[PATCH] drm/amdgpu: Mark amdgpu_bo as invalid after moved

[YuanShang]

It leads to race condition if amdgpu_bo is marked as invalid
before it is really moved.

Signed-off-by: YuanShang <yuanshang....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 29e4b5875872..a29d5132ad3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -519,8 +519,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
 
        if (!old_mem || (old_mem->mem_type == TTM_PL_SYSTEM &&
                         bo->ttm == NULL)) {
-               amdgpu_bo_move_notify(bo, evict, new_mem);
                ttm_bo_move_null(bo, new_mem);
+               amdgpu_bo_move_notify(bo, evict, new_mem);
                return 0;
        }
        if (old_mem->mem_type == AMDGPU_GEM_DOMAIN_DGMA ||
@@ -530,8 +530,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
        if (old_mem->mem_type == TTM_PL_SYSTEM &&
            (new_mem->mem_type == TTM_PL_TT ||
             new_mem->mem_type == AMDGPU_PL_PREEMPT)) {
-               amdgpu_bo_move_notify(bo, evict, new_mem);
                ttm_bo_move_null(bo, new_mem);
+               amdgpu_bo_move_notify(bo, evict, new_mem);
                return 0;
        }
        if ((old_mem->mem_type == TTM_PL_TT ||
@@ -542,9 +542,9 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
                        return r;
 
                amdgpu_ttm_backend_unbind(bo->bdev, bo->ttm);
-               amdgpu_bo_move_notify(bo, evict, new_mem);
                ttm_resource_free(bo, &bo->resource);
                ttm_bo_assign_mem(bo, new_mem);
+               amdgpu_bo_move_notify(bo, evict, new_mem);
                return 0;
        }
 
@@ -557,8 +557,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
            new_mem->mem_type == AMDGPU_PL_OA ||
            new_mem->mem_type == AMDGPU_PL_DOORBELL) {
                /* Nothing to save here */
-               amdgpu_bo_move_notify(bo, evict, new_mem);
                ttm_bo_move_null(bo, new_mem);
+               amdgpu_bo_move_notify(bo, evict, new_mem);
                return 0;
        }
 
@@ -583,11 +583,11 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
                return -EMULTIHOP;
        }
 
-       amdgpu_bo_move_notify(bo, evict, new_mem);
        if (adev->mman.buffer_funcs_enabled)
                r = amdgpu_move_blit(bo, evict, new_mem, old_mem);
        else
                r = -ENODEV;
+       amdgpu_bo_move_notify(bo, evict, new_mem);
 
        if (r) {
                /* Check that all memory is CPU accessible */
-- 
2.25.1