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
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
|
/*
* Copyright 2015 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 "dm_services.h"
#include "dc.h"
#include "core_status.h"
#include "core_types.h"
#include "hw_sequencer.h"
#include "dce/dce_hwseq.h"
#include "resource.h"
#include "clock_source.h"
#include "dc_bios_types.h"
#include "bios_parser_interface.h"
#include "include/irq_service_interface.h"
#include "transform.h"
#include "dmcu.h"
#include "dpp.h"
#include "timing_generator.h"
#include "abm.h"
#include "virtual/virtual_link_encoder.h"
#include "link_hwss.h"
#include "link_encoder.h"
#include "dc_link_ddc.h"
#include "dm_helpers.h"
#include "mem_input.h"
#include "hubp.h"
#define DC_LOGGER \
dc->ctx->logger
/*******************************************************************************
* Private functions
******************************************************************************/
static inline void elevate_update_type(enum surface_update_type *original, enum surface_update_type new)
{
if (new > *original)
*original = new;
}
static void destroy_links(struct dc *dc)
{
uint32_t i;
for (i = 0; i < dc->link_count; i++) {
if (NULL != dc->links[i])
link_destroy(&dc->links[i]);
}
}
static bool create_links(
struct dc *dc,
uint32_t num_virtual_links)
{
int i;
int connectors_num;
struct dc_bios *bios = dc->ctx->dc_bios;
dc->link_count = 0;
connectors_num = bios->funcs->get_connectors_number(bios);
if (connectors_num > ENUM_ID_COUNT) {
dm_error(
"DC: Number of connectors %d exceeds maximum of %d!\n",
connectors_num,
ENUM_ID_COUNT);
return false;
}
if (connectors_num == 0 && num_virtual_links == 0) {
dm_error("DC: Number of connectors is zero!\n");
}
dm_output_to_console(
"DC: %s: connectors_num: physical:%d, virtual:%d\n",
__func__,
connectors_num,
num_virtual_links);
for (i = 0; i < connectors_num; i++) {
struct link_init_data link_init_params = {0};
struct dc_link *link;
link_init_params.ctx = dc->ctx;
/* next BIOS object table connector */
link_init_params.connector_index = i;
link_init_params.link_index = dc->link_count;
link_init_params.dc = dc;
link = link_create(&link_init_params);
if (link) {
dc->links[dc->link_count] = link;
link->dc = dc;
++dc->link_count;
}
}
for (i = 0; i < num_virtual_links; i++) {
struct dc_link *link = kzalloc(sizeof(*link), GFP_KERNEL);
struct encoder_init_data enc_init = {0};
if (link == NULL) {
BREAK_TO_DEBUGGER();
goto failed_alloc;
}
link->link_index = dc->link_count;
dc->links[dc->link_count] = link;
dc->link_count++;
link->ctx = dc->ctx;
link->dc = dc;
link->connector_signal = SIGNAL_TYPE_VIRTUAL;
link->link_id.type = OBJECT_TYPE_CONNECTOR;
link->link_id.id = CONNECTOR_ID_VIRTUAL;
link->link_id.enum_id = ENUM_ID_1;
link->link_enc = kzalloc(sizeof(*link->link_enc), GFP_KERNEL);
if (!link->link_enc) {
BREAK_TO_DEBUGGER();
goto failed_alloc;
}
link->link_status.dpcd_caps = &link->dpcd_caps;
enc_init.ctx = dc->ctx;
enc_init.channel = CHANNEL_ID_UNKNOWN;
enc_init.hpd_source = HPD_SOURCEID_UNKNOWN;
enc_init.transmitter = TRANSMITTER_UNKNOWN;
enc_init.connector = link->link_id;
enc_init.encoder.type = OBJECT_TYPE_ENCODER;
enc_init.encoder.id = ENCODER_ID_INTERNAL_VIRTUAL;
enc_init.encoder.enum_id = ENUM_ID_1;
virtual_link_encoder_construct(link->link_enc, &enc_init);
}
return true;
failed_alloc:
return false;
}
bool dc_stream_adjust_vmin_vmax(struct dc *dc,
struct dc_stream_state **streams, int num_streams,
int vmin, int vmax)
{
/* TODO: Support multiple streams */
struct dc_stream_state *stream = streams[0];
int i = 0;
bool ret = false;
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream && pipe->stream_res.stream_enc) {
dc->hwss.set_drr(&pipe, 1, vmin, vmax);
/* build and update the info frame */
resource_build_info_frame(pipe);
dc->hwss.update_info_frame(pipe);
ret = true;
}
}
return ret;
}
bool dc_stream_get_crtc_position(struct dc *dc,
struct dc_stream_state **streams, int num_streams,
unsigned int *v_pos, unsigned int *nom_v_pos)
{
/* TODO: Support multiple streams */
struct dc_stream_state *stream = streams[0];
int i = 0;
bool ret = false;
struct crtc_position position;
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe =
&dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream && pipe->stream_res.stream_enc) {
dc->hwss.get_position(&pipe, 1, &position);
*v_pos = position.vertical_count;
*nom_v_pos = position.nominal_vcount;
ret = true;
}
}
return ret;
}
/**
* dc_stream_configure_crc: Configure CRC capture for the given stream.
