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4d621c3f02
On supported platforms, the low power mode (LPM) requirements for entering each idle substate are described in Platform Monitoring Technology (PMT) telemetry entries. Provide a function for platform code to attempt to find and read the requirements from the telemetry entries. Signed-off-by: Xi Pardee <xi.pardee@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20231129222132.2331261-18-david.e.box@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>