From: Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Rafael Wysocki <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org"
<linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>,
"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Nishanth Menon <nm-l0cyMroinI0@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Bartlomiej Zolnierkiewicz
<b.zolnierkie-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Marek Szyprowski
<m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Rafael J. Wysocki"
<rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH V2 2/5] PM / OPP: Add {opp-microvolt|opp-microamp|turbo-mode|opp-suspend}-<name> binding
Date: Tue, 10 Nov 2015 20:25:05 +0530 [thread overview]
Message-ID: <20151110145505.GB5408@ubuntu> (raw)
In-Reply-To: <20151106015321.GF3773@ubuntu>
On 06-11-15, 07:23, Viresh Kumar wrote:
> Yeah, but in that case 1200 *may* not be a turbo frequency anymore, as
> the voltage constraints might have changed.
>
> So turbo frequency is something that should be used only in small
> bursts, as they are consume lot of power. They aren't available to be
> used freely. They may also have thermal side effects..
>
> In a similar way, for suspend-freq, we may or may not want the lowest
> frequency to be used during suspend and so that can change as well.
> And we shouldn't have suspend-freq set for two OPP nodes.
@Rob: Does my comments make any sense now? Or you still think we are
doing something wrong here?
--
viresh
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WARNING: multiple messages have this Message-ID (diff)
From: Viresh Kumar <viresh.kumar@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
Stephen Boyd <sboyd@codeaurora.org>,
Lee Jones <lee.jones@linaro.org>,
"linaro-kernel@lists.linaro.org" <linaro-kernel@lists.linaro.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>, Nishanth Menon <nm@ti.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
open list <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [PATCH V2 2/5] PM / OPP: Add {opp-microvolt|opp-microamp|turbo-mode|opp-suspend}-<name> binding
Date: Tue, 10 Nov 2015 20:25:05 +0530 [thread overview]
Message-ID: <20151110145505.GB5408@ubuntu> (raw)
In-Reply-To: <20151106015321.GF3773@ubuntu>
On 06-11-15, 07:23, Viresh Kumar wrote:
> Yeah, but in that case 1200 *may* not be a turbo frequency anymore, as
> the voltage constraints might have changed.
>
> So turbo frequency is something that should be used only in small
> bursts, as they are consume lot of power. They aren't available to be
> used freely. They may also have thermal side effects..
>
> In a similar way, for suspend-freq, we may or may not want the lowest
> frequency to be used during suspend and so that can change as well.
> And we shouldn't have suspend-freq set for two OPP nodes.
@Rob: Does my comments make any sense now? Or you still think we are
doing something wrong here?
--
viresh
next prev parent reply other threads:[~2015-11-10 14:55 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-05 1:41 [PATCH V2 0/5] PM / OPP: opp-supported-hw and <prop>-name bindings Viresh Kumar
2015-11-05 1:41 ` [PATCH V2 1/5] PM / OPP: Add "opp-supported-hw" binding Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
2015-11-05 2:57 ` Rob Herring
2015-11-05 1:41 ` [PATCH V2 2/5] PM / OPP: Add {opp-microvolt|opp-microamp|turbo-mode|opp-suspend}-<name> binding Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
2015-11-05 3:02 ` Rob Herring
2015-11-05 3:19 ` Viresh Kumar
2015-11-05 23:33 ` Rob Herring
2015-11-06 1:53 ` Viresh Kumar
2015-11-10 14:55 ` Viresh Kumar [this message]
2015-11-10 14:55 ` Viresh Kumar
2015-11-10 15:37 ` Rob Herring
2015-11-05 1:41 ` [PATCH V2 3/5] PM / OPP: Remove 'operating-points-names' binding Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
[not found] ` <c4070eeceb0fdf6a6ab56fcaef1769d01dd01c7e.1446687367.git.viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-05 3:09 ` Rob Herring
2015-11-05 3:09 ` Rob Herring
2015-11-05 1:41 ` [PATCH V2 4/5] PM / OPP: Rename OPP nodes as opp@<opp-hz> Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
2015-11-05 3:18 ` Rob Herring
2015-11-05 1:41 ` [PATCH V2 5/5] ARM: dts: exynos4412: " Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
2015-11-05 1:41 ` Viresh Kumar
2015-11-05 1:51 ` Krzysztof Kozlowski
2015-11-05 1:51 ` Krzysztof Kozlowski
2015-11-05 1:57 ` Viresh Kumar
2015-11-05 1:57 ` Viresh Kumar
2015-11-05 22:31 ` [PATCH V2 0/5] PM / OPP: opp-supported-hw and <prop>-name bindings Rafael J. Wysocki
2015-11-06 1:45 ` Viresh Kumar
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