Hi Pratyush, On Thu, 2022-12-22 at 11:39 +0100, Pratyush Yadav wrote: > > Hi Srinivas, > > On Wed, Dec 21 2022, srinivas pandruvada wrote: > > On Wed, 2022-12-21 at 16:52 +0100, Pratyush Yadav wrote: > > > When a processor is brought offline and online again, it is > > > unable to > > > use Turbo mode because the _PSS table does not contain the whole > > > turbo > > > frequency range, but only +1 MHz above the max non-turbo > > > frequency. > > > This > > > causes problems when ACPI processor driver tries to set frequency > > > constraints. See patch 2 for more details. > > > I can reproduce on a Broadwell server platform. But not on a client system with acpi_ppc usage. Need to check what change broke this. Thanks, Srinivas > > > > Thanks, > > Srinivas > > > > > Pratyush Yadav (2): > > > acpi: processor: allow fixing up the frequency for a > > > performance > > > state > > > cpufreq: intel_pstate: use acpi perflib to update turbo > > > frequency > > > > > > drivers/acpi/processor_perflib.c | 40 > > > ++++++++++++++++++++++++++++++++ > > > drivers/cpufreq/intel_pstate.c | 5 ++-- > > > include/acpi/processor.h | 2 ++ > > > 3 files changed, 45 insertions(+), 2 deletions(-) > > > > > > -- > > > 2.38.1 > > > > > >
