2 * Copyright 2012-2023 Advanced Micro Devices, Inc.
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26 #ifndef DC_INTERFACE_H_
27 #define DC_INTERFACE_H_
32 #include "grph_object_defs.h"
33 #include "logger_types.h"
34 #include "hdcp_msg_types.h"
35 #include "gpio_types.h"
36 #include "link_service_types.h"
37 #include "grph_object_ctrl_defs.h"
38 #include <inc/hw/opp.h>
40 #include "hwss/hw_sequencer.h"
41 #include "inc/compressor.h"
42 #include "inc/hw/dmcu.h"
43 #include "dml/display_mode_lib.h"
45 #include "dml2/dml2_wrapper.h"
47 struct abm_save_restore;
49 /* forward declaration */
51 struct set_config_cmd_payload;
52 struct dmub_notification;
54 #define DC_VER "3.2.266"
56 #define MAX_SURFACES 3
59 #define MIN_VIEWPORT_SIZE 12
62 /* Display Core Interfaces */
65 struct dmcu_version dmcu_version;
68 enum dp_protocol_version {
75 DC_PLANE_TYPE_INVALID,
76 DC_PLANE_TYPE_DCE_RGB,
77 DC_PLANE_TYPE_DCE_UNDERLAY,
78 DC_PLANE_TYPE_DCN_UNIVERSAL,
81 // Sizes defined as multiples of 64KB
92 enum dc_plane_type type;
93 uint32_t per_pixel_alpha : 1;
95 uint32_t argb8888 : 1;
100 } pixel_format_support;
101 // max upscaling factor x1000
102 // upscaling factors are always >= 1
103 // for example, 1080p -> 8K is 4.0, or 4000 raw value
108 } max_upscale_factor;
109 // max downscale factor x1000
110 // downscale factors are always <= 1
111 // for example, 8K -> 1080p is 0.25, or 250 raw value
116 } max_downscale_factor;
117 // minimal width/height
123 * DOC: color-management-caps
125 * **Color management caps (DPP and MPC)**
127 * Modules/color calculates various color operations which are translated to
128 * abstracted HW. DCE 5-12 had almost no important changes, but starting with
129 * DCN1, every new generation comes with fairly major differences in color
130 * pipeline. Therefore, we abstract color pipe capabilities so modules/DM can
131 * decide mapping to HW block based on logical capabilities.
135 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma
136 * @srgb: RGB color space transfer func
137 * @bt2020: BT.2020 transfer func
138 * @gamma2_2: standard gamma
139 * @pq: perceptual quantizer transfer function
140 * @hlg: hybrid log–gamma transfer function
142 struct rom_curve_caps {
145 uint16_t gamma2_2 : 1;
151 * struct dpp_color_caps - color pipeline capabilities for display pipe and
154 * @dcn_arch: all DCE generations treated the same
155 * @input_lut_shared: shared with DGAM. Input LUT is different than most LUTs,
156 * just plain 256-entry lookup
157 * @icsc: input color space conversion
158 * @dgam_ram: programmable degamma LUT
159 * @post_csc: post color space conversion, before gamut remap
160 * @gamma_corr: degamma correction
161 * @hw_3d_lut: 3D LUT support. It implies a shaper LUT before. It may be shared
162 * with MPC by setting mpc:shared_3d_lut flag
163 * @ogam_ram: programmable out/blend gamma LUT
164 * @ocsc: output color space conversion
165 * @dgam_rom_for_yuv: pre-defined degamma LUT for YUV planes
166 * @dgam_rom_caps: pre-definied curve caps for degamma 1D LUT
167 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT
169 * Note: hdr_mult and gamut remap (CTM) are always available in DPP (in that order)
171 struct dpp_color_caps {
172 uint16_t dcn_arch : 1;
173 uint16_t input_lut_shared : 1;
175 uint16_t dgam_ram : 1;
176 uint16_t post_csc : 1;
177 uint16_t gamma_corr : 1;
178 uint16_t hw_3d_lut : 1;
179 uint16_t ogam_ram : 1;
181 uint16_t dgam_rom_for_yuv : 1;
182 struct rom_curve_caps dgam_rom_caps;
183 struct rom_curve_caps ogam_rom_caps;
187 * struct mpc_color_caps - color pipeline capabilities for multiple pipe and
188 * plane combined blocks
190 * @gamut_remap: color transformation matrix
191 * @ogam_ram: programmable out gamma LUT
192 * @ocsc: output color space conversion matrix
193 * @num_3dluts: MPC 3D LUT; always assumes a preceding shaper LUT
194 * @shared_3d_lut: shared 3D LUT flag. Can be either DPP or MPC, but single
196 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT
198 struct mpc_color_caps {
199 uint16_t gamut_remap : 1;
200 uint16_t ogam_ram : 1;
202 uint16_t num_3dluts : 3;
203 uint16_t shared_3d_lut:1;
204 struct rom_curve_caps ogam_rom_caps;
208 * struct dc_color_caps - color pipes capabilities for DPP and MPC hw blocks
209 * @dpp: color pipes caps for DPP
210 * @mpc: color pipes caps for MPC
212 struct dc_color_caps {
213 struct dpp_color_caps dpp;
214 struct mpc_color_caps mpc;
217 struct dc_dmub_caps {
225 uint32_t max_streams;
228 uint32_t max_slave_planes;
229 uint32_t max_slave_yuv_planes;
230 uint32_t max_slave_rgb_planes;
232 uint32_t max_downscale_ratio;
233 uint32_t i2c_speed_in_khz;
234 uint32_t i2c_speed_in_khz_hdcp;
235 uint32_t dmdata_alloc_size;
236 unsigned int max_cursor_size;
237 unsigned int max_video_width;
239 * max video plane width that can be safely assumed to be always
240 * supported by single DPP pipe.
242 unsigned int max_optimizable_video_width;
243 unsigned int min_horizontal_blanking_period;
244 int linear_pitch_alignment;
245 bool dcc_const_color;
249 bool post_blend_color_processing;
250 bool force_dp_tps4_for_cp2520;
251 bool disable_dp_clk_share;
252 bool psp_setup_panel_mode;
253 bool extended_aux_timeout_support;
257 uint32_t num_of_internal_disp;
258 enum dp_protocol_version max_dp_protocol_version;
259 unsigned int mall_size_per_mem_channel;
260 unsigned int mall_size_total;
261 unsigned int cursor_cache_size;
262 struct dc_plane_cap planes[MAX_PLANES];
263 struct dc_color_caps color;
264 struct dc_dmub_caps dmub_caps;
266 bool dp_hdmi21_pcon_support;
267 bool edp_dsc_support;
268 bool vbios_lttpr_aware;
269 bool vbios_lttpr_enable;
270 uint32_t max_otg_num;
271 uint32_t max_cab_allocation_bytes;
272 uint32_t cache_line_size;
273 uint32_t cache_num_ways;
274 uint16_t subvp_fw_processing_delay_us;
275 uint8_t subvp_drr_max_vblank_margin_us;
276 uint16_t subvp_prefetch_end_to_mall_start_us;
277 uint8_t subvp_swath_height_margin_lines; // subvp start line must be aligned to 2 x swath height
278 uint16_t subvp_pstate_allow_width_us;
279 uint16_t subvp_vertical_int_margin_us;
281 uint32_t max_v_total;
282 uint32_t max_disp_clock_khz_at_vmin;
283 uint8_t subvp_drr_vblank_start_margin_us;
287 bool no_connect_phy_config;
289 bool skip_clock_update;
290 bool lt_early_cr_pattern;
295 uint8_t dcfclk_ds: 1;
296 } clock_update_disable_mask;
298 struct dc_dcc_surface_param {
299 struct dc_size surface_size;
300 enum surface_pixel_format format;
301 enum swizzle_mode_values swizzle_mode;
302 enum dc_scan_direction scan;
305 struct dc_dcc_setting {
306 unsigned int max_compressed_blk_size;
307 unsigned int max_uncompressed_blk_size;
308 bool independent_64b_blks;
309 //These bitfields to be used starting with DCN
311 uint32_t dcc_256_64_64 : 1;//available in ASICs before DCN (the worst compression case)
312 uint32_t dcc_128_128_uncontrained : 1; //available in ASICs before DCN
313 uint32_t dcc_256_128_128 : 1; //available starting with DCN
314 uint32_t dcc_256_256_unconstrained : 1; //available in ASICs before DCN (the best compression case)
318 struct dc_surface_dcc_cap {
321 struct dc_dcc_setting rgb;
325 struct dc_dcc_setting luma;
326 struct dc_dcc_setting chroma;
331 bool const_color_support;
334 struct dc_static_screen_params {
341 unsigned int num_frames;
345 /* Surface update type is used by dc_update_surfaces_and_stream
346 * The update type is determined at the very beginning of the function based
347 * on parameters passed in and decides how much programming (or updating) is
348 * going to be done during the call.
350 * UPDATE_TYPE_FAST is used for really fast updates that do not require much
351 * logical calculations or hardware register programming. This update MUST be
352 * ISR safe on windows. Currently fast update will only be used to flip surface
355 * UPDATE_TYPE_MED is used for slower updates which require significant hw
356 * re-programming however do not affect bandwidth consumption or clock
357 * requirements. At present, this is the level at which front end updates
358 * that do not require us to run bw_calcs happen. These are in/out transfer func
359 * updates, viewport offset changes, recout size changes and pixel depth changes.
360 * This update can be done at ISR, but we want to minimize how often this happens.
362 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our
363 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front
364 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or
365 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
366 * a full update. This cannot be done at ISR level and should be a rare event.
367 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting
368 * underscan we don't expect to see this call at all.
