1 /* 2 * Copyright 2012-2023 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef DC_INTERFACE_H_ 27 #define DC_INTERFACE_H_ 28 29 #include "dc_types.h" 30 #include "dc_state.h" 31 #include "dc_plane.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> 39 40 #include "hwss/hw_sequencer.h" 41 #include "inc/compressor.h" 42 #include "inc/hw/dmcu.h" 43 #include "dml/display_mode_lib.h" 44 45 #include "dml2/dml2_wrapper.h" 46 47 #include "dmub/inc/dmub_cmd.h" 48 49 #include "sspl/dc_spl_types.h" 50 51 struct abm_save_restore; 52 53 /* forward declaration */ 54 struct aux_payload; 55 struct set_config_cmd_payload; 56 struct dmub_notification; 57 58 #define DC_VER "3.2.343" 59 60 /** 61 * MAX_SURFACES - representative of the upper bound of surfaces that can be piped to a single CRTC 62 */ 63 #define MAX_SURFACES 4 64 /** 65 * MAX_PLANES - representative of the upper bound of planes that are supported by the HW 66 */ 67 #define MAX_PLANES 6 68 #define MAX_STREAMS 6 69 #define MIN_VIEWPORT_SIZE 12 70 #define MAX_NUM_EDP 2 71 #define MAX_SUPPORTED_FORMATS 7 72 73 #define MAX_HOST_ROUTERS_NUM 3 74 #define MAX_DPIA_PER_HOST_ROUTER 3 75 #define MAX_DPIA_NUM (MAX_HOST_ROUTERS_NUM * MAX_DPIA_PER_HOST_ROUTER) 76 77 /* Display Core Interfaces */ 78 struct dc_versions { 79 const char *dc_ver; 80 struct dmcu_version dmcu_version; 81 }; 82 83 enum dp_protocol_version { 84 DP_VERSION_1_4 = 0, 85 DP_VERSION_2_1, 86 DP_VERSION_UNKNOWN, 87 }; 88 89 enum dc_plane_type { 90 DC_PLANE_TYPE_INVALID, 91 DC_PLANE_TYPE_DCE_RGB, 92 DC_PLANE_TYPE_DCE_UNDERLAY, 93 DC_PLANE_TYPE_DCN_UNIVERSAL, 94 }; 95 96 // Sizes defined as multiples of 64KB 97 enum det_size { 98 DET_SIZE_DEFAULT = 0, 99 DET_SIZE_192KB = 3, 100 DET_SIZE_256KB = 4, 101 DET_SIZE_320KB = 5, 102 DET_SIZE_384KB = 6 103 }; 104 105 106 struct dc_plane_cap { 107 enum dc_plane_type type; 108 uint32_t per_pixel_alpha : 1; 109 struct { 110 uint32_t argb8888 : 1; 111 uint32_t nv12 : 1; 112 uint32_t fp16 : 1; 113 uint32_t p010 : 1; 114 uint32_t ayuv : 1; 115 } pixel_format_support; 116 // max upscaling factor x1000 117 // upscaling factors are always >= 1 118 // for example, 1080p -> 8K is 4.0, or 4000 raw value 119 struct { 120 uint32_t argb8888; 121 uint32_t nv12; 122 uint32_t fp16; 123 } max_upscale_factor; 124 // max downscale factor x1000 125 // downscale factors are always <= 1 126 // for example, 8K -> 1080p is 0.25, or 250 raw value 127 struct { 128 uint32_t argb8888; 129 uint32_t nv12; 130 uint32_t fp16; 131 } max_downscale_factor; 132 // minimal width/height 133 uint32_t min_width; 134 uint32_t min_height; 135 }; 136 137 /** 138 * DOC: color-management-caps 139 * 140 * **Color management caps (DPP and MPC)** 141 * 142 * Modules/color calculates various color operations which are translated to 143 * abstracted HW. DCE 5-12 had almost no important changes, but starting with 144 * DCN1, every new generation comes with fairly major differences in color 145 * pipeline. Therefore, we abstract color pipe capabilities so modules/DM can 146 * decide mapping to HW block based on logical capabilities. 147 */ 148 149 /** 150 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma 151 * @srgb: RGB color space transfer func 152 * @bt2020: BT.2020 transfer func 153 * @gamma2_2: standard gamma 154 * @pq: perceptual quantizer transfer function 155 * @hlg: hybrid log–gamma transfer function 156 */ 157 struct rom_curve_caps { 158 uint16_t srgb : 1; 159 uint16_t bt2020 : 1; 160 uint16_t gamma2_2 : 1; 161 uint16_t pq : 1; 162 uint16_t hlg : 1; 163 }; 164 165 /** 166 * struct dpp_color_caps - color pipeline capabilities for display pipe and 167 * plane blocks 168 * 169 * @dcn_arch: all DCE generations treated the same 170 * @input_lut_shared: shared with DGAM. Input LUT is different than most LUTs, 171 * just plain 256-entry lookup 172 * @icsc: input color space conversion 173 * @dgam_ram: programmable degamma LUT 174 * @post_csc: post color space conversion, before gamut remap 175 * @gamma_corr: degamma correction 176 * @hw_3d_lut: 3D LUT support. It implies a shaper LUT before. It may be shared 177 * with MPC by setting mpc:shared_3d_lut flag 178 * @ogam_ram: programmable out/blend gamma LUT 179 * @ocsc: output color space conversion 180 * @dgam_rom_for_yuv: pre-defined degamma LUT for YUV planes 181 * @dgam_rom_caps: pre-definied curve caps for degamma 1D LUT 182 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT 183 * 184 * Note: hdr_mult and gamut remap (CTM) are always available in DPP (in that order) 185 */ 186 struct dpp_color_caps { 187 uint16_t dcn_arch : 1; 188 uint16_t input_lut_shared : 1; 189 uint16_t icsc : 1; 190 uint16_t dgam_ram : 1; 191 uint16_t post_csc : 1; 192 uint16_t gamma_corr : 1; 193 uint16_t hw_3d_lut : 1; 194 uint16_t ogam_ram : 1; 195 uint16_t ocsc : 1; 196 uint16_t dgam_rom_for_yuv : 1; 197 struct rom_curve_caps dgam_rom_caps; 198 struct rom_curve_caps ogam_rom_caps; 199 }; 200 201 /* Below structure is to describe the HW support for mem layout, extend support 202 range to match what OS could handle in the roadmap */ 203 struct lut3d_caps { 204 uint32_t dma_3d_lut : 1; /*< DMA mode support for 3D LUT */ 205 struct { 206 uint32_t swizzle_3d_rgb : 1; 207 uint32_t swizzle_3d_bgr : 1; 208 uint32_t linear_1d : 1; 209 } mem_layout_support; 210 struct { 211 uint32_t unorm_12msb : 1; 212 uint32_t unorm_12lsb : 1; 213 uint32_t float_fp1_5_10 : 1; 214 } mem_format_support; 215 struct { 216 uint32_t order_rgba : 1; 217 uint32_t order_bgra : 1; 218 } mem_pixel_order_support; 219 /*< size options are 9, 17, 33, 45, 65 */ 220 struct { 221 uint32_t dim_9 : 1; /* 3D LUT support for 9x9x9 */ 222 uint32_t dim_17 : 1; /* 3D LUT support for 17x17x17 */ 223 uint32_t dim_33 : 1; /* 3D LUT support for 33x33x33 */ 224 uint32_t dim_45 : 1; /* 3D LUT support for 45x45x45 */ 225 uint32_t dim_65 : 1; /* 3D LUT support for 65x65x65 */ 226 } lut_dim_caps; 227 }; 228 229 /** 230 * struct mpc_color_caps - color pipeline capabilities for multiple pipe and 231 * plane combined blocks 232 * 233 * @gamut_remap: color transformation matrix 234 * @ogam_ram: programmable out gamma LUT 235 * @ocsc: output color space conversion matrix 236 * @num_3dluts: MPC 3D LUT; always assumes a preceding shaper LUT 237 * @shared_3d_lut: shared 3D LUT flag. Can be either DPP or MPC, but single 238 * instance 239 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT 240 * @mcm_3d_lut_caps: HW support cap for MCM LUT memory 241 * @rmcm_3d_lut_caps: HW support cap for RMCM LUT memory 242 * @preblend: whether color manager supports preblend with MPC 243 */ 244 struct mpc_color_caps { 245 uint16_t gamut_remap : 1; 246 uint16_t ogam_ram : 1; 247 uint16_t ocsc : 1; 248 uint16_t num_3dluts : 3; 249 uint16_t num_rmcm_3dluts : 3; 250 uint16_t shared_3d_lut:1; 251 struct rom_curve_caps ogam_rom_caps; 252 struct lut3d_caps mcm_3d_lut_caps; 253 struct lut3d_caps rmcm_3d_lut_caps; 254 bool preblend; 255 }; 256 257 /** 258 * struct dc_color_caps - color pipes capabilities for DPP and MPC hw blocks 259 * @dpp: color pipes caps for DPP 260 * @mpc: color pipes caps for MPC 261 */ 262 struct dc_color_caps { 263 struct dpp_color_caps dpp; 264 struct mpc_color_caps mpc; 265 }; 266 267 struct dc_dmub_caps { 268 bool psr; 269 bool mclk_sw; 270 bool subvp_psr; 271 bool gecc_enable; 272 uint8_t fams_ver; 273 bool aux_backlight_support; 274 }; 275 276 struct dc_scl_caps { 277 bool sharpener_support; 278 }; 279 280 struct dc_caps { 281 uint32_t max_streams; 282 uint32_t max_links; 283 uint32_t max_audios; 284 uint32_t max_slave_planes; 285 uint32_t max_slave_yuv_planes; 286 uint32_t max_slave_rgb_planes; 287 uint32_t max_planes; 288 uint32_t max_downscale_ratio; 289 uint32_t i2c_speed_in_khz; 290 uint32_t i2c_speed_in_khz_hdcp; 291 uint32_t dmdata_alloc_size; 292 unsigned int max_cursor_size; 293 unsigned int max_buffered_cursor_size; 294 unsigned int max_video_width; 295 /* 296 * max video plane width that can be safely assumed to be always 297 * supported by single DPP pipe. 298 */ 299 unsigned int max_optimizable_video_width; 300 unsigned int min_horizontal_blanking_period; 301 int linear_pitch_alignment; 302 bool dcc_const_color; 303 bool dynamic_audio; 304 bool is_apu; 305 bool dual_link_dvi; 306 bool post_blend_color_processing; 307 bool force_dp_tps4_for_cp2520; 308 bool disable_dp_clk_share; 309 bool psp_setup_panel_mode; 310 bool extended_aux_timeout_support; 311 bool dmcub_support; 312 bool zstate_support; 313 bool ips_support; 314 bool ips_v2_support; 315 uint32_t num_of_internal_disp; 316 enum dp_protocol_version max_dp_protocol_version; 317 unsigned int mall_size_per_mem_channel; 318 unsigned int mall_size_total; 319 unsigned int cursor_cache_size; 320 struct dc_plane_cap planes[MAX_PLANES]; 321 struct dc_color_caps color; 322 struct dc_dmub_caps dmub_caps; 323 bool dp_hpo; 324 bool dp_hdmi21_pcon_support; 325 bool edp_dsc_support; 326 bool vbios_lttpr_aware; 327 bool vbios_lttpr_enable; 328 bool fused_io_supported; 329 uint32_t max_otg_num; 330 uint32_t max_cab_allocation_bytes; 331 uint32_t cache_line_size; 332 uint32_t cache_num_ways; 333 uint16_t subvp_fw_processing_delay_us; 334 uint8_t subvp_drr_max_vblank_margin_us; 335 uint16_t subvp_prefetch_end_to_mall_start_us; 336 uint8_t subvp_swath_height_margin_lines; // subvp start line must be aligned to 2 x swath height 337 uint16_t subvp_pstate_allow_width_us; 338 uint16_t subvp_vertical_int_margin_us; 339 bool seamless_odm; 340 uint32_t max_v_total; 341 bool vtotal_limited_by_fp2; 342 uint32_t max_disp_clock_khz_at_vmin; 343 uint8_t subvp_drr_vblank_start_margin_us; 344 bool cursor_not_scaled; 345 bool dcmode_power_limits_present; 346 bool sequential_ono; 347 /* Conservative limit for DCC cases which require ODM4:1 to support*/ 348 uint32_t dcc_plane_width_limit; 349 struct dc_scl_caps scl_caps; 350 uint8_t num_of_host_routers; 351 uint8_t num_of_dpias_per_host_router; 352 /* limit of the ODM only, could be limited by other factors (like pipe count)*/ 353 uint8_t max_odm_combine_factor; 354 }; 355 356 struct dc_bug_wa { 357 bool no_connect_phy_config; 358 bool dedcn20_305_wa; 359 bool skip_clock_update; 360 bool lt_early_cr_pattern; 361 struct { 362 uint8_t uclk : 1; 363 uint8_t fclk : 1; 364 uint8_t dcfclk : 1; 365 uint8_t dcfclk_ds: 1; 366 } clock_update_disable_mask; 367 bool skip_psr_ips_crtc_disable; 368 }; 369 struct dc_dcc_surface_param { 370 struct dc_size surface_size; 371 enum surface_pixel_format format; 372 unsigned int plane0_pitch; 373 struct dc_size plane1_size; 374 unsigned int plane1_pitch; 375 union { 376 enum swizzle_mode_values swizzle_mode; 377 enum swizzle_mode_addr3_values swizzle_mode_addr3; 378 }; 379 enum dc_scan_direction scan; 380 }; 381 382 struct dc_dcc_setting { 383 unsigned int max_compressed_blk_size; 384 unsigned int max_uncompressed_blk_size; 385 bool independent_64b_blks; 386 //These bitfields to be used starting with DCN 3.0 387 struct { 388 uint32_t dcc_256_64_64 : 1;//available in ASICs before DCN 3.0 (the worst compression case) 389 uint32_t dcc_128_128_uncontrained : 1; //available in ASICs before DCN 3.0 390 uint32_t dcc_256_128_128 : 1; //available starting with DCN 3.0 391 uint32_t dcc_256_256_unconstrained : 1; //available in ASICs before DCN 3.0 (the best compression case) 392 uint32_t dcc_256_256 : 1; //available in ASICs starting with DCN 4.0x (the best compression case) 393 uint32_t dcc_256_128 : 1; //available in ASICs starting with DCN 4.0x 394 uint32_t dcc_256_64 : 1; //available in ASICs starting with DCN 4.0x (the worst compression case) 395 } dcc_controls; 396 }; 397 398 struct dc_surface_dcc_cap { 399 union { 400 struct { 401 struct dc_dcc_setting rgb; 402 } grph; 403 404 struct { 405 struct dc_dcc_setting luma; 406 struct dc_dcc_setting chroma; 407 } video; 408 }; 409 410 bool capable; 411 bool const_color_support; 412 }; 413 414 struct dc_static_screen_params { 415 struct { 416 bool force_trigger; 417 bool cursor_update; 418 bool surface_update; 419 bool overlay_update; 420 } triggers; 421 unsigned int num_frames; 422 }; 423 424 425 /* Surface update type is used by dc_update_surfaces_and_stream 426 * The update type is determined at the very beginning of the function based 427 * on parameters passed in and decides how much programming (or updating) is 428 * going to be done during the call. 429 * 430 * UPDATE_TYPE_FAST is used for really fast updates that do not require much 431 * logical calculations or hardware register programming. This update MUST be 432 * ISR safe on windows. Currently fast update will only be used to flip surface 433 * address. 