1 /* $NetBSD: dce_calcs.h,v 1.3 2021/12/19 11:23:38 riastradh Exp $ */ 2 3 /* 4 * Copyright 2015-2017 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28 /** 29 * Bandwidth and Watermark calculations interface. 30 * (Refer to "DCEx_mode_support.xlsm" from Perforce.) 31 */ 32 #ifndef __DCE_CALCS_H__ 33 #define __DCE_CALCS_H__ 34 35 #include "bw_fixed.h" 36 37 struct pipe_ctx; 38 struct dc; 39 struct dc_state; 40 struct dce_bw_output; 41 42 enum bw_calcs_version { 43 BW_CALCS_VERSION_INVALID, 44 BW_CALCS_VERSION_CARRIZO, 45 BW_CALCS_VERSION_POLARIS10, 46 BW_CALCS_VERSION_POLARIS11, 47 BW_CALCS_VERSION_POLARIS12, 48 BW_CALCS_VERSION_VEGAM, 49 BW_CALCS_VERSION_STONEY, 50 BW_CALCS_VERSION_VEGA10 51 }; 52 53 /******************************************************************************* 54 * There are three types of input into Calculations: 55 * 1. per-DCE static values - these are "hardcoded" properties of the DCEIP 56 * 2. board-level values - these are generally coming from VBIOS parser 57 * 3. mode/configuration values - depending Mode, Scaling number of Displays etc. 58 ******************************************************************************/ 59 60 enum bw_defines { 61 //Common 62 bw_def_no = 0, 63 bw_def_none = 0, 64 bw_def_yes = 1, 65 bw_def_ok = 1, 66 bw_def_high = 2, 67 bw_def_mid = 1, 68 bw_def_low = 0, 69 70 //Internal 71 bw_defs_start = 255, 72 bw_def_underlay422, 73 bw_def_underlay420_luma, 74 bw_def_underlay420_chroma, 75 bw_def_underlay444, 76 bw_def_graphics, 77 bw_def_display_write_back420_luma, 78 bw_def_display_write_back420_chroma, 79 bw_def_portrait, 80 bw_def_hsr_mtn_4, 81 bw_def_hsr_mtn_h_taps, 82 bw_def_ceiling__h_taps_div_4___meq_hsr, 83 bw_def_invalid_linear_or_stereo_mode, 84 bw_def_invalid_rotation_or_bpp_or_stereo, 85 bw_def_vsr_mtn_v_taps, 86 bw_def_vsr_mtn_4, 87 bw_def_auto, 88 bw_def_manual, 89 bw_def_exceeded_allowed_maximum_sclk, 90 bw_def_exceeded_allowed_page_close_open, 91 bw_def_exceeded_allowed_outstanding_pte_req_queue_size, 92 bw_def_exceeded_allowed_maximum_bw, 93 bw_def_landscape, 94 95 //Panning and bezel 96 bw_def_any_lines, 97 98 //Underlay mode 99 bw_def_underlay_only, 100 bw_def_blended, 101 bw_def_blend, 102 103 //Stereo mode 104 bw_def_mono, 105 bw_def_side_by_side, 106 bw_def_top_bottom, 107 108 //Underlay surface type 109 bw_def_420, 110 bw_def_422, 111 bw_def_444, 112 113 //Tiling mode 114 bw_def_linear, 115 bw_def_tiled, 116 bw_def_array_linear_general, 117 bw_def_array_linear_aligned, 118 bw_def_rotated_micro_tiling, 119 bw_def_display_micro_tiling, 120 121 //Memory type 122 bw_def_gddr5, 123 bw_def_hbm, 124 125 //Voltage 126 bw_def_high_no_nbp_state_change, 127 bw_def_0_72, 128 bw_def_0_8, 129 bw_def_0_9, 130 131 bw_def_notok = -1, 132 bw_def_na = -1 133 }; 134 135 struct bw_calcs_dceip { 136 enum bw_calcs_version version; 137 uint32_t percent_of_ideal_port_bw_received_after_urgent_latency; 138 uint32_t max_average_percent_of_ideal_port_bw_display_can_use_in_normal_system_operation; 139 uint32_t max_average_percent_of_ideal_drambw_display_can_use_in_normal_system_operation; 