1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index ab34190859a8..f1a55d1888cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -384,9 +384,15 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo,
                         struct ttm_mem_reg *new_mem)
 {
         struct amdgpu_device *adev;
+        struct amdgpu_bo *abo;
         struct ttm_mem_reg *old_mem = &bo->mem;
         int r;
 
+        /* Can't move a pinned BO */
+        abo = container_of(bo, struct amdgpu_bo, tbo);
+        if (WARN_ON_ONCE(abo->pin_count > 0))
+                return -EINVAL;
+
         adev = amdgpu_get_adev(bo->bdev);
         if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
                 amdgpu_move_null(bo, new_mem);