lkml.org 
[lkml]   [2019]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v4 0/3] Introduce Bandwidth OPPs for interconnects
From
Date
On 7/30/19 11:23 AM, Saravana Kannan wrote:
> On Mon, Jul 29, 2019 at 10:28 PM Sibi Sankar <sibis@codeaurora.org> wrote:
>>
>> Hey Viresh,
>>
>> On 7/30/19 8:16 AM, Viresh Kumar wrote:
>>> On 29-07-19, 13:16, Saravana Kannan wrote:
>>>> Sibi might be working on doing that for the SDM845 CPUfreq driver.
>>>> Georgi could also change his GPU driver use case to use this BW OPP
>>>> table and required-opps.
>>>>
>>>> The problem is that people don't want to start using this until we
>>>> decide on the DT representation. So it's like a chicken and egg
>>>> situation.
>>>
>>> Yeah, I agree to that.
>>>
>>> @Georgi and @Sibi: This is your chance to speak up about the proposal
>>> from Saravana and if you find anything wrong with them. And specially
>>> that it is mostly about interconnects here, I would like to have an
>>> explicit Ack from Georgi on this.
>>>
>>> And if you guys are all okay about this then please at least commit
>>> that you will convert your stuff based on this in coming days.
>>
>> I've been using both Saravana's and Georgi's series for a while
>> now to scale DDR and L3 on SDM845. There is currently no consensus
>> as to where the votes are to be actuated from, hence couldn't post
>> anything out.
>>
>> DCVS based on Saravana's series + passive governor:
>> https://github.com/QuinAsura/linux/tree/lnext-072619-SK-series
>
> Thanks Sibi! You might want to convert your patches so that until the
> passive governor is ready, you just look up the required opps and vote
> for BW directly from the cpufreq driver. Once devfreq governor is
> ready, you can switch to it.

Sure I'll do that.

>
> -Saravana
>
>>
>> DCVS based on Georgi's series: (I had already posted this out)
>> https://github.com/QuinAsura/linux/tree/lnext-072619-GJ-series
>>
>> --
>> Qualcomm Innovation Center, Inc.
>> Qualcomm Innovation Center, Inc, is a member of Code Aurora Forum,
>> a Linux Foundation Collaborative Project

--
Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc, is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

\
 
 \ /
  Last update: 2019-07-30 18:43    [W:0.044 / U:0.812 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site