140 bool large_cursor; 141 uint32_t cursor_max_outstanding_group_num; 142 bool dmif_pipe_en_fbc_chunk_tracker; 143 struct bw_fixed dmif_request_buffer_size; 144 uint32_t lines_interleaved_into_lb; 145 uint32_t low_power_tiling_mode; 146 uint32_t chunk_width; 147 uint32_t number_of_graphics_pipes; 148 uint32_t number_of_underlay_pipes; 149 bool display_write_back_supported; 150 bool argb_compression_support; 151 struct bw_fixed underlay_vscaler_efficiency6_bit_per_component; 152 struct bw_fixed underlay_vscaler_efficiency8_bit_per_component; 153 struct bw_fixed underlay_vscaler_efficiency10_bit_per_component; 154 struct bw_fixed underlay_vscaler_efficiency12_bit_per_component; 155 struct bw_fixed graphics_vscaler_efficiency6_bit_per_component; 156 struct bw_fixed graphics_vscaler_efficiency8_bit_per_component; 157 struct bw_fixed graphics_vscaler_efficiency10_bit_per_component; 158 struct bw_fixed graphics_vscaler_efficiency12_bit_per_component; 159 struct bw_fixed alpha_vscaler_efficiency; 160 uint32_t max_dmif_buffer_allocated; 161 uint32_t graphics_dmif_size; 162 uint32_t underlay_luma_dmif_size; 163 uint32_t underlay_chroma_dmif_size; 164 bool pre_downscaler_enabled; 165 bool underlay_downscale_prefetch_enabled; 166 struct bw_fixed lb_write_pixels_per_dispclk; 167 struct bw_fixed lb_size_per_component444; 168 bool graphics_lb_nodownscaling_multi_line_prefetching; 169 struct bw_fixed stutter_and_dram_clock_state_change_gated_before_cursor; 170 struct bw_fixed underlay420_luma_lb_size_per_component; 171 struct bw_fixed underlay420_chroma_lb_size_per_component; 172 struct bw_fixed underlay422_lb_size_per_component; 173 struct bw_fixed cursor_chunk_width; 174 struct bw_fixed cursor_dcp_buffer_lines; 175 struct bw_fixed underlay_maximum_width_efficient_for_tiling; 176 struct bw_fixed underlay_maximum_height_efficient_for_tiling; 177 struct bw_fixed peak_pte_request_to_eviction_ratio_limiting_multiple_displays_or_single_rotated_display; 178 struct bw_fixed peak_pte_request_to_eviction_ratio_limiting_single_display_no_rotation; 179 struct bw_fixed minimum_outstanding_pte_request_limit; 180 struct bw_fixed maximum_total_outstanding_pte_requests_allowed_by_saw; 181 bool limit_excessive_outstanding_dmif_requests; 182 struct bw_fixed linear_mode_line_request_alternation_slice; 183 uint32_t scatter_gather_lines_of_pte_prefetching_in_linear_mode; 184 uint32_t display_write_back420_luma_mcifwr_buffer_size; 185 uint32_t display_write_back420_chroma_mcifwr_buffer_size; 186 struct bw_fixed request_efficiency; 187 struct bw_fixed dispclk_per_request; 188 struct bw_fixed dispclk_ramping_factor; 189 struct bw_fixed display_pipe_throughput_factor; 190 uint32_t scatter_gather_pte_request_rows_in_tiling_mode; 191 struct bw_fixed mcifwr_all_surfaces_burst_time; 192 }; 193 194 struct bw_calcs_vbios { 195 enum bw_defines memory_type; 196 uint32_t dram_channel_width_in_bits; 197 uint32_t number_of_dram_channels; 198 uint32_t number_of_dram_banks; 199 struct bw_fixed low_yclk; /*m_hz*/ 200 struct bw_fixed mid_yclk; /*m_hz*/ 201 struct bw_fixed high_yclk; /*m_hz*/ 202 struct bw_fixed low_sclk; /*m_hz*/ 203 struct bw_fixed mid1_sclk; /*m_hz*/ 204 struct bw_fixed mid2_sclk; /*m_hz*/ 205 struct bw_fixed mid3_sclk; /*m_hz*/ 206 struct bw_fixed mid4_sclk; /*m_hz*/ 207 struct bw_fixed mid5_sclk; /*m_hz*/ 208 struct bw_fixed mid6_sclk; /*m_hz*/ 209 struct bw_fixed high_sclk; /*m_hz*/ 210 struct bw_fixed low_voltage_max_dispclk; /*m_hz*/ 211 struct bw_fixed mid_voltage_max_dispclk; /*m_hz*/ 212 struct bw_fixed high_voltage_max_dispclk; /*m_hz*/ 213 struct bw_fixed low_voltage_max_phyclk; 214 struct bw_fixed mid_voltage_max_phyclk; 215 struct bw_fixed high_voltage_max_phyclk; 216 struct bw_fixed data_return_bus_width; 217 struct bw_fixed trc; 218 struct bw_fixed dmifmc_urgent_latency; 219 struct bw_fixed stutter_self_refresh_exit_latency; 220 struct bw_fixed stutter_self_refresh_entry_latency; 221 struct bw_fixed nbp_state_change_latency; 222 struct bw_fixed mcifwrmc_urgent_latency; 223 bool scatter_gather_enable; 224 struct bw_fixed down_spread_percentage; 225 uint32_t cursor_width; 226 uint32_t average_compression_rate; 227 uint32_t number_of_request_slots_gmc_reserves_for_dmif_per_channel; 228 struct bw_fixed blackout_duration; 229 struct bw_fixed maximum_blackout_recovery_time; 230 }; 231 232 /******************************************************************************* 233 * Temporary data structure(s). 234 ******************************************************************************/ 235 #define maximum_number_of_surfaces 12 236 /*Units : MHz, us */ 237 238 struct bw_calcs_data { 239 /* data for all displays */ 240 bool display_synchronization_enabled; 241 uint32_t number_of_displays; 242 enum bw_defines underlay_surface_type; 243 enum bw_defines panning_and_bezel_adjustment; 244 enum bw_defines graphics_tiling_mode; 245 uint32_t graphics_lb_bpc; 246 uint32_t underlay_lb_bpc; 247 enum bw_defines underlay_tiling_mode; 248 enum bw_defines d0_underlay_mode; 249 bool d1_display_write_back_dwb_enable; 250 enum bw_defines d1_underlay_mode; 251 252 bool increase_voltage_to_support_mclk_switch; 253 bool cpup_state_change_enable; 254 bool cpuc_state_change_enable; 255 bool nbp_state_change_enable; 256 bool stutter_mode_enable; 257 uint32_t y_clk_level; 258 uint32_t sclk_level; 259 uint32_t number_of_underlay_surfaces; 260 uint32_t number_of_dram_wrchannels; 261 uint32_t chunk_request_delay; 262 uint32_t number_of_dram_channels; 263 enum bw_defines underlay_micro_tile_mode; 264 enum bw_defines graphics_micro_tile_mode; 265 struct bw_fixed max_phyclk; 266 struct bw_fixed dram_efficiency; 267 struct bw_fixed src_width_after_surface_type; 268 struct bw_fixed src_height_after_surface_type; 269 struct bw_fixed hsr_after_surface_type; 270 struct bw_fixed vsr_after_surface_type; 271 struct bw_fixed src_width_after_rotation; 272 struct bw_fixed src_height_after_rotation; 273 struct bw_fixed hsr_after_rotation; 274 struct bw_fixed vsr_after_rotation; 275 struct bw_fixed source_height_pixels; 276 struct bw_fixed hsr_after_stereo; 277 struct