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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BD7AC433F5 for ; Wed, 20 Oct 2021 12:41:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4E2506103D for ; Wed, 20 Oct 2021 12:41:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4E2506103D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rq+5SdrENnlc/UP+aqdZl32BrJmPLmSRZWJUkvvQagw=; b=jRU3GJA/EdNWfd XGVidKrZQ0K4RPkHd4Jcd1hqR4hfEd2eEOLsD4zPJV5fqQrG4RLOD/6j4EZZf13gNFyJf0CMCDvKm hQTHo0ZnWtK6ognOl1fqDVZHvSpoFX3tIojLyDeqmKaFO873HRyn2e2oI6nxgru+UKBNdEVhxSxyU 2qLDYTR7WkGBGsv753EQKusXoavxHkTYIj/uMuu7MteYOoV0tSaxYaA+H1DNaP5yilCK17/972zsE N9yXEGow/4qINkU37ARa3OcxbrDlBw1H/PYQE8hicZDhEVjE3WjEhtDoFape7cg6OvkjYSVa3wkwS 6hUzBvkBY/WmQXLPjU2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdAtC-004UzC-98; Wed, 20 Oct 2021 12:40:14 +0000 Received: from mail-wm1-x332.google.com ([2a00:1450:4864:20::332]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mdAss-004Unx-0Z for linux-arm-kernel@lists.infradead.org; Wed, 20 Oct 2021 12:39:56 +0000 Received: by mail-wm1-x332.google.com with SMTP id b189-20020a1c1bc6000000b0030da052dd4fso9911242wmb.3 for ; Wed, 20 Oct 2021 05:39:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PrIMbe0cgeUgVskjVfxjc1cVVmfypfzeebevv5kx8mA=; b=Pr+dAUu/mCPN3ilMBfuPs7ptSAUMXt4BI+qeV09Iz2k7tIuYTum21jbIoYwZ6u8Inh 4F55yX2JqRgcxu5ICOWiLuVt0mIHSOj6NCBB7Vz14sR2vOUhWRxiN9K2RNbIxG3PXl53 qLWNetxF3ND0aAgWBfbS7lXorjHyXLAuKCYhfycmjEDhsgbXA3add3r3ZC777/JZo+EO 7zLvCizmox2FVdnJXKvjnN24f+3Lehb6Nc2bqbs0qmZ2E0q+yhl7Bw1fDW0mmtb7AzhT J60ReiHtGiNG19/06agfLC+UaACu4sGFSmlaqfzD89Zpb4VykuCDnTPzNPhZ9618edIR ePCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PrIMbe0cgeUgVskjVfxjc1cVVmfypfzeebevv5kx8mA=; b=SxUpFEGe0dJuTg7O5HPATL7ZikNmhApJw7L/yE27PEPGyfCK+NNoF97rX2Ywiz/Zhw nVokhNNBI7/tHOqYjvPv4GZQqDjzBdFpE2/PBFt8q4+HhuBrUgR/inJgadyl6ooqAPZ6 pr3VFYxf7KqI8S8M+h9oASRR32zsIgd2VLYgLAcBPT7LWs3uSos/bymRsnYIua/Hf4/G xGyu9k5tDR/MWv/ocb1eRZhRhetQh7O4wsEQhohSJGeQFf2vDnFm6SrN8BE8upL6Mz4Z YWIYrbwePuY4gkPmBbGUTwZBJe46vOcaBZdvF6jmTPUYAMh62ZwucXWssPOIf9/3FT+U F+ag== X-Gm-Message-State: AOAM530fiqUat7ZbeyXfLLl6xNSqSH1zp5dzKT7MWGhhikAjJ3iswZDs 7SCbdkRbgVUH294TaS9cqnMURQ== X-Google-Smtp-Source: ABdhPJw0ShkRNi7rCxTUF0MorfZe7tSZ4dB3eodpanL/TUpOCwYs0O8C7f3sSF9eQweH3me9fwjScA== X-Received: by 2002:a05:600c:3584:: with SMTP id p4mr13080991wmq.168.1634733592440; Wed, 20 Oct 2021 05:39:52 -0700 (PDT) Received: from localhost.localdomain ([2001:861:44c0:66c0:d31f:1512:8915:e439]) by smtp.gmail.com with ESMTPSA id b19sm5342680wmj.9.2021.10.20.05.39.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Oct 2021 05:39:51 -0700 (PDT) From: Neil Armstrong To: daniel@ffwll.ch, Laurent.pinchart@ideasonboard.com, sam@ravnborg.org Cc: martin.blumenstingl@googlemail.com, dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH v3 2/6] drm/meson: remove useless recursive components matching Date: Wed, 20 Oct 2021 14:39:43 +0200 Message-Id: <20211020123947.2585572-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211020123947.2585572-1-narmstrong@baylibre.com> References: <20211020123947.2585572-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3222; h=from:subject; bh=CN3FLP6iVU76e0yAYMgWdH+jRNt14KgdTlQZc0OHMOE=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBhcA34OiTZV2ZFtMy96i9yZnB9GrMijV1zFNrHEcyb umLfJSqJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCYXAN+AAKCRB33NvayMhJ0ZzyD/ 4lhR8faDJpilegWriDDzuq5KGRjumsjn/WlbNZjCPoOqaj+pn5KXfsZzw9R7Eeup7ZqYyCAQOcIvcs oQmvtld62wlHcTSHBs8/6Z3xpYnDKqOsIO/94wSJss0kEwrNAr6JHKn/wtboC7Qsnj+46QaOdCQF4v