[PATCH 2/4] drm/ttm: zero allocation only for CPU domain

[david1.zhou at amd.com]

From: Chunming Zhou <David1.Zhou at amd.com>

Change-Id: I653d61e32faaa11c39bb978bf90301513a0c35b8
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 745e996..0633b65 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -301,6 +301,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 	if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) {
 		if (bo->ttm == NULL) {
 			bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED);
+			zero = (mem->mem_type == TTM_PL_SYSTEM) ? zero : false;
 			ret = ttm_bo_add_ttm(bo, zero);
 			if (ret)
 				goto out_err;
-- 
1.9.1