bw_fixed vsr_after_stereo; 278 struct bw_fixed source_width_in_lb; 279 struct bw_fixed lb_line_pitch; 280 struct bw_fixed underlay_maximum_source_efficient_for_tiling; 281 struct bw_fixed num_lines_at_frame_start; 282 struct bw_fixed min_dmif_size_in_time; 283 struct bw_fixed min_mcifwr_size_in_time; 284 struct bw_fixed total_requests_for_dmif_size; 285 struct bw_fixed peak_pte_request_to_eviction_ratio_limiting; 286 struct bw_fixed useful_pte_per_pte_request; 287 struct bw_fixed scatter_gather_pte_request_rows; 288 struct bw_fixed scatter_gather_row_height; 289 struct bw_fixed scatter_gather_pte_requests_in_vblank; 290 struct bw_fixed inefficient_linear_pitch_in_bytes; 291 struct bw_fixed cursor_total_data; 292 struct bw_fixed cursor_total_request_groups; 293 struct bw_fixed scatter_gather_total_pte_requests; 294 struct bw_fixed scatter_gather_total_pte_request_groups; 295 struct bw_fixed tile_width_in_pixels; 296 struct bw_fixed dmif_total_number_of_data_request_page_close_open; 297 struct bw_fixed mcifwr_total_number_of_data_request_page_close_open; 298 struct bw_fixed bytes_per_page_close_open; 299 struct bw_fixed mcifwr_total_page_close_open_time; 300 struct bw_fixed total_requests_for_adjusted_dmif_size; 301 struct bw_fixed total_dmifmc_urgent_trips; 302 struct bw_fixed total_dmifmc_urgent_latency; 303 struct bw_fixed total_display_reads_required_data; 304 struct bw_fixed total_display_reads_required_dram_access_data; 305 struct bw_fixed total_display_writes_required_data; 306 struct bw_fixed total_display_writes_required_dram_access_data; 307 struct bw_fixed display_reads_required_data; 308 struct bw_fixed display_reads_required_dram_access_data; 309 struct bw_fixed dmif_total_page_close_open_time; 310 struct bw_fixed min_cursor_memory_interface_buffer_size_in_time; 311 struct bw_fixed min_read_buffer_size_in_time; 312 struct bw_fixed display_reads_time_for_data_transfer; 313 struct bw_fixed display_writes_time_for_data_transfer; 314 struct bw_fixed dmif_required_dram_bandwidth; 315 struct bw_fixed mcifwr_required_dram_bandwidth; 316 struct bw_fixed required_dmifmc_urgent_latency_for_page_close_open; 317 struct bw_fixed required_mcifmcwr_urgent_latency; 318 struct bw_fixed required_dram_bandwidth_gbyte_per_second; 319 struct bw_fixed dram_bandwidth; 320 struct bw_fixed dmif_required_sclk; 321 struct bw_fixed mcifwr_required_sclk; 322 struct bw_fixed required_sclk; 323 struct bw_fixed downspread_factor; 324 struct bw_fixed v_scaler_efficiency; 325 struct bw_fixed scaler_limits_factor; 326 struct bw_fixed display_pipe_pixel_throughput; 327 struct bw_fixed total_dispclk_required_with_ramping; 328 struct bw_fixed total_dispclk_required_without_ramping; 329 struct bw_fixed total_read_request_bandwidth; 330 struct bw_fixed total_write_request_bandwidth; 331 struct bw_fixed dispclk_required_for_total_read_request_bandwidth; 332 struct bw_fixed total_dispclk_required_with_ramping_with_request_bandwidth; 333 struct bw_fixed total_dispclk_required_without_ramping_with_request_bandwidth; 334 struct bw_fixed dispclk; 