diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_stream_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_stream_priv.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream_priv.h b/drivers/gpu/drm/amd/display/dc/dc_stream_priv.h index 7476fd52ce2b..ca37eac20986 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream_priv.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream_priv.h @@ -34,4 +34,42 @@ 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_ |