From patchwork Wed Oct 19 02:02:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Ying X-Patchwork-Id: 4403 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4ac7:0:0:0:0:0 with SMTP id y7csp82080wrs; Tue, 18 Oct 2022 19:03:43 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4xKQuhr/fhnw8DXNo/QIOyYYXVzJwrgqFz84yYNSdLK+oKDE984qrSuLsiRjUv2IWJ65iG X-Received: by 2002:a17:906:8461:b0:78d:dd76:5695 with SMTP id hx1-20020a170906846100b0078ddd765695mr4642994ejc.583.1666145023118; Tue, 18 Oct 2022 19:03:43 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1666145023; cv=pass; d=google.com; s=arc-20160816; b=HKToMjT89ecFqTiph9+LJTnz0L0+Trf6NiMZzHD21RvT5nKKCf//ua5R3gCIE/kCmm o95nLb/2t34GFKSjXFkYLC0J6oyLkFCTDa6BFMegSf6SIzR5RQni1uZ42OX+PwvWyhKe WXoom5iMG+MYjNezqMwzXD00uO1LzAlsEvUvKsVZ0phNW0XPIl6avMLfs6dQY+5eax0M QcUd1A32+yHry5VY8VPGNMHmKLzPi6WqBqTwYDlkV5Yl7i4h8YDx60iaxyVCkMeVDz2E 7AtllAxeUYe0regYWApDdNlwzOryWcYSpr6VdjZA5WGMUtVbthI65TD1wSUeuH5Ez8Xa h1OA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Ci7xfvTxFr+RaQcMiqvYpphr28+f6HWD9sJq02tQ07Y=; b=0Y4LKD0lxjMQHP7NgsFIYW/tn88GkgB9Z+KszxHaD5FJ0Ev5nvPHCd/IzG6KVASzc1 DiHNlmTA59nN20FxpDksqPpL0no7hFJGOz7FXkgoODjCzFeWGiRi4lhROp2OBA2mcoZ2 Gwu/C57d4X/SuEHM4sikiLVcaZhETWfE3BOeHTiAs1n0RVZ/FG5es//lrPj4XkKyKzJY j856hVugKUUE6aUzqYUg7oHbuHZomIz5Q/GxcUcg2SYVdWqcC7pAtKPYopNOcoNbY3fw l2r5J5Ya81ZS3jqloq16O6oqRPfc9OKxGR1Skwzk7Z6Q2IJ1gi5uj7p7OiSXWzcjMhsp nV0Q== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=BPFOBQjg; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id g12-20020a1709065d0c00b007700c3ad033si14582122ejt.565.2022.10.18.19.03.18; Tue, 18 Oct 2022 19:03:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=BPFOBQjg; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229828AbiJSCCG (ORCPT + 99 others); Tue, 18 Oct 2022 22:02:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbiJSCB5 (ORCPT ); Tue, 18 Oct 2022 22:01:57 -0400 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2068.outbound.protection.outlook.com [40.107.20.68]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A25FE09CA; Tue, 18 Oct 2022 19:01:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TERJfWL2lL8Y4K/Yib1taM1pWBIH+wpi+o57fcW6J7FDmk4vQV7mOY7Vc2oL5d3Scg9fElTfXEkdlZUy3FX3VmLjk8yqFMGqff/1Z9zXe8yCobkCXEl0bSjaDltHpLVs7sW+kniVIk/o3qcPLd7rR/lqy2dVYiX5WTK3w1Zw4QEm6Z1r1zBoETbBUlZhm7+ssLFjIt+s3Lz7D3rn81NTwlPxZJXJ/+rwzrLZbdiQWQDOVBtqmPPjaDX3rka15g5+E6meZrH6n/DcPFnvBfR5dKMj7uw6adSLYUH0Ra4mBvR+5hSo9FZgc/Vjusy00ccRKjmaRV/6XS7INd/iGoR3eQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Ci7xfvTxFr+RaQcMiqvYpphr28+f6HWD9sJq02tQ07Y=; b=WYgKv2hx9I+CRVSir42zC6cqafuhrdqC9T6BB+TPWHCHSFswpyaHRNrOEtls2gmr3Mk996O1er2Xiy/jjZxnI8m9yY6bVGd8/TJtXdniRu8ADDRRCUTxX2zC2sdlIMhjMoRxf/AG9BIH5cv1xQWKhmQ+zbUzofKtIeXrnCH3HX9j67YH3V9goD8m7ZDaoUDjWo8EdK7QNTU+BSsMhAAzAS53AJUB9R5oa4h7pFXYcgd4LBNXfN5QRAVBRrf7rswg0em7/es544b8qwL4v9yH+zALvhC/9l0zdjOsHWF7OnuN7vOZkQ8NXgTfnr4ik/7XgNzIou+D+vQowCb/U3KIEg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ci7xfvTxFr+RaQcMiqvYpphr28+f6HWD9sJq02tQ07Y=; b=BPFOBQjg6+PAtcoadVZcn+aw27HATpSsqGpgQ9LnJFBlnXXEox/8E5bvmPxV2gjf2SuWuIkQeCbiNA+PH9kFg9XB4uRKeOsaZOyMHCs/RSQnIUl2dM6BA7hbEw3DAo4MS4I6Xybj/7w9tHZxxRY0NUqhU12ifT6YRwY28OWdPn4= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by