371 enum surface_update_type {
372 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
373 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/
374 UPDATE_TYPE_FULL, /* may need to shuffle resources */
377 /* Forward declaration*/
379 struct dc_plane_state;
383 struct dc_cap_funcs {
384 bool (*get_dcc_compression_cap)(const struct dc *dc,
385 const struct dc_dcc_surface_param *input,
386 struct dc_surface_dcc_cap *output);
387 bool (*get_subvp_en)(struct dc *dc, struct dc_state *context);
390 struct link_training_settings;
392 union allow_lttpr_non_transparent_mode {
400 /* Structure to hold configuration flags set by dm at dc creation. */
403 bool disable_disp_pll_sharing;
405 bool disable_fractional_pwm;
406 bool allow_seamless_boot_optimization;
407 bool seamless_boot_edp_requested;
408 bool edp_not_connected;
409 bool edp_no_power_sequencing;
412 union allow_lttpr_non_transparent_mode allow_lttpr_non_transparent_mode;
413 bool multi_mon_pp_mclk_switch;
416 bool enable_windowed_mpo_odm;
417 bool forceHBR2CP2520; // Used for switching between test patterns TPS4 and CP2520
418 uint32_t allow_edp_hotplug_detection;
419 bool clamp_min_dcfclk;
420 uint64_t vblank_alignment_dto_params;
421 uint8_t vblank_alignment_max_frame_time_diff;
422 bool is_asymmetric_memory;
423 bool is_single_rank_dimm;
424 bool is_vmin_only_asic;
425 bool use_pipe_ctx_sync_logic;
426 bool ignore_dpref_ss;
427 bool enable_mipi_converter_optimization;
428 bool use_default_clock_table;
429 bool force_bios_enable_lttpr;
430 uint8_t force_bios_fixed_vs;
431 int sdpif_request_limit_words_per_umc;
432 bool use_old_fixed_vs_sequence;
433 bool dc_mode_clk_limit_support;
434 bool EnableMinDispClkODM;
435 bool enable_auto_dpm_test_logs;
436 unsigned int disable_ips;
437 unsigned int disable_ips_in_vpb;
440 enum visual_confirm {
441 VISUAL_CONFIRM_DISABLE = 0,
442 VISUAL_CONFIRM_SURFACE = 1,
443 VISUAL_CONFIRM_HDR = 2,
444 VISUAL_CONFIRM_MPCTREE = 4,
445 VISUAL_CONFIRM_PSR = 5,
446 VISUAL_CONFIRM_SWAPCHAIN = 6,
447 VISUAL_CONFIRM_FAMS = 7,
448 VISUAL_CONFIRM_SWIZZLE = 9,
449 VISUAL_CONFIRM_REPLAY = 12,
450 VISUAL_CONFIRM_SUBVP = 14,
451 VISUAL_CONFIRM_MCLK_SWITCH = 16,
454 enum dc_psr_power_opts {
455 psr_power_opt_invalid = 0x0,
456 psr_power_opt_smu_opt_static_screen = 0x1,
457 psr_power_opt_z10_static_screen = 0x10,
458 psr_power_opt_ds_disable_allow = 0x100,
461 enum dml_hostvm_override_opts {
462 DML_HOSTVM_NO_OVERRIDE = 0x0,
463 DML_HOSTVM_OVERRIDE_FALSE = 0x1,
464 DML_HOSTVM_OVERRIDE_TRUE = 0x2,
467 enum dc_replay_power_opts {
468 replay_power_opt_invalid = 0x0,
469 replay_power_opt_smu_opt_static_screen = 0x1,
470 replay_power_opt_z10_static_screen = 0x10,
476 DCC_HALF_REQ_DISALBE = 2,
480 * enum pipe_split_policy - Pipe split strategy supported by DCN
482 * This enum is used to define the pipe split policy supported by DCN. By
483 * default, DC favors MPC_SPLIT_DYNAMIC.
485 enum pipe_split_policy {
487 * @MPC_SPLIT_DYNAMIC: DC will automatically decide how to split the
488 * pipe in order to bring the best trade-off between performance and
489 * power consumption. This is the recommended option.
491 MPC_SPLIT_DYNAMIC = 0,
494 * @MPC_SPLIT_AVOID: Avoid pipe split, which means that DC will not
495 * try any sort of split optimization.
500 * @MPC_SPLIT_AVOID_MULT_DISP: With this option, DC will only try to
501 * optimize the pipe utilization when using a single display; if the
502 * user connects to a second display, DC will avoid pipe split.
504 MPC_SPLIT_AVOID_MULT_DISP = 2,
507 enum wm_report_mode {
508 WM_REPORT_DEFAULT = 0,
509 WM_REPORT_OVERRIDE = 1,
512 dtm_level_p0 = 0,/*highest voltage*/
516 dtm_level_p4,/*when active_display_count = 0*/
520 DCN_PWR_STATE_UNKNOWN = -1,
521 DCN_PWR_STATE_MISSION_MODE = 0,
522 DCN_PWR_STATE_LOW_POWER = 3,
525 enum dcn_zstate_support_state {
526 DCN_ZSTATE_SUPPORT_UNKNOWN,
527 DCN_ZSTATE_SUPPORT_ALLOW,
528 DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY,
529 DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY,
530 DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY,
531 DCN_ZSTATE_SUPPORT_DISALLOW,
535 * struct dc_clocks - DC pipe clocks
537 * For any clocks that may differ per pipe only the max is stored in this
542 int actual_dispclk_khz;
544 int actual_dppclk_khz;
545 int disp_dpp_voltage_level_khz;
548 int dcfclk_deep_sleep_khz;
552 bool p_state_change_support;
553 enum dcn_zstate_support_state zstate_support;
556 bool fclk_p_state_change_support;
557 enum dcn_pwr_state pwr_state;
559 * Elements below are not compared for the purposes of
560 * optimization required
562 bool prev_p_state_change_support;
563 bool fclk_prev_p_state_change_support;
567 * @fw_based_mclk_switching
569 * DC has a mechanism that leverage the variable refresh rate to switch
570 * memory clock in cases that we have a large latency to achieve the
571 * memory clock change and a short vblank window. DC has some
572 * requirements to enable this feature, and this field describes if the
573 * system support or not such a feature.
575 bool fw_based_mclk_switching;
576 bool fw_based_mclk_switching_shut_down;
578 enum dtm_pstate dtm_level;
579 int max_supported_dppclk_khz;
580 int max_supported_dispclk_khz;
581 int bw_dppclk_khz; /*a copy of dppclk_khz*/
585 struct dc_bw_validation_profile {
588 unsigned long long total_ticks;
589 unsigned long long voltage_level_ticks;
590 unsigned long long watermark_ticks;
591 unsigned long long rq_dlg_ticks;
593 unsigned long long total_count;
594 unsigned long long skip_fast_count;
595 unsigned long long skip_pass_count;
596 unsigned long long skip_fail_count;
599 #define BW_VAL_TRACE_SETUP() \
600 unsigned long long end_tick = 0; \
601 unsigned long long voltage_level_tick = 0; \
602 unsigned long long watermark_tick = 0; \
603 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \
604 dm_get_timestamp(dc->ctx) : 0
606 #define BW_VAL_TRACE_COUNT() \
607 if (dc->debug.bw_val_profile.enable) \
608 dc->debug.bw_val_profile.total_count++
610 #define BW_VAL_TRACE_SKIP(status) \
611 if (dc->debug.bw_val_profile.enable) { \
612 if (!voltage_level_tick) \
613 voltage_level_tick = dm_get_timestamp(dc->ctx); \
614 dc->debug.bw_val_profile.skip_ ## status ## _count++; \
617 #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \
618 if (dc->debug.bw_val_profile.enable) \
619 voltage_level_tick = dm_get_timestamp(dc->ctx)
621 #define BW_VAL_TRACE_END_WATERMARKS() \
622 if (dc->debug.bw_val_profile.enable) \
623 watermark_tick = dm_get_timestamp(dc->ctx)
625 #define BW_VAL_TRACE_FINISH() \
626 if (dc->debug.bw_val_profile.enable) { \
627 end_tick = dm_get_timestamp(dc->ctx); \
628 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \
629 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \
630 if (watermark_tick) { \
631 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \
632 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \
636 union mem_low_power_enable_options {
651 union root_clock_optimization_options {
663 uint32_t reserved: 22;
668 union fine_grain_clock_gating_enable_options {
670 bool dccg_global_fgcg_rep : 1; /* Global fine grain clock gating of repeaters */
671 bool dchub : 1; /* Display controller hub */
673 bool dpp : 1; /* Display pipes and planes */
674 bool opp : 1; /* Output pixel processing */
675 bool optc : 1; /* Output pipe timing combiner */
676 bool dio : 1; /* Display output */
677 bool dwb : 1; /* Display writeback */
678 bool mmhubbub : 1; /* Multimedia hub */
679 bool dmu : 1; /* Display core management unit */
680 bool az : 1; /* Azalia */
682 bool dsc : 1; /* Display stream compression */
684 uint32_t reserved : 19;
689 enum pg_hw_pipe_resources {
696 PG_HW_PIPE_RESOURCES_NUM_ELEMENT
699 enum pg_hw_resources {
707 PG_HW_RESOURCES_NUM_ELEMENT
710 struct pg_block_update {
711 bool pg_pipe_res_update[PG_HW_PIPE_RESOURCES_NUM_ELEMENT][MAX_PIPES];
712 bool pg_res_update[PG_HW_RESOURCES_NUM_ELEMENT];
715 union dpia_debug_options {
717 uint32_t disable_dpia:1; /* bit 0 */
718 uint32_t force_non_lttpr:1; /* bit 1 */
719 uint32_t extend_aux_rd_interval:1; /* bit 2 */
720 uint32_t disable_mst_dsc_work_around:1; /* bit 3 */
721 uint32_t enable_force_tbt3_work_around:1; /* bit 4 */
722 uint32_t reserved:27;
727 /* AUX wake work around options
728 * 0: enable/disable work around
729 * 1: use default timeout LINK_AUX_WAKE_TIMEOUT_MS
731 * 31-16: timeout in ms
733 union aux_wake_wa_options {
735 uint32_t enable_wa : 1;
736 uint32_t use_default_timeout : 1;
738 uint32_t timeout_ms : 16;
743 struct dc_debug_data {
744 uint32_t ltFailCount;
745 uint32_t i2cErrorCount;
746 uint32_t auxErrorCount;
749 struct dc_phy_addr_space_config {
762 uint64_t page_table_start_addr;
763 uint64_t page_table_end_addr;
764 uint64_t page_table_base_addr;
765 bool base_addr_is_mc_addr;
770 uint64_t page_table_default_page_addr;
773 struct dc_virtual_addr_space_config {
774 uint64_t page_table_base_addr;
775 uint64_t page_table_start_addr;
776 uint64_t page_table_end_addr;
777 uint32_t page_table_block_size_in_bytes;
778 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid
781 struct dc_bounding_box_overrides {
783 int sr_enter_plus_exit_time_ns;
784 int sr_exit_z8_time_ns;
785 int sr_enter_plus_exit_z8_time_ns;
786 int urgent_latency_ns;
787 int percent_of_ideal_drambw;
788 int dram_clock_change_latency_ns;
789 int dummy_clock_change_latency_ns;
790 int fclk_clock_change_latency_ns;
791 /* This forces a hard min on the DCFCLK we use
792 * for DML. Unlike the debug option for forcing
793 * DCFCLK, this override affects watermark calculations
799 struct resource_pool;
804 * struct dc_debug_options - DC debug struct
806 * This struct provides a simple mechanism for developers to change some
807 * configurations, enable/disable features, and activate extra debug options.
808 * This can be very handy to narrow down whether some specific feature is
809 * causing an issue or not.
811 struct dc_debug_options {
812 bool native422_support;
814 enum visual_confirm visual_confirm;
815 int visual_confirm_rect_height;
822 bool validation_trace;
823 bool bandwidth_calcs_trace;
824 int max_downscale_src_width;
826 /* stutter efficiency related */
827 bool disable_stutter;
829 enum dcc_option disable_dcc;
832 * @pipe_split_policy: Define which pipe split policy is used by the
835 enum pipe_split_policy pipe_split_policy;
836 bool force_single_disp_pipe_split;
837 bool voltage_align_fclk;
838 bool disable_min_fclk;
840 bool disable_dfs_bypass;
841 bool disable_dpp_power_gate;
842 bool disable_hubp_power_gate;
843 bool disable_dsc_power_gate;
844 bool disable_optc_power_gate;
845 bool disable_hpo_power_gate;
846 int dsc_min_slice_height_override;
847 int dsc_bpp_increment_div;
848 bool disable_pplib_wm_range;
849 enum wm_report_mode pplib_wm_report_mode;
850 unsigned int min_disp_clk_khz;
851 unsigned int min_dpp_clk_khz;
852 unsigned int min_dram_clk_khz;
853 int sr_exit_time_dpm0_ns;
854 int sr_enter_plus_exit_time_dpm0_ns;
856 int sr_enter_plus_exit_time_ns;
857 int sr_exit_z8_time_ns;
858 int sr_enter_plus_exit_z8_time_ns;
859 int urgent_latency_ns;
860 uint32_t underflow_assert_delay_us;
861 int percent_of_ideal_drambw;
862 int dram_clock_change_latency_ns;
863 bool optimized_watermark;
865 bool disable_pplib_clock_request;
866 bool disable_clock_gate;
867 bool disable_mem_low_power;
870 bool force_abm_enable;
871 bool disable_stereo_support;
873 bool performance_trace;
874 bool az_endpoint_mute_only;
875 bool always_use_regamma;
876 bool recovery_enabled;
877 bool avoid_vbios_exec_table;
878 bool scl_reset_length10;
880 bool skip_detection_link_training;
881 uint32_t edid_read_retry_times;
882 unsigned int force_odm_combine; //bit vector based on otg inst
883 unsigned int seamless_boot_odm_combine;
884 unsigned int force_odm_combine_4to1; //bit vector based on otg inst
885 int minimum_z8_residency_time;
886 int minimum_z10_residency_time;
888 unsigned int force_fclk_khz;
890 bool dmub_offload_enabled;
891 bool dmcub_emulation;
892 bool disable_idle_power_optimizations;
893 unsigned int mall_size_override;
894 unsigned int mall_additional_timer_percent;
895 bool mall_error_as_fatal;
896 bool dmub_command_table; /* for testing only */
897 struct dc_bw_validation_profile bw_val_profile;
899 bool disable_48mhz_pwrdwn;
900 /* This forces a hard min on the DCFCLK requested to SMU/PP
901 * watermarks are not affected.
903 unsigned int force_min_dcfclk_mhz;
905 bool disable_timing_sync;
907 int force_clock_mode;/*every mode change.*/
909 bool disable_dram_clock_change_vactive_support;
910 bool validate_dml_output;
911 bool enable_dmcub_surface_flip;
912 bool usbc_combo_phy_reset_wa;
913 bool enable_dram_clock_change_one_display_vactive;
914 /* TODO - remove once tested */
916 bool set_mst_en_for_sst;
918 bool force_dp2_lt_fallback_method;
919 bool ignore_cable_id;
920 union mem_low_power_enable_options enable_mem_low_power;
921 union root_clock_optimization_options root_clock_optimization;
922 union fine_grain_clock_gating_enable_options enable_fine_grain_clock_gating;
923 bool hpo_optimization;
924 bool force_vblank_alignment;
926 /* Enable dmub aux for legacy ddc */
927 bool enable_dmub_aux_for_legacy_ddc;
929 bool disable_fams_gaming;
930 /* FEC/PSR1 sequence enable delay in 100us */
931 uint8_t fec_enable_delay_in100us;
932 bool enable_driver_sequence_debug;
933 enum det_size crb_alloc_policy;
934 int crb_alloc_policy_min_disp_count;
936 bool enable_z9_disable_interface;
937 bool psr_skip_crtc_disable;
938 union dpia_debug_options dpia_debug;
939 bool disable_fixed_vs_aux_timeout_wa;
940 uint32_t fixed_vs_aux_delay_config_wa;
941 bool force_disable_subvp;
942 bool force_subvp_mclk_switch;
943 bool allow_sw_cursor_fallback;
944 unsigned int force_subvp_num_ways;
945 unsigned int force_mall_ss_num_ways;
946 bool alloc_extra_way_for_cursor;
947 uint32_t subvp_extra_lines;
948 bool force_usr_allow;
949 /* uses value at boot and disables switch */
950 bool disable_dtb_ref_clk_switch;
951 bool extended_blank_optimization;
952 union aux_wake_wa_options aux_wake_wa;
953 uint32_t mst_start_top_delay;
954 uint8_t psr_power_use_phy_fsm;
955 enum dml_hostvm_override_opts dml_hostvm_override;
956 bool dml_disallow_alternate_prefetch_modes;
957 bool use_legacy_soc_bb_mechanism;
958 bool exit_idle_opt_for_cursor_updates;
960 bool enable_single_display_2to1_odm_policy;
961 bool enable_double_buffered_dsc_pg_support;
962 bool enable_dp_dig_pixel_rate_div_policy;
963 enum lttpr_mode lttpr_mode_override;
964 unsigned int dsc_delay_factor_wa_x1000;
965 unsigned int min_prefetch_in_strobe_ns;
966 bool disable_unbounded_requesting;
967 bool dig_fifo_off_in_blank;
968 bool override_dispclk_programming;
970 bool disallow_dispclk_dppclk_ds;
971 bool disable_fpo_optimizations;
973 uint32_t fpo_vactive_margin_us;
974 bool disable_fpo_vactive;
975 bool disable_boot_optimizations;
976 bool override_odm_optimization;
977 bool minimize_dispclk_using_odm;
978 bool disable_subvp_high_refresh;
979 bool disable_dp_plus_plus_wa;
980 uint32_t fpo_vactive_min_active_margin_us;
981 uint32_t fpo_vactive_max_blank_us;
982 bool enable_hpo_pg_support;
983 bool enable_legacy_fast_update;
984 bool disable_dc_mode_overwrite;
985 bool replay_skip_crtc_disabled;
986 bool ignore_pg;/*do nothing, let pmfw control it*/
987 bool psp_disabled_wa;
988 unsigned int ips2_eval_delay_us;
989 unsigned int ips2_entry_delay_us;
990 bool disable_timeout;
991 bool disable_extblankadj;
992 unsigned int static_screen_wait_frames;
995 struct gpu_info_soc_bounding_box_v1_0;
997 /* Generic structure that can be used to query properties of DC. More fields
998 * can be added as required.
