From patchwork Mon Sep 21 09:40:16 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 7228721 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 72828BEEC1 for ; Mon, 21 Sep 2015 09:40:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 62E852070C for ; Mon, 21 Sep 2015 09:40:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 77E3C2078E for ; Mon, 21 Sep 2015 09:40:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B4167203E; Mon, 21 Sep 2015 02:40:35 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4E8F76E3F4 for ; Mon, 21 Sep 2015 02:40:32 -0700 (PDT) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id DE0E33B3C2; Mon, 21 Sep 2015 09:40:31 +0000 (UTC) Received: from nilsson.home.kraxel.org (ovpn-116-19.ams2.redhat.com [10.36.116.19]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t8L9eRn3019757; Mon, 21 Sep 2015 05:40:29 -0400 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id F2BC38281F; Mon, 21 Sep 2015 11:40:21 +0200 (CEST) From: Gerd Hoffmann To: dri-devel@redhat.com Subject: [PATCH v2 5/6] virtio-gpu: add basic prime support Date: Mon, 21 Sep 2015 11:40:16 +0200 Message-Id: <1442828417-6165-6-git-send-email-kraxel@redhat.com> In-Reply-To: <1442828417-6165-1-git-send-email-kraxel@redhat.com> References: <1442828417-6165-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 Cc: open list , "open list:VIRTIO GPU DRIVER" , "open list:VIRTIO GPU DRIVER" , Dave Airlie X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dave Airlie This is enough to enable DRI3. Signed-off-by: Dave Airlie Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/virtio/Makefile | 2 +- drivers/gpu/drm/virtio/virtgpu_drv.c | 13 +++++- drivers/gpu/drm/virtio/virtgpu_drv.h | 12 ++++++ drivers/gpu/drm/virtio/virtgpu_prime.c | 72 ++++++++++++++++++++++++++++++++++ 4 files changed, 97 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/virtio/virtgpu_prime.c diff --git a/drivers/gpu/drm/virtio/Makefile b/drivers/gpu/drm/virtio/Makefile index da7bf19..3fb8eac 100644 --- a/drivers/gpu/drm/virtio/Makefile +++ b/drivers/gpu/drm/virtio/Makefile @@ -7,6 +7,6 @@ ccflags-y := -Iinclude/drm virtio-gpu-y := virtgpu_drv.o virtgpu_kms.o virtgpu_drm_bus.o virtgpu_gem.o \ virtgpu_fb.o virtgpu_display.o virtgpu_vq.o virtgpu_ttm.o \ virtgpu_fence.o virtgpu_object.o virtgpu_debugfs.o virtgpu_plane.o \ - virtgpu_ioctl.o + virtgpu_ioctl.o virtgpu_prime.o obj-$(CONFIG_DRM_VIRTIO_GPU) += virtio-gpu.o diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index 957e455..1245d09 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -113,7 +113,7 @@ static const struct file_operations virtio_gpu_driver_fops = { static struct drm_driver driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM, + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, .set_busid = drm_virtio_set_busid, .load = virtio_gpu_driver_load, .unload = virtio_gpu_driver_unload, @@ -128,6 +128,17 @@ static struct drm_driver driver = { .debugfs_init = virtio_gpu_debugfs_init, .debugfs_cleanup = virtio_gpu_debugfs_takedown, #endif + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_export = drm_gem_prime_export, + .gem_prime_import = drm_gem_prime_import, + .gem_prime_pin = virtgpu_gem_prime_pin, + .gem_prime_unpin = virtgpu_gem_prime_unpin, + .gem_prime_get_sg_table = virtgpu_gem_prime_get_sg_table, + .gem_prime_import_sg_table = virtgpu_gem_prime_import_sg_table, + .gem_prime_vmap = virtgpu_gem_prime_vmap, + .gem_prime_vunmap = virtgpu_gem_prime_vunmap, + .gem_prime_mmap = virtgpu_gem_prime_mmap, .gem_free_object = virtio_gpu_gem_free_object, .gem_open_object = virtio_gpu_gem_object_open, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 2719108..79f0abe 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -359,6 +359,18 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev, void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo); int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait); +/* virtgpu_prime.c */ +int virtgpu_gem_prime_pin(struct drm_gem_object *obj); +void virtgpu_gem_prime_unpin(struct drm_gem_object *obj); +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object *virtgpu_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *sgt); +void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj); +void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma); + static inline struct virtio_gpu_object* virtio_gpu_object_ref(struct virtio_gpu_object *bo) { diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c new file mode 100644 index 0000000..724c231 --- /dev/null +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -0,0 +1,72 @@ +/* + * Copyright 2014 Canonical + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Andreas Pokorny + */ + +#include "virtgpu_drv.h" + +/* Empty Implementations as there should not be any other driver for a virtual + * device that might share buffers with virtgpu */ + +int virtgpu_gem_prime_pin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} + +void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); +} + + +struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +struct drm_gem_object *virtgpu_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + WARN_ONCE(1, "not implemented"); +} + +int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *area) +{ + WARN_ONCE(1, "not implemented"); + return ENOSYS; +}