From patchwork Wed Jun 26 01:32:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1122460 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ZttdUf7h"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45YQbc39BNz9s9h for ; Wed, 26 Jun 2019 11:36:12 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726652AbfFZBgH (ORCPT ); Tue, 25 Jun 2019 21:36:07 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:44666 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726572AbfFZBfH (ORCPT ); Tue, 25 Jun 2019 21:35:07 -0400 Received: by mail-lj1-f196.google.com with SMTP id k18so395867ljc.11; Tue, 25 Jun 2019 18:35:06 -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=ES/vfze9v/7K/EDiZc6SJwTqcOwXLf9AWF6aBFoXttY=; b=ZttdUf7hWHbaB81wbjh+EvDj/Mpwg1YtoXbxtL0qk9UojPdodpPrruN5gkyJB+DeWc g6ONXUa27Hshc2cY42Ft0OZEJWsUI1doM2LjCLnmU9tVFulkDlgkeLqyTHuHjkwPdP0e gUz7NsOnV+qedlsefC2KhwEy5NcpzYHHp6/U+Zcy7FNzoUg/cmiTx0GwbThuOnSv1t6O HxMUTBLiXTXWnyLHAgc6h0nsB/ntEG7MZBUNjUi9CLrCjci+2568TsmkJHSrbgXTpqoh AvWgicDdRes/OCplKeNm15WIASM+o6Zk5QXPldsA+2sAhxdHUVjiHi3H3UJjYGRlYppi lHAQ== 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=ES/vfze9v/7K/EDiZc6SJwTqcOwXLf9AWF6aBFoXttY=; b=IJHeXVbvwHtp3C/IHXSyRgkAr7gg5Jb1ovBeCD+/FUjmJMxPfD/ci+Eaoef4CcMOtO ReLVIH6F9+o4UrCzmzxZL8CugjuZ+r+hjusSJFarEtqw7oRbYN1zvjnIByNzUA8Bq92Q +g0Q2YtEl+eFGokQ50eaklymqR0qNU3rOl1NncffIy243GjDyZgK0WekqPUvlhpv2PC6 TQ1dw+vjh7WwHBO4zSrkIt55uS4I95fejw6DDZNciOjmE0owiSaJEsyAiOsXXVQ82pY/ 6ySJwEE20B7gzNq/PRVTLVXi1+cD8kaNi2YESO2vcrYytTjptZ77Jgy4/9rwg1oPVhsR y2xw== X-Gm-Message-State: APjAAAU7O19ifMm7Aqj3P7kRLd+UKDD7TCpUiuxSjSQMx121QUlif/Kp mOjnH9fmGbH1KwoDeMnkBsA= X-Google-Smtp-Source: APXvYqwaZuxZv1us6taG9s9eaWKkPnGOJ76CBFEm46O4t7cCsWvFg84pMcQHQoAQfxQ+PF5jjvFsmw== X-Received: by 2002:a2e:9ad1:: with SMTP id p17mr938152ljj.34.1561512905920; Tue, 25 Jun 2019 18:35:05 -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 199sm2549581ljf.44.2019.06.25.18.35.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jun 2019 18:35:05 -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 v2 09/17] PM / devfreq: tegra30: Reset boosting on startup Date: Wed, 26 Jun 2019 04:32:43 +0300 Message-Id: <20190626013252.30470-10-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190626013252.30470-1-digetx@gmail.com> References: <20190626013252.30470-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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 8e1c56790ac3..b36d5d644c6e 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -534,6 +534,9 @@ 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);