From nobody Sun Nov 24 03:13:52 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=dmitry.osipenko@collabora.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; arc=pass (i=1 dmarc=pass fromdomain=collabora.com); dmarc=pass(p=none dis=none) header.from=collabora.com ARC-Seal: i=2; a=rsa-sha256; t=1728257268; cv=pass; d=zohomail.com; s=zohoarc; b=japkSWdh6C1P4yAREFy+CzxoERxRcpA0oW81sFexlA9DXZJ7SSQMtTOyhYQ/Grd9EEKP/VC45e41xg08pbu/dVU+F5BtxkqJ07+budUnGDg//BUp+iFmoifVth4gBsCFM7BUQep1DKJtsT139nx1ZT6dxACSu+s6o2ZG0ja2wm0= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728257268; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=+3+axIdHEICNkop2jsxxzb/EUmQHz/16r2nDu1gyNPM=; b=DzsHihr5o74BnYW0BlBh2/UOggFnpd95NDrW/J2auolTTtFFSntLdOsFwJVf0GuKUG7hrwNoCziBkAP5aCVRsKmV1mAGl/ZyN0LxL4OskAGZQ7K9LSGcEZx2xz6Qlhuf6/5bff10B/w12dt2whv++23G7Tyh7iotpmd1pq7vRrA= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass header.i=dmitry.osipenko@collabora.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; arc=pass (i=1 dmarc=pass fromdomain=collabora.com); 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 172825726883071.51029809095701; Sun, 6 Oct 2024 16:27:48 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sxae8-0004cp-Vl; Sun, 06 Oct 2024 19:26:41 -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 1sxae6-0004cd-G4 for qemu-devel@nongnu.org; Sun, 06 Oct 2024 19:26:38 -0400 Received: from sender4-pp-f112.zoho.com ([136.143.188.112]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sxae4-0006aH-MR for qemu-devel@nongnu.org; Sun, 06 Oct 2024 19:26:38 -0400 Received: by mx.zohomail.com with SMTPS id 1728257185616934.4557603503943; Sun, 6 Oct 2024 16:26:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1728257186; cv=none; d=zohomail.com; s=zohoarc; b=Idb6bDwEINPkSAwwwy5dGcMdP7En/TSHbFa6XiCkzJXPgCCdCFX0nEYLErjHu2lOZwOH9IjTuno/B6jedmBM4u8lKuVv7H5jQj8c0kgWAgmutxFrpzcWcigmWu4bIpgTUura0jSr5U2rE7X8MGP7Zwr9gUUiyVzXhhcDb7LZcAc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728257186; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=+3+axIdHEICNkop2jsxxzb/EUmQHz/16r2nDu1gyNPM=; b=Y03d79o+c64hHe3GaoQ1L0O/6Bp78hgyI1DLOdIBCXibhlul5NSVMnVl+5qcyz/FJ7rZ7fUGV1pqyWbSvJ/5hIeFurDjok5r+k0KNNmcKYRv5OgTb6E9e8+kWDPtQB9d5kE2SzwZH14FWHygYlLMWAZC2ZM4T7/bvphrO+NzMWg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1728257186; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=+3+axIdHEICNkop2jsxxzb/EUmQHz/16r2nDu1gyNPM=; b=OmEeP2/HMlxJ0deuxbs0YZQipguN02XDig79hXrVLs0LGcwfw/gmgRXFDcc5azvK /byL9LYO2WYKYwW0yiASqxEYo/Ab5U0JtA/2jPmQsspVbs9KVRSUnSO1oNgzZIJRJS1 x7Bif+fHUpip+DLWQuFql5cWgSMzKuRgR/qhJg74= From: Dmitry Osipenko To: Akihiko Odaki , Huang Rui , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?q?Alex=20Benn=C3=A9e?= , "Michael S . Tsirkin" , Paolo Bonzini Cc: Gert Wollny , qemu-devel@nongnu.org, Gurchetan Singh , Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark Subject: [PATCH v1 6/6] virtio-gpu: Support DRM native context Date: Mon, 7 Oct 2024 02:23:48 +0300 Message-ID: <20241006232350.3198759-7-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241006232350.3198759-1-dmitry.osipenko@collabora.com> References: <20241006232350.3198759-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External 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=136.143.188.112; envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.com 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 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-ZohoMail-DKIM: pass (identity dmitry.osipenko@collabora.com) X-ZM-MESSAGEID: 1728257269192116600 Content-Type: text/plain; charset="utf-8" Add support for DRM native contexts to VirtIO-GPU. DRM context is enabled using a new virtio-gpu-gl device option "drm=3Dtrue". Unlike Virgl and Venus contexts that operate on application API level, DRM native contexts work on a kernel UAPI level. This lower level results in a lightweight context implementations