drm/virtio: remove ttm_pool_* wrappers

TTM calls the default implementation now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/virtio/virtgpu_ttm.c

@@ -324,20 +324,6 @@ static struct ttm_backend_func virtio_gpu_backend_func = {
 	.destroy = &virtio_gpu_ttm_backend_destroy,
 };
 
-static int virtio_gpu_ttm_tt_populate(struct ttm_tt *ttm,
-		struct ttm_operation_ctx *ctx)
-{
-	if (ttm->state != tt_unpopulated)
-		return 0;
-
-	return ttm_pool_populate(ttm, ctx);
-}
-
-static void virtio_gpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
-{
-	ttm_pool_unpopulate(ttm);
-}
-
 static struct ttm_tt *virtio_gpu_ttm_tt_create(struct ttm_bo_device *bdev,
 					       unsigned long size,
 					       uint32_t page_flags,
@@ -421,8 +407,6 @@ static void virtio_gpu_bo_swap_notify(struct ttm_buffer_object *tbo)
 
 static struct ttm_bo_driver virtio_gpu_bo_driver = {
 	.ttm_tt_create = &virtio_gpu_ttm_tt_create,
-	.ttm_tt_populate = &virtio_gpu_ttm_tt_populate,
-	.ttm_tt_unpopulate = &virtio_gpu_ttm_tt_unpopulate,
 	.invalidate_caches = &virtio_gpu_invalidate_caches,
 	.init_mem_type = &virtio_gpu_init_mem_type,
 	.eviction_valuable = ttm_bo_eviction_valuable,