From nobody Wed Feb 11 04:36:43 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1697095086582698.0002079227528; Thu, 12 Oct 2023 00:18:06 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qqpvv-0006yy-T3; Thu, 12 Oct 2023 03:16:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qqpvs-0006xu-BL; Thu, 12 Oct 2023 03:16:32 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qqpvq-0000sV-7l; Thu, 12 Oct 2023 03:16:32 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 4CE3129AC4; Thu, 12 Oct 2023 10:16:34 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 163F12E9B0; Thu, 12 Oct 2023 10:16:27 +0300 (MSK) Received: (nullmailer pid 25941 invoked by uid 1000); Thu, 12 Oct 2023 07:16:26 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Alex Williamson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Michael Tokarev Subject: [Stable-8.1.2 58/61] vfio/display: Fix missing update to set backing fields Date: Thu, 12 Oct 2023 10:16:14 +0300 Message-Id: <20231012071626.25905-1-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1697095087926100003 From: Alex Williamson The below referenced commit renames scanout_width/height to backing_width/height, but also promotes these fields in various portions of the egl interface. Meanwhile vfio dmabuf support has never used the previous scanout fields and is therefore missed in the update. This results in a black screen when transitioning from ramfb to dmabuf display when using Intel vGPU with these features. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1891 Link: https://lists.gnu.org/archive/html/qemu-devel/2023-08/msg02726.html Fixes: 9ac06df8b684 ("virtio-gpu-udmabuf: correct naming of QemuDmaBuf size= properties") Signed-off-by: Alex Williamson Tested-by: C=C3=A9dric Le Goater Signed-off-by: C=C3=A9dric Le Goater (cherry picked from commit 931150e56b056b120c868f94751722710df0b6a7) Signed-off-by: Michael Tokarev diff --git a/hw/vfio/display.c b/hw/vfio/display.c index bec864f482..837d9e6a30 100644 --- a/hw/vfio/display.c +++ b/hw/vfio/display.c @@ -243,6 +243,8 @@ static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevic= e *vdev, dmabuf->dmabuf_id =3D plane.dmabuf_id; dmabuf->buf.width =3D plane.width; dmabuf->buf.height =3D plane.height; + dmabuf->buf.backing_width =3D plane.width; + dmabuf->buf.backing_height =3D plane.height; dmabuf->buf.stride =3D plane.stride; dmabuf->buf.fourcc =3D plane.drm_format; dmabuf->buf.modifier =3D plane.drm_format_mod; --=20 2.39.2