From patchwork Mon May 4 20:22:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 189294 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 58C7BC47247 for ; Mon, 4 May 2020 20:25:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AF132073B for ; Mon, 4 May 2020 20:25:14 +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="TABG2A44" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728112AbgEDUYu (ORCPT ); Mon, 4 May 2020 16:24:50 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:35290 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728103AbgEDUYt (ORCPT ); Mon, 4 May 2020 16:24:49 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588623889; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=MrDi8noaTB1I3x+4qIYePHEVKUCye+KrBWK+o+3mFgY=; b=TABG2A44NRDTRUgWZBIIekYOLzObcmgTNIimLmzsYsOki9518qqI3DKMUbjuaU3ARfAi/Rr9 O7if3r04Y2U8WtqWHHuhaN5H5n/+MHC6ZxnuG/+BX1b6WvLGRikP30+PS/w71cBU8sxQLftP 70KO7vchyfa88WixwL6eXSpalCE= X-Mailgun-Sending-Ip: 104.130.122.26 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 5eb07a10.7fef5ee2e3e8-smtp-out-n04; Mon, 04 May 2020 20:24:48 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1905BC44788; Mon, 4 May 2020 20:24:46 +0000 (UTC) Received: from blr-ubuntu-87.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id B6AABC44788; Mon, 4 May 2020 20:24:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B6AABC44788 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: viresh.kumar@linaro.org, sboyd@kernel.org, georgi.djakov@linaro.org, bjorn.andersson@linaro.org, saravanak@google.com, mka@chromium.org Cc: nm@ti.com, 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, vincent.guittot@linaro.org, amit.kucheria@linaro.org, ulf.hansson@linaro.org, lukasz.luba@arm.com, sudeep.holla@arm.com, Sibi Sankar Subject: [PATCH v4 08/12] cpufreq: qcom: Disable fast switch when scaling ddr/l3 Date: Tue, 5 May 2020 01:52:39 +0530 Message-Id: <20200504202243.5476-9-sibis@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200504202243.5476-1-sibis@codeaurora.org> References: <20200504202243.5476-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Disable fast switch when the icc paths required for scaling ddr/l3 are populated. Signed-off-by: Sibi Sankar --- drivers/cpufreq/qcom-cpufreq-hw.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 4fb489b69bc61..4b2c23dab3728 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -316,7 +316,9 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) dev_pm_opp_of_register_em(policy->cpus); - policy->fast_switch_possible = true; + ret = dev_pm_opp_get_path_count(cpu_dev); + if (ret <= 0) + policy->fast_switch_possible = true; return 0; error: