From patchwork Tue Sep 29 09:57:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 304190 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham 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 C8EA0C4346E for ; Tue, 29 Sep 2020 10:05:50 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 38C54208FE for ; Tue, 29 Sep 2020 10:05:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Af1XooOL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38C54208FE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44932 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNCW5-0003Kf-7k for qemu-devel@archiver.kernel.org; Tue, 29 Sep 2020 06:05:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39492) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNCO9-0002ou-NQ for qemu-devel@nongnu.org; Tue, 29 Sep 2020 05:57:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:52519) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kNCO8-0000sc-2N for qemu-devel@nongnu.org; Tue, 29 Sep 2020 05:57:37 -0400 Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601373455; 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=cDgOTF722Tnr9qf/sX0cySEoHobwdrhfgZYLnSfUis8=; b=Af1XooOLQW4hJfLVn8f5TcWbMvEOyg44yld907yHCmvMjYAVeO0ewfc8mZwZMmSMWQJuH1 lXKlDVCSdRZ6ZzRx1EymS+EUBTNI/xIpQpI5jw0g3nKip4Ev//NwOKQeUzuTR+R26mSTmM 9g0X74jfEbRiu/lQ1eSxO9oTjlu+EZk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-537-lR1Kjf4fOO6vFJCbTeWKeA-1; Tue, 29 Sep 2020 05:57:33 -0400 X-MC-Unique: lR1Kjf4fOO6vFJCbTeWKeA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EB8531007283; Tue, 29 Sep 2020 09:57:31 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-56.ams2.redhat.com [10.36.112.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id D2A745C1BD; Tue, 29 Sep 2020 09:57:25 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id D403C31E23; Tue, 29 Sep 2020 11:57:17 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 8/9] virtio-vga: implement big-endian-framebuffer property Date: Tue, 29 Sep 2020 11:57:16 +0200 Message-Id: <20200929095717.26745-9-kraxel@redhat.com> In-Reply-To: <20200929095717.26745-1-kraxel@redhat.com> References: <20200929095717.26745-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/29 02:22:44 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.687, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Gibson , qemu-ppc@nongnu.org, Gerd Hoffmann , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Allows to switch the (vga mode) framebuffer into bigendian mode by setting the property, simliar to stdvga. Signed-off-by: Gerd Hoffmann Message-id: 20200928085335.21961-2-kraxel@redhat.com --- hw/display/virtio-vga.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c index f9410a0c2e61..81f776ee36e7 100644 --- a/hw/display/virtio-vga.c +++ b/hw/display/virtio-vga.c @@ -168,6 +168,20 @@ static void virtio_vga_base_reset(DeviceState *dev) vga_dirty_log_start(&vvga->vga); } +static bool virtio_vga_get_big_endian_fb(Object *obj, Error **errp) +{ + VirtIOVGABase *d = VIRTIO_VGA_BASE(obj); + + return d->vga.big_endian_fb; +} + +static void virtio_vga_set_big_endian_fb(Object *obj, bool value, Error **errp) +{ + VirtIOVGABase *d = VIRTIO_VGA_BASE(obj); + + d->vga.big_endian_fb = value; +} + static Property virtio_vga_base_properties[] = { DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy), DEFINE_PROP_END_OF_LIST(), @@ -190,6 +204,11 @@ static void virtio_vga_base_class_init(ObjectClass *klass, void *data) k->realize = virtio_vga_base_realize; pcidev_k->romfile = "vgabios-virtio.bin"; pcidev_k->class_id = PCI_CLASS_DISPLAY_VGA; + + /* Expose framebuffer byteorder via QOM */ + object_class_property_add_bool(klass, "big-endian-framebuffer", + virtio_vga_get_big_endian_fb, + virtio_vga_set_big_endian_fb); } static TypeInfo virtio_vga_base_info = {