On 18-08-22, 16:16, Jeremy Linton wrote: > FIE is mostly implemented as PCC mailboxes on arm machines. This was > enabled by default without any data suggesting that it does anything > but hurt system performance. Lets change the default to 'n' until > hardware appears which clearly benefits. > > Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx> > --- > drivers/cpufreq/Kconfig.arm | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm > index 954749afb5fe..ad66d8f15db0 100644 > --- a/drivers/cpufreq/Kconfig.arm > +++ b/drivers/cpufreq/Kconfig.arm > @@ -22,7 +22,7 @@ config ACPI_CPPC_CPUFREQ > config ACPI_CPPC_CPUFREQ_FIE > bool "Frequency Invariance support for CPPC cpufreq driver" > depends on ACPI_CPPC_CPUFREQ && GENERIC_ARCH_TOPOLOGY > - default y > + default n > help > This extends frequency invariance support in the CPPC cpufreq driver, > by using CPPC delivered and reference performance counters. Why is this required after we have the first patch in ? -- viresh
