From mboxrd@z Thu Jan 1 00:00:00 1970 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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 13E53C43387 for ; Wed, 19 Dec 2018 12:27:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFA3C204FD for ; Wed, 19 Dec 2018 12:27:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729020AbeLSM10 (ORCPT ); Wed, 19 Dec 2018 07:27:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51924 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728963AbeLSM1U (ORCPT ); Wed, 19 Dec 2018 07:27:20 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 47FD4C052504; Wed, 19 Dec 2018 12:27:19 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-117-174.ams2.redhat.com [10.36.117.174]) by smtp.corp.redhat.com (Postfix) with ESMTP id EFCD7608EE; Wed, 19 Dec 2018 12:27:12 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 2E40B41C84; Wed, 19 Dec 2018 13:27:10 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org, David Airlie Cc: Gerd Hoffmann , David Airlie , virtualization@lists.linux-foundation.org (open list:VIRTIO GPU DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 08/10] drm/virtio: drop fencing in virtio_gpu_resource_create_ioctl Date: Wed, 19 Dec 2018 13:27:06 +0100 Message-Id: <20181219122708.4586-9-kraxel@redhat.com> In-Reply-To: <20181219122708.4586-1-kraxel@redhat.com> References: <20181219122708.4586-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 19 Dec 2018 12:27:19 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no need to wait for completion here. Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 51 +--------------------------------- 1 file changed, 1 insertion(+), 50 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 52d6ec2dde..65ac61f86a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -279,10 +279,6 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, struct virtio_gpu_object *qobj; struct drm_gem_object *obj; uint32_t handle = 0; - struct list_head validate_list; - struct ttm_validate_buffer mainbuf; - struct virtio_gpu_fence *fence = NULL; - struct ww_acquire_ctx ticket; struct virtio_gpu_object_params params = { .pinned = false, }; @@ -300,9 +296,6 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, return -EINVAL; } - INIT_LIST_HEAD(&validate_list); - memset(&mainbuf, 0, sizeof(struct ttm_validate_buffer)); - params.format = rc->format; params.width = rc->width; params.height = rc->height; @@ -330,62 +323,20 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, ret = virtio_gpu_object_attach(vgdev, qobj, NULL); } else { - /* use a gem reference since unref list undoes them */ - drm_gem_object_get(&qobj->gem_base); - mainbuf.bo = &qobj->tbo; - list_add(&mainbuf.head, &validate_list); - - ret = virtio_gpu_object_list_validate(&ticket, &validate_list); - if (ret) { - DRM_DEBUG("failed to validate\n"); - goto fail_unref; - } - - fence = virtio_gpu_fence_alloc(vgdev); - if (!fence) { - ret = -ENOMEM; - goto fail_backoff; - } - virtio_gpu_cmd_resource_create_3d(vgdev, qobj, ¶ms); - ret = virtio_gpu_object_attach(vgdev, qobj, fence); - if (ret) { - dma_fence_put(&fence->f); - goto fail_backoff; - } - ttm_eu_fence_buffer_objects(&ticket, &validate_list, &fence->f); + ret = virtio_gpu_object_attach(vgdev, qobj, NULL); } ret = drm_gem_handle_create(file_priv, obj, &handle); if (ret) { - drm_gem_object_release(obj); - if (vgdev->has_virgl_3d) { - virtio_gpu_unref_list(&validate_list); - dma_fence_put(&fence->f); - } return ret; } drm_gem_object_put_unlocked(obj); rc->res_handle = qobj->hw_res_handle; /* similiar to a VM address */ rc->bo_handle = handle; - - if (vgdev->has_virgl_3d) { - virtio_gpu_unref_list(&validate_list); - dma_fence_put(&fence->f); - } return 0; -fail_backoff: - ttm_eu_backoff_reservation(&ticket, &validate_list); -fail_unref: - if (vgdev->has_virgl_3d) { - virtio_gpu_unref_list(&validate_list); - dma_fence_put(&fence->f); - } -//fail_obj: -// drm_gem_object_handle_unreference_unlocked(obj); - return ret; } static int virtio_gpu_resource_info_ioctl(struct drm_device *dev, void *data, -- 2.9.3