1000 struct dc_current_properties {
1001 unsigned int cursor_size_limit;
1005 struct dc_debug_options debug;
1006 struct dc_versions versions;
1007 struct dc_caps caps;
1008 struct dc_cap_funcs cap_funcs;
1009 struct dc_config config;
1010 struct dc_bounding_box_overrides bb_overrides;
1011 struct dc_bug_wa work_arounds;
1012 struct dc_context *ctx;
1013 struct dc_phy_addr_space_config vm_pa_config;
1016 struct dc_link *links[MAX_PIPES * 2];
1017 struct link_service *link_srv;
1019 struct dc_state *current_state;
1020 struct resource_pool *res_pool;
1022 struct clk_mgr *clk_mgr;
1024 /* Display Engine Clock levels */
1025 struct dm_pp_clock_levels sclk_lvls;
1027 /* Inputs into BW and WM calculations. */
1028 struct bw_calcs_dceip *bw_dceip;
1029 struct bw_calcs_vbios *bw_vbios;
1030 struct dcn_soc_bounding_box *dcn_soc;
1031 struct dcn_ip_params *dcn_ip;
1032 struct display_mode_lib dml;
1035 struct hw_sequencer_funcs hwss;
1036 struct dce_hwseq *hwseq;
1038 /* Require to optimize clocks and bandwidth for added/removed planes */
1039 bool optimized_required;
1040 bool wm_optimized_required;
1041 bool idle_optimizations_allowed;
1042 bool enable_c20_dtm_b0;
1044 /* Require to maintain clocks and bandwidth for UEFI enabled HW */
1046 /* FBC compressor */
1047 struct compressor *fbc_compressor;
1049 struct dc_debug_data debug_data;
1050 struct dpcd_vendor_signature vendor_signature;
1052 const char *build_id;
1053 struct vm_helper *vm_helper;
1055 uint32_t *dcn_reg_offsets;
1056 uint32_t *nbio_reg_offsets;
1057 uint32_t *clk_reg_offsets;
1059 /* Scratch memory */
1063 * For matching clock_limits table in driver with table
1066 struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
1067 } update_bw_bounding_box;
1070 struct dml2_configuration_options dml2_options;
1073 enum frame_buffer_mode {
1074 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
1075 FRAME_BUFFER_MODE_ZFB_ONLY,
1076 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
1079 struct dchub_init_data {
1080 int64_t zfb_phys_addr_base;
1081 int64_t zfb_mc_base_addr;
1082 uint64_t zfb_size_in_byte;
1083 enum frame_buffer_mode fb_mode;
1084 bool dchub_initialzied;
1085 bool dchub_info_valid;
1088 struct dc_init_data {
1089 struct hw_asic_id asic_id;
1090 void *driver; /* ctx */
1091 struct cgs_device *cgs_device;
1092 struct dc_bounding_box_overrides bb_overrides;
1094 int num_virtual_links;
1096 * If 'vbios_override' not NULL, it will be called instead
1097 * of the real VBIOS. Intended use is Diagnostics on FPGA.
1099 struct dc_bios *vbios_override;
1100 enum dce_environment dce_environment;
1102 struct dmub_offload_funcs *dmub_if;
1103 struct dc_reg_helper_state *dmub_offload;
1105 struct dc_config flags;
1108 struct dpcd_vendor_signature vendor_signature;
1109 bool force_smu_not_present;
1111 * IP offset for run time initializaion of register addresses
1113 * DCN3.5+ will fail dc_create() if these fields are null for them. They are
1114 * applicable starting with DCN32/321 and are not used for ASICs upstreamed
1117 uint32_t *dcn_reg_offsets;
1118 uint32_t *nbio_reg_offsets;
1119 uint32_t *clk_reg_offsets;
1122 struct dc_callback_init {
1123 struct cp_psp cp_psp;
1126 struct dc *dc_create(const struct dc_init_data *init_params);
1127 void dc_hardware_init(struct dc *dc);
1129 int dc_get_vmid_use_vector(struct dc *dc);
1130 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid);
1131 /* Returns the number of vmids supported */
1132 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config);
1133 void dc_init_callbacks(struct dc *dc,
1134 const struct dc_callback_init *init_params);
1135 void dc_deinit_callbacks(struct dc *dc);
1136 void dc_destroy(struct dc **dc);
1138 /* Surface Interfaces */
1141 TRANSFER_FUNC_POINTS = 1025
1144 struct dc_hdr_static_metadata {
1145 /* display chromaticities and white point in units of 0.00001 */
1146 unsigned int chromaticity_green_x;
1147 unsigned int chromaticity_green_y;
1148 unsigned int chromaticity_blue_x;
1149 unsigned int chromaticity_blue_y;
1150 unsigned int chromaticity_red_x;
1151 unsigned int chromaticity_red_y;
1152 unsigned int chromaticity_white_point_x;
1153 unsigned int chromaticity_white_point_y;
1155 uint32_t min_luminance;
1156 uint32_t max_luminance;
1157 uint32_t maximum_content_light_level;
1158 uint32_t maximum_frame_average_light_level;
1161 enum dc_transfer_func_type {
1163 TF_TYPE_DISTRIBUTED_POINTS,
1168 struct dc_transfer_func_distributed_points {
1169 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
1170 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
1171 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
1173 uint16_t end_exponent;
1174 uint16_t x_point_at_y1_red;
1175 uint16_t x_point_at_y1_green;
1176 uint16_t x_point_at_y1_blue;
1179 enum dc_transfer_func_predefined {
1180 TRANSFER_FUNCTION_SRGB,
1181 TRANSFER_FUNCTION_BT709,
1182 TRANSFER_FUNCTION_PQ,
1183 TRANSFER_FUNCTION_LINEAR,
1184 TRANSFER_FUNCTION_UNITY,
1185 TRANSFER_FUNCTION_HLG,
1186 TRANSFER_FUNCTION_HLG12,
1187 TRANSFER_FUNCTION_GAMMA22,
1188 TRANSFER_FUNCTION_GAMMA24,
1189 TRANSFER_FUNCTION_GAMMA26
1193 struct dc_transfer_func {
1194 struct kref refcount;
1195 enum dc_transfer_func_type type;
1196 enum dc_transfer_func_predefined tf;
1197 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
1198 uint32_t sdr_ref_white_level;
1200 struct pwl_params pwl;
1201 struct dc_transfer_func_distributed_points tf_pts;
1206 union dc_3dlut_state {
1208 uint32_t initialized:1; /*if 3dlut is went through color module for initialization */
1209 uint32_t rmu_idx_valid:1; /*if mux settings are valid*/
1210 uint32_t rmu_mux_num:3; /*index of mux to use*/
1211 uint32_t mpc_rmu0_mux:4; /*select mpcc on mux, one of the following : mpcc0, mpcc1, mpcc2, mpcc3*/
1212 uint32_t mpc_rmu1_mux:4;
1213 uint32_t mpc_rmu2_mux:4;
1214 uint32_t reserved:15;
1221 struct kref refcount;
1222 struct tetrahedral_params lut_3d;
1223 struct fixed31_32 hdr_multiplier;
1224 union dc_3dlut_state state;
1227 * This structure is filled in by dc_surface_get_status and contains
1228 * the last requested address and the currently active address so the called
1229 * can determine if there are any outstanding flips
1231 struct dc_plane_status {
1232 struct dc_plane_address requested_address;
1233 struct dc_plane_address current_address;
1234 bool is_flip_pending;
1238 union surface_update_flags {
1241 uint32_t addr_update:1;
1242 /* Medium updates */
1243 uint32_t dcc_change:1;
1244 uint32_t color_space_change:1;
1245 uint32_t horizontal_mirror_change:1;
1246 uint32_t per_pixel_alpha_change:1;
1247 uint32_t global_alpha_change:1;
1248 uint32_t hdr_mult:1;
1249 uint32_t rotation_change:1;
1250 uint32_t swizzle_change:1;
1251 uint32_t scaling_change:1;
1252 uint32_t position_change:1;
1253 uint32_t in_transfer_func_change:1;
1254 uint32_t input_csc_change:1;
1255 uint32_t coeff_reduction_change:1;
1256 uint32_t output_tf_change:1;
1257 uint32_t pixel_format_change:1;
1258 uint32_t plane_size_change:1;
1259 uint32_t gamut_remap_change:1;
1262 uint32_t new_plane:1;
1263 uint32_t bpp_change:1;
1264 uint32_t gamma_change:1;
1265 uint32_t bandwidth_change:1;
1266 uint32_t clock_change:1;
1267 uint32_t stereo_format_change:1;
1269 uint32_t tmz_changed:1;
1270 uint32_t full_update:1;
1276 struct dc_plane_state {
1277 struct dc_plane_address address;
1278 struct dc_plane_flip_time time;
1279 bool triplebuffer_flips;
1280 struct scaling_taps scaling_quality;
1281 struct rect src_rect;
1282 struct rect dst_rect;
1283 struct rect clip_rect;
1285 struct plane_size plane_size;
1286 union dc_tiling_info tiling_info;
1288 struct dc_plane_dcc_param dcc;
1290 struct dc_gamma *gamma_correction;
1291 struct dc_transfer_func *in_transfer_func;
1292 struct dc_bias_and_scale *bias_and_scale;
1293 struct dc_csc_transform input_csc_color_matrix;
1294 struct fixed31_32 coeff_reduction_factor;
1295 struct fixed31_32 hdr_mult;
1296 struct colorspace_transform gamut_remap_matrix;
1298 // TODO: No longer used, remove
1299 struct dc_hdr_static_metadata hdr_static_ctx;
1301 enum dc_color_space color_space;
1303 struct dc_3dlut *lut3d_func;
1304 struct dc_transfer_func *in_shaper_func;
1305 struct dc_transfer_func *blend_tf;
1307 struct dc_transfer_func *gamcor_tf;
1308 enum surface_pixel_format format;
1309 enum dc_rotation_angle rotation;
1310 enum plane_stereo_format stereo_format;