335 struct bw_fixed blackout_recovery_time; 336 struct bw_fixed min_pixels_per_data_fifo_entry; 337 struct bw_fixed sclk_deep_sleep; 338 struct bw_fixed chunk_request_time; 339 struct bw_fixed cursor_request_time; 340 struct bw_fixed line_source_pixels_transfer_time; 341 struct bw_fixed dmifdram_access_efficiency; 342 struct bw_fixed mcifwrdram_access_efficiency; 343 struct bw_fixed total_average_bandwidth_no_compression; 344 struct bw_fixed total_average_bandwidth; 345 struct bw_fixed total_stutter_cycle_duration; 346 struct bw_fixed stutter_burst_time; 347 struct bw_fixed time_in_self_refresh; 348 struct bw_fixed stutter_efficiency; 349 struct bw_fixed worst_number_of_trips_to_memory; 350 struct bw_fixed immediate_flip_time; 351 struct bw_fixed latency_for_non_dmif_clients; 352 struct bw_fixed latency_for_non_mcifwr_clients; 353 struct bw_fixed dmifmc_urgent_latency_supported_in_high_sclk_and_yclk; 354 struct bw_fixed nbp_state_dram_speed_change_margin; 355 struct bw_fixed display_reads_time_for_data_transfer_and_urgent_latency; 356 struct bw_fixed dram_speed_change_margin; 357 struct bw_fixed min_vblank_dram_speed_change_margin; 358 struct bw_fixed min_stutter_refresh_duration; 359 uint32_t total_stutter_dmif_buffer_size; 360 uint32_t total_bytes_requested; 361 uint32_t min_stutter_dmif_buffer_size; 362 uint32_t num_stutter_bursts; 363 struct bw_fixed v_blank_nbp_state_dram_speed_change_latency_supported; 364 struct bw_fixed nbp_state_dram_speed_change_latency_supported; 365 bool fbc_en[maximum_number_of_surfaces]; 366 bool lpt_en[maximum_number_of_surfaces]; 367 bool displays_match_flag[maximum_number_of_surfaces]; 368 bool use_alpha[maximum_number_of_surfaces]; 369 bool orthogonal_rotation[maximum_number_of_surfaces]; 370 bool enable[maximum_number_of_surfaces]; 371 bool access_one_channel_only[maximum_number_of_surfaces]; 372 bool scatter_gather_enable_for_pipe[maximum_number_of_surfaces]; 373 bool interlace_mode[maximum_number_of_surfaces]; 374 bool display_pstate_change_enable[maximum_number_of_surfaces]; 375 bool line_buffer_prefetch[maximum_number_of_surfaces]; 376 uint32_t bytes_per_pixel[maximum_number_of_surfaces]; 377 uint32_t max_chunks_non_fbc_mode[maximum_number_of_surfaces]; 378 uint32_t lb_bpc[maximum_number_of_surfaces]; 379 uint32_t output_bpphdmi[maximum_number_of_surfaces]; 380 uint32_t output_bppdp4_lane_hbr[maximum_number_of_surfaces]; 381 uint32_t output_bppdp4_lane_hbr2[maximum_number_of_surfaces]; 382 uint32_t output_bppdp4_lane_hbr3[maximum_number_of_surfaces]; 383 enum bw_defines stereo_mode[maximum_number_of_surfaces]; 384 struct bw_fixed dmif_buffer_transfer_time[maximum_number_of_surfaces]; 385 struct bw_fixed displays_with_same_mode[maximum_number_of_surfaces]; 386 struct bw_fixed stutter_dmif_buffer_size[maximum_number_of_surfaces]; 387 struct bw_fixed stutter_refresh_duration[maximum_number_of_surfaces]; 388 struct bw_fixed stutter_exit_watermark[maximum_number_of_surfaces]; 389 struct bw_fixed stutter_entry_watermark[maximum_number_of_surfaces]; 390 struct bw_fixed