Re: [PATCH v6 0/8] Add support for Tegra Activity Monitor

[Alexandre Courbot]

On Wed, Mar 18, 2015 at 3:27 PM, Tomeu Vizoso
<tomeu.vizoso@xxxxxxxxxxxxx> wrote:
> On 18 March 2015 at 06:10, MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> wrote:
>>> Hello,
>>>
>>> something happened during the last cycle and an old version of the devfreq
>>> driver was merged.
>>>
>>> This thread contains patches that bring it up to date to the last submitted
>>> version and also incorporates the feedback that that version received, plus
>>> some other small fixes and improvements that came up during rebase and
>>> testing.
>>>
>>> These patches implement support for setting the rate of the EMC clock based on
>>> stats collected from the ACTMON, a piece of hw in the Tegra124 that counts
>>> memory accesses (among others).
>>>
>>> It depends on the following in-flight patches:
>>>
>>> * EMC driver: http://thread.gmane.org/gmane.linux.kernel/1907035
>>> * CPUFreq driver: http://thread.gmane.org/gmane.linux.kernel/1897078
>>>
>>> I have pushed a branch here for testing:
>>>
>>> http://cgit.collabora.com/git/user/tomeu/linux.git/log/?h=actmon-v6
>>>
>>> Regards,
>>>
>>> Tomeu
>>>
>>> Tomeu Vizoso (8):
>>>   of: Add binding for NVIDIA Tegra ACTMON node
>>>   PM / devfreq: tegra: Update to v5 of the submitted patches
>>>   clk: tegra: Have EMC clock implement determine_rate()
>>>   PM / devfreq: tegra: Use clock rate constraints
>>>   PM / devfreq: tegra: remove operating-points
>>>   PM / devfreq: tegra: Set drvdata before enabling the irq
>>>   PM / devfreq: tegra: Enable interrupts after resuming the devfreq
>>>     monitor
>>>   ARM: tegra: Add Tegra124 ACTMON support
>>
>> Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
>> for all PM / devfreq patches (2, 4, 5, 6, 7)
>> And merged in for-rc tree with a little modification.
>
> Thanks. Though that's fine with me, I was wondering if Mikko or
> Alexandre would have any comments on the changes, even if they are
> small regarding what they already reviewed.

After a quick look I think I'm good with it. I will try to look in
further detail. If there is anything wrong, we can fix it with fixup
patches, since what has been merged is good stuff already!

I guess it would now be interesting to look at the watermark support
for devfreq. I am not sure if anything is happening to it? Arto?

https://lkml.org/lkml/2014/12/5/262
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