Re: [PATCH v2] ACPI / CPPC: do not require the _PSD method when using CPPC

2019-08-26 Thread Al Stone
On 8/26/19 5:02 PM, Rafael J. Wysocki wrote: > On Tue, Aug 27, 2019 at 12:30 AM Al Stone wrote: >> >> According to the ACPI 6.3 specification, the _PSD method is optional >> when using CPPC. The underlying assumption is that each CPU can change >> frequency independently from all other CPUs; _PSD

Re: [PATCH v2] ACPI / CPPC: do not require the _PSD method when using CPPC

2019-08-26 Thread Rafael J. Wysocki
On Tue, Aug 27, 2019 at 12:30 AM Al Stone wrote: > > According to the ACPI 6.3 specification, the _PSD method is optional > when using CPPC. The underlying assumption is that each CPU can change > frequency independently from all other CPUs; _PSD is provided to tell > the OS that some processors