static int virtio_gpu_crtc_cursor_set(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
uint32_t width,
uint32_t height,
int32_t hot_x, int32_t hot_y)
{
struct virtio_gpu_device *vgdev = crtc->dev->dev_private;
struct virtio_gpu_output *output =
container_of(crtc, struct virtio_gpu_output, crtc);
struct drm_gem_object *gobj = NULL;
struct virtio_gpu_object *qobj = NULL;
struct virtio_gpu_fence *fence = NULL;
int ret = 0;
if (handle == 0) {
virtio_gpu_hide_cursor(vgdev, output);
return 0;
}
/* lookup the cursor */
gobj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
if (gobj == NULL)
return -ENOENT;
qobj = gem_to_virtio_gpu_obj(gobj);
if (!qobj->hw_res_handle) {
ret = -EINVAL;
goto out;
}
virtio_gpu_cmd_transfer_to_host_2d(vgdev, qobj->hw_res_handle, 0,
cpu_to_le32(64),
cpu_to_le32(64),
0, 0, &fence);
ret = virtio_gpu_object_reserve(qobj, false);
if (!ret) {
reservation_object_add_excl_fence(qobj->tbo.resv,
&fence->f);
fence_put(&fence->f);
virtio_gpu_object_unreserve(qobj);
virtio_gpu_object_wait(qobj, false);
}
output->cursor.hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_UPDATE_CURSOR);
output->cursor.resource_id = cpu_to_le32(qobj->hw_res_handle);
output->cursor.hot_x = cpu_to_le32(hot_x);
output->cursor.hot_y = cpu_to_le32(hot_y);
virtio_gpu_cursor_ping(vgdev, output);
ret = 0;
out:
drm_gem_object_unreference_unlocked(gobj);
return ret;
}
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);
}
