linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sc7180: Add cpu OPP tables

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Date:   Fri, 26 Jun 2020 13:21:58 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Sibi Sankar <sibis@...eaurora.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Saravana Kannan <saravanak@...gle.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Amit Kucheria <amit.kucheria@...aro.org>,
        Rob Clark <robdclark@...omium.org>,
        Evan Green <evgreen@...omium.org>
Subject: Re: [PATCH v2] arm64: dts: qcom: sc7180: Add cpu OPP tables

Hi,

On Fri, Jun 26, 2020 at 12:09 PM Sibi Sankar <sibis@...eaurora.org> wrote:
>
> Add OPP tables required to scale DDR/L3 per freq-domain on SC7180 SoCs.
>
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---
>
> v2:
>  * drop interconnect-tag property
>
> v1: https://patchwork.kernel.org/patch/11527597/
>
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 160 +++++++++++++++++++++++++++
>  1 file changed, 160 insertions(+)

This is a huge perf boost and I'd love to see it land while waiting
for the interconnect-tag stuff to get resolved.  In theory I guess we
could land the sdm845 one too...

Tested-by: Douglas Anderson <dianders@...omium.org>

I'm also not really an expert here, but the patch seems sane to me, so
I'd give it a weak:

Reviewed-by: Douglas Anderson <dianders@...omium.org>


-Doug