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From: Rajendra Nayak <rnayak@codeaurora.org>
To: Viresh Kumar <viresh.kumar@linaro.org>,
	Sibi Sankar <sibis@codeaurora.org>
Cc: sboyd@kernel.org, georgi.djakov@linaro.org, saravanak@google.com,
	nm@ti.com, bjorn.andersson@linaro.org, agross@kernel.org,
	david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
	rjw@rjwysocki.net, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, dianders@chromium.org,
	mka@chromium.org, vincent.guittot@linaro.org,
	amit.kucheria@linaro.org, ulf.hansson@linaro.org,
	linux-kernel-owner@vger.kernel.org
Subject: Re: [RFC v3 00/10] DDR/L3 Scaling support on SDM845 and SC7180 SoCs
Date: Thu, 19 Mar 2020 16:23:32 +0530
Message-ID: <78d92969-0219-d140-d788-d1b14e643e90@codeaurora.org> (raw)
In-Reply-To: <20200319102411.oivesngrk7gy7vtw@vireshk-i7>



On 3/19/2020 3:54 PM, Viresh Kumar wrote:
> On 19-03-20, 15:41, Sibi Sankar wrote:
>> Viresh,
>> Saravana's example does show a device
>> with multiple opp tables but doesn't
>> need multiple opp table support to
>> land though (since it works fine with
>> the current implementation). I am more
>> interested  in understanding your/
>> Stephen's/Saravana's stance on adding
>> multiple opp-table support. Personally
>> I feel its inevitable, since multiple
>> qc drivers using interconnect opp-tables,
>> routinely need vote on multiple paths in
>> a non-trivial manner.
> 
> The OPP core doesn't support multiple OPP tables for a device and I
> don't understand how it will. And so I have been waiting for a reply.

I thought this series indeed is proposing to add that support in OPP core?
a.k.a "[RFC v3 06/10] opp: Allow multiple opp_tables to be mapped to a single device"

> 
>>>
>>> Could you please post a link to the discussion that you are referring to
>>> here?
>>> I looked at a few links posted in the cover letter as dependencies and
>>> it seems
>>> like the discussions are pending for *months* and not weeks but I
>>> might have looked
>>> at the wrong ones.
>>
>> https://lore.kernel.org/lkml/20200114103448.odnvqawnqb3twst5@vireshk-i7/
>>
>> Rajendra,
>> Viresh is referring to ^^ one
> 
> Right, thanks.

These discussions are stalled for over 2 months now waiting on a response from Saravana.
Viresh, whats the way forward here and how long do we plan on waiting for Saravanas response?


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  reply index

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-27 20:03 Sibi Sankar
2020-01-27 20:03 ` [RFC v3 01/10] arm64: dts: qcom: sdm845: Add SoC compatible to MTP Sibi Sankar
2020-01-28 20:40   ` Matthias Kaehlcke
2020-01-29 13:45     ` Sibi Sankar
2020-01-27 20:03 ` [RFC v3 02/10] cpufreq: blacklist SDM845 in cpufreq-dt-platdev Sibi Sankar
2020-01-28 20:44   ` Matthias Kaehlcke
2020-01-29 13:46     ` Sibi Sankar
2020-01-30 11:40     ` Sudeep Holla
2020-02-01 12:21       ` Sibi Sankar
2020-01-27 20:03 ` [RFC v3 03/10] cpufreq: blacklist SC7180 " Sibi Sankar
2020-01-28 20:45   ` Matthias Kaehlcke
2020-01-27 20:03 ` [RFC v3 04/10] OPP: Add and export helper to update voltage Sibi Sankar
2020-01-28 21:33   ` Matthias Kaehlcke
2020-01-29 13:49     ` Sibi Sankar
2020-01-27 20:03 ` [RFC v3 05/10] opp: of: export _opp_of_get_opp_desc_node Sibi Sankar
2020-01-27 20:03 ` [RFC v3 06/10] opp: Allow multiple opp_tables to be mapped to a single device Sibi Sankar
2020-01-27 20:03 ` [RFC v3 07/10] opp: Remove multiple attached opp tables from a device Sibi Sankar
2020-01-27 20:03 ` [RFC v3 08/10] cpufreq: qcom: Update the bandwidth levels on frequency change Sibi Sankar
2020-01-29  9:35   ` Lukasz Luba
2020-01-29 14:27     ` Sibi Sankar
2020-01-27 20:03 ` [RFC v3 09/10] arm64: dts: qcom: sdm845: Add cpu OPP tables Sibi Sankar
2020-01-29  1:24   ` Matthias Kaehlcke
2020-01-29 14:05     ` Sibi Sankar
2020-01-29 18:18       ` Matthias Kaehlcke
2020-01-27 20:03 ` [RFC v3 10/10] arm64: dts: qcom: sc7180: " Sibi Sankar
2020-01-29  2:54 ` [RFC v3 00/10] DDR/L3 Scaling support on SDM845 and SC7180 SoCs Rob Clark
2020-01-29 14:21   ` Sibi Sankar
2020-01-29  9:46 ` Lukasz Luba
2020-01-29 14:37   ` Sibi Sankar
2020-01-29 15:47     ` Lukasz Luba
2020-03-17 20:43 ` Sibi Sankar
2020-03-18  3:42   ` Viresh Kumar
2020-03-19  9:42     ` Rajendra Nayak
2020-03-19 10:11       ` Sibi Sankar
2020-03-19 10:24         ` Viresh Kumar
2020-03-19 10:53           ` Rajendra Nayak [this message]
2020-03-19 11:08             ` Viresh Kumar
2020-03-19 11:33               ` Rajendra Nayak
2020-03-20  8:01                 ` Viresh Kumar
2020-03-19 10:57           ` Sibi Sankar

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