From mboxrd@z Thu Jan 1 00:00:00 1970 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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 C8B47C433E0 for ; Wed, 1 Jul 2020 02:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3FEA20853 for ; Wed, 1 Jul 2020 02:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pj+hCLZL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726710AbgGACQe (ORCPT ); Tue, 30 Jun 2020 22:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725872AbgGACQd (ORCPT ); Tue, 30 Jun 2020 22:16:33 -0400 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4C3BC061755; Tue, 30 Jun 2020 19:16:32 -0700 (PDT) Received: by mail-lf1-x144.google.com with SMTP id c21so12658939lfb.3; Tue, 30 Jun 2020 19:16:32 -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:mime-version :content-transfer-encoding; bh=k7GavqngVCUaBApgwQyCfuKl9lw5lJf0UO6BJ5H8TMY=; b=pj+hCLZLkSJQ7gnlprPd1fqPSXDB2HalnCJx/+6pNvnUy4hF9fNKXX1jpL88q5RoYh haMHvyHku7okEvKs5IyBpWzyFBJNP7blFKohPZhEQZMnqn7yRRt1aaL2vkHo/CdAPwiQ LwjYXPIaaOpFiRF/3tMEkSmCdsz1oIS8hKihIHC3Yh6d61R/TGxxkvnmkAHiumsLAfgw 1K9NVkBQ1WSvmbWQGZ4IRYzLxZtBcQzElq1iafivdQf4LH1l9AE1EF6Zs+zw+DTVH4j6 U5ETvTX15hbJHQ6uA5wcE2wnqF1zY6JGc8y+Qn5ZICVoul8zrSagYtqtxN1Ivao2bcG4 CMRg== 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:mime-version :content-transfer-encoding; bh=k7GavqngVCUaBApgwQyCfuKl9lw5lJf0UO6BJ5H8TMY=; b=Jq09L80/HHlNSnst8oR+tXnXdgH9K+ut3MSC+QlwIlw73MJVEd4Diyv6nBazkHo6DF +psLfWhU3gUTOr1S6OJTZpfSQjWkPRs9JwiFsdSG8Mf+XuwfpE+eT8HzgGuwuLFhA/L/ 9H4aQucCVdzG+74ylo1cbkthc9OHjZIDSDqJna3lPqSCjshQLip0OOxwKeCOBMKbgzcI 7GGTU7znf3iIGYOEu4tNFoM7g7E8AyEI48PgmWo3NAFVmI6OwZgHZyzYLEl3evEvMVdY fq2dNPlHYJpng3kl/EIRkJTsxvwkmRCB9dqRTIAJTLh1iHTQ6XRzX0Aus7ctLpYuZ9DA 9sjw== X-Gm-Message-State: AOAM533K5/ATB8bITDoHjcq/NilXiRC8AYKpVM+adxYUfJaWtNUOCSaf aqEb9uV4TwSy6EcGStSlQLw= X-Google-Smtp-Source: ABdhPJxRfiPi+5cDss3Dp0ElI46PwRSZ4XmSiwAh6s3AG1kUhgLRi3HZuUeVrle446Zpc8sjCa//gA== X-Received: by 2002:a05:6512:6c4:: with SMTP id u4mr13467097lff.98.1593569791344; Tue, 30 Jun 2020 19:16:31 -0700 (PDT) Received: from localhost.localdomain (79-139-237-54.dynamic.spd-mgts.ru. [79.139.237.54]) by smtp.gmail.com with ESMTPSA id i2sm1296892lji.59.2020.06.30.19.16.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2020 19:16:30 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Sam Ravnborg , Laurent Pinchart , Rob Herring , Frank Rowand Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 0/2] Silence missing-graph error for DRM bridges Date: Wed, 1 Jul 2020 05:16:15 +0300 Message-Id: <20200701021617.12030-1-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! This small series improves DRM bridges code by silencing a noisy error coming from of-graph code for the device-trees that are missing a display bridge graph. graph: no port node found in ... One example where this error happens is an older bridge-less DTB used in conjunction with a newer kernel which has a display controller driver that supports DRM bridges. Changelog: v9: - These two patches are factored out from [1] in order to ease applying of the patches. - The of_graph_presents() is renamed to of_graph_is_present() like it was requested by Rob Herring in the review comment to [1]. - Added Rob's r-b. [1] https://patchwork.ozlabs.org/project/linux-tegra/list/?series=184102 Dmitry Osipenko (2): of_graph: add of_graph_is_present() drm/of: Make drm_of_find_panel_or_bridge() to check graph's presence drivers/gpu/drm/drm_of.c | 9 +++++++ drivers/of/property.c | 52 +++++++++++++++++++++++++++++++++------- include/linux/of_graph.h | 6 +++++ 3 files changed, 58 insertions(+), 9 deletions(-) -- 2.26.0