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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE0B9C433E0 for ; Mon, 8 Mar 2021 17:30:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7ED6D652A8 for ; Mon, 8 Mar 2021 17:30:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229790AbhCHRaV (ORCPT ); Mon, 8 Mar 2021 12:30:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230412AbhCHRaJ (ORCPT ); Mon, 8 Mar 2021 12:30:09 -0500 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92C74C06174A for ; Mon, 8 Mar 2021 09:30:09 -0800 (PST) Received: by mail-pl1-x62d.google.com with SMTP id 30so634676ple.4 for ; Mon, 08 Mar 2021 09:30:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=pPr4TEZg8eRFsyyC0gyS8i3k7JNesoOp96Z0bqlYwW8=; b=AIgOCaFbfqm0PaTD5lY7ZMlRGv3BK5ulfABakddZh+yraj0Z3osw9OBnVEveESDti/ 5veeMZojLMgcVELHBcHwhDsRxyGdFr/04Qk3eAIZSY/J6G36AFtpcbGeE+hmXx50va3j QUQFfh8+8v7XhuVYcx3WW1/d1WX9dHJGebyEWf+aUDHVLEhnU1Bv60Ri5FEF/nKOyRct X2eZWLlyF+LuN3IRcDG0TJIagjA+l8aBnC0BaOM4JX8I+XF9vm6TYacx8HQNc0/X2ECs hngsoTdA6ZeJYgjE8GaM+6cXJh0qxbfNJmY9ynovnXORcaJ2SpusQTqy8fNMgvwVkpM6 DuPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=pPr4TEZg8eRFsyyC0gyS8i3k7JNesoOp96Z0bqlYwW8=; b=EEGGDE8FeHYV1P3UCUiZNIU9Q4xK2Zvi+4wnI8UT045XD8ehu6ifKJ6tQEjqx7emXu mMsPSjUd193dZMqqVZOlZOKVe2wBD1HmgunRdAqOTwRTAWjtxqoCbOVkQ5tOoQANRI6o o97uyVIZukx1FnpbRHkMj4tq6H67zRp2qlPIkoqTXXk7RuCOrjaF1Q/HXwLnHJL9i+pD +Kwl6HRUXzWiVPUYt4eNkPm42lvjHB6X2ZhXkRv1Njr94C0YvOVzWLW6cgpRYAJolhjD usDKo24us/dECnYnSCQL0bvlYmlT7xoK9DDbaOnSRl9ZVJgiI0WrvjCszG9+tEitaU3V bwKA== X-Gm-Message-State: AOAM532eIq0i2QsERPJ26qoe25iKiRdxTO/Kd2F7VKc92gPsFZNrsNEn JM1BIMBoiGWDfY1N8wxjJ5vCsg== X-Google-Smtp-Source: ABdhPJxp5FeOMPK9+lFtnyew8n2+3htoOnuDitU9jh66jK7OhfS4uRrdaIbOVg97usDkp6nVL8TiGw== X-Received: by 2002:a17:90b:120f:: with SMTP id gl15mr25787521pjb.77.1615224608902; Mon, 08 Mar 2021 09:30:08 -0800 (PST) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.gmail.com with ESMTPSA id 35sm10489466pgm.64.2021.03.08.09.30.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 09:30:08 -0800 (PST) From: Kevin Hilman To: Artem Lapkin , narmstrong@baylibre.com Cc: jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, christianshewitt@gmail.com, art@khadas.com, nick@khadas.com, gouwa@khadas.com Subject: Re: [PATCH] drm: meson_drv add shutdown function In-Reply-To: <20210302042202.3728113-1-art@khadas.com> References: <20210302042202.3728113-1-art@khadas.com> Date: Mon, 08 Mar 2021 09:30:07 -0800 Message-ID: <7ho8ft365c.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Artem Lapkin writes: > Problem: random stucks on reboot stage about 1/20 stuck/reboots > // debug kernel log > [ 4.496660] reboot: kernel restart prepare CMD:(null) > [ 4.498114] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown begin > [ 4.503949] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown domain 0:VPU... > ...STUCK... > > Solution: add shutdown function to meson_drm driver > // debug kernel log > [ 5.231896] reboot: kernel restart prepare CMD:(null) > [ 5.246135] [drm:meson_drv_shutdown] > ... > [ 5.259271] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown begin > [ 5.274688] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown domain 0:VPU... > [ 5.338331] reboot: Restarting system > [ 5.358293] psci: PSCI_0_2_FN_SYSTEM_RESET reboot_mode:0 cmd:(null) > bl31 reboot reason: 0xd > bl31 reboot reason: 0x0 > system cmd 1. > ...REBOOT... > > Tested: on VIM1 VIM2 VIM3 VIM3L khadas sbcs - 1000+ successful reboots > and Odroid boards, WeTek Play2 (GXBB) > > Tested-by: Christian Hewitt > Signed-off-by: Artem Lapkin Acked-by: Kevin Hilman