From patchwork Sun Jun 23 21:46:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11011973 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 85228924 for ; Mon, 24 Jun 2019 01:57:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7724528AE3 for ; Mon, 24 Jun 2019 01:57:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6AC5628AF7; Mon, 24 Jun 2019 01:57:52 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 188C928AE3 for ; Mon, 24 Jun 2019 01:57:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726509AbfFXB5r (ORCPT ); Sun, 23 Jun 2019 21:57:47 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:34461 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726561AbfFXB5r (ORCPT ); Sun, 23 Jun 2019 21:57:47 -0400 Received: by mail-lj1-f196.google.com with SMTP id p17so10957939ljg.1; Sun, 23 Jun 2019 18:57:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rPiHCgSWlyFbcnT0W5lDiXP3U67kYIPo6pYV48G/ks4=; b=C1DpDdnAs/+ZUXfe2fzAHS/UGr5Kfwk03xsK7piYc3a4y31Wsl0HCxa1IPpTNCe/xL xIR5VtV2bX/3eiziVZQeieEbrrDaT8Bb5k1ZkD+eBL6HEvTYC4tFE/4IVgM75Jmf0leo 53+UZxGdQ0suo0D2va3pXO0JUx7BfcV3N5qZOCpqGnvGT4oHV7rc2yoisj1xpQUsRBEV F0Ui/7GYb569tH24oUl9/bWwawj92caTrnGQoDwlbcHepb/BYWchPrxaI7gxxZPyW81m A5Vml1XF/I/xqVJX7fnYJtjUu/gEb1/fdLxDQ/aooEHHh8DMuiAEFt1gnE9zDDtTKdGm xjPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rPiHCgSWlyFbcnT0W5lDiXP3U67kYIPo6pYV48G/ks4=; b=sfD0v4TweFsINSDYDJNi/t727YAITq11nTuitzKMe+Hl/5On0B6lOSTylpX5X8GAi+ rh/YQri1NXQ2TJZVTn4go8HFwYscBKXzrL8tTDUW7ffGnSx6QdkYn9c0pjxsQZPSq1io kUj4x7Jlw255O72yAQYqeCOCardHu0/ZbVsa1GTCC76VGS1v7miFbOsZYJ0D64h538UT 7gbrwlLJpHxNVXV3NvKEbYYgpiFENQPNT8w7Wgfag2WeWdMeQ3Lf5S6+9brgKk0PjXH9 nO+lqzEtXnLPLAnBBApyuucSvc+FqTpyAEBTwoPBbn/ecYB5ZGDnUGwdZj1CZox8wDzE Bc4w== X-Gm-Message-State: APjAAAU012jgqwB40vDPLLNTYCU0sv/iH+MMrLGmbOw7U+iJg4rWGCa1 NKPvA0zugIEG2n3TzLEOeD+JYegP X-Google-Smtp-Source: APXvYqxsJTx6rkvjW2d4Bcz7J2N9z0vFpkzEtCo9H2lCBuyurngQxI5WazFn9GloUrAxKt8D7HDBGw== X-Received: by 2002:a2e:6e0e:: with SMTP id j14mr12976611ljc.85.1561326520760; Sun, 23 Jun 2019 14:48:40 -0700 (PDT) Received: from localhost.localdomain (ppp91-79-162-197.pppoe.mtu-net.ru. [91.79.162.197]) by smtp.gmail.com with ESMTPSA id m17sm1460029lfb.9.2019.06.23.14.48.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 23 Jun 2019 14:48:40 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jonathan Hunter , Tomeu Vizoso Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 06/11] PM / devfreq: tegra30: Reset boosting on startup Date: Mon, 24 Jun 2019 00:46:53 +0300 Message-Id: <20190623214658.11680-7-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190623214658.11680-1-digetx@gmail.com> References: <20190623214658.11680-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Governor could be stopped while boosting is active. We have assumption that everything is reset on governor's restart, including the boosting value, which was missed. Signed-off-by: Dmitry Osipenko --- drivers/devfreq/tegra30-devfreq.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index 813b0f490b90..fc278f2f1b62 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -544,6 +544,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra, { u32 val = 0, target_freq; + /* we don't want boosting on restart */ + dev->boost_freq = 0; + target_freq = clk_get_rate(tegra->emc_clock) / KHZ; dev->avg_count = target_freq * ACTMON_SAMPLING_PERIOD; device_writel(dev, dev->avg_count, ACTMON_DEV_INIT_AVG);