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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0FE97CA5FF0 for ; Sun, 4 Oct 2026 17:19:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1BD9710EB02; Sun, 4 Oct 2026 17:19:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="SbxA9AFa"; dkim-atps=neutral Received: from mail-pz2-f12.google.com (mail-pz2-f12.google.com [74.125.228.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 615FD10E38E for ; Fri, 2 Oct 2026 13:07:45 +0000 (UTC) Received: by mail-pz2-f12.google.com with SMTP id d2e1a72fcca58-85469d249c6so4513561b3a.1 for ; Fri, 02 Oct 2026 06:07:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790946465; x=1791551265; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=rxlktV5QmP9O8gmeTAM7mahiIUPXqUp0GbzhOcDZy1M=; b=SbxA9AFa2HsKSBCi5Xn5OPKrAXO3B6V5/xeVkkb4rlheP6t85mbbvcaLhlYwtpP7WS t1ourdkCa4DF8OuUm12CxQbVgjkFdG8XMjAFZsocT3qMRRwnuw5vcLlulkkiZkYWE6rj I5dWJHuBcIioj1Rd4Mu5cMoYJo5hYGD0dJHNadkAqIY4sVAXOIFKnG3Ovc1cKquirH26 7WVaZYmXOAUZTMZx+m0AgJZvb4tmSK9AI0rFbSP1ituzLlfn5T54zCfB6M1bSjl/z5Jl +1zvFHnak92XJvLrQbo8XaNdTU6t2BKnmZ/XZCynUASGDpg3MnTZmIRsMk79pT3U7sQ8 AHXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790946465; x=1791551265; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=rxlktV5QmP9O8gmeTAM7mahiIUPXqUp0GbzhOcDZy1M=; b=UwoAsgXpHiO9IdslGU+bQaAeNICpTaCQ9r/8tZCYWBncEov4sjVoiNoybCZVCCh0wk 9QhmZ1tgGI3DS21ntmdiboflQtgonX4KIzYCDGvK4MVJ6JUpyzgTApzbIxj7YNeZwYkW khUeUzGEnIpwjobv0s7U/IBOVDOoOcNyaeG/ugFGmCUGsIZC231GcMQhNqKo/4C50ET0 msPsWkh2mo8Akn5TynYcx9u9CC91WuAkSX8OOf6HlY+3nldQPxJE6tn6VNdW5g3qPGZF +XUreEC0I8O6vuyxA9vjRSHpwCVHvSLU6/2rk+059QopXqPeozxqQGzwiOw/7S716mox 45PA== X-Forwarded-Encrypted: i=1; AKwUvByYcdabc5L5iERVw2yd7uXJTHddBZAdoaH2zRuoHDhOOc38nwRiKIIqHKCf8wuSBx7nBvmxqaDJ0i4=@lists.freedesktop.org X-Gm-Message-State: AFuF++mBxpc0WbV02JIsFNIVRHwtQR7MZI4G49CB4tCw7gvag/beuckb knMMhqsVhAqE4lcRNCGMn6SMerEAgxGWEpumsHlMC1cwQGY3cXwQ3LFg X-Gm-Gg: AYBFou3aLEteHYsTC8iaSm63UsftQDC5L38J0lPVQpsy0gf4Hqo9BP+nZwqgyhfX4IJ fec8iH4U2HprWQjff1BdLGuxscLY2Tvov91kPSeTSWCwMuYSDIKoUtkbvZPBSDPZll2IhWQoXQH HvRDPoB54Un56idhG8/aDHistj3QVwV09zHqUL52gwkEifEJ7kBbm4n2fwMdR2r+VnrL8zqmZr2 VIdtvsExiMdpSa29dP1QdXRwCzav8d/NROeTlhEE0mLor+ZUDBQ4gy9skaFAZuLhKpBMB/R5/fX kzGY+u18djqA4ubuetEoXq+XsMsYJEP+5paQGoG8bH0He/3JExGAzNFy6fqbNnEjYccWSTDqA8b jxfuk91JsSDGWg19PpViOWsGtPw2C7Lse16xZZw5SrLr0FSrO5rCN66+YVOAiUEgi5O0//cYHHK 5im9tSFdB6FOq7xXQPXi5bbxXFG8c0BF70s/7L/ONxPQkzWdAJidphL50pon/Mr0YUvvHGS0lmY 08VOPKkeDEBpjc= X-Received: by 2002:a05:6a00:9285:b0:874:706d:856a with SMTP id d2e1a72fcca58-88af7aade2bmr2356719b3a.27.1790946464816; Fri, 02 Oct 2026 06:07:44 -0700 (PDT) Received: from DESKTOP-NM9EKIA ([125.134.240.130]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-88b0c3a4862sm853157b3a.32.2026.10.02.06.07.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Oct 2026 06:07:44 -0700 (PDT) From: Joonhoe Kim <26rote@gmail.com> To: sashiko-reviews@lists.linux.dev Cc: Joonhoe Kim <26rote@gmail.com>, dri-devel@lists.freedesktop.org, robin.clark@oss.qualcomm.com, lumag@kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, sashiko-bot@kernel.org Subject: Re: [PATCH] drm/msm/dpu: stop all video interfaces before cleaning up a split encoder Date: Fri, 2 Oct 2026 22:07:41 +0900 Message-ID: <20261002130741.50757-1-26rote@gmail.com> X-Mailer: git-send-email 2.55.0.windows.5 In-Reply-To: <20260929131840.DF20C1F0089E@smtp.kernel.org> References: <20260929130621.943-1-26rote@gmail.com> <20260929131840.DF20C1F0089E@smtp.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Sun, 04 Oct 2026 17:18:49 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, 29 Sep 2026 13:18:40 +0000, sashiko-bot@kernel.org wrote: > Could this result in the vsync being permanently missed, causing the wait > to timeout? Yes, the window is real; I did not hit it in 13 cycles, but nothing prevents it. v2 stopped only the slave interfaces up front, and v3 follows Dmitry's suggestion and disables the slave before the master, so no timing engine is stopped outside its own disable path: https://lore.kernel.org/all/20261002130712.50612-1-26rote@gmail.com/ Thanks, Joonhoe