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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 CA7F3C282C8 for ; Mon, 28 Jan 2019 16:56:29 +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 98E802147A for ; Mon, 28 Jan 2019 16:56:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="YW+h3vAp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 98E802147A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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: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=gsH8yI9dBzOHvQMyQYczPG92Ww0Ml1o3jO1YnYGFTEw=; b=YW+h3vApnRhpf3 vQrsF7Z3v6sP6SaWpS9ofWzFYmXqVAKGr+JPNhhtzk5gapu4EFwxrQTwdJFLt6cj6+UkkgXgiUwaw RTHEIllVJu7rE3LYXUM+JzqCF04dpiHniJEhQiq6aOjnu0/ajGmgANFfapQBHym3q+9ITDNto11xe SL2pzURiz2epyjC44ZuSCn3LghGAxEG/pz/EPkMu+r3clD2Ak1crGkgLQ3zyF+kcYtpKPsk2e5YuA cMAUuXki9SGqJiOTAKvxZYnBR10C8JExkexKjeCsr/g5GOgvGIs2+C7eeBxZwkWM5GVYuTcsCtMwF 17rCbu6SHO7acaT11BfA==; 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 1goACv-0000Gm-W4; Mon, 28 Jan 2019 16:56:26 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1goACB-0007yh-Oi for linux-arm-kernel@lists.infradead.org; Mon, 28 Jan 2019 16:55:42 +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 31AE215BE; Mon, 28 Jan 2019 08:55:39 -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 838803F59C; Mon, 28 Jan 2019 08:55:36 -0800 (PST) From: Quentin Perret To: rjw@rjwysocki.net, viresh.kumar@linaro.org, sudeep.holla@arm.com, liviu.dudau@arm.com, lorenzo.pieralisi@arm.com, robh+dt@kernel.org, mark.rutland@arm.com, nm@ti.com, sboyd@kernel.org Subject: [PATCH 3/7] cpufreq: scpi: Register an Energy Model Date: Mon, 28 Jan 2019 16:55:18 +0000 Message-Id: <20190128165522.31749-4-quentin.perret@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190128165522.31749-1-quentin.perret@arm.com> References: <20190128165522.31749-1-quentin.perret@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190128_085540_226206_4523D685 X-CRM114-Status: GOOD ( 14.24 ) 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: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, quentin.perret@arm.com, mka@chromium.org, dietmar.eggemann@arm.com, 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 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 scpi-cpufreq, hence ensuring interested subsystems (the task scheduler, for example) can make use of that information when available. Signed-off-by: Quentin Perret --- drivers/cpufreq/scpi-cpufreq.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 87a98ec77773..05fc7448f5cb 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -98,11 +99,12 @@ scpi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) static int scpi_cpufreq_init(struct cpufreq_policy *policy) { - int ret; + int ret, nr_opp; unsigned int latency; struct device *cpu_dev; struct scpi_data *priv; struct cpufreq_frequency_table *freq_table; + struct em_data_callback em_cb = EM_DATA_CB(of_dev_pm_opp_get_cpu_power); cpu_dev = get_cpu_device(policy->cpu); if (!cpu_dev) { @@ -135,6 +137,7 @@ static int scpi_cpufreq_init(struct cpufreq_policy *policy) ret = -EPROBE_DEFER; goto out_free_opp; } + nr_opp = ret; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) { @@ -170,6 +173,9 @@ static int scpi_cpufreq_init(struct cpufreq_policy *policy) policy->cpuinfo.transition_latency = latency; policy->fast_switch_possible = false; + + em_register_perf_domain(policy->cpus, nr_opp, &em_cb); + return 0; out_free_cpufreq_table: -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel