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