[PATCH 29/45] drm/ttm: don't expose move old to system helper to drivers.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

This is just used internally by fallback paths.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo_util.c | 22 ----------------------
 include/drm/ttm/ttm_bo_driver.h   |  2 --
 2 files changed, 24 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 05768decb24c..e9a10f5280b6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -66,28 +66,6 @@ int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
 }
 EXPORT_SYMBOL(ttm_bo_move_to_new_tt_mem);
 
-int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
-			      struct ttm_operation_ctx *ctx)
-{
-	struct ttm_resource *old_mem = &bo->mem;
-	int ret;
-
-	if (old_mem->mem_type == TTM_PL_SYSTEM)
-		return 0;
-
-	ret = ttm_bo_wait_ctx(bo, ctx);
-	if (unlikely(ret != 0)) {
-		if (ret != -ERESTARTSYS)
-			pr_err("Failed to expire sync object before unbinding TTM\n");
-		return ret;
-	}
-
-	ttm_resource_free(bo, &bo->mem);
-	old_mem->mem_type = TTM_PL_SYSTEM;
-	return 0;
-}
-EXPORT_SYMBOL(ttm_bo_move_old_to_system);
-
 int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
 		       struct ttm_resource *mem)
 {
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index e400dbd2a143..cfb151dbb2d0 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -559,8 +559,6 @@ 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_old_to_system(struct ttm_buffer_object *bo,
-			      struct ttm_operation_ctx *ctx);
 int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
 			      struct ttm_operation_ctx *ctx,
 			      struct ttm_resource *new_mem);
-- 
2.27.0