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