h_total[maximum_number_of_surfaces]; 391 struct bw_fixed v_total[maximum_number_of_surfaces]; 392 struct bw_fixed pixel_rate[maximum_number_of_surfaces]; 393 struct bw_fixed src_width[maximum_number_of_surfaces]; 394 struct bw_fixed pitch_in_pixels[maximum_number_of_surfaces]; 395 struct bw_fixed pitch_in_pixels_after_surface_type[maximum_number_of_surfaces]; 396 struct bw_fixed src_height[maximum_number_of_surfaces]; 397 struct bw_fixed scale_ratio[maximum_number_of_surfaces]; 398 struct bw_fixed h_taps[maximum_number_of_surfaces]; 399 struct bw_fixed v_taps[maximum_number_of_surfaces]; 400 struct bw_fixed h_scale_ratio[maximum_number_of_surfaces]; 401 struct bw_fixed v_scale_ratio[maximum_number_of_surfaces]; 402 struct bw_fixed rotation_angle[maximum_number_of_surfaces]; 403 struct bw_fixed compression_rate[maximum_number_of_surfaces]; 404 struct bw_fixed hsr[maximum_number_of_surfaces]; 405 struct bw_fixed vsr[maximum_number_of_surfaces]; 406 struct bw_fixed source_width_rounded_up_to_chunks[maximum_number_of_surfaces]; 407 struct bw_fixed source_width_pixels[maximum_number_of_surfaces]; 408 struct bw_fixed source_height_rounded_up_to_chunks[maximum_number_of_surfaces]; 409 struct bw_fixed display_bandwidth[maximum_number_of_surfaces]; 410 struct bw_fixed request_bandwidth[maximum_number_of_surfaces]; 411 struct bw_fixed bytes_per_request[maximum_number_of_surfaces]; 412 struct bw_fixed useful_bytes_per_request[maximum_number_of_surfaces]; 413 struct bw_fixed lines_interleaved_in_mem_access[maximum_number_of_surfaces]; 414 struct bw_fixed latency_hiding_lines[maximum_number_of_surfaces]; 415 struct bw_fixed lb_partitions[maximum_number_of_surfaces]; 416 struct bw_fixed lb_partitions_max[maximum_number_of_surfaces]; 417 struct bw_fixed dispclk_required_with_ramping[maximum_number_of_surfaces]; 418 struct bw_fixed dispclk_required_without_ramping[maximum_number_of_surfaces]; 419 struct bw_fixed data_buffer_size[maximum_number_of_surfaces]; 420 struct bw_fixed outstanding_chunk_request_limit[maximum_number_of_surfaces]; 421 struct bw_fixed urgent_watermark[maximum_number_of_surfaces]; 422 struct bw_fixed nbp_state_change_watermark[maximum_number_of_surfaces]; 423 struct bw_fixed v_filter_init[maximum_number_of_surfaces]; 424 struct bw_fixed stutter_cycle_duration[maximum_number_of_surfaces]; 425 struct bw_fixed average_bandwidth[maximum_number_of_surfaces]; 426 struct bw_fixed average_bandwidth_no_compression[maximum_number_of_surfaces]; 427 struct bw_fixed scatter_gather_pte_request_limit[maximum_number_of_surfaces]; 428 struct bw_fixed lb_size_per_component[maximum_number_of_surfaces]; 429 struct bw_fixed memory_chunk_size_in_bytes[maximum_number_of_surfaces]; 430 struct bw_fixed pipe_chunk_size_in_bytes[maximum_number_of_surfaces]; 431 struct bw_fixed number_of_trips_to_memory_for_getting_apte_row[maximum_number_of_surfaces]; 432 struct bw_fixed adjusted_data_buffer_size[maximum_number_of_surfaces]; 433 struct bw_fixed adjusted_data_buffer_size_in_memory[maximum_number_of_surfaces]; 434 struct bw_fixed pixels_per_data_fifo_entry[maximum_number_of_surfaces]; 435 struct bw_fixed scatter_gather_pte_requests_in_row[maximum_number_of_surfaces]; 436 struct bw_fixed pte_request_per_chunk[maximum_number_of_surfaces]; 437 struct bw_fixed scatter_gather_page_width[maximum_number_of_surfaces]; 438 struct bw_fixed scatter_gather_page_height[maximum_number_of_surfaces]; 439 struct bw_fixed lb_lines_in_per_line_out_in_beginning_of_frame[maximum_number_of_surfaces]; 440 struct bw_fixed lb_lines_in_per_line_out_in_middle_of_frame[maximum_number_of_surfaces]; 441 struct bw_fixed cursor_width_pixels[maximum_number_of_surfaces]; 442 struct bw_fixed minimum_latency_hiding[maximum_number_of_surfaces]; 443 struct bw_fixed maximum_latency_hiding[maximum_number_of_surfaces]; 444 struct bw_fixed minimum_latency_hiding_with_cursor[maximum_number_of_surfaces]; 445 struct bw_fixed maximum_latency_hiding_with_cursor[maximum_number_of_surfaces]; 446 struct bw_fixed src_pixels_for_first_output_pixel[maximum_number_of_surfaces]; 447 struct bw_fixed src_pixels_for_last_output_pixel[maximum_number_of_surfaces]; 448 struct bw_fixed src_data_for_first_output_pixel[maximum_number_of_surfaces]; 449 struct bw_fixed src_data_for_last_output_pixel[maximum_number_of_surfaces]; 450 struct bw_fixed active_time[maximum_number_of_surfaces]; 451 struct bw_fixed horizontal_blank_and_chunk_granularity_factor[maximum_number_of_surfaces]; 452 struct bw_fixed cursor_latency_hiding[maximum_number_of_surfaces]; 453 struct bw_fixed v_blank_dram_speed_change_margin[maximum_number_of_surfaces]; 454 uint32_t num_displays_with_margin[3][8]; 455 struct bw_fixed dmif_burst_time[3][8]; 456 struct bw_fixed mcifwr_burst_time[3][8]; 457 struct bw_fixed line_source_transfer_time[maximum_number_of_surfaces][3][8]; 458 struct bw_fixed dram_speed_change_line_source_transfer_time[maximum_number_of_surfaces][3][8]; 459 struct bw_fixed min_dram_speed_change_margin[3][8]; 460 struct bw_fixed dispclk_required_for_dram_speed_change[3][8]; 461 struct bw_fixed dispclk_required_for_dram_speed_change_pipe[3][8]; 462 struct bw_fixed blackout_duration_margin[3][8]; 463 struct bw_fixed dispclk_required_for_blackout_duration[3][8]; 464 struct bw_fixed dispclk_required_for_blackout_recovery[3][8]; 465 struct bw_fixed dmif_required_sclk_for_urgent_latency[6]; 466 }; 467 468 /** 469 * Initialize structures with data which will NOT change at runtime. 470 */ 471 void bw_calcs_init( 472 struct bw_calcs_dceip *bw_dceip, 473 struct bw_calcs_vbios *bw_vbios, 474 struct hw_asic_id asic_id); 475 476 /** 477 * Return: 478 * true - Display(s) configuration supported. 479 * In this case 'calcs_output' contains data for HW programming 480 * false - Display(s) configuration not supported (not enough bandwidth). 481 */ 482 bool bw_calcs( 483 struct dc_context *ctx, 484 const struct bw_calcs_dceip *dceip, 485 struct bw_calcs_vbios *vbios, 486 const struct pipe_ctx *pipe, 487 int pipe_count, 488 struct dce_bw_output *calcs_output); 489 490 #endif /* __BANDWIDTH_CALCS_H__ */ 491 492
Indexes created Sat Sep 20 22:09:52 GMT 2025