VE1PR04MB7246.eurprd04.prod.outlook.com (2603:10a6:800:1ae::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.26; Wed, 19 Oct 2022 02:01:47 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::181b:75f7:dbc8:b4bc]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::181b:75f7:dbc8:b4bc%6]) with mapi id 15.20.5723.033; Wed, 19 Oct 2022 02:01:47 +0000 From: Liu Ying To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, guido.gunther@puri.sm, marcel.ziswiler@toradex.com, laurentiu.palcu@oss.nxp.com, robh@kernel.org, Daniel Vetter Subject: [PATCH v13 4/6] drm/atomic: Avoid unused-but-set-variable warning on for_each_old_plane_in_state Date: Wed, 19 Oct 2022 10:02:24 +0800 Message-Id: <20221019020226.2340782-5-victor.liu@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221019020226.2340782-1-victor.liu@nxp.com> References: <20221019020226.2340782-1-victor.liu@nxp.com> X-ClientProxiedBy: SG3P274CA0011.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::23) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM7PR04MB7046:EE_|VE1PR04MB7246:EE_ X-MS-Office365-Filtering-Correlation-Id: 55d66238-c97d-441e-86cd-08dab175de5a X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM7PR04MB7046.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(366004)(39860400002)(136003)(376002)(346002)(396003)(451199015)(316002)(83380400001)(8936002)(6512007)(5660300002)(2906002)(2616005)(1076003)(7416002)(66946007)(66556008)(66476007)(8676002)(86362001)(186003)(52116002)(26005)(41300700001)(4326008)(6666004)(36756003)(6506007)(38100700002)(38350700002)(6486002)(478600001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 55d66238-c97d-441e-86cd-08dab175de5a X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Oct 2022 02:01:45.2057 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: QTKRVBTD5tknwoHXFRuW0jGPDXtRdpI5zLphVM8daxmbbWyalBza56BqVsH1PFqI0daGPQoVUeBTCWoVq+q8hA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7246 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747079683766954099?= X-GMAIL-MSGID: =?utf-8?q?1747079683766954099?= Artificially use 'plane' and 'old_plane_state' to avoid 'not used' warning. The precedent has already been set by other macros in the same file. Acked-by: Daniel Vetter Signed-off-by: Liu Ying --- v6->v13: * No change. v5->v6: * Fix commit message typo - s/Artifically/Artificially/ v4->v5: * No change. v3->v4: * Add Daniel's A-b tag. v2->v3: * Add a missing blank line. v1->v2: * No change. include/drm/drm_atomic.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 10b1990bc1f6..bcd6ff9d18e1 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -947,7 +947,10 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p); (__i)++) \ for_each_if ((__state)->planes[__i].ptr && \ ((plane) = (__state)->planes[__i].ptr, \ - (old_plane_state) = (__state)->planes[__i].old_state, 1)) + (void)(plane) /* Only to avoid unused-but-set-variable warning */, \ + (old_plane_state) = (__state)->planes[__i].old_state, \ + (void)(old_plane_state) /* Only to avoid unused-but-set-variable warning */, 1)) + /** * for_each_new_plane_in_state - iterate over all planes in an atomic update * @__state: &struct drm_atomic_state pointer