1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
|
/*
* Copyright 2020-2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "resource.h"
#include "clk_mgr.h"
#include "reg_helper.h"
#include "dcn_calc_math.h"
#include "dcn20/dcn20_resource.h"
#include "dcn30/dcn30_resource.h"
#include "clk_mgr/dcn30/dcn30_smu11_driver_if.h"
#include "display_mode_vba_30.h"
#include "dcn30_fpu.h"
#define REG(reg)\
optc1->tg_regs->reg
#define CTX \
optc1->base.ctx
#undef FN
#define FN(reg_name, field_name) \
optc1->tg_shift->field_name, optc1->tg_mask->field_name
struct _vcs_dpi_ip_params_st dcn3_0_ip = {
.use_min_dcfclk = 0,
.clamp_min_dcfclk = 0,
.odm_capable = 1,
.gpuvm_enable = 0,
.hostvm_enable = 0,
.gpuvm_max_page_table_levels = 4,
.hostvm_max_page_table_levels = 4,
.hostvm_cached_page_table_levels = 0,
.pte_group_size_bytes = 2048,
.num_dsc = 6,
.rob_buffer_size_kbytes = 184,
.det_buffer_size_kbytes = 184,
.dpte_buffer_size_in_pte_reqs_luma = 84,
.pde_proc_buffer_size_64k_reqs = 48,
.dpp_output_buffer_pixels = 2560,
.opp_output_buffer_lines = 1,
.pixel_chunk_size_kbytes = 8,
.pte_enable = 1,
.max_page_table_levels = 2,
.pte_chunk_size_kbytes = 2, // ?
.meta_chunk_size_kbytes = 2,
.writeback_chunk_size_kbytes = 8,
.line_buffer_size_bits = 789504,
.is_line_buffer_bpp_fixed = 0, // ?
.line_buffer_fixed_bpp = 0, // ?
.dcc_supported = true,
.writeback_interface_buffer_size_kbytes = 90,
.writeback_line_buffer_buffer_size = 0,
.max_line_buffer_lines = 12,
.writeback_luma_buffer_size_kbytes = 12, // writeback_line_buffer_buffer_size = 656640
.writeback_chroma_buffer_size_kbytes = 8,
.writeback_chroma_line_buffer_width_pixels = 4,
.writeback_max_hscl_ratio = 1,
.writeback_max_vscl_ratio = 1,
.writeback_min_hscl_ratio = 1,
.writeback_min_vscl_ratio = 1,
.writeback_max_hscl_taps = 1,
.writeback_max_vscl_taps = 1,
.writeback_line_buffer_luma_buffer_size = 0,
.writeback_line_buffer_chroma_buffer_size = 14643,
.cursor_buffer_size = 8,
.cursor_chunk_size = 2,
.max_num_otg = 6,
.max_num_dpp = 6,
.max_num_wb = 1,
.max_dchub_pscl_bw_pix_per_clk = 4,
.max_pscl_lb_bw_pix_per_clk = 2,
.max_lb_vscl_bw_pix_per_clk = 4,
.max_vscl_hscl_bw_pix_per_clk = 4,
.max_hscl_ratio = 6,
.max_vscl_ratio = 6,
.hscl_mults = 4,
.vscl_mults = 4,
.max_hscl_taps = 8,
.max_vscl_taps = 8,
.dispclk_ramp_margin_percent = 1,
.underscan_factor = 1.11,
.min_vblank_lines = 32,
.dppclk_delay_subtotal = 46,
.dynamic_metadata_vm_enabled = true,
.dppclk_delay_scl_lb_only = 16,
.dppclk_delay_scl = 50,
.dppclk_delay_cnvc_formatter = 27,
.dppclk_delay_cnvc_cursor = 6,
.dispclk_delay_subtotal = 119,
.dcfclk_cstate_latency = 5.2, // SRExitTime
.max_inter_dcn_tile_repeaters = 8,