that yield better performance. Signed-off-by: Dmitry Osipenko --- docs/system/devices/virtio-gpu.rst | 11 +++++++++++ hw/display/virtio-gpu-gl.c | 2 ++ hw/display/virtio-gpu-virgl.c | 12 ++++++++++++ hw/display/virtio-gpu.c | 15 +++++++++++++++ include/hw/virtio/virtio-gpu.h | 3 +++ 5 files changed, 43 insertions(+) diff --git a/docs/system/devices/virtio-gpu.rst b/docs/system/devices/virti= o-gpu.rst index b7eb0fc0e727..8ce67c98aae2 100644 --- a/docs/system/devices/virtio-gpu.rst +++ b/docs/system/devices/virtio-gpu.rst @@ -82,6 +82,17 @@ of virtio-gpu host memory window. This is typically betw= een 256M and 8G. =20 .. _venus: https://gitlab.freedesktop.org/virgl/venus-protocol/ =20 +DRM native context is supported since release of `virglrenderer`_ v1.0.0 +using `drm`_ protocol. ``DRM`` virtio-gpu capability set ("capset") requir= es +host blob support (``hostmem`` and ``blob`` fields) and should be enabled +using ``drm`` field. The ``hostmem`` field specifies the size of virtio-gpu +host memory window. This is typically between 256M and 8G. + +.. parsed-literal:: + -device virtio-gpu-gl,hostmem=3D8G,blob=3Dtrue,drm=3Dtrue + +.. _drm: https://gitlab.freedesktop.org/virgl/virglrenderer/-/tree/main/sr= c/drm + virtio-gpu rutabaga ------------------- =20 diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index 53d938f23f20..bd0c0692a5c4 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -159,6 +159,8 @@ static Property virtio_gpu_gl_properties[] =3D { VIRTIO_GPU_FLAG_STATS_ENABLED, false), DEFINE_PROP_BIT("venus", VirtIOGPU, parent_obj.conf.flags, VIRTIO_GPU_FLAG_VENUS_ENABLED, false), + DEFINE_PROP_BIT("drm", VirtIOGPU, parent_obj.conf.flags, + VIRTIO_GPU_FLAG_DRM_ENABLED, false), DEFINE_PROP_END_OF_LIST(), }; =20 diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index ad1d40901bff..d61f78a28881 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -1227,6 +1227,18 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { flags |=3D VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER; } + if (virtio_gpu_drm_enabled(g->parent_obj.conf)) { + flags |=3D VIRGL_RENDERER_DRM; + + if (!gl->context_fence_enabled) { + /* + * Virglrenderer skips enabling DRM context support without + * enabled async-fence feature. VirtIO-GPU will initialize + * successfully, but DRM context won't be available in guest. + */ + warn_report("DRM native context requires EGL display"); + } + } #endif =20 ret =3D virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs); diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 0d1de7dc398c..cfd4ed8a104f 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -1521,6 +1521,21 @@ void virtio_gpu_device_realize(DeviceState *qdev, Er= ror **errp) #endif } =20 + if (virtio_gpu_drm_enabled(g->parent_obj.conf)) { +#ifdef VIRGL_VERSION_MAJOR + #if VIRGL_VERSION_MAJOR >=3D 1 + if (!virtio_gpu_blob_enabled(g->parent_obj.conf) || + !virtio_gpu_hostmem_enabled(g->parent_obj.conf)) { + error_setg(errp, "drm requires enabled blob and hostmem option= s"); + return; + } + #else + error_setg(errp, "old virglrenderer, drm unsupported"); + return; + #endif +#endif + } + if (!virtio_gpu_base_device_realize(qdev, virtio_gpu_handle_ctrl_cb, virtio_gpu_handle_cursor_cb, diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index e95d1619c885..6aaf27d1b319 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -100,6 +100,7 @@ enum virtio_gpu_base_conf_flags { VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED, VIRTIO_GPU_FLAG_RUTABAGA_ENABLED, VIRTIO_GPU_FLAG_VENUS_ENABLED, + VIRTIO_GPU_FLAG_DRM_ENABLED, }; =20 #define virtio_gpu_virgl_enabled(_cfg) \ @@ -120,6 +121,8 @@ enum virtio_gpu_base_conf_flags { (_cfg.hostmem > 0) #define virtio_gpu_venus_enabled(_cfg) \ (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED)) +#define virtio_gpu_drm_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_DRM_ENABLED)) =20 struct virtio_gpu_base_conf { uint32_t max_outputs; --=20 2.46.0