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AMD Cezanne chips were released in early 2021. Patches are still landing to fix suspend resume bugs in the Linux kernel: https://www.phoronix.com/news/Ryzen-5000-Laptop-Linux-6.1

This is a real issue with Linux. If you want the latest hardware, expect basic features like suspend resume not to work.

That's not a bug in the Linux kernel, it's a bug in the AMD hardware.

You can generally spot this immediately, even without reading the code, by the way it's described as a "workaround".

Does it matter if I want my laptop to sleep properly? Somehow it works properly on Windows.