.max_num_hdmi_frl_outputs = 1,
.odm_combine_4to1_supported = true,
.xfc_supported = false,
.xfc_fill_bw_overhead_percent = 10.0,
.xfc_fill_constant_bytes = 0,
.gfx7_compat_tiling_supported = 0,
.number_of_cursors = 1,
};
struct _vcs_dpi_soc_bounding_box_st dcn3_0_soc = {
.clock_limits = {
{
.state = 0,
.dispclk_mhz = 562.0,
.dppclk_mhz = 300.0,
.phyclk_mhz = 300.0,
.phyclk_d18_mhz = 667.0,
.dscclk_mhz = 405.6,
},
},
.min_dcfclk = 500.0, /* TODO: set this to actual min DCFCLK */
.num_states = 1,
.sr_exit_time_us = 15.5,
.sr_enter_plus_exit_time_us = 20,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
.urgent_latency_vm_data_only_us = 4.0,
.urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096,
.urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096,
.urgent_out_of_order_return_per_channel_vm_only_bytes = 4096,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 80.0,
.pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0,
.pct_ideal_dram_sdp_bw_after_urgent_vm_only = 40.0,
.max_avg_sdp_bw_use_normal_percent = 60.0,
.max_avg_dram_bw_use_normal_percent = 40.0,
.writeback_latency_us = 12.0,
.max_request_size_bytes = 256,
.fabric_datapath_to_dcn_data_return_bytes = 64,
.dcn_downspread_percent = 0.5,
.downspread_percent = 0.38,
.dram_page_open_time_ns = 50.0,
.dram_rw_turnaround_time_ns = 17.5,
.dram_return_buffer_per_channel_bytes = 8192,
.round_trip_ping_latency_dcfclk_cycles = 191,
.urgent_out_of_order_return_per_channel_bytes = 4096,
.channel_interleave_bytes = 256,
.num_banks = 8,
.gpuvm_min_page_size_bytes = 4096,
.hostvm_min_page_size_bytes = 4096,
.dram_clock_change_latency_us = 404,
.dummy_pstate_latency_us = 5,
.writeback_dram_clock_change_latency_us = 23.0,
.return_bus_width_bytes = 64,
.dispclk_dppclk_vco_speed_mhz = 3650,
.xfc_bus_transport_time_us = 20, // ?
.xfc_xbuf_latency_tolerance_us = 4, // ?
.use_urgent_burst_bw = 1, // ?
.do_urgent_latency_adjustment = true,
.urgent_latency_adjustment_fabric_clock_component_us = 1.0,
.urgent_latency_adjustment_fabric_clock_reference_mhz = 1000,
};
void optc3_fpu_set_vrr_m_const(struct timing_generator *optc,
double vtotal_avg)
{
struct optc *optc1 = DCN10TG_FROM_TG(optc);
double vtotal_min, vtotal_max;
double ratio, modulo, phase;
uint32_t vblank_start;
uint32_t v_total_mask_value = 0;
dc_assert_fp_enabled();
/* Compute VTOTAL_MIN and VTOTAL_MAX, so that
* VOTAL_MAX - VTOTAL_MIN = 1
*/
v_total_mask_value = 16;
vtotal_min = dcn_bw_floor(vtotal_avg);
vtotal_max = dcn_bw_ceil(vtotal_avg);
/* Check that bottom VBLANK is at least 2 lines tall when running with
* VTOTAL_MIN. Note that VTOTAL registers are defined as 'total number
* of lines in a frame - 1'.
*/
REG_GET(OTG_V_BLANK_START_END, OTG_V_BLANK_START,
&vblank_start);
ASSERT(vtotal_min >= vblank_start + 1);
/* Special case where the average frame rate can be achieved
* without using the DTO
*/
if (vtotal_min == vtotal_max) {
REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min);
optc->funcs->set_vtotal_min_max(optc, 0, 0);
REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0);
REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0);
REG_UPDATE_3(OTG_V_TOTAL_CONTROL,
OTG_V_TOTAL_MIN_SEL, 0,
OTG_V_TOTAL_MAX_SEL, 0,
OTG_SET_V_TOTAL_MIN_MASK_EN, 0);
return;
}
ratio = vtotal_max - vtotal_avg;
modulo = 65536.0 * 65536.0 - 1.0; /* 2^32 - 1 */
phase = ratio * modulo;
/* Special cases where the DTO phase gets rounded to 0 or
* to DTO modulo
*/
if (phase <= 0 || phase >= modulo) {
REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL,
phase <= 0 ?
(uint32_t)vtotal_max : (uint32_t)vtotal_min);
REG_SET(OTG_V_TOTAL_MIN, 0, OTG_V_TOTAL_MIN, 0);
REG_SET(OTG_V_TOTAL_MAX, 0, OTG_V_TOTAL_MAX, 0);
REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0);
REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0);
REG_UPDATE_3(OTG_V_TOTAL_CONTROL,
OTG_V_TOTAL_MIN_SEL, 0,
OTG_V_TOTAL_MAX_SEL, 0,
OTG_SET_V_TOTAL_MIN_MASK_EN, 0);
return;
}
REG_UPDATE_6(OTG_V_TOTAL_CONTROL,
OTG_V_TOTAL_MIN_SEL, 1,
OTG_V_TOTAL_MAX_SEL, 1,
OTG_SET_V_TOTAL_MIN_MASK_EN, 1,
OTG_SET_V_TOTAL_MIN_MASK, v_total_mask_value,
OTG_VTOTAL_MID_REPLACING_MIN_EN, 0,
OTG_VTOTAL_MID_REPLACING_MAX_EN, 0);
REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min);
optc->funcs->set_vtotal_min_max(optc, vtotal_min, vtotal_max);
REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, (uint32_t)phase);
REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, (uint32_t)modulo);
}
void dcn30_fpu_populate_dml_writeback_from_context(
struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes)
{
int pipe_cnt, i, j;
double max_calc_writeback_dispclk;
double writeback_dispclk;
struct writeback_st dout_wb;
dc_assert_fp_enabled();
for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
struct dc_stream_state *stream = res_ctx->pipe_ctx[i].stream;
if (!stream)
continue;
max_calc_writeback_dispclk = 0;
/* Set writeback information */
pipes[pipe_cnt].dout.wb_enable = 0;
pipes[pipe_cnt].dout.num_active_wb = 0;
for (j = 0; j < stream->num_wb_info; j++) {
struct dc_writeback_info *wb_info = &stream->writeback_info[j];
if (wb_info->wb_enabled && wb_info->writeback_source_plane &&
(wb_info->writeback_source_plane == res_ctx->pipe_ctx[i].plane_state)) {
pipes[pipe_cnt].dout.wb_enable = 1;
pipes[pipe_cnt].dout.num_active_wb++;
dout_wb.wb_src_height = wb_info->dwb_params.cnv_params.crop_en ?
wb_info->dwb_params.cnv_params.crop_height :
wb_info->dwb_params.cnv_params.src_height;
dout_wb.wb_src_width = wb_info->dwb_params.cnv_params.crop_en ?
wb_info->dwb_params.cnv_params.crop_width :
wb_info->dwb_params.cnv_params.src_width;
dout_wb.wb_dst_width = wb_info->dwb_params.dest_width;
dout_wb.wb_dst_height = wb_info->dwb_params.dest_height;
/* For IP that doesn't support WB scaling, set h/v taps to 1 to avoid DML validation failure */
if (dc->dml.ip.writeback_max_hscl_taps > 1) {
dout_wb.wb_htaps_luma = wb_info->dwb_params.scaler_taps.h_taps;
dout_wb.wb_vtaps_luma = wb_info->dwb_params.scaler_taps.v_taps;
} else {
dout_wb.wb_htaps_luma = 1;
dout_wb.wb_vtaps_luma = 1;
}
dout_wb.wb_htaps_chroma = 0;
dout_wb.wb_vtaps_chroma = 0;
dout_wb.wb_hratio = wb_info->dwb_params.cnv_params.crop_en ?
(double)wb_info->dwb_params.cnv_params.crop_width /
(double)wb_info->dwb_params.dest_width :
(double)wb_info->dwb_params.cnv_params.src_width /
(double)wb_info->dwb_params.dest_width;
dout_wb.wb_vratio = wb_info->dwb_params.cnv_params.crop_en ?
(double)wb_info->dwb_params.cnv_params.crop_height /
(double)wb_info->dwb_params.dest_height :
(double)wb_info->dwb_params.cnv_params.src_height /
(double)wb_info->dwb_params.dest_height;
if (wb_info->dwb_params.cnv_params.fc_out_format == DWB_OUT_FORMAT_64BPP_ARGB ||
wb_info->dwb_params.cnv_params.fc_out_format == DWB_OUT_FORMAT_64BPP_RGBA)
dout_wb.wb_pixel_format = dm_444_64;
else
dout_wb.wb_pixel_format = dm_444_32;
/* Workaround for cases where multiple writebacks are connected to same plane
* In which case, need to compute worst case and set the associated writeback parameters
* This workaround is necessary due to DML computation assuming only 1 set of writeback
* parameters per pipe
*/
writeback_dispclk = dml30_CalculateWriteBackDISPCLK(
dout_wb.wb_pixel_format,
pipes[pipe_cnt].pipe.dest.pixel_rate_mhz,
dout_wb.wb_hratio,
dout_wb.wb_vratio,
dout_wb.wb_htaps_luma,
dout_wb.wb_vtaps_luma,
dout_wb.wb_src_width,
dout_wb.wb_dst_width,
pipes[pipe_cnt].pipe.dest.htotal,
dc->current_state->bw_ctx.dml.ip.writeback_line_buffer_buffer_size);
if (writeback_dispclk > max_calc_writeback_dispclk) {
max_calc_writeback_dispclk = writeback_dispclk;
pipes[pipe_cnt].dout.wb = dout_wb;
}
}
}
pipe_cnt++;
}
}
void dcn30_fpu_set_mcif_arb_params(struct mcif_arb_params *wb_arb_params,
struct display_mode_lib *dml,
display_e2e_pipe_params_st *pipes,
int pipe_cnt,
int cur_pipe)
{
int i;
dc_assert_fp_enabled();
for (i = 0; i < ARRAY_SIZE(wb_arb_params->cli_watermark); i++) {
wb_arb_params->cli_watermark[i] = get_wm_writeback_urgent(dml, pipes, pipe_cnt) * 1000;
wb_arb_params->pstate_watermark[i] = get_wm_writeback_dram_clock_change(dml, pipes, pipe_cnt) * 1000;
}
wb_arb_params->dram_speed_change_duration = dml->vba.WritebackAllowDRAMClockChangeEndPosition[cur_pipe] * pipes[0].clks_cfg.refclk_mhz; /* num_clock_cycles = us * MHz */
}
void dcn30_fpu_update_soc_for_wm_a(struct dc *dc, struct dc_state *context)
{
dc_assert_fp_enabled();
if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid) {
context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us;
context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us;
}
}
void dcn30_fpu_calculate_wm_and_dlg(
struct dc *dc, struct dc_state *context,
display_e2e_pipe_params_st *pipes,
int pipe_cnt,
int vlevel)
{
int maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb;
int i, pipe_idx;
double dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][maxMpcComb];
bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] != dm_dram_clock_change_unsupported;
dc_assert_fp_enabled();
if (context->bw_ctx.dml.soc.min_dcfclk > dcfclk)
dcfclk = context->bw_ctx.dml.soc.min_dcfclk;
pipes[0].clks_cfg.voltage = vlevel;
pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz;
/* Set B:
* DCFCLK: 1GHz or min required above 1GHz
* FCLK/UCLK: Max
*/
if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid) {
if (vlevel == 0) {
pipes[0].clks_cfg.voltage = 1;
pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dcfclk_mhz;
}
context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us;
context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us;
context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us;
}
context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.b.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
pipes[0].clks_cfg.voltage = vlevel;
pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
/* Set D:
* DCFCLK: Min Required
* FCLK(proportional to UCLK): 1GHz or Max
* MALL stutter, sr_enter_exit = 4, sr_exit = 2us
*/
/*
if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].valid) {
context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us;
context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us;
context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us;
}
context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.d.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
*/
/* Set C:
* DCFCLK: Min Required
* FCLK(proportional to UCLK): 1GHz or Max
* pstate latency overridden to 5us
*/
if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid) {
unsigned int min_dram_speed_mts = context->bw_ctx.dml.vba.DRAMSpeed;
unsigned int min_dram_speed_mts_margin = 160;
if (context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] == dm_dram_clock_change_unsupported)
min_dram_speed_mts = dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz * 16;
/* find largest table entry that is lower than dram speed, but lower than DPM0 still uses DPM0 */
for (i = 3; i > 0; i--)
if (min_dram_speed_mts + min_dram_speed_mts_margin > dc->clk_mgr->bw_params->dummy_pstate_table[i].dram_speed_mts)
break;
context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->dummy_pstate_table[i].dummy_pstate_latency_us;
context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us;
context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us;
}
context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.c.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
if (!pstate_en) {
/* The only difference between A and C is p-state latency, if p-state is not supported we want to
* calculate DLG based on dummy p-state latency, and max out the set A p-state watermark
*/
context->bw_ctx.bw.dcn.watermarks.a = context->bw_ctx.bw.dcn.watermarks.c;
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0;
} else {
/* Set A:
* DCFCLK: Min Required
* FCLK(proportional to UCLK): 1GHz or Max
*
* Set A calculated last so that following calculations are based on Set A
*/
dc->res_pool->funcs->update_soc_for_wm_a(dc, context);
context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
context->bw_ctx.bw.dcn.watermarks.a.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
}
context->perf_params.stutter_period_us = context->bw_ctx.dml.vba.StutterPeriod;
/* Make set D = set A until set D is enabled */
context->bw_ctx.bw.dcn.watermarks.d = context->bw_ctx.bw.dcn.watermarks.a;
for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
if (!context->res_ctx.pipe_ctx[i].stream)
continue;
pipes[pipe_idx].clks_cfg.dispclk_mhz = get_dispclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt);
pipes[pipe_idx].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
if (dc->config.forced_clocks) {
pipes[pipe_idx].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz;
pipes[pipe_idx].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz;
}
if (dc->debug.min_disp_clk_khz > pipes[pipe_idx].clks_cfg.dispclk_mhz * 1000)
pipes[pipe_idx].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0;
if (dc->debug.min_dpp_clk_khz > pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
pipes[pipe_idx].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0;
pipe_idx++;
}
dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
if (!pstate_en)
/* Restore full p-state latency */
context->bw_ctx.dml.soc.dram_clock_change_latency_us =
dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching)
dcn30_setup_mclk_switch_using_fw_based_vblank_stretch(dc, context);
}
void dcn30_fpu_update_dram_channel_width_bytes(struct dc *dc)
{
dc_assert_fp_enabled();
if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes)
dcn3_0_soc.dram_channel_width_bytes = dc->ctx->dc_bios->vram_info.dram_channel_width_bytes;
}
void dcn30_fpu_update_max_clk(struct dc_bounding_box_max_clk *dcn30_bb_max_clk)
{
dc_assert_fp_enabled();
if (!dcn30_bb_max_clk->max_dcfclk_mhz)
dcn30_bb_max_clk->max_dcfclk_mhz = dcn3_0_soc.clock_limits[0].dcfclk_mhz;
if (!dcn30_bb_max_clk->max_dispclk_mhz)
dcn30_bb_max_clk->max_dispclk_mhz = dcn3_0_soc.clock_limits[0].dispclk_mhz;
if (!dcn30_bb_max_clk->max_dppclk_mhz)
dcn30_bb_max_clk->max_dppclk_mhz = dcn3_0_soc.clock_limits[0].dppclk_mhz;
if (!dcn30_bb_max_clk->max_phyclk_mhz)
dcn30_bb_max_clk->max_phyclk_mhz = dcn3_0_soc.clock_limits[0].phyclk_mhz;
}
void dcn30_fpu_get_optimal_dcfclk_fclk_for_uclk(unsigned int uclk_mts,
unsigned int *optimal_dcfclk,
unsigned int *optimal_fclk)
{
double bw_from_dram, bw_from_dram1, bw_from_dram2;
dc_assert_fp_enabled();
bw_from_dram1 = uclk_mts * dcn3_0_soc.num_chans *
dcn3_0_soc.dram_channel_width_bytes * (dcn3_0_soc.max_avg_dram_bw_use_normal_percent / 100);
bw_from_dram2 = uclk_mts * dcn3_0_soc.num_chans *
dcn3_0_soc.dram_channel_width_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100);
bw_from_dram = (bw_from_dram1 < bw_from_dram2) ? bw_from_dram1 : bw_from_dram2;
if (optimal_fclk)
*optimal_fclk = bw_from_dram /
(dcn3_0_soc.fabric_datapath_to_dcn_data_return_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100));
if (optimal_dcfclk)
*optimal_dcfclk = bw_from_dram /
(dcn3_0_soc.return_bus_width_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100));
}
void dcn30_fpu_update_bw_bounding_box(struct dc *dc,
struct clk_bw_params *bw_params,
struct dc_bounding_box_max_clk *dcn30_bb_max_clk,
unsigned int *dcfclk_mhz,
unsigned int *dram_speed_mts)
{
unsigned int i;
dc_assert_fp_enabled();
dcn3_0_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
for (i = 0; i < dcn3_0_soc.num_states; i++) {
dcn3_0_soc.clock_limits[i].state = i;
dcn3_0_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i];
dcn3_0_soc.clock_limits[i].fabricclk_mhz = dcfclk_mhz[i];
dcn3_0_soc.clock_limits[i].dram_speed_mts = dram_speed_mts[i];
/* Fill all states with max values of all other clocks */
dcn3_0_soc.clock_limits[i].dispclk_mhz = dcn30_bb_max_clk->max_dispclk_mhz;
dcn3_0_soc.clock_limits[i].dppclk_mhz = dcn30_bb_max_clk->max_dppclk_mhz;
dcn3_0_soc.clock_limits[i].phyclk_mhz = dcn30_bb_max_clk->max_phyclk_mhz;
dcn3_0_soc.clock_limits[i].dtbclk_mhz = dcn3_0_soc.clock_limits[0].dtbclk_mhz;
/* These clocks cannot come from bw_params, always fill from dcn3_0_soc[1] */
/* FCLK, PHYCLK_D18, SOCCLK, DSCCLK */
dcn3_0_soc.clock_limits[i].phyclk_d18_mhz = dcn3_0_soc.clock_limits[0].phyclk_d18_mhz;
dcn3_0_soc.clock_limits[i].socclk_mhz = dcn3_0_soc.clock_limits[0].socclk_mhz;
dcn3_0_soc.clock_limits[i].dscclk_mhz = dcn3_0_soc.clock_limits[0].dscclk_mhz;
}
/* re-init DML with updated bb */
dml_init_instance(&dc->dml, &dcn3_0_soc, &dcn3_0_ip, DML_PROJECT_DCN30);
if (dc->current_state)
dml_init_instance(&dc->current_state->bw_ctx.dml, &dcn3_0_soc, &dcn3_0_ip, DML_PROJECT_DCN30);
}
/**
* Finds dummy_latency_index when MCLK switching using firmware based
* vblank stretch is enabled. This function will iterate through the
* table of dummy pstate latencies until the lowest value that allows
* dm_allow_self_refresh_and_mclk_switch to happen is found
*/
int dcn30_find_dummy_latency_index_for_fw_based_mclk_switch(struct dc *dc,
struct dc_state *context,
display_e2e_pipe_params_st *pipes,
int pipe_cnt,
int vlevel)
{
const int max_latency_table_entries = 4;
int dummy_latency_index = 0;
dc_assert_fp_enabled();
while (dummy_latency_index < max_latency_table_entries) {
context->bw_ctx.dml.soc.dram_clock_change_latency_us =
dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us;
dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false);
if (context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank ==
dm_allow_self_refresh_and_mclk_switch)
break;
dummy_latency_index++;
}
if (dummy_latency_index == max_latency_table_entries) {
ASSERT(dummy_latency_index != max_latency_table_entries);
/* If the execution gets here, it means dummy p_states are
* not possible. This should never happen and would mean
* something is severely wrong.
* Here we reset dummy_latency_index to 3, because it is
* better to have underflows than system crashes.
*/
dummy_latency_index = 3;
}
return dummy_latency_index;
}
void dcn3_fpu_build_wm_range_table(struct clk_mgr *base)
{
/* defaults */
double pstate_latency_us = base->ctx->dc->dml.soc.dram_clock_change_latency_us;
double sr_exit_time_us = base->ctx->dc->dml.soc.sr_exit_time_us;
double sr_enter_plus_exit_time_us = base->ctx->dc->dml.soc.sr_enter_plus_exit_time_us;
uint16_t min_uclk_mhz = base->bw_params->clk_table.entries[0].memclk_mhz;
dc_assert_fp_enabled();
/* Set A - Normal - default values*/
base->bw_params->wm_table.nv_entries[WM_A].valid = true;
base->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us;
base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us;
base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = 0;
base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;
/* Set B - Performance - higher minimum clocks */
// base->bw_params->wm_table.nv_entries[WM_B].valid = true;
// base->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us;
// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us;
// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = TUNED VALUE;
// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF;
// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = TUNED VALUE;
// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF;
/* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */
base->bw_params->wm_table.nv_entries[WM_C].valid = true;
base->bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 0;
base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us;
base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = 0;
base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF;
base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz;
base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF;
base->bw_params->dummy_pstate_table[0].dram_speed_mts = 1600;
base->bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 38;
base->bw_params->dummy_pstate_table[1].dram_speed_mts = 8000;
base->bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9;
base->bw_params->dummy_pstate_table[2].dram_speed_mts = 10000;
base->bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8;
base->bw_params->dummy_pstate_table[3].dram_speed_mts = 16000;
base->bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5;
/* Set D - MALL - SR enter and exit times adjusted for MALL */
base->bw_params->wm_table.nv_entries[WM_D].valid = true;
base->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = pstate_latency_us;
base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = 2;
base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = 4;
base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL;
base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = 0;
base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF;
base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz;
base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF;
}
void patch_dcn30_soc_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *dcn3_0_ip)
{
dc_assert_fp_enabled();
if (dc->ctx->dc_bios->funcs->get_soc_bb_info) {
struct bp_soc_bb_info bb_info = {0};
if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) {
if (bb_info.dram_clock_change_latency_100ns > 0)
dcn3_0_soc.dram_clock_change_latency_us = bb_info.dram_clock_change_latency_100ns * 10;
if (bb_info.dram_sr_enter_exit_latency_100ns > 0)
dcn3_0_soc.sr_enter_plus_exit_time_us = bb_info.dram_sr_enter_exit_latency_100ns * 10;
if (bb_info.dram_sr_exit_latency_100ns > 0)
dcn3_0_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10;
}
}
}
|