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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_validation.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_validation.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
index f611b2290a1b..7bff3628fc54 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
@@ -521,6 +521,9 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo,
};
int ret;
+ if (atomic_read(&vbo->cpu_writers))
+ return -EBUSY;
+
if (vbo->pin_count > 0)
return 0;