1312 bool is_tiling_rotated;
1313 bool per_pixel_alpha;
1314 bool pre_multiplied_alpha;
1316 int global_alpha_value;
1318 bool flip_immediate;
1319 bool horizontal_mirror;
1322 union surface_update_flags update_flags;
1323 bool flip_int_enabled;
1324 bool skip_manual_trigger;
1326 /* private to DC core */
1327 struct dc_plane_status status;
1328 struct dc_context *ctx;
1330 /* HACK: Workaround for forcing full reprogramming under some conditions */
1331 bool force_full_update;
1333 bool is_phantom; // TODO: Change mall_stream_config into mall_plane_config instead
1335 /* private to dc_surface.c */
1336 enum dc_irq_source irq_source;
1337 struct kref refcount;
1338 struct tg_color visual_confirm_color;
1340 bool is_statically_allocated;
1343 struct dc_plane_info {
1344 struct plane_size plane_size;
1345 union dc_tiling_info tiling_info;
1346 struct dc_plane_dcc_param dcc;
1347 enum surface_pixel_format format;
1348 enum dc_rotation_angle rotation;
1349 enum plane_stereo_format stereo_format;
1350 enum dc_color_space color_space;
1351 bool horizontal_mirror;
1353 bool per_pixel_alpha;
1354 bool pre_multiplied_alpha;
1356 int global_alpha_value;
1357 bool input_csc_enabled;
1361 struct dc_scaling_info {
1362 struct rect src_rect;
1363 struct rect dst_rect;
1364 struct rect clip_rect;
1365 struct scaling_taps scaling_quality;
1368 struct dc_fast_update {
1369 const struct dc_flip_addrs *flip_addr;
1370 const struct dc_gamma *gamma;
1371 const struct colorspace_transform *gamut_remap_matrix;
1372 const struct dc_csc_transform *input_csc_color_matrix;
1373 const struct fixed31_32 *coeff_reduction_factor;
1374 struct dc_transfer_func *out_transfer_func;
1375 struct dc_csc_transform *output_csc_transform;
1378 struct dc_surface_update {
1379 struct dc_plane_state *surface;
1381 /* isr safe update parameters. null means no updates */
1382 const struct dc_flip_addrs *flip_addr;
1383 const struct dc_plane_info *plane_info;
1384 const struct dc_scaling_info *scaling_info;
1385 struct fixed31_32 hdr_mult;
1386 /* following updates require alloc/sleep/spin that is not isr safe,
1387 * null means no updates
1389 const struct dc_gamma *gamma;
1390 const struct dc_transfer_func *in_transfer_func;
1392 const struct dc_csc_transform *input_csc_color_matrix;
1393 const struct fixed31_32 *coeff_reduction_factor;
1394 const struct dc_transfer_func *func_shaper;
1395 const struct dc_3dlut *lut3d_func;
1396 const struct dc_transfer_func *blend_tf;
1397 const struct colorspace_transform *gamut_remap_matrix;
1401 * Create a new surface with default parameters;
1403 void dc_gamma_retain(struct dc_gamma *dc_gamma);
1404 void dc_gamma_release(struct dc_gamma **dc_gamma);
1405 struct dc_gamma *dc_create_gamma(void);
1407 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
1408 void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
1409 struct dc_transfer_func *dc_create_transfer_func(void);
1411 struct dc_3dlut *dc_create_3dlut_func(void);
1412 void dc_3dlut_func_release(struct dc_3dlut *lut);
1413 void dc_3dlut_func_retain(struct dc_3dlut *lut);
1415 void dc_post_update_surfaces_to_stream(
1418 #include "dc_stream.h"
1421 * struct dc_validation_set - Struct to store surface/stream associations for validation
1423 struct dc_validation_set {
1425 * @stream: Stream state properties
1427 struct dc_stream_state *stream;
1430 * @plane_states: Surface state
1432 struct dc_plane_state *plane_states[MAX_SURFACES];
1435 * @plane_count: Total of active planes
1437 uint8_t plane_count;
1440 bool dc_validate_boot_timing(const struct dc *dc,
1441 const struct dc_sink *sink,
1442 struct dc_crtc_timing *crtc_timing);
1444 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
1446 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info);
1448 enum dc_status dc_validate_with_context(struct dc *dc,
1449 const struct dc_validation_set set[],
1451 struct dc_state *context,
1452 bool fast_validate);
1454 bool dc_set_generic_gpio_for_stereo(bool enable,
1455 struct gpio_service *gpio_service);
1458 * fast_validate: we return after determining if we can support the new state,
1459 * but before we populate the programming info
1461 enum dc_status dc_validate_global_state(
1463 struct dc_state *new_ctx,
1464 bool fast_validate);
1466 bool dc_acquire_release_mpc_3dlut(
1467 struct dc *dc, bool acquire,
1468 struct dc_stream_state *stream,
1469 struct dc_3dlut **lut,
1470 struct dc_transfer_func **shaper);
1472 bool dc_resource_is_dsc_encoding_supported(const struct dc *dc);
1473 void get_audio_check(struct audio_info *aud_modes,
1474 struct audio_check *aud_chk);
1476 enum dc_status dc_commit_streams(struct dc *dc,
1477 struct dc_stream_state *streams[],
1478 uint8_t stream_count);
1481 struct dc_plane_state *dc_get_surface_for_mpcc(struct dc *dc,
1482 struct dc_stream_state *stream,
1486 uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane);
1488 void dc_set_disable_128b_132b_stream_overhead(bool disable);
1490 /* The function returns minimum bandwidth required to drive a given timing
1491 * return - minimum required timing bandwidth in kbps.
1493 uint32_t dc_bandwidth_in_kbps_from_timing(
1494 const struct dc_crtc_timing *timing,
1495 const enum dc_link_encoding_format link_encoding);
1497 /* Link Interfaces */
1499 * A link contains one or more sinks and their connected status.
1500 * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
1503 struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK];
1504 unsigned int sink_count;
1505 struct dc_sink *local_sink;
1506 unsigned int link_index;
1507 enum dc_connection_type type;
1508 enum signal_type connector_signal;
1509 enum dc_irq_source irq_source_hpd;
1510 enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
1512 bool is_hpd_filter_disabled;
1516 * @link_state_valid:
1518 * If there is no link and local sink, this variable should be set to
1519 * false. Otherwise, it should be set to true; usually, the function
1520 * core_link_enable_stream sets this field to true.
1522 bool link_state_valid;
1523 bool aux_access_disabled;
1524 bool sync_lt_in_progress;
1525 bool skip_stream_reenable;
1526 bool is_internal_display;
1527 /** @todo Rename. Flag an endpoint as having a programmable mapping to a DIG encoder. */
1528 bool is_dig_mapping_flexible;
1529 bool hpd_status; /* HPD status of link without physical HPD pin. */
1530 bool is_hpd_pending; /* Indicates a new received hpd */
1532 /* USB4 DPIA links skip verifying link cap, instead performing the fallback method
1533 * for every link training. This is incompatible with DP LL compliance automation,
1534 * which expects the same link settings to be used every retry on a link loss.
1535 * This flag is used to skip the fallback when link loss occurs during automation.
1537 bool skip_fallback_on_link_loss;
1539 bool edp_sink_present;
1541 struct dp_trace dp_trace;
1543 /* caps is the same as reported_link_cap. link_traing use
1544 * reported_link_cap. Will clean up. TODO
1546 struct dc_link_settings reported_link_cap;
1547 struct dc_link_settings verified_link_cap;
1548 struct dc_link_settings cur_link_settings;
1549 struct dc_lane_settings cur_lane_setting[LANE_COUNT_DP_MAX];
1550 struct dc_link_settings preferred_link_setting;
1551 /* preferred_training_settings are override values that
1552 * come from DM. DM is responsible for the memory
1553 * management of the override pointers.
1555 struct dc_link_training_overrides preferred_training_settings;
1556 struct dp_audio_test_data audio_test_data;
1558 uint8_t ddc_hw_inst;
1562 uint8_t link_enc_hw_inst;
1563 /* DIG link encoder ID. Used as index in link encoder resource pool.
1564 * For links with fixed mapping to DIG, this is not changed after dc_link
1567 enum engine_id eng_id;
1568 enum engine_id dpia_preferred_eng_id;
1570 bool test_pattern_enabled;
1571 enum dp_test_pattern current_test_pattern;
1572 union compliance_test_state compliance_test_state;
1576 struct ddc_service *ddc;
1578 enum dp_panel_mode panel_mode;
1581 /* Private to DC core */
1583 const struct dc *dc;
1585 struct dc_context *ctx;
1587 struct panel_cntl *panel_cntl;
1588 struct link_encoder *link_enc;
1589 struct graphics_object_id link_id;
1590 /* Endpoint type distinguishes display endpoints which do not have entries
1591 * in the BIOS connector table from those that do. Helps when tracking link
1592 * encoder to display endpoint assignments.
