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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a15-20020a056402168f00b004358326ebb8si9696644edv.539.2022.07.04.05.45.42; Mon, 04 Jul 2022 05:46:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfromscratch.org header.s=cert4 header.b=cih1+QIm; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=linuxfromscratch.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233678AbiGDMM6 (ORCPT + 99 others); Mon, 4 Jul 2022 08:12:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234156AbiGDMMo (ORCPT ); Mon, 4 Jul 2022 08:12:44 -0400 Received: from smtp2.tsag.net (smtp2.tsag.net [208.118.68.91]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C05DB11A17; Mon, 4 Jul 2022 05:12:34 -0700 (PDT) Received: from linuxfromscratch.org (rivendell.linuxfromscratch.org [208.118.68.85]) (user=smtprelay@linuxfromscratch.org mech=PLAIN bits=0) by smtp2.tsag.net with ESMTP id 264CCEb3016295-264CCEb5016295 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 4 Jul 2022 06:12:15 -0600 Received: from [192.168.124.21] (unknown [113.140.29.6]) by linuxfromscratch.org (Postfix) with ESMTPSA id 94E8B1C33A3; Mon, 4 Jul 2022 12:12:03 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfromscratch.org; s=cert4; t=1656936734; bh=GrL/vpguVZ9tP47CYdZCrW41xA+hiKUSJdUUeQWLGpE=; h=Subject:From:To:Cc:Date:In-Reply-To:References; b=cih1+QImaS5HdEMectcuxojxwRTLah2ZFL57ICfKWJvgQEpOF1/UT/N0n+LTwAB87 zgVYrxsIEzMpjAoI+sLSjNhNYZ8S6EXNRpDplk52OHsliZA7wOwyUZNZadL820INJq eY3q1NXW20y6Bgmxv0notT4Xyhlr4pXswC7bF9zz9Ca3GrCRV3I5WKT+cPDDMzOLuQ HusFDkbVEZxP7LGcslMs6RjXhPWkeLuEpzszbqewJlkcgfeXlgwl4LK3OJNX1Aslqv 4b8acQN+j70cUyQ9aKttzbeG2jT2wCtXZKfHp7yINnYUGq5vvPt6YoqF8rVdse9UNj GCNBwJzDPhkUQ== Message-ID: <2ae767b0439133ca4e60885a1843ee72b69adfc5.camel@linuxfromscratch.org> Subject: Re: [PATCH v6 3/5] fbdev: Disable sysfb device registration when removing conflicting FBs From: Xi Ruoyao To: Javier Martinez Canillas , Zack Rusin , "linux-kernel@vger.kernel.org" Cc: "linux-fbdev@vger.kernel.org" , "kvm@vger.kernel.org" , "gregkh@linuxfoundation.org" , "deller@gmx.de" , "dri-devel@lists.freedesktop.org" , "alex.williamson@redhat.com" , Linux-graphics-maintainer , "kraxel@redhat.com" , "tzimmermann@suse.de" , "daniel.vetter@ffwll.ch" , "lersek@redhat.com" Date: Mon, 04 Jul 2022 20:11:40 +0800 In-Reply-To: References: <20220607182338.344270-1-javierm@redhat.com> <20220607182338.344270-4-javierm@redhat.com> <38473dcd-0666-67b9-28bd-afa2d0ce434a@redhat.com> <603e3613b9b8ff7815b63f294510d417b5b12937.camel@vmware.com> <97565fb5-cf7f-5991-6fb3-db96fe239ee8@redhat.com> <711c88299ef41afd8556132b7c1dcb75ee7e6117.camel@vmware.com> <64c753c98488a64b470009e45769ceab29fd8130.camel@linuxfromscratch.org> <61f2e4e2af40cb9d853504d0a6fe01829ff8ca60.camel@linuxfromscratch.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.3 MIME-Version: 1.0 X-FEAS-Auth-User: smtprelay@linuxfromscratch.org X-FEAS-DKIM: Valid Authentication-Results: smtp2.tsag.net; dkim=pass header.i=@linuxfromscratch.org; dmarc=pass header.from=linuxfromscratch.org X-FE-Policy-ID: 0:14:3:linuxfromscratch.org X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2022-07-04 at 13:04 +0200, Javier Martinez Canillas wrote: > Hello Xi, > >=20 > > With CONFIG_SYSFB_SIMPLEFB and CONFIG_FB_SIMPLE enabled, there is no > > issue. > >=20 > > I guess it's something going wrong on a "drm -> drm" pass over.=C2=A0 F= or now > > I'll continue to use simpledrm with this commit reverted. > >=20 >=20 > Yes, we need to also cherry-pick b84efa28a48 ("drm/aperture: Run fbdev > removal before internal helpers") now that the sysfb_disable() patches > are in v5.19-rc5. I confirm that cherry-picking b84efa28a48 fixes the issue for v5.19-rc5.