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 X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBDDAC636C8 for ; Mon, 19 Jul 2021 02:59:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 7194561029 for ; Mon, 19 Jul 2021 02:59:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7194561029 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2HRGQQbLEGk7qEhj8meAETs1balqb5bfXofC43N4x10=; b=f9WxgGixf+OCMA X+zl8cSOFCuAOuWSnilmLMSo5z+4s6Gb++gSxOdBC/65IKEzBV1kPZcLLzXs6OgCZkXy3OF6qfz0H V60gMJXE5rGtxFHoVL6jzlSpGdLDeU+Ik/XXiKD9XLpCDXTNzw91KkV7L2GCrOnWOzbw4AP/fZ9dk uwvJwaj2VM0FkBfvXZwE3ATMR9YCvgumHWacb/2hij8u/FPv0CoYyxjPkZysD3l7wWZ71DBE1xmSu lQvb+YUh44Y4FCs2v4+7qApeBs8BDm4RT44I91otymvzkScn58H7TD9qCPJBKPg1Plc8aAPoYKFxp rxDOzvat/0WBL5TuMrTQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5JVD-008Ix8-UQ; Mon, 19 Jul 2021 02:59:31 +0000 Received: from mail-ed1-x529.google.com ([2a00:1450:4864:20::529]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5JV1-008Iuy-H9; Mon, 19 Jul 2021 02:59:20 +0000 Received: by mail-ed1-x529.google.com with SMTP id k27so21814452edk.9; Sun, 18 Jul 2021 19:59:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=pw/ymT7jTI4vbe9EaHsLlpbaG3qADekUdaOoeZi9DCI=; b=N6dvNJGmplWlVHUfqKxCiO2YRlq9xOWASWYoxMFmKqo8XQSvSmc/KzvxC5n5K3/qcC mXivOogsUDIFmfvM1VFQcoltPPbrVhryDHWYIzFjFxCpL1KwD+m88meKroRfJ98DeAO4 rYuKsPmdg4byYvJ7UNo3h9AWz8WOiGUbwRTuNuht/WjMsSDu2Tn1KS1+AzadNNr6kz2B Z0xBg3B8qB8mzBjxQS/subjiXw5ND9R8DH/+LN4g0hHJATcXWeqUjtCgAz0n3yAw7Mes AvMCR0txSFHoIfw+m9F3cbKHbZ8/zpprDfcBNywDMH+VQUf8VJcG137+oFoelGqFfHB6 PUNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=pw/ymT7jTI4vbe9EaHsLlpbaG3qADekUdaOoeZi9DCI=; b=h9G+pHKXXg34I3R6AFqS4rTHbDF/XMG/HrM5ufzrtxNfo3VyNsEwI5yLLhkDdplTv2 QGbwdaZl7vJKZ7eTqYUjTWvk+IdfOaPdmOrsctFQf5gWp99RgWglcOgt16lp4k36pvQk jWnqLdZKyED/K1xUEwBxveAJ6/aqjWpvW8+Wm7kNiNyt/EhGjvbgaGBM+FSTmLvJ4NjO jUHTEyyZl81voJpVDthVQ65u0RDvLDgAC7YSk9eq5mnkfqkU6py0DZoJ8l6gaNGkUEjI hUxwKswyWNQcnI4xCJQlfC+/Nj+gEd+hM4UsJohXJPdthb5dbapK2p/nrih2SRRXTzyT /LVw== X-Gm-Message-State: AOAM530WuvYofEeepe65t6ZGiqEzizN33HpI+NV0hENZmgw8rvSd5k9o HQhq/qPVIkP7mvpuAYPXaQK5kFpmoTkeRBw+B2s= X-Google-Smtp-Source: ABdhPJzDYG5f7P7jdkKSk8KghE2W4nVdpPNwQo3VTesZyc9brB+mQqwde7gjS7CS/C495OdoAgptMS7+b1KWthjJxgU= X-Received: by 2002:a05:6402:291a:: with SMTP id ee26mr31661153edb.220.1626663557377; Sun, 18 Jul 2021 19:59:17 -0700 (PDT) MIME-Version: 1.0 References: <20210625130947.1803678-1-javierm@redhat.com> <8dd26141-a09c-39e2-5174-4cad8d21c49c@suse.de> In-Reply-To: <8dd26141-a09c-39e2-5174-4cad8d21c49c@suse.de> From: Dave Airlie Date: Mon, 19 Jul 2021 12:59:06 +1000 Message-ID: Subject: Re: [PATCH v3 0/2] allow simple{fb, drm} drivers to be used on non-x86 EFI platforms To: Thomas Zimmermann Cc: Javier Martinez Canillas , LKML , linux-arm-kernel , linux-efi@vger.kernel.org, Hans de Goede , David Airlie , Catalin Marinas , "the arch/x86 maintainers" , Russell King , dri-devel , Atish Patra , Greg Kroah-Hartman , Ingo Molnar , Thomas Gleixner , Peter Robinson , Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Borislav Petkov , Will Deacon , Ard Biesheuvel , Albert Ou X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210718_195919_609567_82965874 X-CRM114-Status: GOOD ( 28.28 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, 15 Jul 2021 at 18:11, Thomas Zimmermann wrote: > > Hi > > Am 13.07.21 um 18:59 schrieb Javier Martinez Canillas: > > On 6/25/21 3:09 PM, Javier Martinez Canillas wrote: > >> The simplefb and simpledrm drivers match against a "simple-framebuffer" > >> device, but for aarch64 this is only registered when using Device Trees > >> and there's a node with a "simple-framebuffer" compatible string. > >> > >> There is no code to register a "simple-framebuffer" platform device when > >> using EFI instead. In fact, the only platform device that's registered in > >> this case is an "efi-framebuffer", which means that the efifb driver is > >> the only driver supported to have an early console with EFI on aarch64. > >> > >> The x86 architecture platform has a Generic System Framebuffers (sysfb) > >> support, that register a system frambuffer platform device. It either > >> registers a "simple-framebuffer" for the simple{fb,drm} drivers or legacy > >> VGA/EFI FB devices for the vgafb/efifb drivers. > >> > >> The sysfb is generic enough to be reused by other architectures and can be > >> moved out of the arch/x86 directory to drivers/firmware, allowing the EFI > >> logic used by non-x86 architectures to be folded into sysfb as well. > >> > > > > Any more comments on this series? It would be nice for this to land so the > > simpledrm driver could be used on aarch64 EFI systems as well. > > > > The patches have already been acked by x86 and DRM folks. > > Time to get this merged, I'd say. People are asking for these patches > already. Can we just merge via drm-misc and make sure the acks are present and I'll deal with the fallout if any. Dave. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv