drm/ttm: introduce utility function to free an allocated memory node
Existing core code/drivers call drm_mm_put_block on ttm_mem_reg.mm_node
directly. Future patches will modify TTM behaviour in such a way that
ttm_mem_reg.mm_node doesn't necessarily belong to drm_mm.
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Thomas Hellström <thellstrom@vmware.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index b875042..6c694d8 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -649,6 +649,10 @@
struct ttm_mem_reg *mem,
bool interruptible,
bool no_wait_reserve, bool no_wait_gpu);
+
+extern void ttm_bo_mem_put(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem);
+
/**
* ttm_bo_wait_for_cpu
*