434 * 435 * UPDATE_TYPE_MED is used for slower updates which require significant hw 436 * re-programming however do not affect bandwidth consumption or clock 437 * requirements. At present, this is the level at which front end updates 438 * that do not require us to run bw_calcs happen. These are in/out transfer func 439 * updates, viewport offset changes, recout size changes and pixel depth changes. 440 * This update can be done at ISR, but we want to minimize how often this happens. 441 * 442 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our 443 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front 444 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or 445 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do 446 * a full update. This cannot be done at ISR level and should be a rare event. 447 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting 448 * underscan we don't expect to see this call at all. 449 */ 450 451 enum surface_update_type { 452 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */ 453 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/ 454 UPDATE_TYPE_FULL, /* may need to shuffle resources */ 455 }; 456 457 /* Forward declaration*/ 458 struct dc; 459 struct dc_plane_state; 460 struct dc_state; 461 462 struct dc_cap_funcs { 463 bool (*get_dcc_compression_cap)(const struct dc *dc, 464 const struct dc_dcc_surface_param *input, 465 struct dc_surface_dcc_cap *output); 466 bool (*get_subvp_en)(struct dc *dc, struct dc_state *context); 467 }; 468 469 struct link_training_settings; 470 471 union allow_lttpr_non_transparent_mode { 472 struct { 473 bool DP1_4A : 1; 474 bool DP2_0 : 1; 475 } bits; 476 unsigned char raw; 477 }; 478 479 /* Structure to hold configuration flags set by dm at dc creation. */ 480 struct dc_config { 481 bool gpu_vm_support; 482 bool disable_disp_pll_sharing; 483 bool fbc_support; 484 bool disable_fractional_pwm; 485 bool allow_seamless_boot_optimization; 486 bool seamless_boot_edp_requested; 487 bool edp_not_connected; 488 bool edp_no_power_sequencing; 489 bool force_enum_edp; 490 bool forced_clocks; 491 union allow_lttpr_non_transparent_mode allow_lttpr_non_transparent_mode; 492 bool multi_mon_pp_mclk_switch; 493 bool disable_dmcu; 494 bool enable_4to1MPC; 495 bool enable_windowed_mpo_odm; 496 bool forceHBR2CP2520; // Used for switching between test patterns TPS4 and CP2520 497 uint32_t allow_edp_hotplug_detection; 498 bool skip_riommu_prefetch_wa; 499 bool clamp_min_dcfclk; 500 uint64_t vblank_alignment_dto_params; 501 uint8_t vblank_alignment_max_frame_time_diff; 502 bool is_asymmetric_memory; 503 bool is_single_rank_dimm; 504 bool is_vmin_only_asic; 505 bool use_spl; 506 bool prefer_easf; 507 bool use_pipe_ctx_sync_logic; 508 int smart_mux_version; 509 bool ignore_dpref_ss; 510 bool enable_mipi_converter_optimization; 511 bool use_default_clock_table; 512 bool force_bios_enable_lttpr; 513 uint8_t force_bios_fixed_vs; 514 int sdpif_request_limit_words_per_umc; 515 bool dc_mode_clk_limit_support; 516 bool EnableMinDispClkODM; 517 bool enable_auto_dpm_test_logs; 518 unsigned int disable_ips; 519 unsigned int disable_ips_rcg; 520 unsigned int disable_ips_in_vpb; 521 bool disable_ips_in_dpms_off; 522 bool usb4_bw_alloc_support; 523 bool allow_0_dtb_clk; 524 bool use_assr_psp_message; 525 bool support_edp0_on_dp1; 526 unsigned int enable_fpo_flicker_detection; 527 bool disable_hbr_audio_dp2; 528 bool consolidated_dpia_dp_lt; 529 bool set_pipe_unlock_order; 530 bool enable_dpia_pre_training; 531 bool unify_link_enc_assignment; 532 struct spl_sharpness_range dcn_sharpness_range; 533 struct spl_sharpness_range dcn_override_sharpness_range; 534 }; 535 536 enum visual_confirm { 537 VISUAL_CONFIRM_DISABLE = 0, 538 VISUAL_CONFIRM_SURFACE = 1, 539 VISUAL_CONFIRM_HDR = 2, 540 VISUAL_CONFIRM_MPCTREE = 4, 541 VISUAL_CONFIRM_PSR = 5, 542 VISUAL_CONFIRM_SWAPCHAIN = 6, 543 VISUAL_CONFIRM_FAMS = 7, 544 VISUAL_CONFIRM_SWIZZLE = 9, 545 VISUAL_CONFIRM_SMARTMUX_DGPU = 10, 546 VISUAL_CONFIRM_REPLAY = 12, 547 VISUAL_CONFIRM_SUBVP = 14, 548 VISUAL_CONFIRM_MCLK_SWITCH = 16, 549 VISUAL_CONFIRM_FAMS2 = 19, 550 VISUAL_CONFIRM_HW_CURSOR = 20, 551 VISUAL_CONFIRM_VABC = 21, 552 VISUAL_CONFIRM_DCC = 22, 553 VISUAL_CONFIRM_EXPLICIT = 0x80000000, 554 }; 555 556 enum dc_psr_power_opts { 557 psr_power_opt_invalid = 0x0, 558 psr_power_opt_smu_opt_static_screen = 0x1, 559 psr_power_opt_z10_static_screen = 0x10, 560 psr_power_opt_ds_disable_allow = 0x100, 561 }; 562 563 enum dml_hostvm_override_opts { 564 DML_HOSTVM_NO_OVERRIDE = 0x0, 565 DML_HOSTVM_OVERRIDE_FALSE = 0x1, 566 DML_HOSTVM_OVERRIDE_TRUE = 0x2, 567 }; 568 569 enum dc_replay_power_opts { 570 replay_power_opt_invalid = 0x0, 571 replay_power_opt_smu_opt_static_screen = 0x1, 572 replay_power_opt_z10_static_screen = 0x10, 573 }; 574 575 enum dcc_option { 576 DCC_ENABLE = 0, 577 DCC_DISABLE = 1, 578 DCC_HALF_REQ_DISALBE = 2, 579 }; 580 581 enum in_game_fams_config { 582 INGAME_FAMS_SINGLE_DISP_ENABLE, // enable in-game fams 583 INGAME_FAMS_DISABLE, // disable in-game fams 584 INGAME_FAMS_MULTI_DISP_ENABLE, //enable in-game fams for multi-display 585 INGAME_FAMS_MULTI_DISP_CLAMPED_ONLY, //enable in-game fams for multi-display only for clamped RR strategies 586 }; 587 588 /** 589 * enum pipe_split_policy - Pipe split strategy supported by DCN 590 * 591 * This enum is used to define the pipe split policy supported by DCN. By 592 * default, DC favors MPC_SPLIT_DYNAMIC. 593 */ 594 enum pipe_split_policy { 595 /** 596 * @MPC_SPLIT_DYNAMIC: DC will automatically decide how to split the 597 * pipe in order to bring the best trade-off between performance and 598 * power consumption. This is the recommended option. 599 */ 600 MPC_SPLIT_DYNAMIC = 0, 601 602 /** 603 * @MPC_SPLIT_AVOID: Avoid pipe split, which means that DC will not 604 * try any sort of split optimization. 605 */ 606 MPC_SPLIT_AVOID = 1, 607 608 /** 609 * @MPC_SPLIT_AVOID_MULT_DISP: With this option, DC will only try to 610 * optimize the pipe utilization when using a single display; if the 611 * user connects to a second display, DC will avoid pipe split. 612 */ 613 MPC_SPLIT_AVOID_MULT_DISP = 2, 614 }; 615 616 enum wm_report_mode { 617 WM_REPORT_DEFAULT = 0, 618 WM_REPORT_OVERRIDE = 1, 619 }; 620 enum dtm_pstate{ 621 dtm_level_p0 = 0,/*highest voltage*/ 622 dtm_level_p1, 623 dtm_level_p2, 624 dtm_level_p3, 625 dtm_level_p4,/*when active_display_count = 0*/ 626 }; 627 628 enum dcn_pwr_state { 629 DCN_PWR_STATE_UNKNOWN = -1, 630 DCN_PWR_STATE_MISSION_MODE = 0, 631 DCN_PWR_STATE_LOW_POWER = 3, 632 }; 633 634 enum dcn_zstate_support_state { 635 DCN_ZSTATE_SUPPORT_UNKNOWN, 636 DCN_ZSTATE_SUPPORT_ALLOW, 637 DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY, 638 DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY, 639 DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY, 640 DCN_ZSTATE_SUPPORT_DISALLOW, 641 }; 642 643 /* 644 * struct dc_clocks - DC pipe clocks 645 * 646 * For any clocks that may differ per pipe only the max is stored in this 647 * structure 648 */ 649 struct dc_clocks { 650 int dispclk_khz; 651 int actual_dispclk_khz; 652 int dppclk_khz; 653 int actual_dppclk_khz; 654 int disp_dpp_voltage_level_khz; 655 int dcfclk_khz; 656 int socclk_khz; 657 int dcfclk_deep_sleep_khz; 658 int fclk_khz; 659 int phyclk_khz; 660 int dramclk_khz; 661 bool p_state_change_support; 662 enum dcn_zstate_support_state zstate_support; 663 bool dtbclk_en; 664 int ref_dtbclk_khz; 665 bool fclk_p_state_change_support; 666 enum dcn_pwr_state pwr_state; 667 /* 668 * Elements below are not compared for the purposes of 669 * optimization required 670 */ 671 bool prev_p_state_change_support; 672 bool fclk_prev_p_state_change_support; 673 int num_ways; 674 int host_router_bw_kbps[MAX_HOST_ROUTERS_NUM]; 675 676 /* 677 * @fw_based_mclk_switching 678 * 679 * DC has a mechanism that leverage the variable refresh rate to switch 680 * memory clock in cases that we have a large latency to achieve the 681 * memory clock change and a short vblank window. DC has some 682 * requirements to enable this feature, and this field describes if the 683 * system support or not such a feature. 684 */ 685 bool fw_based_mclk_switching; 686 bool fw_based_mclk_switching_shut_down; 687 int prev_num_ways; 688 enum dtm_pstate dtm_level; 689 int max_supported_dppclk_khz; 690 int max_supported_dispclk_khz; 691 int bw_dppclk_khz; /*a copy of dppclk_khz*/ 692 int bw_dispclk_khz; 693 int idle_dramclk_khz; 694 int idle_fclk_khz; 695 int subvp_prefetch_dramclk_khz; 696 int subvp_prefetch_fclk_khz; 697 }; 698 699 struct dc_bw_validation_profile { 700 bool enable; 701 702 unsigned long long total_ticks; 703 unsigned long long voltage_level_ticks; 704 unsigned long long watermark_ticks; 705 unsigned long long rq_dlg_ticks; 706 707 unsigned long long total_count; 708 unsigned long long skip_fast_count; 709 unsigned long long skip_pass_count; 710 unsigned long long skip_fail_count; 711 }; 712 713 #define BW_VAL_TRACE_SETUP() \ 714 unsigned long long end_tick = 0; \ 715 unsigned long long voltage_level_tick = 0; \ 716 unsigned long long watermark_tick = 0; \ 717 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \ 718 dm_get_timestamp(dc->ctx) : 0 719 720 #define BW_VAL_TRACE_COUNT() \ 721 if (dc->debug.bw_val_profile.enable) \ 722 dc->debug.bw_val_profile.total_count++ 723 724 #define BW_VAL_TRACE_SKIP(status) \ 725 if (dc->debug.bw_val_profile.enable) { \ 726 if (!voltage_level_tick) \ 727 voltage_level_tick = dm_get_timestamp(dc->ctx); \ 728 dc->debug.bw_val_profile.skip_ ## status ## _count++; \ 729 } 730 731 #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \ 732 if (dc->debug.bw_val_profile.enable) \ 733 voltage_level_tick = dm_get_timestamp(dc->ctx) 734 735 #define BW_VAL_TRACE_END_WATERMARKS() \ 736 if (dc->debug.bw_val_profile.enable) \ 737 watermark_tick = dm_get_timestamp(dc->ctx) 738 739 #define BW_VAL_TRACE_FINISH() \ 740 if (dc->debug.bw_val_profile.enable) { \ 741 end_tick = dm_get_timestamp(dc->ctx); \ 742 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \ 743 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \ 744 if (watermark_tick) { \ 745 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \ 746 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \ 747 } \ 748 } 749 750 union mem_low_power_enable_options { 751 struct { 752 bool vga: 1; 753 bool i2c: 1; 754 bool dmcu: 1; 755 bool dscl: 1; 756 bool cm: 1; 757 bool mpc: 1; 758 bool optc: 1; 759 bool vpg: 1; 760 bool afmt: 1; 761 } bits; 762 uint32_t u32All; 763 }; 764 765 union