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 A8D7CC433FE for ; Tue, 9 Nov 2021 14:17:11 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6E801610F7 for ; Tue, 9 Nov 2021 14:17:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6E801610F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A514A6E4B6; Tue, 9 Nov 2021 14:17:10 +0000 (UTC) Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 410136E4B6 for ; Tue, 9 Nov 2021 14:17:09 +0000 (UTC) Received: by mail-lf1-x131.google.com with SMTP id c32so3890907lfv.4 for ; Tue, 09 Nov 2021 06:17:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:from:to:references:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=m2GqY2mDFlipG6tNeiSkvnWYUGbRZlIzY21R2KMLhdo=; b=ELe9+siJ5BYvKf51LONW43WgnEkNFx3zmr9fYBZziifsfWt7ud+AvZfQqfMSq69n4N +oFpnk8aHk3046QXCYM+kqU26NNmw2BBwt0wQ6PsdYQ83nIkGETP1zmi3i1NyO5p7UCg dwuAjX0O6MYLpJK/5usiGmrFaWgLSn1zBRDKDnJNU2YqxbcR2huZGp4WCJ6WsbUGPIQg esVWTzz+8L2hpgfXV/mVzHnnBPiAMqggOcGCzOLYmXChP47UBjEQJf+9I4qk2sBMIuHq H+MZQzFywvYWHWmRAuVCdfmedDEM+H7jwcSlXHKmH+z37MonJp9mwBUEkgehpHUKI/Gt Ldng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:from:to:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=m2GqY2mDFlipG6tNeiSkvnWYUGbRZlIzY21R2KMLhdo=; b=jwEbA2vucYvHcnuyezCnDUU4lpyAuPghX/9e+YP71ZjLhzKfAQN3kMJkff+W0wuXEj 61wMp29NlWk7Ofp79XjZDVCDX2MqX//FZdIivSTJ75IvYOGNxIwPxm0sHCrM4JNfh9eL u4nv2zCZS9u8R9OgECGzLugztLzLDn4Mm42qfz5MdPv5rjaRwptsk40nJPQmkG08ZJil Tlr4/LW/p+wnrIhxGh83uYfo93PGyD1Am8JiwBUn+cr/u/LdUH9Cx4raIOaMwryISeVr /jyWoWO5Qmzh0u3Rdld89SQvyYmUPxK8PfejTKscKY+6wdnv9eqKvY2bMfv75uGKH7rg xiSw== X-Gm-Message-State: AOAM530BOCPh5rmhKwCSDNBc+elo8ztTWtgfEKaxJU8yT6eMkSmGeXtY DBaXibCn9USJwjQI+Nm4eCg= X-Google-Smtp-Source: ABdhPJyk5qauXt5bW8MEYaLPuuzF4Vi7/T974PUmgB7TLU72JMIrOEmxEtXPIKbH7OgkdaT1BGYBZQ== X-Received: by 2002:ac2:4e0b:: with SMTP id e11mr6983512lfr.208.1636467427428; Tue, 09 Nov 2021 06:17:07 -0800 (PST) Received: from [192.168.2.145] (79-139-188-96.dynamic.spd-mgts.ru. [79.139.188.96]) by smtp.googlemail.com with ESMTPSA id e7sm2158805lfr.294.2021.11.09.06.17.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 Nov 2021 06:17:06 -0800 (PST) Subject: Re: [PATCH v1 2/2] drm/tegra: Use drm_dp_aux_register_ddc/chardev() helpers From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Lyude Paul , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Thomas Graichen , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211107230821.13511-1-digetx@gmail.com> <20211107230821.13511-2-digetx@gmail.com> <0a2c02ae-3fe1-e384-28d3-13e13801d675@gmail.com> <857a48ae-9ff4-89fe-11ce-5f1573763941@gmail.com> Message-ID: <71fcbc09-5b60-ee76-49b2-94adc965eda5@gmail.com> Date: Tue, 9 Nov 2021 17:17:06 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit 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" 09.11.2021 17:08, Dmitry Osipenko пишет: >> +static void host1x_drm_dev_deinit(struct host1x_device *dev) >> +{ >> + struct drm_device *drm = dev_get_drvdata(&dev->dev); > And platform_unregister_drivers() should be moved here. > Nah, that should cause deadlock. This ad-hoc is too lame. Another solution is to defer probing of DP AUX driver while tegra_drm_device() returns NULL, but it's icky. Reverting the original DP AUX DDC registration order is the best option so far, IMO.