RE: [PATCH V7 0/7] amd-pstate preferred core

2023-09-21 Thread Meng, Li (Jassmine)
er.kernel.org; > x...@kernel.org; linux-a...@vger.kernel.org; Shuah Khan > ; linux-kselftest@vger.kernel.org; Fontenot, > Nathan ; Sharma, Deepak > ; Deucher, Alexander > ; Huang, Shimmer > ; Yuan, Perry ; Du, > Xiaojian ; Viresh Kumar ; > Borislav Petkov ; Rafael J . Wysocki &

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-20 Thread Mario Limonciello
On 9/20/2023 14:34, Oleksandr Natalenko wrote: Hello. On středa 20. září 2023 18:56:09 CEST Mario Limonciello wrote: When applied on top of v6.5.3 this breaks turbo on my 5950X after suspend/resume cycle. Please see the scenario description below. If I boot v6.5.3 + this patchset, then `turbo

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-20 Thread Oleksandr Natalenko
Hello. On středa 20. září 2023 18:56:09 CEST Mario Limonciello wrote: > > When applied on top of v6.5.3 this breaks turbo on my 5950X after > > suspend/resume cycle. Please see the scenario description below. > > > > If I boot v6.5.3 + this patchset, then `turbostat` reports ~4.9 GHz on core >

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-20 Thread Mario Limonciello
On 9/19/2023 14:01, Oleksandr Natalenko wrote: Meng Li (7): x86: Drop CPU_SUP_INTEL from SCHED_MC_PRIO for the expansion. acpi: cppc: Add get the highest performance cppc control cpufreq: amd-pstate: Enable amd-pstate preferred core supporting. cpufreq: Add a notification message that

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-19 Thread Huang Rui
On Mon, Sep 18, 2023 at 04:14:00PM +0800, Meng, Li (Jassmine) wrote: > Hi all: > > The core frequency is subjected to the process variation in semiconductors. > Not all cores are able to reach the maximum frequency respecting the > infrastructure limits. Consequently, AMD has redefined the concept

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-19 Thread Oleksandr Natalenko
Hello. On pondělí 18. září 2023 10:14:00 CEST Meng Li wrote: > Hi all: > > The core frequency is subjected to the process variation in semiconductors. > Not all cores are able to reach the maximum frequency respecting the > infrastructure limits. Consequently, AMD has redefined the concept of > m

RE: [PATCH V7 0/7] amd-pstate preferred core

2023-09-18 Thread Meng, Li (Jassmine)
.@kernel.org; linux-a...@vger.kernel.org; Shuah Khan > ; linux-kselftest@vger.kernel.org; Fontenot, > Nathan ; Sharma, Deepak > ; Deucher, Alexander > ; Huang, Shimmer > ; Yuan, Perry ; Du, > Xiaojian ; Viresh Kumar ; > Borislav Petkov > Subject: Re: [PATCH V7 0/7] amd-pstat

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-18 Thread Shuah
On 9/18/23 11:44, Shuah Khan wrote: On 9/18/23 02:14, Meng Li wrote: Hi all: The core frequency is subjected to the process variation in semiconductors. Not all cores are able to reach the maximum frequency respecting the infrastructure limits. Consequently, AMD has redefined the concept of max

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-18 Thread Shuah Khan
On 9/18/23 02:14, Meng Li wrote: Hi all: The core frequency is subjected to the process variation in semiconductors. Not all cores are able to reach the maximum frequency respecting the infrastructure limits. Consequently, AMD has redefined the concept of maximum frequency of a part. This means

Re: [PATCH V7 0/7] amd-pstate preferred core

2023-09-18 Thread Mario Limonciello
On 9/18/2023 03:14, Meng Li wrote: Hi all: The core frequency is subjected to the process variation in semiconductors. Not all cores are able to reach the maximum frequency respecting the infrastructure limits. Consequently, AMD has redefined the concept of maximum frequency of a part. This mean

[PATCH V7 0/7] amd-pstate preferred core

2023-09-18 Thread Meng Li
Hi all: The core frequency is subjected to the process variation in semiconductors. Not all cores are able to reach the maximum frequency respecting the infrastructure limits. Consequently, AMD has redefined the concept of maximum frequency of a part. This means that a fraction of cores can reach