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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04991C71153 for ; Mon, 4 Sep 2023 12:09:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241638AbjIDMJl (ORCPT ); Mon, 4 Sep 2023 08:09:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50854 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230348AbjIDMJk (ORCPT ); Mon, 4 Sep 2023 08:09:40 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7E35197 for ; Mon, 4 Sep 2023 05:09:36 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-52a06f5f556so1815005a12.2 for ; Mon, 04 Sep 2023 05:09:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1693829375; x=1694434175; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Fe52d7wymHVSRnUd4doTrEpU+qOQW0Adu/PC0B+zMbY=; b=YNqXSgqLsJy3i7I6q49MptnBqj9GP7FZ3krzpUaMcLNJlfRW83RT9yDMDAG0gIu97A GbPfVh+Q+sgngbCqAzoAVA8ZAzJtbPzb0DwqvoVUlPSonWnczdQ8AU0tw7G9FT7Fsh+3 /bPrdpQ3z3vtOgqik6sLvxR6azAY9uirg1R1zPyEKzpZEYTVPNIiZZFatLBMSOTT6dz6 U/Y2u70VtUzMoPUSP2W9KANO9XIGjc4eqFIeM4B41mub8QVr09RC37UUSsslU3fZZhmp wDXqBTBybcmIkOBig3k1ElXbRgoLl+/tSnEMqR06Wm/1OifnNWDNWLLDrwae1MYDoQ3q p53A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693829375; x=1694434175; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Fe52d7wymHVSRnUd4doTrEpU+qOQW0Adu/PC0B+zMbY=; b=Va9K+TWQONzDRJ1eV0H2PEuRf619C8Ky3aPTeAZ0iAvLgspxPMnUjfOJ+04g794I8E Za7uVbKFRskIJJUlyNIK5VT7vh5BcccfnowMZ5Eg0KJ+XBCzuBwbg35u3OfgCYF6AlEc 0hh7jQRu0L/BpcidUXLE7YdPxW/SML6aCqlRcCGZ6F3fv0/mZmCbjbYnk+WYvQHWFwg2 bMD2Mp/3oidPvYrMukHKHoYD/J1mSdzx6zQUCgl+3qM8ZkRnb31jdRukhxBGXwHsQWE5 rRtaRFySRWy20UCu+d2D2n6NTEPFnJOhOvIOg9uStTTwFM3ksp/XSM/NNMYFg+of7lPl eEag== X-Gm-Message-State: AOJu0YwJ0FtSst2mZgBZTk/m7rosouQ1v+5ujJcFwemLZ0+XseWuo5rE HbAz+LXs6IEe//AuX0nH4m137EmiH1VdyPZQmPc= X-Google-Smtp-Source: AGHT+IG4htU9jlytfOWTOOiTRhiMXfK1Yx8nBb4GGdVYDdsVmhh1c205BCxily+P8XS3+GVSvF6GUg== X-Received: by 2002:a05:6402:1f82:b0:52c:b469:bb01 with SMTP id c2-20020a0564021f8200b0052cb469bb01mr3263539edc.38.1693829374607; Mon, 04 Sep 2023 05:09:34 -0700 (PDT) Received: from [192.168.1.172] ([93.5.22.158]) by smtp.gmail.com with ESMTPSA id g9-20020a056402320900b0052e2472f884sm1443153eda.21.2023.09.04.05.09.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Sep 2023 05:09:34 -0700 (PDT) Message-ID: Date: Mon, 4 Sep 2023 14:09:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] drm/mediatek: Add spinlock for setting vblank event in atomic_begin To: "Jason-JH.Lin" , Chun-Kuang Hu Cc: AngeloGioacchino Del Regno , Eugen Hristev , Jason-ch Chen , Johnson Wang , Singo Chang , Nancy Lin , Shawn Sung , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20230822132646.9811-1-jason-jh.lin@mediatek.com> Content-Language: en-US From: Alexandre Mergnat In-Reply-To: <20230822132646.9811-1-jason-jh.lin@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reviewed-by: Alexandre Mergnat On 22/08/2023 15:26, Jason-JH.Lin wrote: > Add spinlock protection to avoid race condition on vblank event > between mtk_drm_crtc_atomic_begin() and mtk_drm_finish_page_flip(). -- Regards, Alexandre