--- drivers/acpi/processor_perflib.c

+++ drivers/acpi/processor_perflib.c

@@ -356,7 +356,11 @@ static int acpi_processor_get_performanc

if (result)

goto update_bios;

- return 0;

+ /* We need to call _PPC once when cpufreq starts */

+ if (ignore_ppc != 1)

+ result = acpi_processor_get_platform_limit(pr);

+

+ return result;

/*

* Having _PPC but missing frequencies (_PSS, _PCT) is a very good hint that