1594 enum display_endpoint_type ep_type;
1595 union ddi_channel_mapping ddi_channel_mapping;
1596 struct connector_device_tag_info device_tag;
1597 struct dpcd_caps dpcd_caps;
1598 uint32_t dongle_max_pix_clk;
1599 unsigned short chip_caps;
1600 unsigned int dpcd_sink_count;
1601 struct hdcp_caps hdcp_caps;
1602 enum edp_revision edp_revision;
1603 union dpcd_sink_ext_caps dpcd_sink_ext_caps;
1605 struct psr_settings psr_settings;
1607 struct replay_settings replay_settings;
1609 /* Drive settings read from integrated info table */
1610 struct dc_lane_settings bios_forced_drive_settings;
1612 /* Vendor specific LTTPR workaround variables */
1613 uint8_t vendor_specific_lttpr_link_rate_wa;
1614 bool apply_vendor_specific_lttpr_link_rate_wa;
1616 /* MST record stream using this link */
1618 bool dp_keep_receiver_powered;
1620 bool dp_skip_reset_segment;
1621 bool dp_skip_fs_144hz;
1622 bool dp_mot_reset_segment;
1623 /* Some USB4 docks do not handle turning off MST DSC once it has been enabled. */
1624 bool dpia_mst_dsc_always_on;
1625 /* Forced DPIA into TBT3 compatibility mode. */
1626 bool dpia_forced_tbt3_mode;
1627 bool dongle_mode_timing_override;
1628 bool blank_stream_on_ocs_change;
1629 bool read_dpcd204h_on_irq_hpd;
1631 struct link_mst_stream_allocation_table mst_stream_alloc_table;
1633 struct dc_link_status link_status;
1634 struct dprx_states dprx_states;
1636 struct gpio *hpd_gpio;
1637 enum dc_link_fec_state fec_state;
1638 bool link_powered_externally; // Used to bypass hardware sequencing delays when panel is powered down forcibly
1640 struct dc_panel_config panel_config;
1641 struct phy_state phy_state;
1642 // BW ALLOCATON USB4 ONLY
1643 struct dc_dpia_bw_alloc dpia_bw_alloc_config;
1644 bool skip_implict_edp_power_control;
1647 /* Return an enumerated dc_link.
1648 * dc_link order is constant and determined at
1649 * boot time. They cannot be created or destroyed.
1650 * Use dc_get_caps() to get number of links.
1652 struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index);
1654 /* Return instance id of the edp link. Inst 0 is primary edp link. */
1655 bool dc_get_edp_link_panel_inst(const struct dc *dc,
1656 const struct dc_link *link,
1657 unsigned int *inst_out);
1659 /* Return an array of link pointers to edp links. */
1660 void dc_get_edp_links(const struct dc *dc,
1661 struct dc_link **edp_links,
1664 void dc_set_edp_power(const struct dc *dc, struct dc_link *edp_link,
1667 /* The function initiates detection handshake over the given link. It first
1668 * determines if there are display connections over the link. If so it initiates
1669 * detection protocols supported by the connected receiver device. The function
1670 * contains protocol specific handshake sequences which are sometimes mandatory
1671 * to establish a proper connection between TX and RX. So it is always
1672 * recommended to call this function as the first link operation upon HPD event
1673 * or power up event. Upon completion, the function will update link structure
1674 * in place based on latest RX capabilities. The function may also cause dpms
1675 * to be reset to off for all currently enabled streams to the link. It is DM's
1676 * responsibility to serialize detection and DPMS updates.
1678 * @reason - Indicate which event triggers this detection. dc may customize
1679 * detection flow depending on the triggering events.
1680 * return false - if detection is not fully completed. This could happen when
1681 * there is an unrecoverable error during detection or detection is partially
1682 * completed (detection has been delegated to dm mst manager ie.
1683 * link->connection_type == dc_connection_mst_branch when returning false).
1684 * return true - detection is completed, link has been fully updated with latest
1687 bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason);
1689 struct dc_sink_init_data;
1691 /* When link connection type is dc_connection_mst_branch, remote sink can be
1692 * added to the link. The interface creates a remote sink and associates it with
1693 * current link. The sink will be retained by link until remove remote sink is
1696 * @dc_link - link the remote sink will be added to.
1697 * @edid - byte array of EDID raw data.
1698 * @len - size of the edid in byte
1701 struct dc_sink *dc_link_add_remote_sink(
1702 struct dc_link *dc_link,
1703 const uint8_t *edid,
1705 struct dc_sink_init_data *init_data);
1707 /* Remove remote sink from a link with dc_connection_mst_branch connection type.
1708 * @link - link the sink should be removed from
1709 * @sink - sink to be removed.
1711 void dc_link_remove_remote_sink(
1712 struct dc_link *link,
1713 struct dc_sink *sink);
1715 /* Enable HPD interrupt handler for a given link */
1716 void dc_link_enable_hpd(const struct dc_link *link);
1718 /* Disable HPD interrupt handler for a given link */
1719 void dc_link_disable_hpd(const struct dc_link *link);
1721 /* determine if there is a sink connected to the link
1723 * @type - dc_connection_single if connected, dc_connection_none otherwise.
1724 * return - false if an unexpected error occurs, true otherwise.
1726 * NOTE: This function doesn't detect downstream sink connections i.e
1727 * dc_connection_mst_branch, dc_connection_sst_branch. In this case, it will
1728 * return dc_connection_single if the branch device is connected despite of
1729 * downstream sink's connection status.
1731 bool dc_link_detect_connection_type(struct dc_link *link,
1732 enum dc_connection_type *type);
1734 /* query current hpd pin value
1735 * return - true HPD is asserted (HPD high), false otherwise (HPD low)
1738 bool dc_link_get_hpd_state(struct dc_link *link);
1740 /* Getter for cached link status from given link */
1741 const struct dc_link_status *dc_link_get_status(const struct dc_link *link);
1743 /* enable/disable hardware HPD filter.
1745 * @link - The link the HPD pin is associated with.
1746 * @enable = true - enable hardware HPD filter. HPD event will only queued to irq
1747 * handler once after no HPD change has been detected within dc default HPD
1748 * filtering interval since last HPD event. i.e if display keeps toggling hpd
1749 * pulses within default HPD interval, no HPD event will be received until HPD
1750 * toggles have stopped. Then HPD event will be queued to irq handler once after
1751 * dc default HPD filtering interval since last HPD event.
1753 * @enable = false - disable hardware HPD filter. HPD event will be queued
1754 * immediately to irq handler after no HPD change has been detected within
1755 * IRQ_HPD (aka HPD short pulse) interval (i.e 2ms).
1757 void dc_link_enable_hpd_filter(struct dc_link *link, bool enable);
1759 /* submit i2c read/write payloads through ddc channel
1760 * @link_index - index to a link with ddc in i2c mode
1761 * @cmd - i2c command structure
1762 * return - true if success, false otherwise.
1766 uint32_t link_index,
1767 struct i2c_command *cmd);
1769 /* submit i2c read/write payloads through oem channel
1770 * @link_index - index to a link with ddc in i2c mode
1771 * @cmd - i2c command structure
1772 * return - true if success, false otherwise.
1774 bool dc_submit_i2c_oem(
1776 struct i2c_command *cmd);
1778 enum aux_return_code_type;
1779 /* Attempt to transfer the given aux payload. This function does not perform
1780 * retries or handle error states. The reply is returned in the payload->reply
1781 * and the result through operation_result. Returns the number of bytes
1782 * transferred,or -1 on a failure.
1784 int dc_link_aux_transfer_raw(struct ddc_service *ddc,
1785 struct aux_payload *payload,
1786 enum aux_return_code_type *operation_result);
1788 bool dc_is_oem_i2c_device_present(
1790 size_t slave_address
1793 /* return true if the connected receiver supports the hdcp version */
1794 bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal);
1795 bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal);
1797 /* Notify DC about DP RX Interrupt (aka DP IRQ_HPD).
1799 * TODO - When defer_handling is true the function will have a different purpose.
1800 * It no longer does complete hpd rx irq handling. We should create a separate
1801 * interface specifically for this case.
1804 * true - Downstream port status changed. DM should call DC to do the
1806 * false - no change in Downstream port status. No further action required
1809 bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
1810 union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss,
1811 bool defer_handling, bool *has_left_work);
1812 /* handle DP specs define test automation sequence*/
1813 void dc_link_dp_handle_automated_test(struct dc_link *link);
1815 /* handle DP Link loss sequence and try to recover RX link loss with best
1818 void dc_link_dp_handle_link_loss(struct dc_link *link);
1820 /* Determine if hpd rx irq should be handled or ignored
1821 * return true - hpd rx irq should be handled.
1822 * return false - it is safe to ignore hpd rx irq event
1824 bool dc_link_dp_allow_hpd_rx_irq(const struct dc_link *link);
1826 /* Determine if link loss is indicated with a given hpd_irq_dpcd_data.
1827 * @link - link the hpd irq data associated with
1828 * @hpd_irq_dpcd_data - input hpd irq data
1829 * return - true if hpd irq data indicates a link lost
1831 bool dc_link_check_link_loss_status(struct dc_link *link,
1832 union hpd_irq_data *hpd_irq_dpcd_data);
1834 /* Read hpd rx irq data from a given link
1835 * @link - link where the hpd irq data should be read from
1836 * @irq_data - output hpd irq data
1837 * return - DC_OK if hpd irq data is read successfully, otherwise hpd irq data
1840 enum dc_status dc_link_dp_read_hpd_rx_irq_data(
1841 struct dc_link *link,
1842 union hpd_irq_data *irq_data);
1844 /* The function clears recorded DP RX states in the link. DM should call this
1845 * function when it is resuming from S3 power state to previously connected links.
1847 * TODO - in the future we should consider to expand link resume interface to
1848 * support clearing previous rx states. So we don't have to rely on dm to call
1849 * this interface explicitly.
1851 void dc_link_clear_dprx_states(struct dc_link *link);
1853 /* Destruct the mst topology of the link and reset the allocated payload table
1855 * NOTE: this should only be called if DM chooses not to call dc_link_detect but
1856 * still wants to reset MST topology on an unplug event */
1857 bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link);
1859 /* The function calculates effective DP link bandwidth when a given link is
1860 * using the given link settings.
1862 * return - total effective link bandwidth in kbps.
