From patchwork Tue May 11 08:36:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Kasireddy X-Patchwork-Id: 12250221 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 ED2FBC433ED for ; Tue, 11 May 2021 08:48:29 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 907D5611F1 for ; Tue, 11 May 2021 08:48:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 907D5611F1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C02056E9FC; Tue, 11 May 2021 08:48:24 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id C98176E9FC for ; Tue, 11 May 2021 08:48:22 +0000 (UTC) IronPort-SDR: I0RZOucb51nM4MgznsWeJnBLvyYODiIPkxNLVO0pHfiaIk2nYvfZMlSRt9EzbOefPsaeCKQpGW Eor6zUgt1Psg== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="199458708" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="199458708" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 01:48:22 -0700 IronPort-SDR: l8J+wcYouA9rH2QI4o3oUe9Pwa0h0mM9us5dL3gdymsdrMy3MZqKEDcweg8zZXvFbdqQg/20B/ 0O5Hylk9NRvQ== X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="541571689" Received: from vkasired-desk2.fm.intel.com ([10.105.128.127]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 01:48:21 -0700 From: Vivek Kasireddy To: dri-devel@lists.freedesktop.org Subject: [PATCH 2/3] drm/virtio: Add VIRTIO_GPU_CMD_WAIT_FLUSH cmd Date: Tue, 11 May 2021 01:36:09 -0700 Message-Id: <20210511083610.367541-2-vivek.kasireddy@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210511083610.367541-1-vivek.kasireddy@intel.com> References: <20210511083610.367541-1-vivek.kasireddy@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vivek Kasireddy , Gerd Hoffmann Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This implements the hypercall interface for the wait_flush command. Cc: Gerd Hoffmann Signed-off-by: Vivek Kasireddy --- drivers/gpu/drm/virtio/virtgpu_drv.h | 4 ++++ drivers/gpu/drm/virtio/virtgpu_vq.c | 17 +++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d9dbc4f258f3..f77d196ccc8f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -403,6 +403,10 @@ virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev, struct drm_framebuffer *fb, uint32_t width, uint32_t height, uint32_t x, uint32_t y); +void virtio_gpu_cmd_wait_flush(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object_array *objs, + struct virtio_gpu_fence *fence); + /* virtgpu_display.c */ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev); diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index cf84d382dd41..0042a143e71e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -1307,3 +1307,20 @@ void virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev, virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); } + +void virtio_gpu_cmd_wait_flush(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object_array *objs, + struct virtio_gpu_fence *fence) +{ + struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]); + struct virtio_gpu_wait_flush *cmd_p; + struct virtio_gpu_vbuffer *vbuf; + + cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); + memset(cmd_p, 0, sizeof(*cmd_p)); + vbuf->objs = objs; + + cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_WAIT_FLUSH); + cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); + virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence); +}