linux-kernel - Re: [PATCH v3 0/4] thermal: hisilicon: enable power allocator for Hi6220

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Date:	Wed, 30 Mar 2016 16:18:25 +0100
From:	Wei Xu <xuwei5@...ilicon.com>
To:	Leo Yan <leo.yan@...aro.org>,
	Eduardo Valentin <edubezval@...il.com>
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Zhang Rui <rui.zhang@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Guodong Xu <guodong.xu@...aro.org>,
	"haojian.zhuang@...aro.org" <haojian.zhuang@...aro.org>,
	"zhangfei.gao@...aro.org" <zhangfei.gao@...aro.org>
Subject: Re: [PATCH v3 0/4] thermal: hisilicon: enable power allocator for
 Hi6220

Hi Leo,

On 30/03/2016 03:53, Leo Yan wrote:
> On Tue, Mar 29, 2016 at 08:45:59AM -0700, Eduardo Valentin wrote:
>> On Tue, Mar 29, 2016 at 07:27:11PM +0800, Leo Yan wrote:
>>> Hi6220 has octa-core so it has quite high power consumption when run
>>> benchmark and introduces high temperature for SoC. So need enable
>>> thermal governor to control temperature and also cannot hurt much for
>>> performance after impose cooling operations on CPU.
>>>
>>> This patch series is to enable power allocator for Hi6220. Patch 1 is to
>>> change "hysteresis" as optional property for trip points, so when enable
>>> power allocator governor we can ignore this property.
>>>
>>> During profiling also found two issues for thermal sensor's driver. The
>>> power allocator just uses only one sensor, so patch 2 is to fix sensor
>>> driver to let it can initialize driver successfully with only enabling
>>> one sensor; patch 3 is to dismiss warning of IRQ imbalance enabling.
>>>
>>> After profiling on Hikey, the power model has been simplized with only
>>> dynamic coefficient, and now it's convienence to pass it from CPU node.
>>> So patch 4 and 5 bind sensor and pass power model parameters.
>>>
>>> This patch series have been tested on 96boards Hikey.
>>
>> Applied patches 1 and 2 in my fixes branch. Patches 3 and 4 need to go
>> via the hisi platform tree. You may add my
>>
>> Acked-by: Eduardo Valentin <edubezval@...il.com>
>>
>> on patches 3 and 4 if you want.
> 
> Thanks, Eduardo.
> 
> Hi Wei,
> 
> Could you help pick up patches 3/4 for enabling thermal in dts?

Applied 3 & 4.
Thanks!

Best Regards,
Wei

> 
> Thanks,
> Leo Yan
> 
> .
>