drm/ttm: Make sure system buffer objects has offset == 0.

This is a convention that the vmwgfx driver has come to rely on.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 7a64f07b1202..da3702135ada 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -426,7 +426,8 @@ moved:
                     bdev->man[bo->mem.mem_type].gpu_offset;
                 bo->cur_placement = bo->mem.placement;
                 spin_unlock(&bo->lock);
-        }
+        } else
+                bo->offset = 0;
 
         return 0;