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-rw-r--r--linux-core/drm_bo.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 1ce86978..7033a8ba 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -1372,8 +1372,25 @@ static int drm_bo_mem_compat(struct drm_bo_mem_reg *mem)
return 1;
}
-/*
- * bo locked.
+/**
+ * drm_buffer_object_validate:
+ *
+ * @bo: the buffer object to modify
+ *
+ * @fence_class: the new fence class covering this buffer
+ *
+ * @move_unfenced: a boolean indicating whether switching the
+ * memory space of this buffer should cause the buffer to
+ * be placed on the unfenced list.
+ *
+ * @no_wait: whether this function should return -EBUSY instead
+ * of waiting.
+ *
+ * Change buffer access parameters. This can involve moving
+ * the buffer to the correct memory type, pinning the buffer
+ * or changing the class/type of fence covering this buffer
+ *
+ * Must be called with bo locked.
*/
static int drm_buffer_object_validate(struct drm_buffer_object *bo,
@@ -1503,7 +1520,7 @@ static int drm_buffer_object_validate(struct drm_buffer_object *bo,
}
/**
- * drm_bo_do_validate
+ * drm_bo_do_validate:
*
* @bo: the buffer object
*