From 4c8e8e0d0bad839cf5aacb22524885e49fe86715 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 26 Aug 2008 17:33:46 +1000
Subject: drm: add memory clean flag.

When the mapping is clean this flag will be set. This can be used
by a driver to save migrating and allocating pages for an object
that will first be used in VRAM.
---
 linux-core/drm_bo_move.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'linux-core/drm_bo_move.c')

diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c
index 5c290af2..e81967fd 100644
--- a/linux-core/drm_bo_move.c
+++ b/linux-core/drm_bo_move.c
@@ -562,6 +562,9 @@ int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page,
 	if (ret)
 		return ret;
 
+	/* clear the clean flags */
+	bo->mem.flags &= ~DRM_BO_FLAG_CLEAN;
+
 	if (bus_size == 0) {
 		return drm_bo_kmap_ttm(bo, start_page, num_pages, map);
 	} else {
-- 
cgit v1.2.3