root_clock_optimization_options { 766 struct { 767 bool dpp: 1; 768 bool dsc: 1; 769 bool hdmistream: 1; 770 bool hdmichar: 1; 771 bool dpstream: 1; 772 bool symclk32_se: 1; 773 bool symclk32_le: 1; 774 bool symclk_fe: 1; 775 bool physymclk: 1; 776 bool dpiasymclk: 1; 777 uint32_t reserved: 22; 778 } bits; 779 uint32_t u32All; 780 }; 781 782 union fine_grain_clock_gating_enable_options { 783 struct { 784 bool dccg_global_fgcg_rep : 1; /* Global fine grain clock gating of repeaters */ 785 bool dchub : 1; /* Display controller hub */ 786 bool dchubbub : 1; 787 bool dpp : 1; /* Display pipes and planes */ 788 bool opp : 1; /* Output pixel processing */ 789 bool optc : 1; /* Output pipe timing combiner */ 790 bool dio : 1; /* Display output */ 791 bool dwb : 1; /* Display writeback */ 792 bool mmhubbub : 1; /* Multimedia hub */ 793 bool dmu : 1; /* Display core management unit */ 794 bool az : 1; /* Azalia */ 795 bool dchvm : 1; 796 bool dsc : 1; /* Display stream compression */ 797 798 uint32_t reserved : 19; 799 } bits; 800 uint32_t u32All; 801 }; 802 803 enum pg_hw_pipe_resources { 804 PG_HUBP = 0, 805 PG_DPP, 806 PG_DSC, 807 PG_MPCC, 808 PG_OPP, 809 PG_OPTC, 810 PG_DPSTREAM, 811 PG_HDMISTREAM, 812 PG_PHYSYMCLK, 813 PG_HW_PIPE_RESOURCES_NUM_ELEMENT 814 }; 815 816 enum pg_hw_resources { 817 PG_DCCG = 0, 818 PG_DCIO, 819 PG_DIO, 820 PG_DCHUBBUB, 821 PG_DCHVM, 822 PG_DWB, 823 PG_HPO, 824 PG_DCOH, 825 PG_HW_RESOURCES_NUM_ELEMENT 826 }; 827 828 struct pg_block_update { 829 bool pg_pipe_res_update[PG_HW_PIPE_RESOURCES_NUM_ELEMENT][MAX_PIPES]; 830 bool pg_res_update[PG_HW_RESOURCES_NUM_ELEMENT]; 831 }; 832 833 union dpia_debug_options { 834 struct { 835 uint32_t disable_dpia:1; /* bit 0 */ 836 uint32_t force_non_lttpr:1; /* bit 1 */ 837 uint32_t extend_aux_rd_interval:1; /* bit 2 */ 838 uint32_t disable_mst_dsc_work_around:1; /* bit 3 */ 839 uint32_t enable_force_tbt3_work_around:1; /* bit 4 */ 840 uint32_t disable_usb4_pm_support:1; /* bit 5 */ 841 uint32_t enable_usb4_bw_zero_alloc_patch:1; /* bit 6 */ 842 uint32_t enable_bw_allocation_mode:1; /* bit 7 */ 843 uint32_t reserved:24; 844 } bits; 845 uint32_t raw; 846 }; 847 848 /* AUX wake work around options 849 * 0: enable/disable work around 850 * 1: use default timeout LINK_AUX_WAKE_TIMEOUT_MS 851 * 15-2: reserved 852 * 31-16: timeout in ms 853 */ 854 union aux_wake_wa_options { 855 struct { 856 uint32_t enable_wa : 1; 857 uint32_t use_default_timeout : 1; 858 uint32_t rsvd: 14; 859 uint32_t timeout_ms : 16; 860 } bits; 861 uint32_t raw; 862 }; 863 864 struct dc_debug_data { 865 uint32_t ltFailCount; 866 uint32_t i2cErrorCount; 867 uint32_t auxErrorCount; 868 }; 869 870 struct dc_phy_addr_space_config { 871 struct { 872 uint64_t start_addr; 873 uint64_t end_addr; 874 uint64_t fb_top; 875 uint64_t fb_offset; 876 uint64_t fb_base; 877 uint64_t agp_top; 878 uint64_t agp_bot; 879 uint64_t agp_base; 880 } system_aperture; 881 882 struct { 883 uint64_t page_table_start_addr; 884 uint64_t page_table_end_addr; 885 uint64_t page_table_base_addr; 886 bool base_addr_is_mc_addr; 887 } gart_config; 888 889 bool valid; 890 bool is_hvm_enabled; 891 uint64_t page_table_default_page_addr; 892 }; 893 894 struct dc_virtual_addr_space_config { 895 uint64_t page_table_base_addr; 896 uint64_t page_table_start_addr; 897 uint64_t page_table_end_addr; 898 uint32_t page_table_block_size_in_bytes; 899 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid 900 }; 901 902 struct dc_bounding_box_overrides { 903 int sr_exit_time_ns; 904 int sr_enter_plus_exit_time_ns; 905 int sr_exit_z8_time_ns; 906 int sr_enter_plus_exit_z8_time_ns; 907 int urgent_latency_ns; 908 int percent_of_ideal_drambw; 909 int dram_clock_change_latency_ns; 910 int dummy_clock_change_latency_ns; 911 int fclk_clock_change_latency_ns; 912 /* This forces a hard min on the DCFCLK we use 913 * for DML. Unlike the debug option for forcing 914 * DCFCLK, this override affects watermark calculations 915 */ 916 int min_dcfclk_mhz; 917 }; 918 919 struct dc_state; 920 struct resource_pool; 921 struct dce_hwseq; 922 struct link_service; 923 924 /* 925 * struct dc_debug_options - DC debug struct 926 * 927 * This struct provides a simple mechanism for developers to change some 928 * configurations, enable/disable features, and activate extra debug options. 929 * This can be very handy to narrow down whether some specific feature is 930 * causing an issue or not. 931 */ 932 struct dc_debug_options { 933 bool native422_support; 934 bool disable_dsc; 935 enum visual_confirm visual_confirm; 936 int visual_confirm_rect_height; 937 938 bool sanity_checks; 939 bool max_disp_clk; 940 bool surface_trace; 941 bool clock_trace; 942 bool validation_trace; 943 bool bandwidth_calcs_trace; 944 int max_downscale_src_width; 945 946 /* stutter efficiency related */ 947 bool disable_stutter; 948 bool use_max_lb; 949 enum dcc_option disable_dcc; 950 951 /* 952 * @pipe_split_policy: Define which pipe split policy is used by the 953 * display core. 954 */ 955 enum pipe_split_policy pipe_split_policy; 956 bool force_single_disp_pipe_split; 957 bool voltage_align_fclk; 958 bool disable_min_fclk; 959 960 bool hdcp_lc_force_fw_enable; 961 bool hdcp_lc_enable_sw_fallback; 962 963 bool disable_dfs_bypass; 964 bool disable_dpp_power_gate; 965 bool disable_hubp_power_gate; 966 bool disable_dsc_power_gate; 967 bool disable_optc_power_gate; 968 bool disable_hpo_power_gate; 969 bool disable_io_clk_power_gate; 970 bool disable_mem_power_gate; 971 bool disable_dio_power_gate; 972 int dsc_min_slice_height_override; 973 int dsc_bpp_increment_div; 974 bool disable_pplib_wm_range; 975 enum wm_report_mode pplib_wm_report_mode; 976 unsigned int min_disp_clk_khz; 977 unsigned int min_dpp_clk_khz; 978 unsigned int min_dram_clk_khz; 979 int sr_exit_time_dpm0_ns; 980 int sr_enter_plus_exit_time_dpm0_ns; 981 int sr_exit_time_ns; 982 int sr_enter_plus_exit_time_ns; 983 int sr_exit_z8_time_ns; 984 int sr_enter_plus_exit_z8_time_ns; 985 int urgent_latency_ns; 986 uint32_t underflow_assert_delay_us; 987 int percent_of_ideal_drambw; 988 int dram_clock_change_latency_ns; 989 bool optimized_watermark; 990 int always_scale; 991 bool disable_pplib_clock_request; 992 bool disable_clock_gate; 993 bool disable_mem_low_power; 994 bool pstate_enabled; 995 bool disable_dmcu; 996 bool force_abm_enable; 997 bool disable_stereo_support; 998 bool vsr_support; 999 bool performance_trace; 1000 bool az_endpoint_mute_only; 1001 bool always_use_regamma; 1002 bool recovery_enabled; 1003 bool avoid_vbios_exec_table; 1004 bool scl_reset_length10; 1005 bool hdmi20_disable; 1006 bool skip_detection_link_training; 1007 uint32_t edid_read_retry_times; 1008 unsigned int force_odm_combine; //bit vector based on otg inst 1009 unsigned int seamless_boot_odm_combine; 1010 unsigned int force_odm_combine_4to1; //bit vector based on otg inst 1011 int minimum_z8_residency_time; 1012 int minimum_z10_residency_time; 1013 bool disable_z9_mpc; 1014 unsigned int force_fclk_khz; 1015 bool enable_tri_buf; 1016 bool ips_disallow_entry; 1017 bool dmub_offload_enabled; 1018 bool dmcub_emulation; 1019 bool disable_idle_power_optimizations; 1020 unsigned int mall_size_override; 1021 unsigned int mall_additional_timer_percent; 1022 bool mall_error_as_fatal; 1023 bool dmub_command_table; /* for testing only */ 1024 struct dc_bw_validation_profile bw_val_profile; 1025 bool disable_fec; 1026 bool disable_48mhz_pwrdwn; 1027 /* This forces a hard min on the DCFCLK requested to SMU/PP 1028 * watermarks are not affected. 1029 */ 1030 unsigned int force_min_dcfclk_mhz; 1031 int dwb_fi_phase; 1032 bool disable_timing_sync; 1033 bool cm_in_bypass; 1034 int force_clock_mode;/*every mode change.*/ 1035 1036 bool disable_dram_clock_change_vactive_support; 1037 bool validate_dml_output; 1038 bool enable_dmcub_surface_flip; 1039 bool usbc_combo_phy_reset_wa; 1040 bool enable_dram_clock_change_one_display_vactive; 1041 /* TODO - remove once tested */ 1042 bool legacy_dp2_lt; 1043 bool set_mst_en_for_sst; 1044 bool disable_uhbr; 1045 bool force_dp2_lt_fallback_method; 1046 bool ignore_cable_id; 1047 union mem_low_power_enable_options enable_mem_low_power; 1048 union root_clock_optimization_options root_clock_optimization; 1049 union fine_grain_clock_gating_enable_options enable_fine_grain_clock_gating; 1050 bool hpo_optimization; 1051 bool force_vblank_alignment; 1052 1053 /* Enable dmub aux for legacy ddc */ 1054 bool enable_dmub_aux_for_legacy_ddc; 1055 bool disable_fams; 1056 enum in_game_fams_config disable_fams_gaming; 1057 /* FEC/PSR1 sequence enable delay in 100us */ 1058 uint8_t fec_enable_delay_in100us; 1059 bool enable_driver_sequence_debug; 1060 enum det_size crb_alloc_policy; 1061 int crb_alloc_policy_min_disp_count; 1062 bool disable_z10; 1063 bool enable_z9_disable_interface; 1064 bool psr_skip_crtc_disable; 1065 uint32_t ips_skip_crtc_disable_mask; 1066 union dpia_debug_options dpia_debug; 1067 bool disable_fixed_vs_aux_timeout_wa; 1068 uint32_t fixed_vs_aux_delay_config_wa; 1069 bool force_disable_subvp; 1070 bool force_subvp_mclk_switch; 1071 bool allow_sw_cursor_fallback; 1072 unsigned int force_subvp_num_ways; 1073 unsigned int force_mall_ss_num_ways; 1074 bool alloc_extra_way_for_cursor; 1075 uint32_t subvp_extra_lines; 1076 bool force_usr_allow; 1077 /* uses value at boot and disables switch */ 1078 bool disable_dtb_ref_clk_switch; 1079 bool extended_blank_optimization; 1080 union aux_wake_wa_options aux_wake_wa; 1081 uint32_t mst_start_top_delay; 1082 uint8_t psr_power_use_phy_fsm; 1083 enum dml_hostvm_override_opts dml_hostvm_override; 1084 bool dml_disallow_alternate_prefetch_modes; 1085 bool use_legacy_soc_bb_mechanism; 1086 bool exit_idle_opt_for_cursor_updates; 1087 bool using_dml2; 1088 bool enable_single_display_2to1_odm_policy; 1089 bool enable_double_buffered_dsc_pg_support; 1090 bool enable_dp_dig_pixel_rate_div_policy; 1091 bool using_dml21; 1092 enum lttpr_mode lttpr_mode_override; 1093 unsigned int dsc_delay_factor_wa_x1000; 1094 unsigned int min_prefetch_in_strobe_ns; 1095 bool disable_unbounded_requesting; 1096 bool dig_fifo_off_in_blank; 1097 bool override_dispclk_programming; 1098 bool otg_crc_db; 1099 bool disallow_dispclk_dppclk_ds; 1100 bool disable_fpo_optimizations; 1101 bool support_eDP1_5; 1102 uint32_t fpo_vactive_margin_us; 1103 bool disable_fpo_vactive; 1104 bool disable_boot_optimizations; 1105 bool override_odm_optimization; 1106 bool minimize_dispclk_using_odm; 1107 bool disable_subvp_high_refresh; 1108 bool disable_dp_plus_plus_wa; 1109 uint32_t fpo_vactive_min_active_margin_us; 1110 uint32_t fpo_vactive_max_blank_us; 1111 bool enable_hpo_pg_support; 1112 bool enable_legacy_fast_update; 1113 bool disable_dc_mode_overwrite; 1114 bool replay_skip_crtc_disabled; 1115 bool ignore_pg;/*do nothing, let pmfw control it*/ 1116 bool psp_disabled_wa; 1117 unsigned int ips2_eval_delay_us; 1118 unsigned int ips2_entry_delay_us; 1119 bool optimize_ips_handshake; 1120 bool disable_dmub_reallow_idle; 1121 bool disable_timeout; 1122 bool disable_extblankadj; 1123 bool enable_idle_reg_checks; 1124 unsigned int static_screen_wait_frames; 1125 uint32_t pwm_freq; 1126 bool force_chroma_subsampling_1tap; 1127 unsigned int dcc_meta_propagation_delay_us; 1128 bool disable_422_left_edge_pixel; 1129 bool dml21_force_pstate_method; 1130 uint32_t dml21_force_pstate_method_values[MAX_PIPES]; 1131 uint32_t dml21_disable_pstate_method_mask; 1132 union fw_assisted_mclk_switch_version fams_version; 1133 union dmub_fams2_global_feature_config fams2_config; 1134 unsigned int force_cositing; 1135 unsigned int disable_spl; 1136 unsigned int force_easf; 1137 unsigned int force_sharpness; 1138 unsigned int force_sharpness_level; 1139 unsigned int force_lls; 1140 bool notify_dpia_hr_bw; 1141 bool enable_ips_visual_confirm; 1142 unsigned int sharpen_policy; 1143 unsigned int scale_to_sharpness_policy; 1144 bool skip_full_updated_if_possible; 1145 unsigned int enable_oled_edp_power_up_opt; 1146 bool enable_hblank_borrow; 1147 bool force_subvp_df_throttle; 1148 uint32_t acpi_transition_bitmasks[MAX_PIPES]; 1149 unsigned int auxless_alpm_lfps_setup_ns; 1150 unsigned int auxless_alpm_lfps_period_ns; 1151 unsigned int auxless_alpm_lfps_silence_ns; 1152 unsigned int auxless_alpm_lfps_t1t2_us; 1153 short auxless_alpm_lfps_t1t2_offset_us; 1154 }; 1155 1156 1157 /* Generic structure that can be used to query properties of DC. More fields 1158 * can be added as required. 1159 */ 1160 struct dc_current_properties { 1161 unsigned int cursor_size_limit; 1162 }; 1163 1164 enum frame_buffer_mode { 1165 FRAME_BUFFER_MODE_LOCAL_ONLY = 0, 1166 FRAME_BUFFER_MODE_ZFB_ONLY, 1167 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL, 1168 } ; 1169 1170 struct dchub_init_data { 1171 int64_t zfb_phys_addr_base; 1172 int64_t zfb_mc_base_addr; 1173 uint64_t zfb_size_in_byte; 1174 enum frame_buffer_mode fb_mode; 1175 bool dchub_initialzied; 1176 bool dchub_info_valid; 1177 }; 1178 1179 struct dml2_soc_bb; 1180 1181 struct dc_init_data { 1182 struct hw_asic_id asic_id; 1183 void *driver; /* ctx */ 1184 struct cgs_device *cgs_device; 1185 struct dc_bounding_box_overrides bb_overrides; 1186 1187 int num_virtual_links; 1188 /* 1189 * If 'vbios_override' not NULL, it will be called instead 1190 * of the real VBIOS. Intended use is Diagnostics on FPGA. 1191 */ 1192 struct dc_bios *vbios_override; 1193 enum dce_environment dce_environment; 1194 1195 struct dmub_offload_funcs *dmub_if; 1196 struct dc_reg_helper_state *dmub_offload; 1197 1198 struct dc_config flags; 1199 uint64_t log_mask; 1200 1201 struct dpcd_vendor_signature vendor_signature; 1202 bool force_smu_not_present; 1203 /* 1204 * IP offset for run time initializaion of register addresses 1205 * 1206 * DCN3.5+ will fail dc_create() if these fields are null for them. They are 1207 * applicable starting with DCN32/321 and are not used for ASICs upstreamed 1208 * before them. 1209 */ 1210 uint32_t *dcn_reg_offsets; 1211 uint32_t *nbio_reg_offsets; 1212 uint32_t *clk_reg_offsets; 1213 void *bb_from_dmub; 1214 }; 1215 1216 struct dc_callback_init { 1217 struct cp_psp cp_psp; 1218 }; 1219 1220 struct dc *dc_create(const struct dc_init_data *init_params); 1221 void dc_hardware_init(struct dc *dc); 1222 1223 int dc_get_vmid_use_vector(struct dc *dc); 1224 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid); 1225 /* Returns the number of vmids supported */ 1226 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config); 1227 void dc_init_callbacks(struct dc *dc, 1228 const struct dc_callback_init *init_params); 1229 void dc_deinit_callbacks(struct dc *dc); 1230 void dc_destroy(struct dc **dc); 1231 1232 /* Surface Interfaces */ 1233 1234 enum { 1235 TRANSFER_FUNC_POINTS = 1025 1236 }; 1237 1238 struct dc_hdr_static_metadata { 1239 /* display chromaticities and white point in units of 0.00001 */ 1240 unsigned int chromaticity_green_x; 1241 unsigned int chromaticity_green_y; 1242 unsigned int chromaticity_blue_x; 1243 unsigned int chromaticity_blue_y; 1244 unsigned int chromaticity_red_x; 1245 unsigned int chromaticity_red_y; 1246 unsigned int chromaticity_white_point_x; 1247 unsigned int chromaticity_white_point_y; 1248 1249 uint32_t min_luminance; 1250 uint32_t max_luminance; 1251 uint32_t maximum_content_light_level; 1252 uint32_t maximum_frame_average_light_level; 1253 }; 1254 1255 enum dc_transfer_func_type { 1256 TF_TYPE_PREDEFINED, 1257 TF_TYPE_DISTRIBUTED_POINTS, 1258 TF_TYPE_BYPASS, 1259 TF_TYPE_HWPWL 1260 }; 1261 1262 struct dc_transfer_func_distributed_points { 1263 struct fixed31_32 red[TRANSFER_FUNC_POINTS]; 1264 struct fixed31_32 green[TRANSFER_FUNC_POINTS]; 1265 struct fixed31_32 blue[TRANSFER_FUNC_POINTS]; 1266 1267 uint16_t end_exponent; 1268 uint16_t x_point_at_y1_red; 1269 uint16_t x_point_at_y1_green; 1270 uint16_t x_point_at_y1_blue; 1271 }; 1272 1273 enum dc_transfer_func_predefined { 1274 TRANSFER_FUNCTION_SRGB, 1275 TRANSFER_FUNCTION_BT709, 1276 TRANSFER_FUNCTION_PQ, 1277 TRANSFER_FUNCTION_LINEAR, 1278 TRANSFER_FUNCTION_UNITY, 1279 TRANSFER_FUNCTION_HLG, 1280 TRANSFER_FUNCTION_HLG12, 1281 TRANSFER_FUNCTION_GAMMA22, 1282 TRANSFER_FUNCTION_GAMMA24, 1283 TRANSFER_FUNCTION_GAMMA26 1284 }; 1285 1286 1287 struct dc_transfer_func { 1288 struct kref refcount; 1289 enum dc_transfer_func_type type; 1290 enum dc_transfer_func_predefined tf; 1291 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/ 1292 uint32_t sdr_ref_white_level; 1293 union { 1294 struct pwl_params pwl; 1295 struct dc_transfer_func_distributed_points tf_pts; 1296 }; 1297 }; 1298 1299 1300 union dc_3dlut_state { 1301 struct { 1302 uint32_t initialized:1; /*if 3dlut is went through color module for initialization */ 1303 uint32_t rmu_idx_valid:1; /*if mux settings are valid*/ 1304 uint32_t rmu_mux_num:3; /*index of mux to use*/ 1305 uint32_t mpc_rmu0_mux:4; /*select mpcc on mux, one of the following : mpcc0, mpcc1, mpcc2, mpcc3*/ 1306 uint32_t mpc_rmu1_mux:4; 1307 uint32_t mpc_rmu2_mux:4; 1308 uint32_t reserved:15; 1309 } bits; 1310 uint32_t raw; 1311 }; 1312 1313 1314 struct dc_rmcm_3dlut { 1315 bool isInUse; 1316 const struct dc_stream_state *stream; 1317 uint8_t protection_bits; 1318 }; 1319 1320 struct dc_3dlut { 1321 struct kref refcount; 1322 struct tetrahedral_params lut_3d; 1323 struct fixed31_32 hdr_multiplier; 1324 union dc_3dlut_state state; 1325 }; 1326 /* 1327 * This structure is filled in by dc_surface_get_status and contains 1328 * the last requested address and the currently active address so the called 1329 * can determine if there are any outstanding flips 1330 */ 1331 struct dc_plane_status { 1332 struct dc_plane_address requested_address; 1333 struct dc_plane_address current_address; 1334 bool is_flip_pending; 1335 bool is_right_eye; 1336 }; 1337 1338 union surface_update_flags { 1339 1340 struct { 1341 uint32_t addr_update:1; 1342 /* Medium updates */ 1343 uint32_t dcc_change:1; 1344 uint32_t color_space_change:1; 1345 uint32_t horizontal_mirror_change:1; 1346 uint32_t per_pixel_alpha_change:1; 1347 uint32_t global_alpha_change:1; 1348 uint32_t hdr_mult:1; 1349 uint32_t rotation_change:1; 1350 uint32_t swizzle_change:1; 1351 uint32_t scaling_change:1; 1352 uint32_t position_change:1; 1353 uint32_t in_transfer_func_change:1; 1354 uint32_t input_csc_change:1; 1355 uint32_t coeff_reduction_change:1; 1356 uint32_t output_tf_change:1; 1357 uint32_t pixel_format_change:1; 1358 uint32_t plane_size_change:1; 1359 uint32_t gamut_remap_change:1; 1360 1361 /* Full updates */ 1362 uint32_t new_plane:1; 1363 uint32_t bpp_change:1; 1364 uint32_t gamma_change:1; 1365 uint32_t bandwidth_change:1; 1366 uint32_t clock_change:1; 1367 uint32_t stereo_format_change:1; 1368 uint32_t lut_3d:1; 1369 uint32_t tmz_changed:1; 1370 uint32_t mcm_transfer_function_enable_change:1; /* disable or enable MCM transfer func */ 1371 uint32_t full_update:1; 1372 uint32_t sdr_white_level_nits:1; 1373 } bits; 1374 1375 uint32_t raw; 1376 }; 1377 1378 #define DC_REMOVE_PLANE_POINTERS 1 1379 1380 struct dc_plane_state { 1381 struct dc_plane_address address; 1382 struct dc_plane_flip_time time; 1383 bool triplebuffer_flips; 1384 struct scaling_taps scaling_quality; 1385 struct rect src_rect; 1386 struct rect dst_rect; 1387 struct rect clip_rect; 1388 1389 struct plane_size plane_size; 1390 struct dc_tiling_info tiling_info; 1391 1392 struct dc_plane_dcc_param dcc; 1393 1394 struct dc_gamma gamma_correction; 1395 struct dc_transfer_func in_transfer_func; 1396 struct dc_bias_and_scale bias_and_scale; 1397 struct dc_csc_transform input_csc_color_matrix; 1398 struct fixed31_32 coeff_reduction_factor; 1399 struct fixed31_32 hdr_mult; 1400 struct colorspace_transform gamut_remap_matrix; 1401 1402 // TODO: No longer used, remove 1403 struct dc_hdr_static_metadata hdr_static_ctx; 1404 1405 enum dc_color_space color_space; 1406 1407 struct dc_3dlut lut3d_func; 1408 struct dc_transfer_func in_shaper_func; 1409 struct dc_transfer_func blend_tf; 1410 1411 struct dc_transfer_func *gamcor_tf; 1412 enum surface_pixel_format format; 1413 enum dc_rotation_angle rotation; 1414 enum plane_stereo_format stereo_format; 1415 1416 bool is_tiling_rotated; 1417 bool per_pixel_alpha; 1418 bool pre_multiplied_alpha; 1419 bool global_alpha; 1420 int global_alpha_value; 1421 bool visible; 1422 bool flip_immediate; 1423 bool horizontal_mirror; 1424 int layer_index; 1425 1426 union surface_update_flags update_flags; 1427 bool flip_int_enabled; 1428 bool skip_manual_trigger; 1429 1430 /* private to DC core */ 1431 struct dc_plane_status status; 1432 struct dc_context *ctx; 1433 1434 /* HACK: Workaround for forcing full reprogramming under some conditions */ 1435 bool force_full_update; 1436 1437 bool is_phantom; // TODO: Change mall_stream_config into mall_plane_config instead 1438 1439 /* private to dc_surface.c */ 1440 enum dc_irq_source irq_source; 1441 struct kref refcount; 1442 struct tg_color visual_confirm_color; 1443 1444 bool is_statically_allocated; 1445 enum chroma_cositing cositing; 1446 enum dc_cm2_shaper_3dlut_setting mcm_shaper_3dlut_setting; 1447 bool mcm_lut1d_enable; 1448 struct dc_cm2_func_luts mcm_luts; 1449 bool lut_bank_a; 1450 enum mpcc_movable_cm_location mcm_location; 1451 struct dc_csc_transform cursor_csc_color_matrix; 1452 bool adaptive_sharpness_en; 1453 int adaptive_sharpness_policy; 1454 int sharpness_level; 1455 enum linear_light_scaling linear_light_scaling; 1456 unsigned int sdr_white_level_nits; 1457 struct spl_sharpness_range sharpness_range; 1458 enum sharpness_range_source sharpness_source; 1459 }; 1460 1461 struct dc_plane_info { 1462 struct plane_size plane_size; 1463 struct dc_tiling_info tiling_info; 1464 struct dc_plane_dcc_param dcc; 1465 enum surface_pixel_format format; 1466 enum dc_rotation_angle rotation; 1467 enum plane_stereo_format stereo_format; 1468 enum dc_color_space color_space; 1469 bool horizontal_mirror; 1470 bool visible; 1471 bool per_pixel_alpha; 1472 bool pre_multiplied_alpha; 1473 bool global_alpha; 1474 int global_alpha_value; 1475 bool input_csc_enabled; 1476 int layer_index; 1477 enum chroma_cositing cositing; 1478 }; 1479 1480 #include "dc_stream.h" 1481 1482 struct dc_scratch_space { 1483 /* used to temporarily backup plane states of a stream during 1484 * dc update. The reason is that plane states are overwritten 1485 * with surface updates in dc update. Once they are overwritten 1486 * current state is no longer valid. We want to temporarily 1487 * store current value in plane states so we can still recover 1488 * a valid current state during dc update. 1489 */ 1490 struct dc_plane_state plane_states[MAX_SURFACES]; 1491 1492 struct dc_stream_state stream_state; 1493 }; 1494 1495 /* 1496 * A link contains one or more sinks and their connected status. 1497 * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. 