From: Sudeep Holla <sudeep.holla@arm.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
Vikas Sajjan <vikas.cha.sajjan@hpe.com>, Sunil <sunil.vl@hpe.com>,
Prashanth Prakash <pprakash@codeaurora.org>,
Ashwin Chaugule <ashwin.chaugule@linaro.org>,
Al Stone <al.stone@linaro.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: Re: [PATCH v5 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states
Date: Tue, 14 Jun 2016 15:24:45 +0100 [thread overview]
Message-ID: <576013AD.4040400@arm.com> (raw)
In-Reply-To: <6013371.oAQ1sZvyYq@vostro.rjw.lan>
On 13/06/16 22:05, Rafael J. Wysocki wrote:
> On Friday, June 10, 2016 06:38:01 PM Sudeep Holla wrote:
>> Hi Rafael,
>
> Hi,
>
>> On 11/05/16 16:37, 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 have added support for autopromote states(basically skip flattening or
>> creating composite state). I have also fixed the bug discussed in this
>> thread with Prashant. Do you have any other feedback on this version
>> that I incorporate before posting next version.
>
> I'd really preferred it if you posted the next version without waiting for
> my feedback to the previous one (as the feedback may not be relevant any
> more among other things).
>
Sure, will do that soon.
--
Regards,
Sudeep
next prev parent reply other threads:[~2016-06-14 14:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 15:37 [PATCH v5 0/5] ACPI / processor_idle: Add ACPI v6.0 LPI support Sudeep Holla
2016-05-11 15:37 ` [PATCH v5 1/5] ACPI / processor_idle: introduce ACPI_PROCESSOR_CSTATE Sudeep Holla
2016-05-11 16:23 ` Rafael J. Wysocki
2016-05-11 16:57 ` Sudeep Holla
[not found] ` <CAJvTdKnJPZ9Nfib=CqBczMP4BERqfqAzeSR-+jjFOGZR51oVmg@mail.gmail.com>
2016-05-11 18:28 ` Len Brown
2016-05-12 9:10 ` Sudeep Holla
2016-05-12 13:21 ` [UPDATE][PATCH v5] " Sudeep Holla
2016-05-11 15:37 ` [PATCH v5 2/5] ACPI / processor_idle: Add support for Low Power Idle(LPI) states Sudeep Holla
2016-05-17 17:46 ` Prakash, Prashanth
2016-05-18 17:37 ` Sudeep Holla
2016-05-18 19:13 ` Prakash, Prashanth
2016-05-19 13:26 ` Sudeep Holla
2016-06-10 17:38 ` Sudeep Holla
2016-06-13 21:05 ` Rafael J. Wysocki
2016-06-14 14:24 ` Sudeep Holla [this message]
2016-05-11 15:37 ` [PATCH v5 3/5] arm64: cpuidle: drop __init section marker to arm_cpuidle_init Sudeep Holla
2016-05-11 15:37 ` [PATCH v5 4/5] arm64: add support for ACPI Low Power Idle(LPI) Sudeep Holla
2016-06-10 12:50 ` Lorenzo Pieralisi
2016-06-13 16:27 ` Daniel Lezcano
2016-06-13 4:47 ` Sajjan, Vikas C
2016-06-13 9:40 ` Sudeep Holla
2016-05-11 15:37 ` [PATCH v5 5/5] ACPI : enable ACPI_PROCESSOR_IDLE on ARM64 Sudeep Holla
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