/*
* Copyright 2016 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 MOD_FREESYNC_H_
#define MOD_FREESYNC_H_
#include "mod_shared.h"
// Access structures
struct mod_freesync {
int dummy;
};
// TODO: References to this should be removed
struct mod_freesync_caps {
bool supported;
unsigned int min_refresh_in_micro_hz;
unsigned int max_refresh_in_micro_hz;
};
enum mod_vrr_state {
VRR_STATE_UNSUPPORTED = 0 ,
VRR_STATE_DISABLED,
VRR_STATE_INACTIVE,
VRR_STATE_ACTIVE_VARIABLE,
VRR_STATE_ACTIVE_FIXED
};
struct mod_freesync_config {
enum mod_vrr_state state;
bool vsif_supported;
bool ramping;
bool btr;
unsigned int min_refresh_in_uhz;
unsigned int max_refresh_in_uhz;
unsigned int fixed_refresh_in_uhz;
};
struct mod_vrr_params_btr {
bool btr_enabled;
bool btr_active;
uint32_t mid_point_in_us;
uint32_t inserted_duration_in_us;
uint32_t frames_to_insert;
uint32_t frame_counter;
uint32_t margin_in_us;
};
struct mod_vrr_params_fixed_refresh {
bool fixed_active;
bool ramping_active;
bool ramping_done;
uint32_t target_refresh_in_uhz;
uint32_t frame_counter;
};
struct mod_vrr_params_flip_interval {
bool flip_interval_workaround_active;
bool program_flip_interval_workaround;
bool do_flip_interval_workaround_cleanup;
uint32_t flip_interval_detect_counter;
uint32_t vsyncs_between_flip;
uint32_t vsync_to_flip_in_us;
uint32_t v_update_timestamp_in_us;
};
struct mod_vrr_params {
bool supported;
bool send_info_frame;
enum mod_vrr_state state;
uint32_t min_refresh_in_uhz;
uint32_t max_duration_in_us;
uint32_t max_refresh_in_uhz;
uint32_t min_duration_in_us;
uint32_t fixed_refresh_in_uhz;
struct dc_crtc_timing_adjust adjust;
struct mod_vrr_params_fixed_refresh fixed;
struct mod_vrr_params_btr btr;
struct mod_vrr_params_flip_interval flip_interval;
};
struct mod_freesync *mod_freesync_create(struct dc *dc);
void mod_freesync_destroy(struct mod_freesync *mod_freesync);
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);
unsigned long long mod_freesync_calc_nominal_field_rate(
const struct dc_stream_state *stream);
unsigned int mod_freesync_calc_v_total_from_refresh(
const struct dc_stream_state *stream,
unsigned int refresh_in_uhz);
// Returns true when FreeSync is supported and enabled (even if it is inactive)
bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr);
#endif
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-06)
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