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HP and Dell disable HEVC support built into their laptops’ CPUs
(arstechnica.com)
This is a most excellent place for technology news and articles.
This doesn't answer the Linux part of the question.
What does "licensing issue" means for the laptop itself? Is HEVC disabled at BIOS/firmware level, or it is just disabled at Windows driver level?
In the latter case, HEVC should work with Linux, as it uses generic Intel/AMD drivers, instead of specific Dell/HP ones.
It's enabled at the hardware level only if the hevc license is paid, usually by the OEM (such as dell or hp).