1498 */ 1499 struct dc_link { 1500 struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK]; 1501 unsigned int sink_count; 1502 struct dc_sink *local_sink; 1503 unsigned int link_index; 1504 enum dc_connection_type type; 1505 enum signal_type connector_signal; 1506 enum dc_irq_source irq_source_hpd; 1507 enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */ 1508 enum dc_irq_source irq_source_read_request;/* Read Request */ 1509 1510 bool is_hpd_filter_disabled; 1511 bool dp_ss_off; 1512 1513 /** 1514 * @link_state_valid: 1515 * 1516 * If there is no link and local sink, this variable should be set to 1517 * false. Otherwise, it should be set to true; usually, the function 1518 * core_link_enable_stream sets this field to true. 1519 */ 1520 bool link_state_valid; 1521 bool aux_access_disabled; 1522 bool sync_lt_in_progress; 1523 bool skip_stream_reenable; 1524 bool is_internal_display; 1525 /** @todo Rename. Flag an endpoint as having a programmable mapping to a DIG encoder. */ 1526 bool is_dig_mapping_flexible; 1527 bool hpd_status; /* HPD status of link without physical HPD pin. */ 1528 bool is_hpd_pending; /* Indicates a new received hpd */ 1529 1530 /* USB4 DPIA links skip verifying link cap, instead performing the fallback method 1531 * for every link training. This is incompatible with DP LL compliance automation, 1532 * which expects the same link settings to be used every retry on a link loss. 1533 * This flag is used to skip the fallback when link loss occurs during automation. 1534 */ 1535 bool skip_fallback_on_link_loss; 1536 1537 bool edp_sink_present; 1538 1539 struct dp_trace dp_trace; 1540 1541 /* caps is the same as reported_link_cap. link_traing use 1542 * reported_link_cap. Will clean up. TODO 1543 */ 1544 struct dc_link_settings reported_link_cap; 1545 struct dc_link_settings verified_link_cap; 1546 struct dc_link_settings cur_link_settings; 1547 struct dc_lane_settings cur_lane_setting[LANE_COUNT_DP_MAX]; 1548 struct dc_link_settings preferred_link_setting; 1549 /* preferred_training_settings are override values that 1550 * come from DM. DM is responsible for the memory 1551 * management of the override pointers. 1552 */ 1553 struct dc_link_training_overrides preferred_training_settings; 1554 struct dp_audio_test_data audio_test_data; 1555 1556 uint8_t ddc_hw_inst; 1557 1558 uint8_t hpd_src; 1559 1560 uint8_t link_enc_hw_inst; 1561 /* DIG link encoder ID. Used as index in link encoder resource pool. 1562 * For links with fixed mapping to DIG, this is not changed after dc_link 1563 * object creation. 1564 */ 1565 enum engine_id eng_id; 1566 enum engine_id dpia_preferred_eng_id; 1567 1568 bool test_pattern_enabled; 1569 /* Pending/Current test pattern are only used to perform and track 1570 * FIXED_VS retimer test pattern/lane adjustment override state. 1571 * Pending allows link HWSS to differentiate PHY vs non-PHY pattern, 1572 * to perform specific lane adjust overrides before setting certain 1573 * PHY test patterns. In cases when lane adjust and set test pattern 1574 * calls are not performed atomically (i.e. performing link training), 1575 * pending_test_pattern will be invalid or contain a non-PHY test pattern 1576 * and current_test_pattern will contain required context for any future 1577 * set pattern/set lane adjust to transition between override state(s). 1578 * */ 1579 enum dp_test_pattern current_test_pattern; 1580 enum dp_test_pattern pending_test_pattern; 1581 1582 union compliance_test_state compliance_test_state; 1583 1584 void *priv; 1585 1586 struct ddc_service *ddc; 1587 1588 enum dp_panel_mode panel_mode; 1589 bool aux_mode; 1590 1591 /* Private to DC core */ 1592 1593 const struct dc *dc; 1594 1595 struct dc_context *ctx; 1596 1597 struct panel_cntl *panel_cntl; 1598 struct link_encoder *link_enc; 1599 struct graphics_object_id link_id; 1600 /* Endpoint type distinguishes display endpoints which do not have entries 1601 * in the BIOS connector table from those that do. Helps when tracking link 1602 * encoder to display endpoint assignments. 1603 */ 1604 enum display_endpoint_type ep_type; 1605 union ddi_channel_mapping ddi_channel_mapping; 1606 struct connector_device_tag_info device_tag; 1607 struct dpcd_caps dpcd_caps; 1608 uint32_t dongle_max_pix_clk; 1609 unsigned short chip_caps; 1610 unsigned int dpcd_sink_count; 1611 struct hdcp_caps hdcp_caps; 1612 enum edp_revision edp_revision; 1613 union dpcd_sink_ext_caps dpcd_sink_ext_caps; 1614 1615 struct psr_settings psr_settings; 1616 struct replay_settings replay_settings; 1617 1618 /* Drive settings read from integrated info table */ 1619 struct dc_lane_settings bios_forced_drive_settings; 1620 1621 /* Vendor specific LTTPR workaround variables */ 1622 uint8_t vendor_specific_lttpr_link_rate_wa; 1623 bool apply_vendor_specific_lttpr_link_rate_wa; 1624 1625 /* MST record stream using this link */ 1626 struct link_flags { 1627 bool dp_keep_receiver_powered; 1628 bool dp_skip_DID2; 1629 bool dp_skip_reset_segment; 1630 bool dp_skip_fs_144hz; 1631 bool dp_mot_reset_segment; 1632 /* Some USB4 docks do not handle turning off MST DSC once it has been enabled. */ 1633 bool dpia_mst_dsc_always_on; 1634 /* Forced DPIA into TBT3 compatibility mode. */ 1635 bool dpia_forced_tbt3_mode; 1636 bool dongle_mode_timing_override; 1637 bool blank_stream_on_ocs_change; 1638 bool read_dpcd204h_on_irq_hpd; 1639 bool force_dp_ffe_preset; 1640 bool skip_phy_ssc_reduction; 1641 } wa_flags; 1642 union dc_dp_ffe_preset forced_dp_ffe_preset; 1643 struct link_mst_stream_allocation_table mst_stream_alloc_table; 1644 1645 struct dc_link_status link_status; 1646 struct dprx_states dprx_states; 1647 1648 struct gpio *hpd_gpio; 1649 enum dc_link_fec_state fec_state; 1650 bool is_dds; 1651 bool is_display_mux_present; 1652 bool link_powered_externally; // Used to bypass hardware sequencing delays when panel is powered down forcibly 1653 1654 struct dc_panel_config panel_config; 1655 struct phy_state phy_state; 1656 uint32_t phy_transition_bitmask; 1657 // BW ALLOCATON USB4 ONLY 1658 struct dc_dpia_bw_alloc dpia_bw_alloc_config; 1659 bool skip_implict_edp_power_control; 1660 enum backlight_control_type backlight_control_type; 1661 }; 1662 1663 struct dc { 1664 struct dc_debug_options debug; 1665 struct dc_versions versions; 1666 struct dc_caps caps; 1667 struct dc_cap_funcs cap_funcs; 1668 struct dc_config config; 1669 struct dc_bounding_box_overrides bb_overrides; 1670 struct dc_bug_wa work_arounds; 1671 struct dc_context *ctx; 1672 struct dc_phy_addr_space_config vm_pa_config; 1673 1674 uint8_t link_count; 1675 struct dc_link *links[MAX_LINKS]; 1676 uint8_t lowest_dpia_link_index; 1677 struct link_service *link_srv; 1678 1679 struct dc_state *current_state; 1680 struct resource_pool *res_pool; 1681 1682 struct clk_mgr *clk_mgr; 1683 1684 /* Display Engine Clock levels */ 1685 struct dm_pp_clock_levels sclk_lvls; 1686 1687 /* Inputs into BW and WM calculations. */ 1688 struct bw_calcs_dceip *bw_dceip; 1689 struct bw_calcs_vbios *bw_vbios; 1690 struct dcn_soc_bounding_box *dcn_soc; 1691 struct dcn_ip_params *dcn_ip; 1692 struct display_mode_lib dml; 1693 1694 /* HW functions */ 1695 struct hw_sequencer_funcs hwss; 1696 struct dce_hwseq *hwseq; 1697 1698 /* Require to optimize clocks and bandwidth for added/removed planes */ 1699 bool optimized_required; 1700 bool wm_optimized_required; 1701 bool idle_optimizations_allowed; 1702 bool enable_c20_dtm_b0; 1703 1704 /* Require to maintain clocks and bandwidth for UEFI enabled HW */ 1705 1706 /* For eDP to know the switching state of SmartMux */ 1707 bool is_switch_in_progress_orig; 1708 bool is_switch_in_progress_dest; 1709 1710 /* FBC compressor */ 1711 struct compressor *fbc_compressor; 1712 1713 struct dc_debug_data debug_data; 1714 struct dpcd_vendor_signature vendor_signature; 1715 1716 const char *build_id; 1717 struct vm_helper *vm_helper; 1718 1719 uint32_t *dcn_reg_offsets; 1720 uint32_t *nbio_reg_offsets; 1721 uint32_t *clk_reg_offsets; 1722 1723 /* Scratch memory */ 1724 struct { 1725 struct { 1726 /* 1727 * For matching clock_limits table in driver with table 1728 * from PMFW. 1729 */ 1730 struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES]; 1731 } update_bw_bounding_box; 1732 struct dc_scratch_space current_state; 1733 struct dc_scratch_space new_state; 1734 struct dc_stream_state temp_stream; // Used so we don't need to allocate stream on the stack 1735 struct dc_link temp_link; 1736 bool pipes_to_unlock_first[MAX_PIPES]; /* Any of the pipes indicated here should be unlocked first */ 1737 } scratch; 1738 1739 struct dml2_configuration_options dml2_options; 1740 struct dml2_configuration_options dml2_dc_power_options; 1741 enum dc_acpi_cm_power_state power_state; 1742 1743 }; 1744 1745 struct dc_scaling_info { 1746 struct rect src_rect; 1747 struct rect dst_rect; 1748 struct rect clip_rect; 1749 struct scaling_taps scaling_quality; 1750 }; 1751 1752 struct dc_fast_update { 1753 const struct dc_flip_addrs *flip_addr; 1754 const struct dc_gamma *gamma; 1755 const struct colorspace_transform *gamut_remap_matrix; 1756 const struct dc_csc_transform *input_csc_color_matrix; 1757 const struct fixed31_32 *coeff_reduction_factor; 1758 struct dc_transfer_func *out_transfer_func; 1759 struct dc_csc_transform *output_csc_transform; 1760 const struct dc_csc_transform *cursor_csc_color_matrix; 1761 }; 1762 1763 struct dc_surface_update { 1764 struct dc_plane_state *surface; 1765 1766 /* isr safe update parameters. null means no updates */ 1767 const struct dc_flip_addrs *flip_addr; 1768 const struct dc_plane_info *plane_info; 1769 const struct dc_scaling_info *scaling_info; 1770 struct fixed31_32 hdr_mult; 1771 /* following updates require alloc/sleep/spin that is not isr safe, 1772 * null means no updates 1773 */ 1774 const struct dc_gamma *gamma; 1775 const struct dc_transfer_func *in_transfer_func; 1776 1777 const struct dc_csc_transform *input_csc_color_matrix; 1778 const struct fixed31_32 *coeff_reduction_factor; 1779 const struct dc_transfer_func *func_shaper; 1780 const struct dc_3dlut *lut3d_func; 1781 const struct dc_transfer_func *blend_tf; 1782 const struct colorspace_transform *gamut_remap_matrix; 1783 /* 1784 * Color Transformations for pre-blend MCM (Shaper, 3DLUT, 1DLUT) 1785 * 1786 * change cm2_params.component_settings: Full update 1787 * change cm2_params.cm2_luts: Fast update 1788 */ 1789 const struct dc_cm2_parameters *cm2_params; 1790 const struct dc_csc_transform *cursor_csc_color_matrix; 1791 unsigned int sdr_white_level_nits; 1792 struct dc_bias_and_scale bias_and_scale; 1793 }; 1794 1795 /* 1796 * Create a new surface with default parameters; 1797 */ 1798 void dc_gamma_retain(struct dc_gamma *dc_gamma); 1799 void dc_gamma_release(struct dc_gamma **dc_gamma); 1800 struct dc_gamma *dc_create_gamma(void); 1801 1802 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf); 1803 void dc_transfer_func_release(struct dc_transfer_func *dc_tf); 1804 struct dc_transfer_func *dc_create_transfer_func(void); 1805 1806 struct dc_3dlut *dc_create_3dlut_func(void); 1807 void dc_3dlut_func_release(struct dc_3dlut *lut); 1808 void dc_3dlut_func_retain(struct dc_3dlut *lut); 1809 1810 void dc_post_update_surfaces_to_stream( 1811 struct dc *dc); 1812 1813 #include "dc_stream.h" 1814 1815 /** 1816 * struct dc_validation_set - Struct to store surface/stream associations for validation 1817 */ 1818 struct dc_validation_set { 1819 /** 1820 * @stream: Stream state properties 1821 */ 1822 struct dc_stream_state *stream; 1823 1824 /** 1825 * @plane_states: Surface state 1826 */ 1827 struct dc_plane_state *plane_states[MAX_SURFACES]; 1828 1829 /** 1830 * @plane_count: Total of active planes 1831 */ 1832 uint8_t plane_count; 1833 }; 1834 1835 bool dc_validate_boot_timing(const struct dc *dc, 1836 const struct dc_sink *sink, 1837 struct dc_crtc_timing *crtc_timing); 1838 1839 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state); 1840 1841 enum dc_status dc_validate_with_context(struct dc *dc, 1842 const struct dc_validation_set set[], 1843 int set_count, 1844 struct dc_state *context, 1845 enum dc_validate_mode validate_mode); 1846 1847 bool dc_set_generic_gpio_for_stereo(bool enable, 1848 struct gpio_service *gpio_service); 1849 1850 enum dc_status dc_validate_global_state( 1851 struct dc *dc, 1852 struct dc_state *new_ctx, 1853 enum dc_validate_mode validate_mode); 1854 1855 bool dc_acquire_release_mpc_3dlut( 1856 struct dc *dc, bool acquire, 1857 struct dc_stream_state *stream, 1858 struct dc_3dlut **lut, 1859 struct dc_transfer_func **shaper); 1860 1861 bool dc_resource_is_dsc_encoding_supported(const struct dc *dc); 1862 void get_audio_check(struct audio_info *aud_modes, 1863 struct audio_check *aud_chk); 1864 1865 bool fast_nonaddr_updates_exist(struct dc_fast_update *fast_update, int surface_count); 1866 void populate_fast_updates(struct dc_fast_update *fast_update, 1867 struct dc_surface_update *srf_updates, 1868 int surface_count, 1869 struct dc_stream_update *stream_update); 1870 /* 1871 * Set up streams and links associated to drive sinks 1872 * The streams parameter is an absolute set of all active streams. 