From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B758C5ACD7 for ; Tue, 17 Mar 2020 20:43:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7376B20409 for ; Tue, 17 Mar 2020 20:43:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="Sg4kmayy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726388AbgCQUnS (ORCPT ); Tue, 17 Mar 2020 16:43:18 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:19834 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726738AbgCQUnR (ORCPT ); Tue, 17 Mar 2020 16:43:17 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1584477797; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=5Sknz7KDOw1qdge5xizFs8Eb5sj7/j6Seo1ppF3kntM=; b=Sg4kmayy2Nns/c6Ef3QKTqMsa3mEEEcKankXFwneRrcKfQtIhfR1Soq5bcKetjDYuM/uIoPI CX8nQfpO9binfu2bWd22zDh9Zx98vfI3clUaNiupfyp0P5rYLAjBb44NIz7OyvGvBINbwxxO 3Dm6E8ihkZGAPu78ElNRA/8pPnk= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e713664.7f7a1a189ed8-smtp-out-n03; Tue, 17 Mar 2020 20:43:16 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 278F1C43637; Tue, 17 Mar 2020 20:43:16 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5E54BC433CB; Tue, 17 Mar 2020 20:43:15 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 18 Mar 2020 02:13:15 +0530 From: Sibi Sankar To: viresh.kumar@linaro.org, sboyd@kernel.org, georgi.djakov@linaro.org, saravanak@google.com Cc: 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 Subject: Re: [RFC v3 00/10] DDR/L3 Scaling support on SDM845 and SC7180 SoCs In-Reply-To: <20200127200350.24465-1-sibis@codeaurora.org> References: <20200127200350.24465-1-sibis@codeaurora.org> Message-ID: <19cf027ba87ade1b895ea90ac0fedbe2@codeaurora.org> X-Sender: sibis@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2020-01-28 01:33, Sibi Sankar wrote: > This RFC series aims to extend cpu based scaling support to L3/DDR on > SDM845 and SC7180 SoCs. > Hey Viresh/Saravana, Ping! Can you take a stab at reviewing the series, it has been on the list for a while now. > Patches [1-3] - Blacklist SDM845 and SC7180 in cpufreq-dt-platdev > Patches [5-7] - Hack in a way to add/remove multiple opp tables to > a single device. I am yet to fix the debugfs to > support multiple opp_tables per device but wanted to > send what was working upstream to get an idea if multiple > opp tables per device is a feature that will be useful > upstream. > Patches [9-10] - Add the cpu/cpu-ddr/cpu-l3 opp tables for SDM845 > and SC7180 SoCs. > > v3: > * Migrated to using Saravana's opp-kBps bindings [1] > * Fixed some misc comments from Rajendra > * Added support for SC7180 > > v2: > * Incorporated Viresh's comments from: > > https://lore.kernel.org/lkml/20190410102429.r6j6brm5kspmqxc3@vireshk-i7/ > > https://lore.kernel.org/lkml/20190410112516.gnh77jcwawvld6et@vireshk-i7/ > * Dropped cpufreq-map passive governor > > Git-branch: https://github.com/QuinAsura/linux/tree/lnext-012420 > > Some alternate ways of hosting the opp-tables: > https://github.com/QuinAsura/linux/commit/50b92bfaadc8f9a0d1e12249646e018bd6d1a9d3 > https://github.com/QuinAsura/linux/commit/3d23d1eefd16ae6d9e3ef91e93e78749d8844e98 > Viresh didn't really like ^^ bindings and they dont really scale well. > Just > including them here for completeness. > > Depends on the following series: > [1] https://patchwork.kernel.org/cover/11277199/ > [2] https://patchwork.kernel.org/cover/11055499/ > [3] https://patchwork.kernel.org/cover/11326381/ > > Sibi Sankar (10): > arm64: dts: qcom: sdm845: Add SoC compatible to MTP > cpufreq: blacklist SDM845 in cpufreq-dt-platdev > cpufreq: blacklist SC7180 in cpufreq-dt-platdev > OPP: Add and export helper to update voltage > opp: of: export _opp_of_get_opp_desc_node > opp: Allow multiple opp_tables to be mapped to a single device > opp: Remove multiple attached opp tables from a device > cpufreq: qcom: Update the bandwidth levels on frequency change > arm64: dts: qcom: sdm845: Add cpu OPP tables > arm64: dts: qcom: sc7180: Add cpu OPP tables > > arch/arm64/boot/dts/qcom/sc7180.dtsi | 287 +++++++++++++++ > arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 2 +- > arch/arm64/boot/dts/qcom/sdm845.dtsi | 453 ++++++++++++++++++++++++ > drivers/cpufreq/cpufreq-dt-platdev.c | 2 + > drivers/cpufreq/qcom-cpufreq-hw.c | 246 +++++++++++-- > drivers/opp/core.c | 111 +++++- > drivers/opp/of.c | 3 +- > drivers/opp/opp.h | 2 + > include/linux/pm_opp.h | 10 + > 9 files changed, 1083 insertions(+), 33 deletions(-) -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.