Messages in this thread | | | Subject | Re: [PATCH v6 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states | From | Sudeep Holla <> | Date | Tue, 14 Jun 2016 17:47:40 +0100 |
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On 14/06/16 15:48, Sudeep Holla wrote: > ACPI 6.0 introduced an optional object _LPI that provides an alternate > method to describe Low Power Idle states. It defines the local power > states for each node in a hierarchical processor topology. The OSPM can > use _LPI object to select a local power state for each level of processor > hierarchy in the system. They used to produce a composite power state > request that is presented to the platform by the OSPM. > > Since multiple processors affect the idle state for any non-leaf hierarchy > node, coordination of idle state requests between the processors is > required. ACPI supports two different coordination schemes: Platform > coordinated and OS initiated. > > This patch adds initial support for Platform coordination scheme of LPI. >
I seem to have sent a stale version of this patch, will send an updated version of this patch alone. Please ignore this one.
-- Regards, Sudeep
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