mOK6oirD8VIkza0RIJhQeu/QvEE6Rl5e6pEhGBO4eCO8eJy3sgyxaDT6Q3qzCc88F9LBZ67X+KkWdV S9MRl29/bLsI/x6KXJqWirHBBS2gCn5HhicMfbUnQ2NAYE4BWL2QKpXAj0N1FQnd5XCE1vR3Znm4no tdYmAuvLL6TsdSCI7SB5FKe0fCRjczKHFwUcD4zUZ2UlsnUhGoemIYk2nCZ6UjUbpPPwkg8eN0DjJA wu3fAkTt8pVC9fXPDxRh0v+MwLMQUoz3KmruRkZrnm6b7hUDGtj11YQTnk2iHwijm3+HYl8T3tBumY 7gT6EUrp67O+/H/0sq5qZMc4q3xAX+1yqyQfdvnyaI2qUfvRhwDdiXLthxrZE80YL3vG3W9UN3yk+V I7Gwl8sJpzKTevNhBIYUvvQh8a1BMyiAFUKT20Zu1YRAAK4YJA4yo/RYmnazb7L2J9wwPFNRaMQD2e yJf218RosAh/v0ryiddosAwhMw0/Pp5jshuGAwJG5SKTO2uOXh6eNmshvxRg== X-Developer-Key: i=narmstrong@baylibre.com; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211020_053954_064376_1265B74A X-CRM114-Status: GOOD ( 16.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The initial design was recursive to cover all port/endpoints, but only the first layer of endpoints should be covered by the components list. This also breaks the MIPI-DSI init/bridge attach sequence, thus only parse the first endpoints instead of recursing. Signed-off-by: Neil Armstrong Acked-by: Sam Ravnborg Acked-by: Martin Blumenstingl --- drivers/gpu/drm/meson/meson_drv.c | 62 +++++++++++-------------------- 1 file changed, 21 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 7f41a33592c8..97ebc07357bb 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -426,46 +426,6 @@ static int compare_of(struct device *dev, void *data) return dev->of_node == data; } -/* Possible connectors nodes to ignore */ -static const struct of_device_id connectors_match[] = { - { .compatible = "composite-video-connector" }, - { .compatible = "svideo-connector" }, - { .compatible = "hdmi-connector" }, - { .compatible = "dvi-connector" }, - {} -}; - -static int meson_probe_remote(struct platform_device *pdev, - struct component_match **match, - struct device_node *parent, - struct device_node *remote) -{ - struct device_node *ep, *remote_node; - int count = 1; - - /* If node is a connector, return and do not add to match table */ - if (of_match_node(connectors_match, remote)) - return 1; - - component_match_add(&pdev->dev, match, compare_of, remote); - - for_each_endpoint_of_node(remote, ep) { - remote_node = of_graph_get_remote_port_parent(ep); - if (!remote_node || - remote_node == parent || /* Ignore parent endpoint */ - !of_device_is_available(remote_node)) { - of_node_put(remote_node); - continue; - } - - count += meson_probe_remote(pdev, match, remote, remote_node); - - of_node_put(remote_node); - } - - return count; -} - static void meson_drv_shutdown(struct platform_device *pdev) { struct meson_drm *priv = dev_get_drvdata(&pdev->dev); @@ -477,6 +437,13 @@ static void meson_drv_shutdown(struct platform_device *pdev) drm_atomic_helper_shutdown(priv->drm); } +/* Possible connectors nodes to ignore */ +static const struct of_device_id connectors_match[] = { + { .compatible = "composite-video-connector" }, + { .compatible = "svideo-connector" }, + {} +}; + static int meson_drv_probe(struct platform_device *pdev) { struct component_match *match = NULL; @@ -491,8 +458,21 @@ static int meson_drv_probe(struct platform_device *pdev) continue; } - count += meson_probe_remote(pdev, &match, np, remote); + /* If an analog connector is detected, count it as an output */ + if (of_match_node(connectors_match, remote)) { + ++count; + of_node_put(remote); + continue; + } + + dev_dbg(&pdev->dev, "parent %pOF remote match add %pOF parent %s\n", + np, remote, dev_name(&pdev->dev)); + + component_match_add(&pdev->dev, &match, compare_of, remote); + of_node_put(remote); + + ++count; } if (count && !match) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel