From patchwork Sun Aug 11 21:23:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1145422 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="gjsyse6w"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 466BpY6wWvz9sNk for ; Mon, 12 Aug 2019 07:25:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726881AbfHKVZQ (ORCPT ); Sun, 11 Aug 2019 17:25:16 -0400 Received: from mail-lf1-f67.google.com ([209.85.167.67]:39606 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726694AbfHKVYs (ORCPT ); Sun, 11 Aug 2019 17:24:48 -0400 Received: by mail-lf1-f67.google.com with SMTP id x3so19207715lfn.6; Sun, 11 Aug 2019 14:24:46 -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=1DipR4hwlo+C3xieASjVQKlAxunkARzuIH2w7oPgSg0=; b=gjsyse6wDQwZA4x+EK9knjC9/CpkfAp9T5JAVNm63P+Hs51Z7jUl8hCAxM4g+5zPHi Ay7+ZsRhwLUtIxWTBhWEgGT7f7wXMUd3scx0J7hCBjy5Lj3hVrlXKqBYrMv6JJlljzwm wfhoJQPX3Y73TLHed1K6qqV8OmWnUU0ov+UyMOYurtDPHVbmi4xXLU2kWQvfErkL+MdO bBD21VRaWwooDP0lW68btSVyLtrFl5btrZZe5RC3Kbg/OsKpO8me6FdewHQBhAxjv6GQ MjDGnHLFgmBPAwxUq0LxLmcEJooV0V5wAP9UDL9VFlg3hsiDwTogaCery5s/XUkR5Zkz J/kg== 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=1DipR4hwlo+C3xieASjVQKlAxunkARzuIH2w7oPgSg0=; b=RNat1D9Zmxuz88PAsAvP5mFsghAFZMk0V3kdiIn/XSBjAPMayhyA+CVPYL4xnGoKn3 4VrMPLyZCR8tjqMklK+oBU0P3Sq0Nxj0jFwvZ28f3sWtscRy/MgUifNrLgxGbuYNuxir z6sx8hlTzMkWv20OPoSXhD+T9K662pHacTZvfhC8sofi4ZKj3GbEszW+lpFeP2EiaTon pttNqtP6C0Pf52aJm/pP0bBJr7GMpJ/l5TSBvbzutdZ/9XDoxsIII4p9eyFpVj9ZOQ27 pLj4nVJP79RcH0+dJBPbnHE+B5InvTdpG3jn18UXwzGbY1nDTafqoJ2qIQdGO49n359H JA/Q== X-Gm-Message-State: APjAAAWT99B2EH5573ilD2OKPLjb1imP/k+YdzMQw9VNBA+L5xA6QgRx R6150hTk3XIFeu1CV7xE1rw= X-Google-Smtp-Source: APXvYqyzYo4TOGkWXwCOZT/8T07hDkQuGj2IQhFTkTVwQKv7xIItsXzSOD+douKo2pEtw/JwgX5pbg== X-Received: by 2002:a19:4f42:: with SMTP id a2mr17836593lfk.23.1565558686247; Sun, 11 Aug 2019 14:24:46 -0700 (PDT) Received: from localhost.localdomain ([94.29.34.218]) by smtp.gmail.com with ESMTPSA id f1sm20470806ljk.86.2019.08.11.14.24.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 11 Aug 2019 14:24:45 -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 v6 13/19] PM / devfreq: tegra30: Reset boosting on startup Date: Mon, 12 Aug 2019 00:23:09 +0300 Message-Id: <20190811212315.12689-14-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190811212315.12689-1-digetx@gmail.com> References: <20190811212315.12689-1-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. Reviewed-by: Chanwoo Choi 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 bad9836b1eea..5002dca4c403 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -686,6 +686,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra, { u32 val = 0; + /* reset boosting on governor's restart */ + dev->boost_freq = 0; + dev->avg_freq = clk_get_rate(tegra->emc_clock) / KHZ; device_writel(dev, dev->avg_freq * ACTMON_SAMPLING_PERIOD, ACTMON_DEV_INIT_AVG);