diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_vq.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_vq.c | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 4e2e037aed34..51bef1775e47 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -38,26 +38,6 @@ + MAX_INLINE_CMD_SIZE \ + MAX_INLINE_RESP_SIZE) -void virtio_gpu_resource_id_get(struct virtio_gpu_device *vgdev, - uint32_t *resid) -{ - int handle; - - idr_preload(GFP_KERNEL); - spin_lock(&vgdev->resource_idr_lock); - handle = idr_alloc(&vgdev->resource_idr, NULL, 1, 0, GFP_NOWAIT); - spin_unlock(&vgdev->resource_idr_lock); - idr_preload_end(); - *resid = handle; -} - -void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t id) -{ - spin_lock(&vgdev->resource_idr_lock); - idr_remove(&vgdev->resource_idr, id); - spin_unlock(&vgdev->resource_idr_lock); -} - void virtio_gpu_ctrl_ack(struct virtqueue *vq) { struct drm_device *dev = vq->vdev->priv; @@ -98,10 +78,9 @@ virtio_gpu_get_vbuf(struct virtio_gpu_device *vgdev, { struct virtio_gpu_vbuffer *vbuf; - vbuf = kmem_cache_alloc(vgdev->vbufs, GFP_KERNEL); + vbuf = kmem_cache_zalloc(vgdev->vbufs, GFP_KERNEL); if (!vbuf) return ERR_PTR(-ENOMEM); - memset(vbuf, 0, VBUFFER_SIZE); BUG_ON(size > MAX_INLINE_CMD_SIZE); vbuf->buf = (void *)vbuf + sizeof(*vbuf); @@ -388,7 +367,7 @@ retry: /* create a basic resource */ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, - uint32_t resource_id, + struct virtio_gpu_object *bo, uint32_t format, uint32_t width, uint32_t height) @@ -400,12 +379,13 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, memset(cmd_p, 0, sizeof(*cmd_p)); cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_2D); - cmd_p->resource_id = cpu_to_le32(resource_id); + cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); cmd_p->format = cpu_to_le32(format); cmd_p->width = cpu_to_le32(width); cmd_p->height = cpu_to_le32(height); virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); + bo->created = true; } void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev, @@ -772,6 +752,7 @@ void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object *bo, struct virtio_gpu_resource_create_3d *rc_3d, struct virtio_gpu_fence **fence) { @@ -786,6 +767,7 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, cmd_p->hdr.flags = 0; virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, &cmd_p->hdr, fence); + bo->created = true; } void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, @@ -861,7 +843,6 @@ void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev, int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *obj, - uint32_t resource_id, struct virtio_gpu_fence **fence) { bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); @@ -869,6 +850,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, struct scatterlist *sg; int si, nents; + if (!obj->created) + return 0; + if (!obj->pages) { int ret; @@ -902,10 +886,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, ents[si].padding = 0; } - virtio_gpu_cmd_resource_attach_backing(vgdev, resource_id, + virtio_gpu_cmd_resource_attach_backing(vgdev, obj->hw_res_handle, ents, nents, fence); - obj->hw_res_handle = resource_id; return 0; } |