linux-kernel - Re: [RFC v3 00/10] DDR/L3 Scaling support on SDM845 and SC7180 SoCs

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Message-ID: <20200319102411.oivesngrk7gy7vtw@vireshk-i7>
Date:   Thu, 19 Mar 2020 15:54:11 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Sibi Sankar <sibis@...eaurora.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>, sboyd@...nel.org,
        georgi.djakov@...aro.org, saravanak@...gle.com, nm@...com,
        bjorn.andersson@...aro.org, agross@...nel.org,
        david.brown@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        rjw@...ysocki.net, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, dianders@...omium.org, mka@...omium.org,
        vincent.guittot@...aro.org, amit.kucheria@...aro.org,
        ulf.hansson@...aro.org, linux-kernel-owner@...r.kernel.org
Subject: Re: [RFC v3 00/10] DDR/L3 Scaling support on SDM845 and SC7180 SoCs

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.

> > 
> > 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.

-- 
viresh