From: Antti P Miettinen <amiettinen@nvidia.com>
To: linux-pm@lists.linux-foundation.org
Cc: cpufreq@vger.kernel.org
Subject: Re: [PATCH v2 0/8] RFC: CPU frequency min/max as PM QoS params
Date: Thu, 19 Jan 2012 08:41:39 +0200 [thread overview]
Message-ID: <8762g8qjmk.fsf@amiettinen-lnx.nvidia.com> (raw)
In-Reply-To: 201201190010.38790.rjw@sisk.pl
"Rafael J. Wysocki" <rjw@sisk.pl> writes:
> On Wednesday, January 18, 2012, Antti P Miettinen wrote:
[..]
>> For the touch screen UI, the boost could be implemented as a kernel
>> module hooked with suitable event filter to the input event
>> stream. Another possibility is the UI framework in user space. Some
>> specific user space applications would also be clients.
>
> I see.
>
> However, if you use PM QoS for that as proposed, there will be only one
> misc device for the minimum CPU frequency and one for the maximum, so
> user space will only be able to specify those numbers globally, ie. for
> all CPUs in the system. Is that your intention?
Yes - global floor/ceiling is what we want for these cases. Resource
specific constraints would be useful also. I guess the device specific
requests could be used for those but I do not have any code related to
this - yet at least :-)
--Antti
next prev parent reply other threads:[~2012-01-19 6:41 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-16 6:59 [PATCH v2 0/8] RFC: CPU frequency min/max as PM QoS params Antti P Miettinen
2012-01-16 6:59 ` [PATCH v2 1/8] PM QoS: Simplify PM QoS expansion/merge Antti P Miettinen
2012-01-16 21:22 ` Rafael J. Wysocki
2012-01-18 2:50 ` mark gross
2012-01-16 6:59 ` [PATCH v2 2/8] PM QoS: Add CPU frequency minimum as PM QoS param Antti P Miettinen
2012-01-16 6:59 ` [PATCH v2 3/8] cpufreq: Export user_policy min/max Antti P Miettinen
2012-01-16 6:59 ` [PATCH v2 4/8] cpufreq: Preserve sysfs min/max request Antti P Miettinen
2012-01-16 6:59 ` [PATCH v2 5/8] cpufreq: Enforce PM QoS minimum limit Antti P Miettinen
2012-01-16 6:59 ` [PATCH v2 6/8] input: CPU frequency booster Antti P Miettinen
2012-01-16 7:00 ` [PATCH v2 7/8] PM QoS: Add CPU frequency maximum as PM QoS param Antti P Miettinen
2012-01-16 7:00 ` [PATCH v2 8/8] cpufreq: Enforce PM QoS maximum frequency Antti P Miettinen
2012-01-16 21:38 ` [PATCH v2 0/8] RFC: CPU frequency min/max as PM QoS params Rafael J. Wysocki
2012-01-17 6:14 ` Antti P Miettinen
2012-01-17 6:25 ` [linux-pm] " Mansoor, Illyas
2012-01-17 9:54 ` Antti P Miettinen
2012-01-17 21:27 ` [linux-pm] " Rafael J. Wysocki
2012-01-18 7:52 ` Antti P Miettinen
2012-01-18 23:10 ` [linux-pm] " Rafael J. Wysocki
2012-01-19 6:41 ` Antti P Miettinen [this message]
2012-01-18 3:13 ` mark gross
2012-01-18 8:15 ` Antti P Miettinen
2012-01-18 23:16 ` [linux-pm] " Rafael J. Wysocki
2012-01-18 23:24 ` Rafael J. Wysocki
2012-01-19 6:49 ` Antti P Miettinen
2012-01-19 22:40 ` [linux-pm] " Rafael J. Wysocki
2012-01-22 9:55 ` Antti P Miettinen
2012-01-19 16:41 ` [linux-pm] " mark gross
2012-01-19 19:48 ` Antti P Miettinen
2012-01-19 22:15 ` [linux-pm] " Rafael J. Wysocki
2012-01-22 10:35 ` Antti P Miettinen
2012-01-22 23:43 ` [linux-pm] " Rafael J. Wysocki
2012-02-02 6:06 ` Antti P Miettinen
2012-02-08 8:49 ` Per CPU frequency constraints (was Re: [PATCH v2 0/8] RFC: CPU frequency min/max as PM QoS params) Antti P Miettinen
2012-01-19 23:36 ` [linux-pm] [PATCH v2 0/8] RFC: CPU frequency min/max as PM QoS params Rafael J. Wysocki
2012-01-18 3:44 ` mark gross
2012-01-18 20:22 ` Antti P Miettinen
-- strict thread matches above, loose matches on Subject: below --
2012-01-13 12:59 Antti P Miettinen
2012-01-13 15:24 ` mark gross
2012-01-13 16:17 ` Antti P Miettinen
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