drm/virtio: drop virtio_gpu_object_list_validate/virtio_gpu_unref_list

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190829103301.3539-14-kraxel@redhat.com

drivers/gpu/drm/virtio/virtgpu_drv.h

@@ -223,9 +223,6 @@ struct virtio_gpu_fpriv {
 /* virtio_ioctl.c */
 #define DRM_VIRTIO_NUM_IOCTLS 10
 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS];
-int virtio_gpu_object_list_validate(struct ww_acquire_ctx *ticket,
-				    struct list_head *head);
-void virtio_gpu_unref_list(struct list_head *head);
 
 /* virtio_kms.c */
 int virtio_gpu_init(struct drm_device *dev);

drivers/gpu/drm/virtio/virtgpu_ioctl.c

@@ -56,45 +56,6 @@ static int virtio_gpu_map_ioctl(struct drm_device *dev, void *data,
 					 &virtio_gpu_map->offset);
 }
 
-int virtio_gpu_object_list_validate(struct ww_acquire_ctx *ticket,
-				    struct list_head *head)
-{
-	struct ttm_operation_ctx ctx = { false, false };
-	struct ttm_validate_buffer *buf;
-	struct ttm_buffer_object *bo;
-	struct virtio_gpu_object *qobj;
-	int ret;
-
-	ret = ttm_eu_reserve_buffers(ticket, head, true, NULL, true);
-	if (ret != 0)
-		return ret;
-
-	list_for_each_entry(buf, head, head) {
-		bo = buf->bo;
-		qobj = container_of(bo, struct virtio_gpu_object, tbo);
-		ret = ttm_bo_validate(bo, &qobj->placement, &ctx);
-		if (ret) {
-			ttm_eu_backoff_reservation(ticket, head);
-			return ret;
-		}
-	}
-	return 0;
-}
-
-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);
-
-		drm_gem_object_put_unlocked(&qobj->gem_base);
-	}
-}
-
 /*
  * Usage of execbuffer:
  * Relocations need to take into account the full VIRTIO_GPUDrawable size.