/* * Copyright 2016-2023 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 * */ #include "dm_services.h" #include "dc.h" #include "mod_freesync.h" #include "core_types.h" #define MOD_FREESYNC_MAX_CONCURRENT_STREAMS … #define MIN_REFRESH_RANGE … /* Refresh rate ramp at a fixed rate of 65 Hz/second */ #define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME … /* Number of elements in the render times cache array */ #define RENDER_TIMES_MAX_COUNT … /* Threshold to exit/exit BTR (to avoid frequent enter-exits at the lower limit) */ #define BTR_MAX_MARGIN … /* Threshold to change BTR multiplier (to avoid frequent changes) */ #define BTR_DRIFT_MARGIN … /* Threshold to exit fixed refresh rate */ #define FIXED_REFRESH_EXIT_MARGIN_IN_HZ … /* Number of consecutive frames to check before entering/exiting fixed refresh */ #define FIXED_REFRESH_ENTER_FRAME_COUNT … #define FIXED_REFRESH_EXIT_FRAME_COUNT … /* Flip interval workaround constants */ #define VSYNCS_BETWEEN_FLIP_THRESHOLD … #define FREESYNC_CONSEC_FLIP_AFTER_VSYNC … #define FREESYNC_VSYNC_TO_FLIP_DELTA_IN_US … struct core_freesync { … }; #define MOD_FREESYNC_TO_CORE(mod_freesync) … struct mod_freesync *mod_freesync_create(struct dc *dc) { … } void mod_freesync_destroy(struct mod_freesync *mod_freesync) { … } #if 0 /* Unused currently */ static unsigned int calc_refresh_in_uhz_from_duration( unsigned int duration_in_ns) { unsigned int refresh_in_uhz = ((unsigned int)(div64_u64((1000000000ULL * 1000000), duration_in_ns))); return refresh_in_uhz; } #endif static unsigned int calc_duration_in_us_from_refresh_in_uhz( unsigned int refresh_in_uhz) { … } static unsigned int calc_duration_in_us_from_v_total( const struct dc_stream_state *stream, const struct mod_vrr_params *in_vrr, unsigned int v_total) { … } unsigned int mod_freesync_calc_v_total_from_refresh( const struct dc_stream_state *stream, unsigned int refresh_in_uhz) { … } static unsigned int calc_v_total_from_duration( const struct dc_stream_state *stream, const struct mod_vrr_params *vrr, unsigned int duration_in_us) { … } static void update_v_total_for_static_ramp( struct core_freesync *core_freesync, const struct dc_stream_state *stream, struct mod_vrr_params *in_out_vrr) { … } static void apply_below_the_range(struct core_freesync *core_freesync, const struct dc_stream_state *stream, unsigned int last_render_time_in_us, struct mod_vrr_params *in_out_vrr) { … } static void apply_fixed_refresh(struct core_freesync *core_freesync, const struct dc_stream_state *stream, unsigned int last_render_time_in_us, struct mod_vrr_params *in_out_vrr) { … } static void determine_flip_interval_workaround_req(struct mod_vrr_params *in_vrr, unsigned int curr_time_stamp_in_us) { … } static bool vrr_settings_require_update(struct core_freesync *core_freesync, struct mod_freesync_config *in_config, unsigned int min_refresh_in_uhz, unsigned int max_refresh_in_uhz, struct mod_vrr_params *in_vrr) { … } bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync, const struct dc_stream_state *stream, unsigned int *vmin, unsigned int *vmax) { … } bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync, struct dc_stream_state *stream, unsigned int *nom_v_pos, unsigned int *v_pos) { … } static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr, struct dc_info_packet *infopacket, bool freesync_on_desktop) { … } static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr, struct dc_info_packet *infopacket, bool freesync_on_desktop) { … } static void build_vrr_infopacket_fs2_data(enum color_transfer_func app_tf, struct dc_info_packet *infopacket) { … } static void build_vrr_infopacket_header_v1(enum signal_type signal, struct dc_info_packet *infopacket, unsigned int *payload_size) { … } static void build_vrr_infopacket_header_v2(enum signal_type signal, struct dc_info_packet *infopacket, unsigned int *payload_size) { … } static void build_vrr_infopacket_header_v3(enum signal_type signal, struct dc_info_packet *infopacket, unsigned int *payload_size) { … } static void build_vrr_infopacket_checksum(unsigned int *payload_size, struct dc_info_packet *infopacket) { … } static void build_vrr_infopacket_v1(enum signal_type signal, const struct mod_vrr_params *vrr, struct dc_info_packet *infopacket, bool freesync_on_desktop) { … } static void build_vrr_infopacket_v2(enum signal_type signal, const struct mod_vrr_params *vrr, enum color_transfer_func app_tf, struct dc_info_packet *infopacket, bool freesync_on_desktop) { … } static void build_vrr_infopacket_v3(enum signal_type signal, const struct mod_vrr_params *vrr, enum color_transfer_func app_tf, struct dc_info_packet *infopacket, bool freesync_on_desktop) { … } static void build_vrr_infopacket_sdp_v1_3(enum vrr_packet_type packet_type, struct dc_info_packet *infopacket) { … } void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync, const struct dc_stream_state *stream, const struct mod_vrr_params *vrr, enum vrr_packet_type packet_type, enum color_transfer_func app_tf, struct dc_info_packet *infopacket, bool pack_sdp_v1_3) { … } void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, const struct dc_stream_state *stream, struct mod_freesync_config *in_config, struct mod_vrr_params *in_out_vrr) { … } void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync, const struct dc_plane_state *plane, const struct dc_stream_state *stream, unsigned int curr_time_stamp_in_us, struct mod_vrr_params *in_out_vrr) { … } void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync, const struct dc_stream_state *stream, struct mod_vrr_params *in_out_vrr) { … } void mod_freesync_get_settings(struct mod_freesync *mod_freesync, const struct mod_vrr_params *vrr, unsigned int *v_total_min, unsigned int *v_total_max, unsigned int *event_triggers, unsigned int *window_min, unsigned int *window_max, unsigned int *lfc_mid_point_in_us, unsigned int *inserted_frames, unsigned int *inserted_duration_in_us) { … } unsigned long long mod_freesync_calc_nominal_field_rate( const struct dc_stream_state *stream) { … } unsigned long long mod_freesync_calc_field_rate_from_timing( unsigned int vtotal, unsigned int htotal, unsigned int pix_clk) { … } bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr) { … } bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz, uint32_t max_refresh_cap_in_uhz, uint32_t nominal_field_rate_in_uhz) { … }
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