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 72094C433F5 for ; Thu, 14 Oct 2021 15:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 552C361053 for ; Thu, 14 Oct 2021 15:26:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233240AbhJNP2X (ORCPT ); Thu, 14 Oct 2021 11:28:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233101AbhJNP2U (ORCPT ); Thu, 14 Oct 2021 11:28:20 -0400 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB301C061753 for ; Thu, 14 Oct 2021 08:26:15 -0700 (PDT) Received: by mail-wr1-x42d.google.com with SMTP id i12so20682223wrb.7 for ; Thu, 14 Oct 2021 08:26:15 -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=TQyJyeyxugDyeCUhn5i4YMOhGyD1g0TIMIamYKTURg8=; b=aUp3lJkhPh7AP+vd/IxIyLZ9pww2/86fdh30VMRPWAjOPgcYeMdPzrsxZP6sBE00E8 pGgzyLGLmp7zVQ9cUv4mpduzaEXvlUsIaRQ5JV5NYw5sBZgTNhtsBPU8cWCoubF4OfIc We6escDBTXR7ecjOqAG4gkw4+7NGQRUo4+QsAzHDndGtbN1dr1o8V2Z1KEESagi+16Rl 5fOOUoFuqRymwJctDz1xKKLZDd4T60MPavnGIjCNluwnnSLQII3vOnjSlAbJt3b7KJll vQmOM1DfYTWxh5JoOgbb+9xIQpmPQaoVZxhIPK6kR3U8HplWUWWagcbLKHRnB6FdBF16 6gJA== 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=TQyJyeyxugDyeCUhn5i4YMOhGyD1g0TIMIamYKTURg8=; b=XMo2gzM+qB4/JRS2WU2YLl3HvVXgf6ijAYXAAUe4tV0G+sC43ZmdRZd5IdkQhXeZE2 ISfUsXYVV1o3kIEOoPo5/g/C2BGsB3PAGWTPs8Fxc6fp94rGi3cb2aJA5sB55Z1tjaR+ BkbjbBkkeE/8NK76+IzvZoF2vCoU8O0+5XIk0xqIlKSbAcFT0aQgC/411QXLRDK4D+6v jkO2BE7kZcxLLfa/ZiY4kmLqjAep8vJBXioxbr2mi71ONaeXMm/L6uBVe3NXxTjzS/lP VAlfZ0aVWnEEnFO7t0kcXeWH0Er05vdP6acrHCw9E2QlZJ9Pzg211lXOwpzBRKVcxnL3 +Ghw== X-Gm-Message-State: AOAM531+hMRyGX5VqBWEvT/tM2rIsYqFyC2xijfVDG8fBBZ6Dz5/qu/N wxNZuOv+NE6jj//cWkPlCHlZFkTNioGLpQ== X-Google-Smtp-Source: ABdhPJxnLyE8e0XkabFsMCNQvlY0H++PdbAFZrHOuqQqMKmsmbK8aX172SuBdkcJX2Cj9DFX3GNU8g== X-Received: by 2002:adf:bb93:: with SMTP id q19mr7638741wrg.423.1634225174291; Thu, 14 Oct 2021 08:26:14 -0700 (PDT) Received: from localhost.localdomain ([2001:861:44c0:66c0:209b:8400:2b80:b4ae]) by smtp.gmail.com with ESMTPSA id k22sm2626790wrd.59.2021.10.14.08.26.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 08:26:13 -0700 (PDT) From: Neil Armstrong To: daniel@ffwll.ch, Laurent.pinchart@ideasonboard.com 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 2/7] drm/meson: remove useless recursive components matching Date: Thu, 14 Oct 2021 17:26:01 +0200 Message-Id: <20211014152606.2289528-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211014152606.2289528-1-narmstrong@baylibre.com> References: <20211014152606.2289528-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3111; h=from:subject; bh=hBDX9bpPEmClmGilczb0BvjIpqS0+aaehaCml/3nEUs=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBhaEt/6ArrByBlXtYa4Vcu1Celjod/sPgyacJsGSYf F+mjdc+JAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCYWhLfwAKCRB33NvayMhJ0UhTD/ sH5NZJVQx2YWy6sRmd61nqnsAGOSLvKNLmGt8xiRmm0Zb6ckWoeM30vuE14uVqqzR5ikE4cAk/T3jF 7/r1O/KwZkOPSCzUIFpNFuzUPkO2d0DjdyTSbkZFUEmBLmAwGFio3y6BQu8Pa4pURJP0FgXWNVYVye aT5CTX2lGsSJseYDx5JYNt6U71cmF9f78gV4+1PrRmu8s1rto3ltR/8K7WvWcURGAm8ordgWepmS5E 7dj0ZYEWUvKWJLZFePsoHZwXUGBcrSLd4N6AP285F8+1dD7pULchywDPVlue6vJwlfVy+QUJUvwu3j iXKQNRu2FzqliPbcwmbtkymy6kUvBdRKp3WPoRpPZgAdlEzZMklGMm0UiUFICCyKNt8Cwd9a9mYNGu fuOllgCaOoC/cdInuHDEQP3wZdS+m1dlbdFzVPhcYOqSDgtbVGa17Y9DBms8ypC0KWUmIh3TopYHun o3mNZ3G5AOzbil+PIl+oFEef6n9t/9w55rU9m1638cRpZOJknrxAdP8NWUDkV3//J6Ynq4UzVEcWbl H+4OkvqyX+UchzQ+NrfCQssWeD3aF6Vn+17AML3/MN48tFNupMUCvq106yYJeucpiIlDpfx805qymA hXLGWVK/F9bG9qFrA6ImJQW6Otdxc+H9TRc2JpYtS+iSrdbcW7dw6ohCHb/Q== X-Developer-Key: i=narmstrong@baylibre.com; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 --- 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 bc0d60df04ae..b53606d8825f 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -427,46 +427,6 @@ 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); @@ -478,6 +438,13 @@ 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; @@ -492,8 +459,21 @@ 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; + } + + DRM_DEBUG_DRIVER("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