656635/19?   Kudos to him ! Edited on Dec 10th 2020: Adding cleanup of the dev environment at the end of the script to use less storage, and installat
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