AMD Begins Plumbing APCI C4 Support in the Linux Kernel for Power Savings

Comments (2)

craftkiller · 1m ago

> Some AMD systems have introduced support for ACPI C4

Which ones? It would be nice to known if any of my current AMD machines will benefit from this.

jeffbee · 1m ago

It would be nice to know what this actually does, to which CPUs, installed in what platform. There is only tenuous correspondence between ACPI C-states and the energy saving features of CPUs, and Intel started diverging from ACPI definitions around the time of Haswell, so a direct comparison is difficult.

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AMD Begins Plumbing APCI C4 Support in the Linux Kernel for Power Savings

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