drm/ttm: remove unused paramter

remove the unsed the paramter in the function
ttm_bo_bounce_temp_buffer and ttm_bo_add_move_fence.
V2:rebase the patch on top of drm-misc-next (Christian)

Signed-off-by: Jesse Zhang <[e-mail]>
Reviewed-by: Christian König <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Signed-off-by: Christian König <[e-mail]>

drivers/gpu/drm/ttm/ttm_bo.c

···
 EXPORT_SYMBOL(ttm_bo_put);
 
 static int ttm_bo_bounce_temp_buffer(struct ttm_buffer_object *bo,
-				     struct ttm_resource **mem,
 				     struct ttm_operation_ctx *ctx,
 				     struct ttm_place *hop)
 {
···
 		if (ret != -EMULTIHOP)
 			break;
 
-		ret = ttm_bo_bounce_temp_buffer(bo, &evict_mem, ctx, &hop);
+		ret = ttm_bo_bounce_temp_buffer(bo, ctx, &hop);
 	} while (!ret);
 
 	if (ret) {
···
  */
 static int ttm_bo_add_move_fence(struct ttm_buffer_object *bo,
 				 struct ttm_resource_manager *man,
-				 struct ttm_resource *mem,
 				 bool no_wait_gpu)
 {
 	struct dma_fence *fence;
···
 		if (ret)
 			continue;
 
-		ret = ttm_bo_add_move_fence(bo, man, *res, ctx->no_wait_gpu);
+		ret = ttm_bo_add_move_fence(bo, man, ctx->no_wait_gpu);
 		if (unlikely(ret)) {
 			ttm_resource_free(bo, res);
 			if (ret == -EBUSY)
···
 bounce:
 		ret = ttm_bo_handle_move_mem(bo, res, false, ctx, &hop);
 		if (ret == -EMULTIHOP) {
-			ret = ttm_bo_bounce_temp_buffer(bo, &res, ctx, &hop);
+			ret = ttm_bo_bounce_temp_buffer(bo, ctx, &hop);
 			/* try and move to final place now. */
 			if (!ret)
 				goto bounce;