diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_gem.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c index cfa0d27150bd..1feb7cee3f0d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_gem.c +++ b/drivers/gpu/drm/virtio/virtgpu_gem.c @@ -138,3 +138,44 @@ int virtio_gpu_mode_dumb_mmap(struct drm_file *file_priv, drm_gem_object_unreference_unlocked(gobj); return 0; } + +int virtio_gpu_gem_object_open(struct drm_gem_object *obj, + struct drm_file *file) +{ + struct virtio_gpu_device *vgdev = obj->dev->dev_private; + struct virtio_gpu_fpriv *vfpriv = file->driver_priv; + struct virtio_gpu_object *qobj = gem_to_virtio_gpu_obj(obj); + int r; + + if (!vgdev->has_virgl_3d) + return 0; + + r = virtio_gpu_object_reserve(qobj, false); + if (r) + return r; + + virtio_gpu_cmd_context_attach_resource(vgdev, vfpriv->ctx_id, + qobj->hw_res_handle); + virtio_gpu_object_unreserve(qobj); + return 0; +} + +void virtio_gpu_gem_object_close(struct drm_gem_object *obj, + struct drm_file *file) +{ + struct virtio_gpu_device *vgdev = obj->dev->dev_private; + struct virtio_gpu_fpriv *vfpriv = file->driver_priv; + struct virtio_gpu_object *qobj = gem_to_virtio_gpu_obj(obj); + int r; + + if (!vgdev->has_virgl_3d) + return; + + r = virtio_gpu_object_reserve(qobj, false); + if (r) + return; + + virtio_gpu_cmd_context_detach_resource(vgdev, vfpriv->ctx_id, + qobj->hw_res_handle); + virtio_gpu_object_unreserve(qobj); +} |