* @dc: DC Object
* @stream: The stream to configure CRC on.
* @enable: Enable CRC if true, disable otherwise.
* @continuous: Capture CRC on every frame if true. Otherwise, only capture
* once.
*
* By default, only CRC0 is configured, and the entire frame is used to
* calculate the crc.
*/
bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream,
bool enable, bool continuous)
{
int i;
struct pipe_ctx *pipe;
struct crc_params param;
struct timing_generator *tg;
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream)
break;
}
/* Stream not found */
if (i == MAX_PIPES)
return false;
/* Always capture the full frame */
param.windowa_x_start = 0;
param.windowa_y_start = 0;
param.windowa_x_end = pipe->stream->timing.h_addressable;
param.windowa_y_end = pipe->stream->timing.v_addressable;
param.windowb_x_start = 0;
param.windowb_y_start = 0;
param.windowb_x_end = pipe->stream->timing.h_addressable;
param.windowb_y_end = pipe->stream->timing.v_addressable;
/* Default to the union of both windows */
param.selection = UNION_WINDOW_A_B;
param.continuous_mode = continuous;
param.enable = enable;
tg = pipe->stream_res.tg;
/* Only call if supported */
if (tg->funcs->configure_crc)
return tg->funcs->configure_crc(tg, ¶m);
DC_LOG_WARNING("CRC capture not supported.");
return false;
}
/**
* dc_stream_get_crc: Get CRC values for the given stream.
* @dc: DC object
* @stream: The DC stream state of the stream to get CRCs from.
* @r_cr, g_y, b_cb: CRC values for the three channels are stored here.
*
* dc_stream_configure_crc needs to be called beforehand to enable CRCs.
* Return false if stream is not found, or if CRCs are not enabled.
*/
bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream,
uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb)
{
int i;
struct pipe_ctx *pipe;
struct timing_generator *tg;
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream)
break;
}
/* Stream not found */
if (i == MAX_PIPES)
return false;
tg = pipe->stream_res.tg;
if (tg->funcs->get_crc)
return tg->funcs->get_crc(tg, r_cr, g_y, b_cb);
DC_LOG_WARNING("CRC capture not supported.");
return false;
}
void dc_stream_set_dither_option(struct dc_stream_state *stream,
enum dc_dither_option option)
{
struct bit_depth_reduction_params params;
struct dc_link *link = stream->status.link;
struct pipe_ctx *pipes = NULL;
int i;
for (i = 0; i < MAX_PIPES; i++) {
if (link->dc->current_state->res_ctx.pipe_ctx[i].stream ==
stream) {
pipes = &link->dc->current_state->res_ctx.pipe_ctx[i];
break;
}
}
if (!pipes)
return;
if (option > DITHER_OPTION_MAX)
return;
stream->dither_option = option;
memset(¶ms, 0, sizeof(params));
resource_build_bit_depth_reduction_params(stream, ¶ms);
stream->bit_depth_params = params;
if (pipes->plane_res.xfm &&
pipes->plane_res.xfm->funcs->transform_set_pixel_storage_depth) {
pipes->plane_res.xfm->funcs->transform_set_pixel_storage_depth(
pipes->plane_res.xfm,
pipes->plane_res.scl_data.lb_params.depth,
&stream->bit_depth_params);
}
pipes->stream_res.opp->funcs->
opp_program_bit_depth_reduction(pipes->stream_res.opp, ¶ms);
}
void dc_stream_set_static_screen_events(struct dc *dc,
struct dc_stream_state **streams,
int num_streams,
const struct dc_static_screen_events *events)
{
int i = 0;
int j = 0;
struct pipe_ctx *pipes_affected[MAX_PIPES];
int num_pipes_affected = 0;
for (i = 0; i < num_streams; i++) {
struct dc_stream_state *stream = streams[i];
for (j = 0; j < MAX_PIPES; j++) {
if (dc->current_state->res_ctx.pipe_ctx[j].stream
== stream) {
