Merge tag 'amd-pstate-v6.11-2024-06-24' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux

Merge the second round of changes for amd-pstate in 6.11 from Mario
Limonciello:

"* Enables amd-pstate by default in "shared memory" designs without
   a dedicated MSR.
 * Adds extra infrastructure for debugging problems.
 * Bug fixes found for init/unload failure."

* tag 'amd-pstate-v6.11-2024-06-24' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux:
  cpufreq: simplify boolean parsing with kstrtobool in store function
  cpufreq: amd-pstate: Don't create attributes when registration fails
  cpufreq: amd-pstate: Make amd-pstate unit tests depend on amd-pstate
  cpufreq/amd-pstate: fix setting policy current frequency value
  cpufreq: amd-pstate: auto-load pstate driver by default
  cpufreq: amd-pstate: enable shared memory type CPPC by default
  cpufreq: amd-pstate: switch boot_cpu_has() to cpu_feature_enabled()
  Documentation: PM: amd-pstate: add guided mode to the Operation mode
  cpufreq: amd-pstate: add debug message while CPPC is supported and disabled by SBIOS
  cpufreq: amd-pstate: show CPPC debug message if CPPC is not supported
  cpufreq: amd-pstate: remove unused variable nominal_freq
  cpufreq: amd-pstate: optimize the initial frequency values verification
  cpufreq: amd-pstate: Allow users to write 'default' EPP string

Author: rafaeljw

Documentation/admin-guide/pm/amd-pstate.rst

@@ -406,7 +406,7 @@ control its functionality at the system level.  They are located in the
 ``/sys/devices/system/cpu/amd_pstate/`` directory and affect all CPUs.
 
 ``status``
-	Operation mode of the driver: "active", "passive" or "disable".
+	Operation mode of the driver: "active", "passive", "guided" or "disable".
 
 	"active"
 		The driver is functional and in the ``active mode``

drivers/cpufreq/Kconfig.x86

@@ -71,6 +71,7 @@ config X86_AMD_PSTATE_DEFAULT_MODE
 config X86_AMD_PSTATE_UT
 	tristate "selftest for AMD Processor P-State driver"
 	depends on X86 && ACPI_PROCESSOR
+	depends on X86_AMD_PSTATE
 	default n
 	help
 	  This kernel module is used for testing. It's safe to say M here.