1864 uint32_t dc_link_bandwidth_kbps(
1865 const struct dc_link *link,
1866 const struct dc_link_settings *link_setting);
1868 /* The function takes a snapshot of current link resource allocation state
1869 * @dc: pointer to dc of the dm calling this
1870 * @map: a dc link resource snapshot defined internally to dc.
1872 * DM needs to capture a snapshot of current link resource allocation mapping
1873 * and store it in its persistent storage.
1875 * Some of the link resource is using first come first serve policy.
1876 * The allocation mapping depends on original hotplug order. This information
1877 * is lost after driver is loaded next time. The snapshot is used in order to
1878 * restore link resource to its previous state so user will get consistent
1879 * link capability allocation across reboot.
1882 void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map);
1884 /* This function restores link resource allocation state from a snapshot
1885 * @dc: pointer to dc of the dm calling this
1886 * @map: a dc link resource snapshot defined internally to dc.
1888 * DM needs to call this function after initial link detection on boot and
1889 * before first commit streams to restore link resource allocation state
1890 * from previous boot session.
1892 * Some of the link resource is using first come first serve policy.
1893 * The allocation mapping depends on original hotplug order. This information
1894 * is lost after driver is loaded next time. The snapshot is used in order to
1895 * restore link resource to its previous state so user will get consistent
1896 * link capability allocation across reboot.
1899 void dc_restore_link_res_map(const struct dc *dc, uint32_t *map);
1901 /* TODO: this is not meant to be exposed to DM. Should switch to stream update
1902 * interface i.e stream_update->dsc_config
1904 bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx);
1906 /* translate a raw link rate data to bandwidth in kbps */
1907 uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(const struct dc *dc, uint8_t bw);
1909 /* determine the optimal bandwidth given link and required bw.
1910 * @link - current detected link
1911 * @req_bw - requested bandwidth in kbps
1912 * @link_settings - returned most optimal link settings that can fit the
1913 * requested bandwidth
1914 * return - false if link can't support requested bandwidth, true if link
1915 * settings is found.
1917 bool dc_link_decide_edp_link_settings(struct dc_link *link,
1918 struct dc_link_settings *link_settings,
1921 /* return the max dp link settings can be driven by the link without considering
1922 * connected RX device and its capability
1924 bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link,
1925 struct dc_link_settings *max_link_enc_cap);
1927 /* determine when the link is driving MST mode, what DP link channel coding
1928 * format will be used. The decision will remain unchanged until next HPD event.
1930 * @link - a link with DP RX connection
1931 * return - if stream is committed to this link with MST signal type, type of
1932 * channel coding format dc will choose.
1934 enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format(
1935 const struct dc_link *link);
1937 /* get max dp link settings the link can enable with all things considered. (i.e
1938 * TX/RX/Cable capabilities and dp override policies.
1940 * @link - a link with DP RX connection
1941 * return - max dp link settings the link can enable.
1944 const struct dc_link_settings *dc_link_get_link_cap(const struct dc_link *link);
1946 /* Get the highest encoding format that the link supports; highest meaning the
1947 * encoding format which supports the maximum bandwidth.
1949 * @link - a link with DP RX connection
1950 * return - highest encoding format link supports.
1952 enum dc_link_encoding_format dc_link_get_highest_encoding_format(const struct dc_link *link);
1954 /* Check if a RX (ex. DP sink, MST hub, passive or active dongle) is connected
1955 * to a link with dp connector signal type.
1956 * @link - a link with dp connector signal type
1957 * return - true if connected, false otherwise
1959 bool dc_link_is_dp_sink_present(struct dc_link *link);
1961 /* Force DP lane settings update to main-link video signal and notify the change
1962 * to DP RX via DPCD. This is a debug interface used for video signal integrity
1963 * tuning purpose. The interface assumes link has already been enabled with DP
1966 * @lt_settings - a container structure with desired hw_lane_settings
1968 void dc_link_set_drive_settings(struct dc *dc,
1969 struct link_training_settings *lt_settings,
1970 struct dc_link *link);
1972 /* Enable a test pattern in Link or PHY layer in an active link for compliance
1973 * test or debugging purpose. The test pattern will remain until next un-plug.
1975 * @link - active link with DP signal output enabled.
1976 * @test_pattern - desired test pattern to output.
1977 * NOTE: set to DP_TEST_PATTERN_VIDEO_MODE to disable previous test pattern.
1978 * @test_pattern_color_space - for video test pattern choose a desired color
1980 * @p_link_settings - For PHY pattern choose a desired link settings
1981 * @p_custom_pattern - some test pattern will require a custom input to
1982 * customize some pattern details. Otherwise keep it to NULL.
1983 * @cust_pattern_size - size of the custom pattern input.
1986 bool dc_link_dp_set_test_pattern(
1987 struct dc_link *link,
1988 enum dp_test_pattern test_pattern,
1989 enum dp_test_pattern_color_space test_pattern_color_space,
1990 const struct link_training_settings *p_link_settings,
1991 const unsigned char *p_custom_pattern,
1992 unsigned int cust_pattern_size);
1994 /* Force DP link settings to always use a specific value until reboot to a
1995 * specific link. If link has already been enabled, the interface will also
1996 * switch to desired link settings immediately. This is a debug interface to
1997 * generic dp issue trouble shooting.
1999 void dc_link_set_preferred_link_settings(struct dc *dc,
2000 struct dc_link_settings *link_setting,
2001 struct dc_link *link);
2003 /* Force DP link to customize a specific link training behavior by overriding to
2004 * standard DP specs defined protocol. This is a debug interface to trouble shoot
2005 * display specific link training issues or apply some display specific
2006 * workaround in link training.
2008 * @link_settings - if not NULL, force preferred link settings to the link.
2009 * @lt_override - a set of override pointers. If any pointer is none NULL, dc
2010 * will apply this particular override in future link training. If NULL is
2011 * passed in, dc resets previous overrides.
2012 * NOTE: DM must keep the memory from override pointers until DM resets preferred
2013 * training settings.
2015 void dc_link_set_preferred_training_settings(struct dc *dc,
2016 struct dc_link_settings *link_setting,
2017 struct dc_link_training_overrides *lt_overrides,
2018 struct dc_link *link,
2019 bool skip_immediate_retrain);
2021 /* return - true if FEC is supported with connected DP RX, false otherwise */
2022 bool dc_link_is_fec_supported(const struct dc_link *link);
2024 /* query FEC enablement policy to determine if FEC will be enabled by dc during
2026 * return - true if FEC should be enabled, false otherwise.
2028 bool dc_link_should_enable_fec(const struct dc_link *link);
2030 /* determine lttpr mode the current link should be enabled with a specific link
2033 enum lttpr_mode dc_link_decide_lttpr_mode(struct dc_link *link,
2034 struct dc_link_settings *link_setting);
2036 /* Force DP RX to update its power state.
2037 * NOTE: this interface doesn't update dp main-link. Calling this function will
2038 * cause DP TX main-link and DP RX power states out of sync. DM has to restore
2039 * RX power state back upon finish DM specific execution requiring DP RX in a
2040 * specific power state.
2041 * @on - true to set DP RX in D0 power state, false to set DP RX in D3 power
2044 void dc_link_dp_receiver_power_ctrl(struct dc_link *link, bool on);
2046 /* Force link to read base dp receiver caps from dpcd 000h - 00Fh and overwrite
2047 * current value read from extended receiver cap from 02200h - 0220Fh.
2048 * Some DP RX has problems of providing accurate DP receiver caps from extended
2049 * field, this interface is a workaround to revert link back to use base caps.
2051 void dc_link_overwrite_extended_receiver_cap(
2052 struct dc_link *link);
2054 void dc_link_edp_panel_backlight_power_on(struct dc_link *link,
2057 /* Set backlight level of an embedded panel (eDP, LVDS).
2058 * backlight_pwm_u16_16 is unsigned 32 bit with 16 bit integer
2059 * and 16 bit fractional, where 1.0 is max backlight value.
2061 bool dc_link_set_backlight_level(const struct dc_link *dc_link,
2062 uint32_t backlight_pwm_u16_16,
2063 uint32_t frame_ramp);
2065 /* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */
2066 bool dc_link_set_backlight_level_nits(struct dc_link *link,
2068 uint32_t backlight_millinits,
2069 uint32_t transition_time_in_ms);
2071 bool dc_link_get_backlight_level_nits(struct dc_link *link,
2072 uint32_t *backlight_millinits,
2073 uint32_t *backlight_millinits_peak);
2075 int dc_link_get_backlight_level(const struct dc_link *dc_link);
2077 int dc_link_get_target_backlight_pwm(const struct dc_link *link);
2079 bool dc_link_set_psr_allow_active(struct dc_link *dc_link, const bool *enable,
2080 bool wait, bool force_static, const unsigned int *power_opts);
2082 bool dc_link_get_psr_state(const struct dc_link *dc_link, enum dc_psr_state *state);
2084 bool dc_link_setup_psr(struct dc_link *dc_link,
2085 const struct dc_stream_state *stream, struct psr_config *psr_config,
2086 struct psr_context *psr_context);
2089 * Communicate with DMUB to allow or disallow Panel Replay on the specified link:
2091 * @link: pointer to the dc_link struct instance
2092 * @enable: enable(active) or disable(inactive) replay
2093 * @wait: state transition need to wait the active set completed.
2094 * @force_static: force disable(inactive) the replay
2095 * @power_opts: set power optimazation parameters to DMUB.
2097 * return: allow Replay active will return true, else will return false.
2099 bool dc_link_set_replay_allow_active(struct dc_link *dc_link, const bool *enable,
2100 bool wait, bool force_static, const unsigned int *power_opts);
2102 bool dc_link_get_replay_state(const struct dc_link *dc_link, uint64_t *state);
2104 /* On eDP links this function call will stall until T12 has elapsed.
