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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham 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 48E88C43387 for ; Thu, 3 Jan 2019 04:49:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 17E832070C for ; Thu, 3 Jan 2019 04:49:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uIZIiUAn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="DlebsdW5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 17E832070C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0UcRBaXTlS/c576oQfJbkepm2OSz8jm2uNsStz2D210=; b=uIZIiUAnNPNjmE 3WlF7A7qhBvlWrr3iful8zEeV78Eb6x3nS6ON8qMiZZwzu/o8EF4w74a0qzO5k2mEKfuRHpsA3VwE PuTRZG+ij0OblEA5njH+60MDWvkE8i8dRvgpzG0jZoVR64BiRA0wxGzMM7Z7jBw5A52BJDKjn1Ful /3DdC7rzZxL9Yd8tgkdSmuSXdVB8nLFSyZoKv2mjw/NVxF5PB7r5OpY2X1/TRa58/mQogFPn65wzp Jliin9U+fImj5rxksXyZTiI+68XhI3EoXQ7FvxTWUjJlOIqoEjO0oaAx5qK8RXFS+wb7+Rm6FinF2 5joW/MLk6Fdi6hUFW+Kw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1geuwE-0003pM-HV; Thu, 03 Jan 2019 04:48:58 +0000 Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1geuwB-0003oI-Ey for linux-arm-kernel@lists.infradead.org; Thu, 03 Jan 2019 04:48:56 +0000 Received: by mail-pl1-x644.google.com with SMTP id e5so15389105plb.5 for ; Wed, 02 Jan 2019 20:48:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=wD3XC5clJgBcb8qj6+QFlJOKL54hcbtfhGqHXTkeYKQ=; b=DlebsdW5lff+RPbGDS2SLByu/C1tjDsxWGxidpo1iP89m+Wnjz9mYRADF390OWvb1w O/JyjlVafxkMq240QYceRnXncgvmZNNM7/qrOsaGahRQxKIV+MhiQyJ0CYvmUkxF5bXm f+Lv7vyy0k2KjKUUm2Vl4VnHs2JsR6dgrmd2U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=wD3XC5clJgBcb8qj6+QFlJOKL54hcbtfhGqHXTkeYKQ=; b=nxpR4wJ4NCmOXhz4nlCpWw+5l4UPlkEqr/Rlv/10WKWH6w7s3/tXf/+PZPUJvd3Gak uJGWRR+4XV/ED6uBQqaNYWffuuEWvhqID8mpDjXWt6MUu3wsF4qb59l4jha9yTV2X9cL O3Q5a8cN0/nbcX+4cQWzEbEAWYruPGmfz+QCJHKXRMetgCZgz/wdmlGrMfBiDYLKy/xL djBg9TG/irZj1bRD2h7uDxYOS6ivqeBVc6CsCB2DpzYBkJpbMfmO6KUqgxADfJOgK0f5 9XeT1yBYdPPtxtQtl9qtB/FrwmtUiZsoySQc4V/1BPv0vssf75rkRSZ8F3YjwQqcYgy8 PnBw== X-Gm-Message-State: AJcUukf8ABRDxBCG67DAkIcIjschEB8F8huIAd3WYqJlto7SD8haZPsv ZqmDT9OCR7Ws3tYHceNksjPZDw== X-Google-Smtp-Source: ALg8bN7eRV8ClXNiBKmZQLflSwaRLxDf6g9zcU0iaIq0tFuz7/SxTF3erLWkUgrBUsyblij6npzmjg== X-Received: by 2002:a17:902:1008:: with SMTP id b8mr44348614pla.252.1546490934801; Wed, 02 Jan 2019 20:48:54 -0800 (PST) Received: from localhost ([122.166.131.155]) by smtp.gmail.com with ESMTPSA id h134sm108167206pfe.27.2019.01.02.20.48.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Jan 2019 20:48:54 -0800 (PST) Date: Thu, 3 Jan 2019 10:18:52 +0530 From: Viresh Kumar To: Henry Chen Subject: Re: [RFC RESEND PATCH 0/7] Add driver for dvfsrc and add support for active state of scpsys on mt8183 Message-ID: <20190103044852.l7sxfqeqnxx2xbp5@vireshk-i7> References: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> User-Agent: NeoMutt/20180323-120-3dd1ac X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190102_204855_501506_F2D61600 X-CRM114-Status: GOOD ( 14.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , James Liao , Ulf Hansson , Kees Cook , Weiyi Lu , linux-pm@vger.kernel.org, Stephen Boyd , Viresh Kumar , linux-kernel@vger.kernel.org, Fan Chen , devicetree@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 02-01-19, 22:09, Henry Chen wrote: > The patchsets add support for MediaTek hardware module named DVFSRC > (dynamic voltage and frequency scaling resource collector). The DVFSRC is > a HW module which is used to collect all the requests from both software > and hardware and turn into the decision of minimum operating voltage and > minimum DRAM frequency to fulfill those requests. > > So, This series is to implement the dvfsrc driver to collect all the > requests of operating voltage or DRAM bandwidth from other device drivers > likes GPU/Camera through 2 frameworks basically: > > 1. PM_QOS_MEMORY_BANDWIDTH from PM QOS: to aggregate the bandwidth > requirements from different clients > 2. Active state management of power domains[1]: to handle the operating > voltage opp requirement from different power domains Honestly speaking I wasn't sure if anyone apart from Qcom will ever use this feature when I wrote it first and I am quite surprised and happy to see your patches. They are mostly very neat and clean patches and I don't have complaints with most of them. Lets see what comments others provide on them. Thanks. -- viresh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel