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 183CDC433EF for ; Tue, 9 Nov 2021 14:17:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0ABA61058 for ; Tue, 9 Nov 2021 14:17:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232294AbhKIOTz (ORCPT ); Tue, 9 Nov 2021 09:19:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231178AbhKIOTz (ORCPT ); Tue, 9 Nov 2021 09:19:55 -0500 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3589BC061764; Tue, 9 Nov 2021 06:17:09 -0800 (PST) Received: by mail-lf1-x132.google.com with SMTP id p16so44745587lfa.2; 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=bPKLYItPNj3AXnFhQLRGSFcUCQ52MXcb+9EvuMUKUlpLjwiO6+tmP5EvZmzlIOegv3 P57+9LXYTEPIPPYiof/Iqs/8zoF9d0uurCpuZsy2BblJC6HH+ANnMwKTosha9f7+wBc9 Y0h7gtwmuz3WBMBpOcGWKDxKWMxPtv5JEF+7KLVNLtveu3xNFOmf1ivtVwstzgJqhPr8 xuJyLSNrG7sVUt3Nzp1gazgJDC+lk4zmWiW+vwbHpHD8EwaTOlel9yY4bqM9xCXcoMEn uSgnSNXsY2yxW8CDksHqXBxPjZcvN9CkSncyarnuzz83i4DihPpvVX8Qv9Sw8yWOrFnK 35qw== X-Gm-Message-State: AOAM530fO05q4C+JR3I2Jc559ObJQY0ebNqRgqTBzgNrnn+Dex0XIK/1 JY0puPP+g9iRL1zooWVud47PqLjTLxI= 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 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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.