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 8615BC433FE for ; Thu, 11 Nov 2021 11:13:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6621E6128E for ; Thu, 11 Nov 2021 11:13:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233002AbhKKLQD (ORCPT ); Thu, 11 Nov 2021 06:16:03 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:39593 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232778AbhKKLQC (ORCPT ); Thu, 11 Nov 2021 06:16:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1636629193; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ddK+70QDiwNPVqUQi478CHOJroN8im0gkQitsQ5o/Ho=; b=ZxjVyJql9IypLfYUgtOAJICk3rQMWYMU99Df3mHR3+RZnfdnztLXuqt0g1Of8wM8vTGfJ3 BwoEppJCX2DYNaGL1irzr2BzG4Dyg/zW2OnIwFcZvF0XX+LvqBz6i7EpUXsfIzGAFZbW2f UGtgzMsf0yY3Y3xXRz06qHPTyU8FfiI= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-194-9pUHrCN8NqCgA3eoS-hPDg-1; Thu, 11 Nov 2021 06:13:12 -0500 X-MC-Unique: 9pUHrCN8NqCgA3eoS-hPDg-1 Received: by mail-wm1-f69.google.com with SMTP id y9-20020a1c7d09000000b003316e18949bso2553918wmc.5 for ; Thu, 11 Nov 2021 03:13:11 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=ddK+70QDiwNPVqUQi478CHOJroN8im0gkQitsQ5o/Ho=; b=Ly05ZzLgCjO17IGxZ3Mr/MDsSg7nFn+Kq2h3MEkE8f8wDXBsVlS8Ub/iTzOihn0Xcc nVm+3jbd7WowNUh9E8lFA5YZyeXOYHGisvNkpoBigYQJPvTb1md0d2+rjF4c98RnsLLp k7+zaQro/UXQuCExfsUDKPqKf/cH4+bLPXIPK25q9gCVxAHKtlv3gBhSKo6iYGBbx+T+ +0X5IKwNlwuHgxu8b2Hk3hO4YbAaQfy9qpm15XCqZvpee4dsv+OSO0sJmiPwUVZO2Ct6 40bOnKmxPtiUhqc1CvBGatmB1Rr7k67YqGvj1Cc6LLIVVa11d/0Em0n1jQxFbEo08g4w 0+Gg== X-Gm-Message-State: AOAM531Yqo7G6JRzUC4/U1K1OEz9fPiex81yXEmG6Ww/NjbknIfX6lSG 3zVPvGrHBQTlENdz8xJd+MPYYYlBR16RGvzCYUkCdjqL+PQ/zCQnko8PHUns9IN4k/nfxXW20NG fY+VWmBMWCPAJLO9Nd70= X-Received: by 2002:a5d:5581:: with SMTP id i1mr7779710wrv.107.1636629191045; Thu, 11 Nov 2021 03:13:11 -0800 (PST) X-Google-Smtp-Source: ABdhPJyWXqQHtS7h8deuBVKj8mfFEGhzdn9o1xM6poKRsJPw8JHivw0tsu1S4SnD6oLmcppXJO704g== X-Received: by 2002:a5d:5581:: with SMTP id i1mr7779676wrv.107.1636629190866; Thu, 11 Nov 2021 03:13:10 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.106]) by smtp.gmail.com with ESMTPSA id d6sm2585948wrx.60.2021.11.11.03.13.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Nov 2021 03:13:10 -0800 (PST) Message-ID: <1b6c6fbe-0b20-95e7-c1ed-bc2b2c13c044@redhat.com> Date: Thu, 11 Nov 2021 12:13:09 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [REGRESSION]: drivers/firmware: move x86 Generic System Framebuffers support Content-Language: en-US To: Ilya Trukhanov Cc: stable@vger.kernel.org, regressions@lists.linux.dev, linux-efi@vger.kernel.org, linux-pm@vger.kernel.org, tzimmermann@suse.de, ardb@kernel.org, rafael@kernel.org, len.brown@intel.com, pavel@ucw.cz, dri-devel References: <20211110200253.rfudkt3edbd3nsyj@lahvuun> <627b6cd1-3446-5e55-ea38-5283a186af39@redhat.com> <20211111004539.vd7nl3duciq72hkf@lahvuun> <1ddb9e88-1ef8-9888-113b-fd2a2759f019@redhat.com> <20211111105232.apk2msip4ng7hgsw@lahvuun> From: Javier Martinez Canillas In-Reply-To: <20211111105232.apk2msip4ng7hgsw@lahvuun> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hello Ilya, On 11/11/21 11:52, Ilya Trukhanov wrote: > On Thu, Nov 11, 2021 at 10:24:56AM +0100, Javier Martinez Canillas wrote: >> On 11/11/21 08:31, Javier Martinez Canillas wrote: >> >> [snip] >> >>>>> And for each check /proc/fb, the kernel boot log, and if Suspend-to-RAM works. >>>>> >>>>> If the explanation above is correct, then I would expect (1) and (2) to work and >>>>> (3) to also fail. >>>>> >>> >>> Your testing confirms my assumptions. I'll check how this could be solved to >>> prevent the efifb driver to be probed if there's already a framebuffer device. >>> >> >> I've posted [0] which does this and also for the simplefb driver. >> >> [0]: https://lore.kernel.org/dri-devel/20211111092053.1328304-1-javierm@redhat.com/T/#u > > I applied the patch and it fixes the issue for me. > Thank you! > Great! And thanks for tracking this down. Feel free to add your Tested-by to v2. Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat