drm/ttm: remove move to new and inline into remainging place.

This show the remaining bind callback, which my next series of
patches will aim to remove.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020010319.1692445-6-airlied@gmail.com

drivers/gpu/drm/ttm/ttm_bo.c

@@ -252,9 +252,15 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 		if (ret)
 			goto out_err;
 
-		ret = ttm_bo_move_to_new_tt_mem(bo, ctx, mem);
-		if (ret)
-			goto out_err;
+		if (mem->mem_type != TTM_PL_SYSTEM) {
+			ret = ttm_tt_populate(bo->bdev, bo->ttm, ctx);
+			if (ret)
+				goto out_err;
+
+			ret = bdev->driver->ttm_tt_bind(bo->bdev, bo->ttm, mem);
+			if (ret)
+				goto out_err;
+		}
 	}
 
 	if (bdev->driver->move_notify)
@@ -1492,7 +1498,3 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
 	bo->ttm = NULL;
 }
 
-int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem)
-{
-	return bo->bdev->driver->ttm_tt_bind(bo->bdev, bo->ttm, mem);
-}

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -45,26 +45,6 @@ struct ttm_transfer_obj {
 	struct ttm_buffer_object *bo;
 };
 
-int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
-			      struct ttm_operation_ctx *ctx,
-			      struct ttm_resource *new_mem)
-{
-	int ret;
-
-	if (new_mem->mem_type == TTM_PL_SYSTEM)
-		return 0;
-
-	ret = ttm_tt_populate(bo->bdev, bo->ttm, ctx);
-	if (unlikely(ret != 0))
-		return ret;
-
-	ret = ttm_bo_tt_bind(bo, new_mem);
-	if (unlikely(ret != 0))
-		return ret;
-
-	return 0;
-}
-
 int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
 		       struct ttm_resource *mem)
 {

include/drm/ttm/ttm_bo_driver.h

@@ -560,10 +560,6 @@ int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
 void ttm_mem_io_free(struct ttm_bo_device *bdev,
 		     struct ttm_resource *mem);
 
-int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
-			      struct ttm_operation_ctx *ctx,
-			      struct ttm_resource *new_mem);
-
 /**
  * ttm_bo_move_memcpy
  *