Messages in this thread | | | Date | Thu, 20 Jun 2013 10:35:26 +0530 | Subject | Re: [PATCH v3 1/3] cpufreq: Add boost frequency support in core | From | Viresh Kumar <> |
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On 18 June 2013 19:14, Lukasz Majewski <l.majewski@samsung.com> wrote: > On Tue, 18 Jun 2013 15:26:16 +0200, Rafael J. Wysocki wrote: >> On Tuesday, June 18, 2013 12:12:13 PM Viresh Kumar wrote: >> > On 17 June 2013 19:21, Lukasz Majewski <l.majewski@samsung.com>
>> Well, that's why on x86 turbo is controlled by hardware that takes >> care of keeping things within the chip's thermal limits. > > And this is the reason why I don't want to overly change acpi-cpufreq.c > code. :-)
We need to keep both hardware/software boost features at the same place in core, they may behave differently though. That's why I wanted you to do that.
> I think that thermal subsystem shall be the second option to disable SW > boosting. > > The main control shall be done inside the cpufreq core. The idea to > disable boost when more than one core is active is rational.
But then, it might not be enough. A single core can make your SoC very hot.
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