/*
* 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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