1873 * 1874 * After this call: 1875 * Phy, Encoder, Timing Generator are programmed and enabled. 1876 * New streams are enabled with blank stream; no memory read. 1877 */ 1878 enum dc_status dc_commit_streams(struct dc *dc, struct dc_commit_streams_params *params); 1879 1880 1881 struct dc_plane_state *dc_get_surface_for_mpcc(struct dc *dc, 1882 struct dc_stream_state *stream, 1883 int mpcc_inst); 1884 1885 1886 uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane); 1887 1888 void dc_set_disable_128b_132b_stream_overhead(bool disable); 1889 1890 /* The function returns minimum bandwidth required to drive a given timing 1891 * return - minimum required timing bandwidth in kbps. 1892 */ 1893 uint32_t dc_bandwidth_in_kbps_from_timing( 1894 const struct dc_crtc_timing *timing, 1895 const enum dc_link_encoding_format link_encoding); 1896 1897 /* Link Interfaces */ 1898 /* Return an enumerated dc_link. 1899 * dc_link order is constant and determined at 1900 * boot time. They cannot be created or destroyed. 1901 * Use dc_get_caps() to get number of links. 1902 */ 1903 struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index); 1904 1905 /* Return instance id of the edp link. Inst 0 is primary edp link. */ 1906 bool dc_get_edp_link_panel_inst(const struct dc *dc, 1907 const struct dc_link *link, 1908 unsigned int *inst_out); 1909 1910 /* Return an array of link pointers to edp links. */ 1911 void dc_get_edp_links(const struct dc *dc, 1912 struct dc_link **edp_links, 1913 int *edp_num); 1914 1915 void dc_set_edp_power(const struct dc *dc, struct dc_link *edp_link, 1916 bool powerOn); 1917 1918 /* The function initiates detection handshake over the given link. It first 1919 * determines if there are display connections over the link. If so it initiates 1920 * detection protocols supported by the connected receiver device. The function 1921 * contains protocol specific handshake sequences which are sometimes mandatory 1922 * to establish a proper connection between TX and RX. So it is always 1923 * recommended to call this function as the first link operation upon HPD event 1924 * or power up event. Upon completion, the function will update link structure 1925 * in place based on latest RX capabilities. The function may also cause dpms 1926 * to be reset to off for all currently enabled streams to the link. It is DM's 1927 * responsibility to serialize detection and DPMS updates. 1928 * 1929 * @reason - Indicate which event triggers this detection. dc may customize 1930 * detection flow depending on the triggering events. 1931 * return false - if detection is not fully completed. This could happen when 1932 * there is an unrecoverable error during detection or detection is partially 1933 * completed (detection has been delegated to dm mst manager ie. 1934 * link->connection_type == dc_connection_mst_branch when returning false). 1935 * return true - detection is completed, link has been fully updated with latest 1936 * detection result. 1937 */ 1938 bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason); 1939 1940 struct dc_sink_init_data; 1941 1942 /* When link connection type is dc_connection_mst_branch, remote sink can be 1943 * added to the link. The interface creates a remote sink and associates it with 1944 * current link. The sink will be retained by link until remove remote sink is 1945 * called. 1946 * 1947 * @dc_link - link the remote sink will be added to. 1948 * @edid - byte array of EDID raw data. 1949 * @len - size of the edid in byte 1950 * @init_data - 1951 */ 1952 struct dc_sink *dc_link_add_remote_sink( 1953 struct dc_link *dc_link, 1954 const uint8_t *edid, 1955 int len, 1956 struct dc_sink_init_data *init_data); 1957 1958 /* Remove remote sink from a link with dc_connection_mst_branch connection type. 1959 * @link - link the sink should be removed from 1960 * @sink - sink to be removed. 1961 */ 1962 void dc_link_remove_remote_sink( 1963 struct dc_link *link, 1964 struct dc_sink *sink); 1965 1966 /* Enable HPD interrupt handler for a given link */ 1967 void dc_link_enable_hpd(const struct dc_link *link); 1968 1969 /* Disable HPD interrupt handler for a given link */ 1970 void dc_link_disable_hpd(const struct dc_link *link); 1971 1972 /* determine if there is a sink connected to the link 1973 * 1974 * @type - dc_connection_single if connected, dc_connection_none otherwise. 1975 * return - false if an unexpected error occurs, true otherwise. 1976 * 1977 * NOTE: This function doesn't detect downstream sink connections i.e 1978 * dc_connection_mst_branch, dc_connection_sst_branch. In this case, it will 1979 * return dc_connection_single if the branch device is connected despite of 1980 * downstream sink's connection status. 1981 */ 1982 bool dc_link_detect_connection_type(struct dc_link *link, 1983 enum dc_connection_type *type); 1984 1985 /* query current hpd pin value 1986 * return - true HPD is asserted (HPD high), false otherwise (HPD low) 1987 * 1988 */ 1989 bool dc_link_get_hpd_state(struct dc_link *link); 1990 1991 /* Getter for cached link status from given link */ 1992 const struct dc_link_status *dc_link_get_status(const struct dc_link *link); 1993 1994 /* enable/disable hardware HPD filter. 1995 * 1996 * @link - The link the HPD pin is associated with. 1997 * @enable = true - enable hardware HPD filter. HPD event will only queued to irq 1998 * handler once after no HPD change has been detected within dc default HPD 1999 * filtering interval since last HPD event. i.e if display keeps toggling hpd 2000 * pulses within default HPD interval, no HPD event will be received until HPD 2001 * toggles have stopped. Then HPD event will be queued to irq handler once after 2002 * dc default HPD filtering interval since last HPD event. 2003 * 2004 * @enable = false - disable hardware HPD filter. HPD event will be queued 2005 * immediately to irq handler after no HPD change has been detected within 2006 * IRQ_HPD (aka HPD short pulse) interval (i.e 2ms). 2007 */ 2008 void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); 2009 2010 /* submit i2c read/write payloads through ddc channel 2011 * @link_index - index to a link with ddc in i2c mode 2012 * @cmd - i2c command structure 2013 * return - true if success, false otherwise. 2014 */ 2015 bool dc_submit_i2c( 2016 struct dc *dc, 2017 uint32_t link_index, 2018 struct i2c_command *cmd); 2019 2020 /* submit i2c read/write payloads through oem channel 2021 * @link_index - index to a link with ddc in i2c mode 2022 * @cmd - i2c command structure 2023 * return - true if success, false otherwise. 2024 */ 2025 bool dc_submit_i2c_oem( 2026 struct dc *dc, 2027 struct i2c_command *cmd); 2028 2029 enum aux_return_code_type; 2030 /* Attempt to transfer the given aux payload. This function does not perform 2031 * retries or handle error states. The reply is returned in the payload->reply 2032 * and the result through operation_result. Returns the number of bytes 2033 * transferred,or -1 on a failure. 2034 */ 2035 int dc_link_aux_transfer_raw(struct ddc_service *ddc, 2036 struct aux_payload *payload, 2037 enum aux_return_code_type *operation_result); 2038 2039 struct ddc_service * 2040 dc_get_oem_i2c_device(struct dc *dc); 2041 2042 bool dc_is_oem_i2c_device_present( 2043 struct dc *dc, 2044 size_t slave_address 2045 ); 2046 2047 /* return true if the connected receiver supports the hdcp version */ 2048 bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal); 2049 bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal); 2050 2051 /* Notify DC about DP RX Interrupt (aka DP IRQ_HPD). 2052 * 2053 * TODO - When defer_handling is true the function will have a different purpose. 2054 * It no longer does complete hpd rx irq handling. We should create a separate 2055 * interface specifically for this case. 2056 * 2057 * Return: 2058 * true - Downstream port status changed. DM should call DC to do the 2059 * detection. 2060 * false - no change in Downstream port status. No further action required 2061 * from DM. 2062 */ 2063 bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link, 2064 union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss, 2065 bool defer_handling, bool *has_left_work); 2066 /* handle DP specs define test automation sequence*/ 2067 void dc_link_dp_handle_automated_test(struct dc_link *link); 2068 2069 /* handle DP Link loss sequence and try to recover RX link loss with best 2070 * effort 2071 */ 2072 void dc_link_dp_handle_link_loss(struct dc_link *link); 2073 2074 /* Determine if hpd rx irq should be handled or ignored 2075 * return true - hpd rx irq should be handled. 2076 * return false - it is safe to ignore hpd rx irq event 2077 */ 2078 bool dc_link_dp_allow_hpd_rx_irq(const struct dc_link *link); 2079 2080 /* Determine if link loss is indicated with a given hpd_irq_dpcd_data. 2081 * @link - link the hpd irq data associated with 2082 * @hpd_irq_dpcd_data - input hpd irq data 2083 * return - true if hpd irq data indicates a link lost 2084 */ 2085 bool dc_link_check_link_loss_status(struct dc_link *link, 2086 union hpd_irq_data *hpd_irq_dpcd_data); 2087 2088 /* Read hpd rx irq data from a given link 2089 * @link - link where the hpd irq data should be read from 2090 * @irq_data - output hpd irq data 2091 * return - DC_OK if hpd irq data is read successfully, otherwise hpd irq data 2092 * read has failed. 2093 */ 2094 enum dc_status dc_link_dp_read_hpd_rx_irq_data( 2095 struct dc_link *link, 2096 union hpd_irq_data *irq_data); 2097 2098 /* The function clears recorded DP RX states in the link. DM should call this 2099 * function when it is resuming from S3 power state to previously connected links. 2100 * 2101 * TODO - in the future we should consider to expand link resume interface to 2102 * support clearing previous rx states. So we don't have to rely on dm to call 2103 * this interface explicitly. 2104 */ 2105 void dc_link_clear_dprx_states(struct dc_link *link); 2106 2107 /* Destruct the mst topology of the link and reset the allocated payload table 2108 * 2109 * NOTE: this should only be called if DM chooses not to call dc_link_detect but 2110 * still wants to reset MST topology on an unplug event */ 2111 bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link); 2112 2113 /* The function calculates effective DP link bandwidth when a given link is 2114 * using the given link settings. 