[PATCH] drm/nouveau: fix move notify callback

[John Doe]

On vram buffer eviction the ttm_bo_move_accel_cleanup will the
mm_node field of struct ttm_mem_reg of new_mem placement to NULL.
As move notify call back is now call after ttm_bo_move_accel_cleanup
it was using NULL ptr for mm_node.

Signed-off-by: Jerome Glisse <jglisse at redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c 
b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 724b41a..3a9d978 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -814,13 +814,13 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct 
ttm_mem_reg *new_mem)

        list_for_each_entry(vma, &nvbo->vma_list, head) {
                if (new_mem && new_mem->mem_type == TTM_PL_VRAM) {
-                       nouveau_vm_map(vma, new_mem->mm_node);
+                       nouveau_vm_map(vma, bo->mem.mm_node);
                } else
                if (new_mem && new_mem->mem_type == TTM_PL_TT &&
                    nvbo->page_shift == vma->vm->spg_shift) {
                        nouveau_vm_map_sg(vma, 0, new_mem->
                                          num_pages << PAGE_SHIFT,
-                                         new_mem->mm_node);
+                                         bo->mem.mm_node);
                } else {
                        nouveau_vm_unmap(vma);
                }
-- 
1.7.7.6


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