2105 * If the panel is not in power off state, this function will return
2108 bool dc_link_wait_for_t12(struct dc_link *link);
2110 /* Determine if dp trace has been initialized to reflect upto date result *
2111 * return - true if trace is initialized and has valid data. False dp trace
2112 * doesn't have valid result.
2114 bool dc_dp_trace_is_initialized(struct dc_link *link);
2116 /* Query a dp trace flag to indicate if the current dp trace data has been
2119 bool dc_dp_trace_is_logged(struct dc_link *link,
2122 /* Set dp trace flag to indicate whether DM has already logged the current dp
2123 * trace data. DM can set is_logged to true upon logging and check
2124 * dc_dp_trace_is_logged before logging to avoid logging the same result twice.
2126 void dc_dp_trace_set_is_logged_flag(struct dc_link *link,
2130 /* Obtain driver time stamp for last dp link training end. The time stamp is
2131 * formatted based on dm_get_timestamp DM function.
2132 * @in_detection - true to get link training end time stamp of last link
2133 * training in detection sequence. false to get link training end time stamp
2134 * of last link training in commit (dpms) sequence
2136 unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link,
2139 /* Get how many link training attempts dc has done with latest sequence.
2140 * @in_detection - true to get link training count of last link
2141 * training in detection sequence. false to get link training count of last link
2142 * training in commit (dpms) sequence
2144 const struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link,
2147 /* Get how many link loss has happened since last link training attempts */
2148 unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link);
2151 * USB4 DPIA BW ALLOCATION PUBLIC FUNCTIONS
2154 * Send a request from DP-Tx requesting to allocate BW remotely after
2155 * allocating it locally. This will get processed by CM and a CB function
2158 * @link: pointer to the dc_link struct instance
2159 * @req_bw: The requested bw in Kbyte to allocated
2163 void dc_link_set_usb4_req_bw_req(struct dc_link *link, int req_bw);
2166 * Handle function for when the status of the Request above is complete.
2167 * We will find out the result of allocating on CM and update structs.
2169 * @link: pointer to the dc_link struct instance
2170 * @bw: Allocated or Estimated BW depending on the result
2171 * @result: Response type
2175 void dc_link_handle_usb4_bw_alloc_response(struct dc_link *link,
2176 uint8_t bw, uint8_t result);
2179 * Handle the USB4 BW Allocation related functionality here:
2180 * Plug => Try to allocate max bw from timing parameters supported by the sink
2181 * Unplug => de-allocate bw
2183 * @link: pointer to the dc_link struct instance
2184 * @peak_bw: Peak bw used by the link/sink
2186 * return: allocated bw else return 0
2188 int dc_link_dp_dpia_handle_usb4_bandwidth_allocation_for_link(
2189 struct dc_link *link, int peak_bw);
2192 * Validate the BW of all the valid DPIA links to make sure it doesn't exceed
2193 * available BW for each host router
2195 * @dc: pointer to dc struct
2196 * @stream: pointer to all possible streams
2197 * @count: number of valid DPIA streams
2199 * return: TRUE if bw used by DPIAs doesn't exceed available BW else return FALSE
2201 bool dc_link_dp_dpia_validate(struct dc *dc, const struct dc_stream_state *streams,
2202 const unsigned int count);
2204 /* Sink Interfaces - A sink corresponds to a display output device */
2206 struct dc_container_id {
2207 // 128bit GUID in binary form
2208 unsigned char guid[16];
2209 // 8 byte port ID -> ELD.PortID
2210 unsigned int portId[2];
2211 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
2212 unsigned short manufacturerName;
2213 // 2 byte product code -> ELD.ProductCode
2214 unsigned short productCode;
2218 struct dc_sink_dsc_caps {
2219 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology),
2220 // 'false' if they are sink's DSC caps
2221 bool is_virtual_dpcd_dsc;
2222 #if defined(CONFIG_DRM_AMD_DC_FP)
2223 // 'true' if MST topology supports DSC passthrough for sink
2224 // 'false' if MST topology does not support DSC passthrough
2225 bool is_dsc_passthrough_supported;
2227 struct dsc_dec_dpcd_caps dsc_dec_caps;
2230 struct dc_sink_fec_caps {
2231 bool is_rx_fec_supported;
2232 bool is_topology_fec_supported;
2236 union hdmi_scdc_manufacturer_OUI_data manufacturer_OUI;
2237 union hdmi_scdc_device_id_data device_id;
2241 * The sink structure contains EDID and other display device properties
2244 enum signal_type sink_signal;
2245 struct dc_edid dc_edid; /* raw edid */
2246 struct dc_edid_caps edid_caps; /* parse display caps */
2247 struct dc_container_id *dc_container_id;
2248 uint32_t dongle_max_pix_clk;
2250 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
2251 bool converter_disable_audio;
2253 struct scdc_caps scdc_caps;
2254 struct dc_sink_dsc_caps dsc_caps;
2255 struct dc_sink_fec_caps fec_caps;
2257 bool is_vsc_sdp_colorimetry_supported;
2259 /* private to DC core */
2260 struct dc_link *link;
2261 struct dc_context *ctx;
2265 /* private to dc_sink.c */
2266 // refcount must be the last member in dc_sink, since we want the
2267 // sink structure to be logically cloneable up to (but not including)
2269 struct kref refcount;
2272 void dc_sink_retain(struct dc_sink *sink);
2273 void dc_sink_release(struct dc_sink *sink);
2275 struct dc_sink_init_data {
2276 enum signal_type sink_signal;
2277 struct dc_link *link;
2278 uint32_t dongle_max_pix_clk;
2279 bool converter_disable_audio;
2282 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
2284 /* Newer interfaces */
2286 struct dc_plane_address address;
2287 struct dc_cursor_attributes attributes;
2291 /* Interrupt interfaces */
2292 enum dc_irq_source dc_interrupt_to_irq_source(
2296 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
2297 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
2298 enum dc_irq_source dc_get_hpd_irq_source_at_index(
2299 struct dc *dc, uint32_t link_index);
2301 void dc_notify_vsync_int_state(struct dc *dc, struct dc_stream_state *stream, bool enable);
2303 /* Power Interfaces */
2305 void dc_set_power_state(
2307 enum dc_acpi_cm_power_state power_state);
2308 void dc_resume(struct dc *dc);
2310 void dc_power_down_on_boot(struct dc *dc);
2315 enum hdcp_message_status dc_process_hdcp_msg(
2316 enum signal_type signal,
2317 struct dc_link *link,
2318 struct hdcp_protection_message *message_info);
2319 bool dc_is_dmcu_initialized(struct dc *dc);
2321 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
2322 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg);
2324 bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, struct dc_plane_state *plane,
2325 struct dc_cursor_attributes *cursor_attr);
2327 void dc_allow_idle_optimizations(struct dc *dc, bool allow);
2328 bool dc_dmub_is_ips_idle_state(struct dc *dc);
2330 /* set min and max memory clock to lowest and highest DPM level, respectively */
2331 void dc_unlock_memory_clock_frequency(struct dc *dc);
2333 /* set min memory clock to the min required for current mode, max to maxDPM */
2334 void dc_lock_memory_clock_frequency(struct dc *dc);
2336 /* set soft max for memclk, to be used for AC/DC switching clock limitations */
2337 void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable);
2339 /* cleanup on driver unload */
2340 void dc_hardware_release(struct dc *dc);
2342 /* disables fw based mclk switch */
2343 void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc);
2345 bool dc_set_psr_allow_active(struct dc *dc, bool enable);
2347 bool dc_set_replay_allow_active(struct dc *dc, bool active);
2349 void dc_z10_restore(const struct dc *dc);
2350 void dc_z10_save_init(struct dc *dc);
2352 bool dc_is_dmub_outbox_supported(struct dc *dc);
2353 bool dc_enable_dmub_notifications(struct dc *dc);
2355 bool dc_abm_save_restore(
2357 struct dc_stream_state *stream,
2358 struct abm_save_restore *pData);
2360 void dc_enable_dmub_outbox(struct dc *dc);
2362 bool dc_process_dmub_aux_transfer_async(struct dc *dc,
2363 uint32_t link_index,
2364 struct aux_payload *payload);
2366 /* Get dc link index from dpia port index */
2367 uint8_t get_link_index_from_dpia_port_index(const struct dc *dc,
2368 uint8_t dpia_port_index);
2370 bool dc_process_dmub_set_config_async(struct dc *dc,
2371 uint32_t link_index,
2372 struct set_config_cmd_payload *payload,
2373 struct dmub_notification *notify);
2375 enum dc_status dc_process_dmub_set_mst_slots(const struct dc *dc,
2376 uint32_t link_index,
2377 uint8_t mst_alloc_slots,
2378 uint8_t *mst_slots_in_use);
2380 void dc_process_dmub_dpia_hpd_int_enable(const struct dc *dc,
2381 uint32_t hpd_int_enable);
2383 void dc_print_dmub_diagnostic_data(const struct dc *dc);
2385 void dc_query_current_properties(struct dc *dc, struct dc_current_properties *properties);
2387 struct dc_power_profile {
2388 int power_level; /* Lower is better */
2391 struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state *context);
2393 /* DSC Interfaces */
2396 /* Disable acc mode Interfaces */
2397 void dc_disable_accelerated_mode(struct dc *dc);
2399 bool dc_is_timing_changed(struct dc_stream_state *cur_stream,
2400 struct dc_stream_state *new_stream);
2402 #endif /* DC_INTERFACE_H_ */