2115 * 2116 * return - total effective link bandwidth in kbps. 2117 */ 2118 uint32_t dc_link_bandwidth_kbps( 2119 const struct dc_link *link, 2120 const struct dc_link_settings *link_setting); 2121 2122 struct dp_audio_bandwidth_params { 2123 const struct dc_crtc_timing *crtc_timing; 2124 enum dp_link_encoding link_encoding; 2125 uint32_t channel_count; 2126 uint32_t sample_rate_hz; 2127 }; 2128 2129 /* The function calculates the minimum size of hblank (in bytes) needed to 2130 * support the specified channel count and sample rate combination, given the 2131 * link encoding and timing to be used. This calculation is not supported 2132 * for 8b/10b SST. 2133 * 2134 * return - min hblank size in bytes, 0 if 8b/10b SST. 2135 */ 2136 uint32_t dc_link_required_hblank_size_bytes( 2137 const struct dc_link *link, 2138 struct dp_audio_bandwidth_params *audio_params); 2139 2140 /* The function takes a snapshot of current link resource allocation state 2141 * @dc: pointer to dc of the dm calling this 2142 * @map: a dc link resource snapshot defined internally to dc. 2143 * 2144 * DM needs to capture a snapshot of current link resource allocation mapping 2145 * and store it in its persistent storage. 2146 * 2147 * Some of the link resource is using first come first serve policy. 2148 * The allocation mapping depends on original hotplug order. This information 2149 * is lost after driver is loaded next time. The snapshot is used in order to 2150 * restore link resource to its previous state so user will get consistent 2151 * link capability allocation across reboot. 2152 * 2153 */ 2154 void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map); 2155 2156 /* This function restores link resource allocation state from a snapshot 2157 * @dc: pointer to dc of the dm calling this 2158 * @map: a dc link resource snapshot defined internally to dc. 2159 * 2160 * DM needs to call this function after initial link detection on boot and 2161 * before first commit streams to restore link resource allocation state 2162 * from previous boot session. 2163 * 2164 * Some of the link resource is using first come first serve policy. 2165 * The allocation mapping depends on original hotplug order. This information 2166 * is lost after driver is loaded next time. The snapshot is used in order to 2167 * restore link resource to its previous state so user will get consistent 2168 * link capability allocation across reboot. 2169 * 2170 */ 2171 void dc_restore_link_res_map(const struct dc *dc, uint32_t *map); 2172 2173 /* TODO: this is not meant to be exposed to DM. Should switch to stream update 2174 * interface i.e stream_update->dsc_config 2175 */ 2176 bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx); 2177 2178 /* translate a raw link rate data to bandwidth in kbps */ 2179 uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(const struct dc *dc, uint8_t bw); 2180 2181 /* determine the optimal bandwidth given link and required bw. 2182 * @link - current detected link 2183 * @req_bw - requested bandwidth in kbps 2184 * @link_settings - returned most optimal link settings that can fit the 2185 * requested bandwidth 2186 * return - false if link can't support requested bandwidth, true if link 2187 * settings is found. 2188 */ 2189 bool dc_link_decide_edp_link_settings(struct dc_link *link, 2190 struct dc_link_settings *link_settings, 2191 uint32_t req_bw); 2192 2193 /* return the max dp link settings can be driven by the link without considering 2194 * connected RX device and its capability 2195 */ 2196 bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, 2197 struct dc_link_settings *max_link_enc_cap); 2198 2199 /* determine when the link is driving MST mode, what DP link channel coding 2200 * format will be used. The decision will remain unchanged until next HPD event. 2201 * 2202 * @link - a link with DP RX connection 2203 * return - if stream is committed to this link with MST signal type, type of 2204 * channel coding format dc will choose. 2205 */ 2206 enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format( 2207 const struct dc_link *link); 2208 2209 /* get max dp link settings the link can enable with all things considered. (i.e 2210 * TX/RX/Cable capabilities and dp override policies. 2211 * 2212 * @link - a link with DP RX connection 2213 * return - max dp link settings the link can enable. 2214 * 2215 */ 2216 const struct dc_link_settings *dc_link_get_link_cap(const struct dc_link *link); 2217 2218 /* Get the highest encoding format that the link supports; highest meaning the 2219 * encoding format which supports the maximum bandwidth. 2220 * 2221 * @link - a link with DP RX connection 2222 * return - highest encoding format link supports. 2223 */ 2224 enum dc_link_encoding_format dc_link_get_highest_encoding_format(const struct dc_link *link); 2225 2226 /* Check if a RX (ex. DP sink, MST hub, passive or active dongle) is connected 2227 * to a link with dp connector signal type. 2228 * @link - a link with dp connector signal type 2229 * return - true if connected, false otherwise 2230 */ 2231 bool dc_link_is_dp_sink_present(struct dc_link *link); 2232 2233 /* Force DP lane settings update to main-link video signal and notify the change 2234 * to DP RX via DPCD. This is a debug interface used for video signal integrity 2235 * tuning purpose. The interface assumes link has already been enabled with DP 2236 * signal. 2237 * 2238 * @lt_settings - a container structure with desired hw_lane_settings 2239 */ 2240 void dc_link_set_drive_settings(struct dc *dc, 2241 struct link_training_settings *lt_settings, 2242 struct dc_link *link); 2243 2244 /* Enable a test pattern in Link or PHY layer in an active link for compliance 2245 * test or debugging purpose. The test pattern will remain until next un-plug. 2246 * 2247 * @link - active link with DP signal output enabled. 2248 * @test_pattern - desired test pattern to output. 2249 * NOTE: set to DP_TEST_PATTERN_VIDEO_MODE to disable previous test pattern. 2250 * @test_pattern_color_space - for video test pattern choose a desired color 2251 * space. 2252 * @p_link_settings - For PHY pattern choose a desired link settings 2253 * @p_custom_pattern - some test pattern will require a custom input to 2254 * customize some pattern details. Otherwise keep it to NULL. 2255 * @cust_pattern_size - size of the custom pattern input. 2256 * 2257 */ 2258 bool dc_link_dp_set_test_pattern( 2259 struct dc_link *link, 2260 enum dp_test_pattern test_pattern, 2261 enum dp_test_pattern_color_space test_pattern_color_space, 2262 const struct link_training_settings *p_link_settings, 2263 const unsigned char *p_custom_pattern, 2264 unsigned int cust_pattern_size); 2265 2266 /* Force DP link settings to always use a specific value until reboot to a 2267 * specific link. If link has already been enabled, the interface will also 2268 * switch to desired link settings immediately. This is a debug interface to 2269 * generic dp issue trouble shooting. 2270 */ 2271 void dc_link_set_preferred_link_settings(struct dc *dc, 2272 struct dc_link_settings *link_setting, 2273 struct dc_link *link); 2274 2275 /* Force DP link to customize a specific link training behavior by overriding to 2276 * standard DP specs defined protocol. This is a debug interface to trouble shoot 2277 * display specific link training issues or apply some display specific 2278 * workaround in link training. 2279 * 2280 * @link_settings - if not NULL, force preferred link settings to the link. 2281 * @lt_override - a set of override pointers. If any pointer is none NULL, dc 2282 * will apply this particular override in future link training. If NULL is 2283 * passed in, dc resets previous overrides. 2284 * NOTE: DM must keep the memory from override pointers until DM resets preferred 2285 * training settings. 2286 */ 2287 void dc_link_set_preferred_training_settings(struct dc *dc, 2288 struct dc_link_settings *link_setting, 2289 struct dc_link_training_overrides *lt_overrides, 2290 struct dc_link *link, 2291 bool skip_immediate_retrain); 2292 2293 /* return - true if FEC is supported with connected DP RX, false otherwise */ 2294 bool dc_link_is_fec_supported(const struct dc_link *link); 2295 2296 /* query FEC enablement policy to determine if FEC will be enabled by dc during 2297 * link enablement. 2298 * return - true if FEC should be enabled, false otherwise. 2299 */ 2300 bool dc_link_should_enable_fec(const struct dc_link *link); 2301 2302 /* determine lttpr mode the current link should be enabled with a specific link 2303 * settings. 2304 */ 2305 enum lttpr_mode dc_link_decide_lttpr_mode(struct dc_link *link, 2306 struct dc_link_settings *link_setting); 2307 2308 /* Force DP RX to update its power state. 2309 * NOTE: this interface doesn't update dp main-link. Calling this function will 2310 * cause DP TX main-link and DP RX power states out of sync. DM has to restore 2311 * RX power state back upon finish DM specific execution requiring DP RX in a 2312 * specific power state. 2313 * @on - true to set DP RX in D0 power state, false to set DP RX in D3 power 2314 * state. 2315 */ 2316 void dc_link_dp_receiver_power_ctrl(struct dc_link *link, bool on); 2317 2318 /* Force link to read base dp receiver caps from dpcd 000h - 00Fh and overwrite 2319 * current value read from extended receiver cap from 02200h - 0220Fh. 2320 * Some DP RX has problems of providing accurate DP receiver caps from extended 2321 * field, this interface is a workaround to revert link back to use base caps. 2322 */ 2323 void dc_link_overwrite_extended_receiver_cap( 2324 struct dc_link *link); 2325 2326 void dc_link_edp_panel_backlight_power_on(struct dc_link *link, 2327 bool wait_for_hpd); 2328 2329 /* Set backlight level of an embedded panel (eDP, LVDS). 2330 * backlight_pwm_u16_16 is unsigned 32 bit with 16 bit integer 2331 * and 16 bit fractional, where 1.0 is max backlight value. 2332 */ 2333 bool dc_link_set_backlight_level(const struct dc_link *dc_link, 2334 struct set_backlight_level_params *backlight_level_params); 2335 2336 /* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */ 2337 bool dc_link_set_backlight_level_nits(struct dc_link *link, 2338 bool isHDR, 2339 uint32_t backlight_millinits, 2340 uint32_t transition_time_in_ms); 2341 2342 bool dc_link_get_backlight_level_nits(struct dc_link *link, 2343 uint32_t *backlight_millinits, 2344 uint32_t *backlight_millinits_peak); 2345 2346 int dc_link_get_backlight_level(const struct dc_link *dc_link); 2347 2348 int dc_link_get_target_backlight_pwm(const struct dc_link *link); 2349 2350 bool dc_link_set_psr_allow_active(struct dc_link *dc_link, const bool *enable, 2351 bool wait, bool force_static, const unsigned int *power_opts); 2352 2353 bool dc_link_get_psr_state(const struct dc_link *dc_link, enum dc_psr_state *state); 2354 2355 bool dc_link_setup_psr(struct dc_link *dc_link, 2356 const struct dc_stream_state *stream, struct psr_config *psr_config, 2357 struct psr_context *psr_context); 2358 2359 /* 2360 * Communicate with DMUB to allow or disallow Panel Replay on the specified link: 2361 * 2362 * @link: pointer to the dc_link struct instance 2363 * @enable: enable(active) or disable(inactive) replay 2364 * @wait: state transition need to wait the active set completed. 2365 * @force_static: force disable(inactive) the replay 2366 * @power_opts: set power optimazation parameters to DMUB. 2367 * 2368 * return: allow Replay active will return true, else will return false. 