From patchwork Mon Feb 4 11:09:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Perret X-Patchwork-Id: 10795441 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 31CA01669 for ; Mon, 4 Feb 2019 11:21:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1F6932AA86 for ; Mon, 4 Feb 2019 11:21:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 13B192B099; Mon, 4 Feb 2019 11:21:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EB80A2B01D for ; Mon, 4 Feb 2019 11:21:48 +0000 (UTC) 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5udqQ9ovsZ7LF5H6n7uPHziqY4GcdL0p/ecT+q9D6vc=; b=Q8LuYZGkYbd1br E8zsQHUhurTSK8ZN+oGUtkctzbA3rFywUr1GDfxpc5ckyil+3HVC+JfIbqtBxz2cLoMft+Ix8JVJx u3PvoLBE2zIHyLRNy5iPJ540zKUtcFzmsljD+wxO9YHN9wM/Ci8zgnM3TQSoq74nN+d+GiHZkY9Dk BzlKapdsMzSuwl+kPfQG1s0awbdwP3Xxihi/1xJDnbHLi+e7frnguJ1DUdPjE/MP/nfmFGL1HfArQ J0zCwh6hJM6D2TFf1MoXaoBw/vgIBVvvf/wjOSuiQP3sKl5m1h1Djj+rTZ6LrYcxOv8ttxeYDH9Cl fjLqJC8mHyn/X/RzahfQ==; 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 1gqcJu-0000Uu-84; Mon, 04 Feb 2019 11:21:46 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gqc8g-0000LY-DS for linux-arm-kernel@lists.infradead.org; Mon, 04 Feb 2019 11:10:18 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D0E40A78; Mon, 4 Feb 2019 03:10:07 -0800 (PST) Received: from queper01-lin.cambridge.arm.com (queper01-lin.cambridge.arm.com [10.1.195.48]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E05683F675; Mon, 4 Feb 2019 03:10:05 -0800 (PST) From: Quentin Perret To: viresh.kumar@linaro.org, sudeep.holla@arm.com, rjw@rjwysocki.net, nm@ti.com, sboyd@kernel.org, mka@chromium.org Subject: [PATCH v4 4/5] cpufreq: arm_big_little: Register an Energy Model Date: Mon, 4 Feb 2019 11:09:51 +0000 Message-Id: <20190204110952.16025-5-quentin.perret@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190204110952.16025-1-quentin.perret@arm.com> References: <20190204110952.16025-1-quentin.perret@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190204_031010_743806_81E64E2C X-CRM114-Status: GOOD ( 10.48 ) 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: quentin.perret@arm.com, dietmar.eggemann@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dietmar Eggemann Now that PM_OPP provides a helper function to estimate the power consumed by CPUs, make sure to try and register an Energy Model (EM) from the arm_big_little CPUFreq driver, hence ensuring interested subsystems (the task scheduler, for example) can make use of that information when available. Signed-off-by: Dietmar Eggemann Signed-off-by: Quentin Perret --- drivers/cpufreq/arm_big_little.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index cf62a1f64dd7..7fe52fcddcf1 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -487,6 +487,8 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = arm_bL_ops->get_transition_latency(cpu_dev); + dev_pm_opp_of_register_em(policy->cpus); + if (is_bL_switching_enabled()) per_cpu(cpu_last_req_freq, policy->cpu) = clk_get_cpu_rate(policy->cpu);