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Groups > linux.kernel > #1422083
| From | Sudeep Holla <sudeep.holla@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v6 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states |
| Date | 2016-06-14 18:50 +0200 |
| Message-ID | <rJZHk-7nr-23@gated-at.bofh.it> (permalink) |
| References | <rJXPc-66e-13@gated-at.bofh.it> <rJXYS-69X-37@gated-at.bofh.it> |
| Organization | ARM |
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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[PATCH v6 0/5] ACPI / processor_idle: Add ACPI v6.0 LPI support Sudeep Holla <sudeep.holla@arm.com> - 2016-06-14 16:50 +0200
[PATCH v6 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states Sudeep Holla <sudeep.holla@arm.com> - 2016-06-14 17:00 +0200
Re: [PATCH v6 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states Sudeep Holla <sudeep.holla@arm.com> - 2016-06-14 18:50 +0200
[PATCH v6 2/5][UPDATED] ACPI / processor_idle: Add support for Low Power Idle(LPI) states Sudeep Holla <sudeep.holla@arm.com> - 2016-06-14 19:00 +0200
Re: [PATCH v6 0/5] ACPI / processor_idle: Add ACPI v6.0 LPI support Sudeep Holla <sudeep.holla@arm.com> - 2016-06-22 19:50 +0200
Re: [PATCH v6 0/5] ACPI / processor_idle: Add ACPI v6.0 LPI support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-06-23 02:40 +0200
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