From nobody Tue Feb 10 11:12:35 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=collabora.com ARC-Seal: i=1; a=rsa-sha256; t=1663066544; cv=none; d=zohomail.com; s=zohoarc; b=RbbA+csulGXJPNgUrQ6BWyvzfuSaAbYQ/V+OuZ75HDis38PuWm6foWiW/mCeW7zkkTgEWfz9enzLWdQWjS7kDuKiK/qWWZBnS7sAG2ulU+wlR5lFhk8zee38zFR4KLoB0jqhDGLsEzSCBC/IdokWWRxDgrzf0fzZANyMVrZtpkA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1663066544; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=gv6nV7/rcG2tz1zzVsuMKykopu75tmRtU+TwFiKPUBY=; b=Y3hOWHyuWB9jBY3k+HmuROp5VI1ZRjh1qpXaGjUQp6eXTsISS/wy3lN65hAuGuEkzmG40ykx8Py9V0gmi+pIkHXxpwlp2AaqfP84GeGpW5mpwjRz3opiXfecdnZZfRQ2QiLYK6GEoZNhBXWzHAKJsv4s10oQhKnzORoHKsbXjAQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1663066544077121.95959246980794; Tue, 13 Sep 2022 03:55:44 -0700 (PDT) Received: from localhost ([::1]:57426 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oY3Zp-0000co-PW for importer@patchew.org; Tue, 13 Sep 2022 06:55:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oY3Ux-0006EI-4a for qemu-devel@nongnu.org; Tue, 13 Sep 2022 06:50:36 -0400 Received: from madras.collabora.co.uk ([46.235.227.172]:47298) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oY3Uv-00019x-4I for qemu-devel@nongnu.org; Tue, 13 Sep 2022 06:50:34 -0400 Received: from dellino.fritz.box (host-79-51-37-159.retail.telecomitalia.it [79.51.37.159]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fahien) by madras.collabora.co.uk (Postfix) with ESMTPSA id 710DC6602028; Tue, 13 Sep 2022 11:50:31 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1663066231; bh=KFvIIfVO5dymfUCJCAgIQpVU7zuVm7u1+bbQkHJmCkY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WGUDRAeUVCqj+Eu/nYljN5x7bAzyujdlLDlrvR9jRbAisLel3VLrlsx+7Dv2z4Xi7 YQTqGJG9zOts8mfcWuCzZKsGmZhHBBii86LlkA9SYZjUU/hkMB8RxEYNUD9m0jLBUX gCrP0YCxeHoYobsZIXuGx55b4L2TwzKvGKBbH8+1CIvDbycgNuYYAyIKbWKR4C25UV FIR8mv/0pWfSLfa9G7SfLcSaznmqBM1WQDlIHM9D+OHkW4ssj34zdYCojqkWHZZKMD re1GfzQKR2j1pe1k0jl7lNhrns9I4/p9fzsKTzA5J4r1lcXbzyMZCyOK4PFE0vVLhz Nzz2MnFkfZ2QA== From: Antonio Caggiano To: qemu-devel@nongnu.org Cc: gert.wollny@collabora.com, dmitry.osipenko@collabora.com, "Michael S. Tsirkin" , Gerd Hoffmann Subject: [PATCH v2 4/4] virtio-gpu: Don't require udmabuf when blob support is enabled Date: Tue, 13 Sep 2022 12:50:22 +0200 Message-Id: <20220913105022.81953-5-antonio.caggiano@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220913105022.81953-1-antonio.caggiano@collabora.com> References: <20220913105022.81953-1-antonio.caggiano@collabora.com> MIME-Version: 1.0 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=46.235.227.172; envelope-from=antonio.caggiano@collabora.com; helo=madras.collabora.co.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZohoMail-DKIM: pass (identity @collabora.com) X-ZM-MESSAGEID: 1663066545284100001 Content-Type: text/plain; charset="utf-8" From: Dmitry Osipenko Host blobs don't need udmabuf, it's only needed by guest blobs. The host blobs are utilized by the Mesa virgl driver when persistent memory mapping is needed by a GL buffer, otherwise virgl driver doesn't use blobs. Persistent mapping support bumps GL version from 4.3 to 4.5 in guest. Relax the udmabuf requirement. Signed-off-by: Dmitry Osipenko Reviewed-by: Antonio Caggiano --- hw/display/virtio-gpu.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index f79693d44d..767142cf5d 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -367,7 +367,9 @@ static void virtio_gpu_resource_create_blob(VirtIOGPU *= g, return; } =20 - virtio_gpu_init_udmabuf(res); + if (cblob.blob_mem =3D=3D VIRTIO_GPU_BLOB_MEM_GUEST) { + virtio_gpu_init_udmabuf(res); + } QTAILQ_INSERT_HEAD(&g->reslist, res, next); } =20 @@ -1319,19 +1321,13 @@ void virtio_gpu_device_realize(DeviceState *qdev, E= rror **errp) VirtIODevice *vdev =3D VIRTIO_DEVICE(qdev); VirtIOGPU *g =3D VIRTIO_GPU(qdev); =20 - if (virtio_gpu_blob_enabled(g->parent_obj.conf)) { - if (!virtio_gpu_have_udmabuf()) { - error_setg(errp, "cannot enable blob resources without udmabuf= "); - return; - } - #ifndef HAVE_VIRGL_RESOURCE_BLOB - if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) { - error_setg(errp, "Linked virglrenderer does not support blob r= esources"); - return; - } -#endif + if (virtio_gpu_blob_enabled(g->parent_obj.conf) && + virtio_gpu_virgl_enabled(g->parent_obj.conf)) { + error_setg(errp, "Linked virglrenderer does not support blob resou= rces"); + return; } +#endif =20 if (!virtio_gpu_base_device_realize(qdev, virtio_gpu_handle_ctrl_cb, --=20 2.34.1