linux-kernel - Re: [PATCH v2 00/10] interconnect: osm-l3: SC8280XP L3 and DDR scaling

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Message-ID: <59715ef2-3335-7f8e-54f1-c4315ceba232@kernel.org>
Date:   Thu, 17 Nov 2022 18:25:03 +0200
From:   Georgi Djakov <djakov@...nel.org>
To:     Bjorn Andersson <quic_bjorande@...cinc.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>
Cc:     Mike Tipton <quic_mdtipton@...cinc.com>,
        Johan Hovold <johan+linaro@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/10] interconnect: osm-l3: SC8280XP L3 and DDR
 scaling

On 11.11.22 5:25, Bjorn Andersson wrote:
> The SC8280XP currently shows depressing results in memory benchmarks.
> Fix this by introducing support for the platform in the OSM (and EPSS)
> L3 driver and support for the platform in the bwmon binding.
> 
> Then add the necessary nodes and values throughout the sc8280xp and
> sa8540p dtsi files to make the various devices on these platforms scale
> both L3, memory bus and DDR.

Good stuff! Thanks Bjorn!

I plan to merge everything except the dts patches, that should go
through the qcom tree.

BR,
Georgi


> Bjorn Andersson (10):
>    interconnect: qcom: osm-l3: Use platform-independent node ids
>    interconnect: qcom: osm-l3: Squash common descriptors
>    interconnect: qcom: osm-l3: Add per-core EPSS L3 support
>    interconnect: qcom: osm-l3: Simplify osm_l3_set()
>    dt-bindings: interconnect: Add sm8350, sc8280xp and generic OSM L3
>      compatibles
>    arm64: dts: qcom: Align with generic osm-l3/epss-l3
>    arm64: dts: qcom: sc8280xp: Add epss_l3 node
>    arm64: dts: qcom: sc8280xp: Set up L3 scaling
>    dt-bindings: interconnect: qcom,msm8998-bwmon: Add sc8280xp bwmon
>      instances
>    arm64: dts: qcom: sc8280xp: Add bwmon instances
> 
>   .../interconnect/qcom,msm8998-bwmon.yaml      |   5 +
>   .../bindings/interconnect/qcom,osm-l3.yaml    |  24 ++-
>   arch/arm64/boot/dts/qcom/sa8540p.dtsi         |  39 +++++
>   arch/arm64/boot/dts/qcom/sc7180.dtsi          |   2 +-
>   arch/arm64/boot/dts/qcom/sc7280.dtsi          |   2 +-
>   arch/arm64/boot/dts/qcom/sc8280xp.dtsi        | 152 ++++++++++++++++++
>   arch/arm64/boot/dts/qcom/sdm845.dtsi          |   2 +-
>   arch/arm64/boot/dts/qcom/sm8150.dtsi          |   2 +-
>   arch/arm64/boot/dts/qcom/sm8250.dtsi          |   2 +-
>   drivers/interconnect/qcom/osm-l3.c            | 126 ++++-----------
>   10 files changed, 252 insertions(+), 104 deletions(-)
>