2369 */ 2370 bool dc_link_set_replay_allow_active(struct dc_link *dc_link, const bool *enable, 2371 bool wait, bool force_static, const unsigned int *power_opts); 2372 2373 bool dc_link_get_replay_state(const struct dc_link *dc_link, uint64_t *state); 2374 2375 /* On eDP links this function call will stall until T12 has elapsed. 2376 * If the panel is not in power off state, this function will return 2377 * immediately. 2378 */ 2379 bool dc_link_wait_for_t12(struct dc_link *link); 2380 2381 /* Determine if dp trace has been initialized to reflect upto date result * 2382 * return - true if trace is initialized and has valid data. False dp trace 2383 * doesn't have valid result. 2384 */ 2385 bool dc_dp_trace_is_initialized(struct dc_link *link); 2386 2387 /* Query a dp trace flag to indicate if the current dp trace data has been 2388 * logged before 2389 */ 2390 bool dc_dp_trace_is_logged(struct dc_link *link, 2391 bool in_detection); 2392 2393 /* Set dp trace flag to indicate whether DM has already logged the current dp 2394 * trace data. DM can set is_logged to true upon logging and check 2395 * dc_dp_trace_is_logged before logging to avoid logging the same result twice. 2396 */ 2397 void dc_dp_trace_set_is_logged_flag(struct dc_link *link, 2398 bool in_detection, 2399 bool is_logged); 2400 2401 /* Obtain driver time stamp for last dp link training end. The time stamp is 2402 * formatted based on dm_get_timestamp DM function. 2403 * @in_detection - true to get link training end time stamp of last link 2404 * training in detection sequence. false to get link training end time stamp 2405 * of last link training in commit (dpms) sequence 2406 */ 2407 unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link, 2408 bool in_detection); 2409 2410 /* Get how many link training attempts dc has done with latest sequence. 2411 * @in_detection - true to get link training count of last link 2412 * training in detection sequence. false to get link training count of last link 2413 * training in commit (dpms) sequence 2414 */ 2415 const struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link, 2416 bool in_detection); 2417 2418 /* Get how many link loss has happened since last link training attempts */ 2419 unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link); 2420 2421 /* 2422 * USB4 DPIA BW ALLOCATION PUBLIC FUNCTIONS 2423 */ 2424 /* 2425 * Send a request from DP-Tx requesting to allocate BW remotely after 2426 * allocating it locally. This will get processed by CM and a CB function 2427 * will be called. 2428 * 2429 * @link: pointer to the dc_link struct instance 2430 * @req_bw: The requested bw in Kbyte to allocated 2431 * 2432 * return: none 2433 */ 2434 void dc_link_set_usb4_req_bw_req(struct dc_link *link, int req_bw); 2435 2436 /* 2437 * Handle the USB4 BW Allocation related functionality here: 2438 * Plug => Try to allocate max bw from timing parameters supported by the sink 2439 * Unplug => de-allocate bw 2440 * 2441 * @link: pointer to the dc_link struct instance 2442 * @peak_bw: Peak bw used by the link/sink 2443 * 2444 */ 2445 void dc_link_dp_dpia_handle_usb4_bandwidth_allocation_for_link( 2446 struct dc_link *link, int peak_bw); 2447 2448 /* 2449 * Calculates the DP tunneling bandwidth required for the stream timing 2450 * and aggregates the stream bandwidth for the respective DP tunneling link 2451 * 2452 * return: dc_status 2453 */ 2454 enum dc_status dc_link_validate_dp_tunneling_bandwidth(const struct dc *dc, const struct dc_state *new_ctx); 2455 2456 /* 2457 * Get if ALPM is supported by the link 2458 */ 2459 void dc_link_get_alpm_support(struct dc_link *link, bool *auxless_support, 2460 bool *auxwake_support); 2461 2462 /* Sink Interfaces - A sink corresponds to a display output device */ 2463 2464 struct dc_container_id { 2465 // 128bit GUID in binary form 2466 unsigned char guid[16]; 2467 // 8 byte port ID -> ELD.PortID 2468 unsigned int portId[2]; 2469 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName 2470 unsigned short manufacturerName; 2471 // 2 byte product code -> ELD.ProductCode 2472 unsigned short productCode; 2473 }; 2474 2475 2476 struct dc_sink_dsc_caps { 2477 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology), 2478 // 'false' if they are sink's DSC caps 2479 bool is_virtual_dpcd_dsc; 2480 // 'true' if MST topology supports DSC passthrough for sink 2481 // 'false' if MST topology does not support DSC passthrough 2482 bool is_dsc_passthrough_supported; 2483 struct dsc_dec_dpcd_caps dsc_dec_caps; 2484 }; 2485 2486 struct dc_sink_hblank_expansion_caps { 2487 // 'true' if these are virtual DPCD's HBlank expansion caps (immediately upstream of sink in MST topology), 2488 // 'false' if they are sink's HBlank expansion caps 2489 bool is_virtual_dpcd_hblank_expansion; 2490 struct hblank_expansion_dpcd_caps dpcd_caps; 2491 }; 2492 2493 struct dc_sink_fec_caps { 2494 bool is_rx_fec_supported; 2495 bool is_topology_fec_supported; 2496 }; 2497 2498 struct scdc_caps { 2499 union hdmi_scdc_manufacturer_OUI_data manufacturer_OUI; 2500 union hdmi_scdc_device_id_data device_id; 2501 }; 2502 2503 /* 2504 * The sink structure contains EDID and other display device properties 2505 */ 2506 struct dc_sink { 2507 enum signal_type sink_signal; 2508 struct dc_edid dc_edid; /* raw edid */ 2509 struct dc_edid_caps edid_caps; /* parse display caps */ 2510 struct dc_container_id *dc_container_id; 2511 uint32_t dongle_max_pix_clk; 2512 void *priv; 2513 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX]; 2514 bool converter_disable_audio; 2515 2516 struct scdc_caps scdc_caps; 2517 struct dc_sink_dsc_caps dsc_caps; 2518 struct dc_sink_fec_caps fec_caps; 2519 struct dc_sink_hblank_expansion_caps hblank_expansion_caps; 2520 2521 bool is_vsc_sdp_colorimetry_supported; 2522 2523 /* private to DC core */ 2524 struct dc_link *link; 2525 struct dc_context *ctx; 2526 2527 uint32_t sink_id; 2528 2529 /* private to dc_sink.c */ 2530 // refcount must be the last member in dc_sink, since we want the 2531 // sink structure to be logically cloneable up to (but not including) 2532 // refcount 2533 struct kref refcount; 2534 }; 2535 2536 void dc_sink_retain(struct dc_sink *sink); 2537 void dc_sink_release(struct dc_sink *sink); 2538 2539 struct dc_sink_init_data { 2540 enum signal_type sink_signal; 2541 struct dc_link *link; 2542 uint32_t dongle_max_pix_clk; 2543 bool converter_disable_audio; 2544 }; 2545 2546 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params); 2547 2548 /* Newer interfaces */ 2549 struct dc_cursor { 2550 struct dc_plane_address address; 2551 struct dc_cursor_attributes attributes; 2552 }; 2553 2554 2555 /* Interrupt interfaces */ 2556 enum dc_irq_source dc_interrupt_to_irq_source( 2557 struct dc *dc, 2558 uint32_t src_id, 2559 uint32_t ext_id); 2560 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable); 2561 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src); 2562 enum dc_irq_source dc_get_hpd_irq_source_at_index( 2563 struct dc *dc, uint32_t link_index); 2564 2565 void dc_notify_vsync_int_state(struct dc *dc, struct dc_stream_state *stream, bool enable); 2566 2567 /* Power Interfaces */ 2568 2569 void dc_set_power_state( 2570 struct dc *dc, 2571 enum dc_acpi_cm_power_state power_state); 2572 void dc_resume(struct dc *dc); 2573 2574 void dc_power_down_on_boot(struct dc *dc); 2575 2576 /* 2577 * HDCP Interfaces 2578 */ 2579 enum hdcp_message_status dc_process_hdcp_msg( 2580 enum signal_type signal, 2581 struct dc_link *link, 2582 struct hdcp_protection_message *message_info); 2583 bool dc_is_dmcu_initialized(struct dc *dc); 2584 2585 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping); 2586 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg); 2587 2588 bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, 2589 unsigned int pitch, 2590 unsigned int height, 2591 enum surface_pixel_format format, 2592 struct dc_cursor_attributes *cursor_attr); 2593 2594 #define dc_allow_idle_optimizations(dc, allow) dc_allow_idle_optimizations_internal(dc, allow, __func__) 2595 #define dc_exit_ips_for_hw_access(dc) dc_exit_ips_for_hw_access_internal(dc, __func__) 2596 2597 void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, const char *caller_name); 2598 void dc_exit_ips_for_hw_access_internal(struct dc *dc, const char *caller_name); 2599 bool dc_dmub_is_ips_idle_state(struct dc *dc); 2600 2601 /* set min and max memory clock to lowest and highest DPM level, respectively */ 2602 void dc_unlock_memory_clock_frequency(struct dc *dc); 2603 2604 /* set min memory clock to the min required for current mode, max to maxDPM */ 2605 void dc_lock_memory_clock_frequency(struct dc *dc); 2606 2607 /* set soft max for memclk, to be used for AC/DC switching clock limitations */ 2608 void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable); 2609 2610 /* cleanup on driver unload */ 2611 void dc_hardware_release(struct dc *dc); 2612 2613 /* disables fw based mclk switch */ 2614 void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc); 2615 2616 bool dc_set_psr_allow_active(struct dc *dc, bool enable); 2617 2618 bool dc_set_replay_allow_active(struct dc *dc, bool active); 2619 2620 bool dc_set_ips_disable(struct dc *dc, unsigned int disable_ips); 2621 2622 void dc_z10_restore(const struct dc *dc); 2623 void dc_z10_save_init(struct dc *dc); 2624 2625 bool dc_is_dmub_outbox_supported(struct dc *dc); 2626 bool dc_enable_dmub_notifications(struct dc *dc); 2627 2628 bool dc_abm_save_restore( 2629 struct dc *dc, 2630 struct dc_stream_state *stream, 2631 struct abm_save_restore *pData); 2632 2633 void dc_enable_dmub_outbox(struct dc *dc); 2634 2635 bool dc_process_dmub_aux_transfer_async(struct dc *dc, 2636 uint32_t link_index, 2637 struct aux_payload *payload); 2638 2639 /* Get dc link index from dpia port index */ 2640 uint8_t get_link_index_from_dpia_port_index(const struct dc *dc, 2641 uint8_t dpia_port_index); 2642 2643 bool dc_process_dmub_set_config_async(struct dc *dc, 2644 uint32_t link_index, 2645 struct set_config_cmd_payload *payload, 2646 struct dmub_notification *notify); 2647 2648 enum dc_status dc_process_dmub_set_mst_slots(const struct dc *dc, 2649 uint32_t link_index, 2650 uint8_t mst_alloc_slots, 2651 uint8_t *mst_slots_in_use); 2652 2653 void dc_process_dmub_dpia_set_tps_notification(const struct dc *dc, uint32_t link_index, uint8_t tps); 2654 2655 void dc_process_dmub_dpia_hpd_int_enable(const struct dc *dc, 2656 uint32_t hpd_int_enable); 2657 2658 void dc_print_dmub_diagnostic_data(const struct dc *dc); 2659 2660 void dc_query_current_properties(struct dc *dc, struct dc_current_properties *properties); 2661 2662 struct dc_power_profile { 2663 int power_level; /* Lower is better */ 2664 }; 2665 2666 struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state *context); 2667 2668 unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context); 2669 2670 bool dc_get_host_router_index(const struct dc_link *link, unsigned int *host_router_index); 2671 2672 /* DSC Interfaces */ 2673 #include "dc_dsc.h" 2674 2675 void dc_get_visual_confirm_for_stream( 2676 struct dc *dc, 2677 struct dc_stream_state *stream_state, 2678 struct tg_color *color); 2679 2680 /* Disable acc mode Interfaces */ 2681 void dc_disable_accelerated_mode(struct dc *dc); 2682 2683 bool dc_is_timing_changed(struct dc_stream_state *cur_stream, 2684 struct dc_stream_state *new_stream); 2685 2686 bool dc_is_cursor_limit_pending(struct dc *dc); 2687 bool dc_can_clear_cursor_limit(struct dc *dc); 2688 2689 #endif /* DC_INTERFACE_H_ */ 2690