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diff --git a/msm8909/sdm/include/private/partial_update_interface.h b/msm8909/sdm/include/private/partial_update_interface.h
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+/*
+* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without modification, are permitted
+* provided that the following conditions are met:
+*    * Redistributions of source code must retain the above copyright notice, this list of
+*      conditions and the following disclaimer.
+*    * Redistributions in binary form must reproduce the above copyright notice, this list of
+*      conditions and the following disclaimer in the documentation and/or other materials provided
+*      with the distribution.
+*    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
+*      endorse or promote products derived from this software without specific prior written
+*      permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __PARTIAL_UPDATE_INTERFACE_H__
+#define __PARTIAL_UPDATE_INTERFACE_H__
+
+#include <core/display_interface.h>
+#include <core/buffer_allocator.h>
+#include <core/buffer_sync_handler.h>
+
+#include "hw_info_types.h"
+
+namespace sdm {
+
+struct PUConstraints {
+  bool enable = true;             //!< If this is set, PU will be enabled or it will be disabled
+  bool enable_cursor_pu = false;  //!< If this is set, PU will consider cursor layer in the layer
+                                   //!< stack for cursor partial update
+};
+
+class PartialUpdateInterface {
+ public:
+  virtual DisplayError Start(const PUConstraints &pu_constraints) = 0;
+  virtual DisplayError GenerateROI(HWLayersInfo *hw_layers_info) = 0;
+  virtual DisplayError Stop() = 0;
+
+ protected:
+  virtual ~PartialUpdateInterface() { }
+};
+
+}  // namespace sdm
+
+#endif  // __PARTIAL_UPDATE_INTERFACE_H__
+