/*
* Copyright 2023 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef _DC_STREAM_PRIV_H_
#define _DC_STREAM_PRIV_H_
#include "dc_stream.h"
bool dc_stream_construct(struct dc_stream_state *stream,
struct dc_sink *dc_sink_data);
void dc_stream_destruct(struct dc_stream_state *stream);
void dc_stream_assign_stream_id(struct dc_stream_state *stream);
/*
* Finds the highest refresh rate that can be achieved
* from starting_freq while staying within flicker criteria
*/
int dc_stream_calculate_max_flickerless_refresh_rate(struct dc_stream_state *stream,
int starting_refresh_hz,
bool is_gaming);
/*
* Finds the lowest refresh rate that can be achieved
* from starting_freq while staying within flicker criteria
*/
int dc_stream_calculate_min_flickerless_refresh_rate(struct dc_stream_state *stream,
int starting_refresh_hz,
bool is_gaming);
/*
* Determines if there will be a flicker when moving between 2 refresh rates
*/
bool dc_stream_is_refresh_rate_range_flickerless(struct dc_stream_state *stream,
int hz1,
int hz2,
bool is_gaming);
/*
* Determines the max instant vtotal delta increase that can be applied without
* flickering for a given stream
*/
unsigned int dc_stream_get_max_flickerless_instant_vtotal_decrease(struct dc_stream_state *stream,
bool is_gaming);
/*
* Determines the max instant vtotal delta decrease that can be applied without
* flickering for a given stream
*/
unsigned int dc_stream_get_max_flickerless_instant_vtotal_increase(struct dc_stream_state *stream,
bool is_gaming);
#endif // _DC_STREAM_PRIV_H_
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