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 CBD2FC433FE for ; Thu, 11 Nov 2021 11:18:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABC1B61058 for ; Thu, 11 Nov 2021 11:18:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232968AbhKKLVE (ORCPT ); Thu, 11 Nov 2021 06:21:04 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:35411 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230400AbhKKLVC (ORCPT ); Thu, 11 Nov 2021 06:21:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1636629493; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Cm+DUi8ko4XSbRJD2kBqXRStf4XmBaQnXCvcSQsugM4=; b=O7OOvBcQuZjmXK/lX+1egIUxRrTeKwPtodZyIMhTfFHcsn9cA92ffIcZkPD7RKqBIDFEew HO3WfzDe7EgOF+bpnp+6GwuGjWxdrg2xugHZ+z98o4gZkk0rH/HpB+yOjImFtfsg5aVBPh wsfEWTfLlwJ0xB1/NTQJMEHdssLkEC4= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-494-EbI0VzldMHe_Gmbpy6Dc7A-1; Thu, 11 Nov 2021 06:18:12 -0500 X-MC-Unique: EbI0VzldMHe_Gmbpy6Dc7A-1 Received: by mail-wm1-f71.google.com with SMTP id a67-20020a1c7f46000000b00333629ed22dso1066641wmd.6 for ; Thu, 11 Nov 2021 03:18:11 -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:references:from:in-reply-to :content-transfer-encoding; bh=Cm+DUi8ko4XSbRJD2kBqXRStf4XmBaQnXCvcSQsugM4=; b=j4QyYuzn/UEFHqe4wJ3JMkXJMwmQu9N39zq7t4QesuvlVaF4TWkUz6lRM1kRmV+FWY PpelDwoKuagjlJ5nJ8YvJr66rIqncrPWpzs/kAaKuokKb0biQ3NFGKxMMo9vH9dt+f9j +ujSqCT/erwUniHQvoAWtFdyVBMsecWAlOzFby6dvqPB3IVrVLjkakrtkcbpIzsPkqUl UiXPSovF9iX28C6V35SrQuKYTV3JHFSLxmRVEjwvYS99Lud2D7nDTN3MycE59v6Co2+E urM/jy5Q9BgYKHsqHErAiu5xZNijdrjtWwzgsbOZzVsqo5fQeYdekop7a2MHxsbQGGKL D6hg== X-Gm-Message-State: AOAM53198d1oPWGmeAvIWBFoe6Hfp+tC/wxIsuKv3/NxyI0MhtekmS4D bYgfzdSH/HSM/6v55QVjl5fx13ayBn4PDpCQj4NW93dMmzcwsyOFLE8tWeXGIt4dWGaZumvFV86 YLQxqEV2Vq6xwJfFBUjA9GNU= X-Received: by 2002:a7b:c7d5:: with SMTP id z21mr24715982wmk.40.1636629490889; Thu, 11 Nov 2021 03:18:10 -0800 (PST) X-Google-Smtp-Source: ABdhPJw4QxzjI3CdpXCnsWkA7eOREXt8H1mIwhs9QLzOlluAuSBhSe0vmw+5iQBIRwQe7D8C02d50Q== X-Received: by 2002:a7b:c7d5:: with SMTP id z21mr24715959wmk.40.1636629490719; Thu, 11 Nov 2021 03:18:10 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.106]) by smtp.gmail.com with ESMTPSA id o2sm2797562wrg.1.2021.11.11.03.18.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Nov 2021 03:18:10 -0800 (PST) Message-ID: <62258612-be91-d195-58e4-057819e7b29e@redhat.com> Date: Thu, 11 Nov 2021 12:18:09 +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: [PATCH] fbdev: Prevent probing generic drivers if a FB is already registered Content-Language: en-US To: linux-kernel@vger.kernel.org, Sam Ravnborg , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, Thomas Zimmermann , Ilya Trukhanov References: <20211111092053.1328304-1-javierm@redhat.com> From: Javier Martinez Canillas In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Hello Daniel, On 11/11/21 10:54, Daniel Vetter wrote: > On Thu, Nov 11, 2021 at 10:20:53AM +0100, Javier Martinez Canillas wrote: >> The efifb and simplefb drivers just render to a pre-allocated frame buffer >> and rely on the display hardware being initialized before the kernel boots. >> >> But if another driver already probed correctly and registered a fbdev, the >> generic drivers shouldn't be probed since an actual driver for the display >> hardware is already present. >> >> Reported-by: Ilya Trukhanov >> Signed-off-by: Javier Martinez Canillas > > Reviewed-by: Daniel Vetter > Thanks for your review. > Also Cc: stable@vger.kernel.org? > > btw time to organize drm-misc commit rights so you can push stuff like > this? Yes, I'll start the process today to request that. > -Daniel > Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat