diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ioctl.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 677ac16c8a6d..7bdf6f0e58a5 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -83,6 +83,7 @@ static void virtio_gpu_unref_list(struct list_head *head) struct ttm_validate_buffer *buf; struct ttm_buffer_object *bo; struct virtio_gpu_object *qobj; + list_for_each_entry(buf, head, head) { bo = buf->bo; qobj = container_of(bo, struct virtio_gpu_object, tbo); @@ -481,6 +482,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, int ret; struct virtio_gpu_drv_cap_cache *cache_ent; void *ptr; + if (vgdev->num_capsets == 0) return -ENOSYS; @@ -523,6 +525,8 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, ret = wait_event_timeout(vgdev->resp_wq, atomic_read(&cache_ent->is_valid), 5 * HZ); + if (!ret) + return -EBUSY; ptr = cache_ent->caps_cache; @@ -535,33 +539,34 @@ copy_exit: struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = { DRM_IOCTL_DEF_DRV(VIRTGPU_MAP, virtio_gpu_map_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_EXECBUFFER, virtio_gpu_execbuffer_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_GETPARAM, virtio_gpu_getparam_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_CREATE, virtio_gpu_resource_create_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_RESOURCE_INFO, virtio_gpu_resource_info_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), /* make transfer async to the main ring? - no sure, can we - thread these in the underlying GL */ + * thread these in the underlying GL + */ DRM_IOCTL_DEF_DRV(VIRTGPU_TRANSFER_FROM_HOST, virtio_gpu_transfer_from_host_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_TRANSFER_TO_HOST, virtio_gpu_transfer_to_host_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_WAIT, virtio_gpu_wait_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(VIRTGPU_GET_CAPS, virtio_gpu_get_caps_ioctl, - DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_AUTH | DRM_UNLOCKED | DRM_RENDER_ALLOW), }; |