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=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 52A67C2D0A3 for ; Wed, 4 Nov 2020 11:00:38 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 9124F20867 for ; Wed, 4 Nov 2020 11:00:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="yiuBrZml" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9124F20867 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ls1jaBTrX23VrvXZw17XrHEw51fcXsy6zjLGWOCAkIc=; b=yiuBrZmlGikhwmSyqvRbvdiEE w8F/PM0BHgowzQrlXE3axn7KvrEsFuM22Wq94es0VcB80QiDqxsUcaaABTUO33S2MIqmfmf+EsNBP A/yJC4d6KrPm4QQY/KMqcEGzAAnFwuCEuNRlT+mOzOCdZsCtYJtMZa83JRS3XhDAihnJWfIzAlSys GBHNVTRYUdha+/LH4VaAjlWxIpvXM8D7JhFL3iXxahsfZdCXAmlpC6umLPiDzD7M4Qrb6ue0nRX+m zNoq2UO15Z/rXZawZB5+MSb9CUYN8eyCQrcwGqeyXTXkZR6PWTIEGfA2Ye53+POgtdB48TsNDXsk+ buCRBuE/g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kaGVY-0003Wa-GA; Wed, 04 Nov 2020 10:59:16 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kaGVH-0003Ol-Sv for linux-arm-kernel@lists.infradead.org; Wed, 04 Nov 2020 10:59:11 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 503241474; Wed, 4 Nov 2020 02:58:55 -0800 (PST) Received: from [10.57.20.87] (unknown [10.57.20.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3EF4A3F718; Wed, 4 Nov 2020 02:58:45 -0800 (PST) Subject: Re: [PATCH v4 0/4] Clarify abstract scale usage for power values in Energy Model, EAS and IPA To: rafael@kernel.org References: <20201103090600.29053-1-lukasz.luba@arm.com> From: Lukasz Luba Message-ID: <9382ea70-cc50-7b78-f5de-716678bdefbf@arm.com> Date: Wed, 4 Nov 2020 10:58:43 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20201103090600.29053-1-lukasz.luba@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201104_055900_049158_F8CC7116 X-CRM114-Status: GOOD ( 17.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dianders@chromium.org, devicetree@vger.kernel.org, nm@ti.com, amitk@kernel.org, rnayak@codeaurora.org, daniel.lezcano@linaro.org, linux-doc@vger.kernel.org, sboyd@kernel.org, viresh.kumar@linaro.org, mka@chromium.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, morten.rasmussen@arm.com, robh+dt@kernel.org, sudeep.holla@arm.com, qperret@google.com, corbet@lwn.net, Dietmar.Eggemann@arm.com, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Rafael, On 11/3/20 9:05 AM, Lukasz Luba wrote: > Hi all, > > The Energy Model supports power values expressed in an abstract scale. > This has an impact on Intelligent Power Allocation (IPA) and should be > documented properly. Kernel sub-systems like EAS, IPA and DTPM > (new comming PowerCap framework) would use the new flag to capture > potential miss-configuration where the devices have registered different > power scales, thus cannot operate together. > > There was a discussion below v2 of this patch series, which might help > you to get context of these changes [2]. > > The agreed approach is to have the DT as a source of power values expressed > always in milli-Watts and the only way to submit with abstract scale values > is via the em_dev_register_perf_domain() API. > > Changes: > v4: > - change bool to int type for 'miliwatts' in struct em_perf_domain > (suggested by Quentin) > - removed one sentence from patch 2/4 in IPA doc power_allocator.rst > (suggested by Quentin) > - added reviewed-by from Quentin to 1/4, 3/4, 4/4 patches There was no major objections in the v3 and this v4 just addressed minor comments. The important discussions mostly happen in v2. Could you take the patches via your tree, please? Regards, Lukasz _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel