From patchwork Thu Dec 17 18:06:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 345725 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 2C593C3526A for ; Thu, 17 Dec 2020 18:13:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10F05238EF for ; Thu, 17 Dec 2020 18:13:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731562AbgLQSMv (ORCPT ); Thu, 17 Dec 2020 13:12:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730210AbgLQSIo (ORCPT ); Thu, 17 Dec 2020 13:08:44 -0500 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A75A2C0611BB; Thu, 17 Dec 2020 10:07:37 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id l11so59858859lfg.0; Thu, 17 Dec 2020 10:07:37 -0800 (PST) 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=pyhIAorEBtf9lvlliXp3a/E9KosdNviFUVTLwzCMWu4=; b=KBFsuU+VjlIdBBBqzZxU8fjyUNxV2GYS1K8Z7YQLuOAUMr50erguvS8eg5lipX2IzF wUJXnioL5pZGD/Km96I24RKaP0oAWM4mVWYg5Lwi1t+/D5N5Jk9k/aWAJCSWNgl+6Ag9 Ul+TTXmwIB4/L6tLNavF1vvHuiaDPvO1IYmGAGIQ6IjffbXmmXs+G+t+xYVRe1XCiLUT TTtBHS6GvMaXs7btcbzdBpOt1vRgkH9ELTMrtOzYa5YunqIgyj0rI6fTA1UyrDJBGKzG NsTRPdNroHWqtup4JrKq4hCihZ/I8rG1hzY9GLcahCmccGNQRN37v+O1tg2GPp/B1ZlZ I1Bw== 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=pyhIAorEBtf9lvlliXp3a/E9KosdNviFUVTLwzCMWu4=; b=qazeeqAqkk3nGSFgJo2u9bTYNJgThLRwEEItIadJncK6WT5gLMnUzZ+xUk7pN2lXX5 W5KKgKxeepZ+qL8D3HoWwBfF9v1XgpJTCDSc7C+YX/jc56Rdgah2mHVaYPEpF0Zu0wxg 8RQvPtnlKz+4gyOWz09IeYZo0Z2q+PSR6Bv+RBlDMoyzYe44C/l/A5Af020/vOGh5oTC 6bYvh3yK8nR8W8YALHDSuNTtWTmgiOOlI7NLbnTf4gD+c3HZ6ElksydP3sQyNunLcK2N 0KncuCxSaQV2K0PLByzuf3xAI6jFMMgTxnBcE4+sD/4NNoc1dP4zCpB9iZGV6O+ZWtM2 lO4A== X-Gm-Message-State: AOAM530U0T0ccDI8TMMiQidAJGKjGDJyCmt5/E5815f9ubYwKif5zfuw UWIFCqQHMbkXtj/gzdMkzDU= X-Google-Smtp-Source: ABdhPJyLU/4FC56tDazvyGbryuQ04uANev9KjoowVlnl0s+BVYhQ5t9V+9Mz7a+xus7YmajAeqhwKw== X-Received: by 2002:ac2:54b9:: with SMTP id w25mr1838lfk.8.1608228456153; Thu, 17 Dec 2020 10:07:36 -0800 (PST) Received: from localhost.localdomain (109-252-192-57.dynamic.spd-mgts.ru. [109.252.192.57]) by smtp.gmail.com with ESMTPSA id u5sm655596lff.78.2020.12.17.10.07.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Dec 2020 10:07:35 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Liam Girdwood , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski , "Rafael J. Wysocki" , Kevin Hilman , Peter De Schrijver , Viresh Kumar , Stephen Boyd , Michael Turquette Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v2 14/48] opp: Filter out OPPs based on availability of a required-OPP Date: Thu, 17 Dec 2020 21:06:04 +0300 Message-Id: <20201217180638.22748-15-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201217180638.22748-1-digetx@gmail.com> References: <20201217180638.22748-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org A required OPP may not be available, and thus, all OPPs which are using this required OPP should be unavailable too. Signed-off-by: Dmitry Osipenko --- drivers/opp/core.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index d9feb7639598..3d02fe33630b 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1588,7 +1588,7 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, struct opp_table *opp_table, bool rate_not_available) { struct list_head *head; - int ret; + int i, ret; mutex_lock(&opp_table->lock); head = &opp_table->opp_list; @@ -1615,6 +1615,15 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, __func__, new_opp->rate); } + for (i = 0; i < opp_table->required_opp_count && new_opp->available; i++) { + if (new_opp->required_opps[i]->available) + continue; + + new_opp->available = false; + dev_warn(dev, "%s: OPP not supported by required OPP %pOF (%lu)\n", + __func__, new_opp->required_opps[i]->np, new_opp->rate); + } + return 0; }