Re: [PATCH][v3] cpufreq: intel_pstate: Get percpu max freq via HWP MSR register if available

On Tue, Jan 12, 2021 at 4:00 PM Chen Yu wrote: > > On Tue, Jan 12, 2021 at 02:52:50PM +0100, Rafael J. Wysocki wrote: > > On Tue, Jan 12, 2021 at 6:19 AM Chen Yu wrote: > > > > > > Currently when turbo is disabled(either by BIOS or by the user), the > > > intel_pstate driver reads the max non-tur

Re: [PATCH][v3] cpufreq: intel_pstate: Get percpu max freq via HWP MSR register if available

On Tue, Jan 12, 2021 at 02:52:50PM +0100, Rafael J. Wysocki wrote: > On Tue, Jan 12, 2021 at 6:19 AM Chen Yu wrote: > > > > Currently when turbo is disabled(either by BIOS or by the user), the > > intel_pstate driver reads the max non-turbo frequency from the package-wide > > MSR_PLATFORM_INFO(0xc

Re: [PATCH][v3] cpufreq: intel_pstate: Get percpu max freq via HWP MSR register if available

On Tue, Jan 12, 2021 at 6:19 AM Chen Yu wrote: > > Currently when turbo is disabled(either by BIOS or by the user), the > intel_pstate driver reads the max non-turbo frequency from the package-wide > MSR_PLATFORM_INFO(0xce) register. However on asymmetric platforms it is > possible in theory that

[PATCH][v3] cpufreq: intel_pstate: Get percpu max freq via HWP MSR register if available

Currently when turbo is disabled(either by BIOS or by the user), the intel_pstate driver reads the max non-turbo frequency from the package-wide MSR_PLATFORM_INFO(0xce) register. However on asymmetric platforms it is possible in theory that small and big core with HWP enabled might have different m