pipes_affected[num_pipes_affected++] =
&dc->current_state->res_ctx.pipe_ctx[j];
}
}
}
dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, events);
}
static void destruct(struct dc *dc)
{
dc_release_state(dc->current_state);
dc->current_state = NULL;
destroy_links(dc);
dc_destroy_resource_pool(dc);
if (dc->ctx->gpio_service)
dal_gpio_service_destroy(&dc->ctx->gpio_service);
if (dc->ctx->i2caux)
dal_i2caux_destroy(&dc->ctx->i2caux);
if (dc->ctx->created_bios)
dal_bios_parser_destroy(&dc->ctx->dc_bios);
if (dc->ctx->logger)
dal_logger_destroy(&dc->ctx->logger);
kfree(dc->ctx);
dc->ctx = NULL;
kfree(dc->bw_vbios);
dc->bw_vbios = NULL;
kfree(dc->bw_dceip);
dc->bw_dceip = NULL;
#ifdef CONFIG_DRM_AMD_DC_DCN1_0
kfree(dc->dcn_soc);
dc->dcn_soc = NULL;
kfree(dc->dcn_ip);
dc->dcn_ip = NULL;
#endif
}
static bool construct(struct dc *dc,
const struct dc_init_data *init_params)
{
struct dal_logger *logger;
struct dc_context *dc_ctx;
struct bw_calcs_dceip *dc_dceip;
struct bw_calcs_vbios *dc_vbios;
#ifdef CONFIG_DRM_AMD_DC_DCN1_0
struct dcn_soc_bounding_box *dcn_soc;
struct dcn_ip_params *dcn_ip;
#endif
enum dce_version dc_version = DCE_VERSION_UNKNOWN;
dc_dceip = kzalloc(sizeof(*dc_dceip), GFP_KERNEL);
if (!dc_dceip) {
dm_error("%s: failed to create dceip\n", __func__);
goto fail;
}
dc->bw_dceip = dc_dceip;
dc_vbios = kzalloc(sizeof(*dc_vbios), GFP_KERNEL);
if (!dc_vbios) {
dm_error("%s: failed to create vbios\n", __func__);
goto fail;
}
dc->bw_vbios = dc_vbios;
#ifdef CONFIG_DRM_AMD_DC_DCN1_0
dcn_soc = kzalloc(sizeof(*dcn_soc), GFP_KERNEL);
if (!dcn_soc) {
dm_error("%s: failed to create dcn_soc\n", __func__);
goto fail;
}
dc->dcn_soc = dcn_soc;
dcn_ip = kzalloc(sizeof(*dcn_ip), GFP_KERNEL);
if (!dcn_ip) {
dm_error("%s: failed to create dcn_ip\n", __func__);
goto fail;
}
dc->dcn_ip = dcn_ip;
#endif
dc_ctx = kzalloc(sizeof(*dc_ctx), GFP_KERNEL);
if (!dc_ctx) {
dm_error("%s: failed to create ctx\n", __func__);
goto fail;
}
dc_ctx->cgs_device = init_params->cgs_device;
dc_ctx->driver_context = init_params->driver;
dc_ctx->dc = dc;
dc_ctx->asic_id = init_params->asic_id;
dc->ctx = dc_ctx;
dc->current_state = dc_create_state();
if (!dc->current_state) {
dm_error("%s: failed to create validate ctx\n", __func__);
goto fail;
}
/* Create logger */
logger = dal_logger_create(dc_ctx, init_params->log_mask);
if (!logger) {
/* can *not* call logger. call base driver 'print error' */
dm_error("%s: failed to create Logger!\n", __func__);
goto fail;
}
dc_ctx->logger = logger;
dc_ctx->dce_environment = init_params->dce_environment;
dc_version = resource_parse_asic_id(init_params->asic_id);
dc_ctx->dce_version = dc_version;
/* Resource should construct all asic specific resources.
* This should be the only place where we need to parse the asic id
*/
if (init_params->vbios_override)
dc_ctx->dc_bios = init_params->vbios_override;
else {
/* Create BIOS parser */
struct bp_init_data bp_init_data;
bp_init_data.ctx = dc_ctx;
bp_init_data.bios = init_params->asic_id.atombios_base_address;
dc_ctx->dc_bios = dal_bios_parser_create(
&bp_init_data, dc_version);
if (!dc_ctx->dc_bios) {
ASSERT_CRITICAL(false);
goto fail;
}
dc_ctx->created_bios = true;
}
/* Create I2C AUX */
dc_ctx->i2caux = dal_i2caux_create(dc_ctx);
if (!dc_ctx->i2caux) {
ASSERT_CRITICAL(false);
goto fail;
}
/* Create GPIO service */
dc_ctx->gpio_service = dal_gpio_service_create(
dc_version,
dc_ctx->dce_environment,
dc_ctx);
if (!dc_ctx->gpio_service) {
ASSERT_CRITICAL(false);
goto fail;
}
dc->res_pool = dc_create_resource_pool(
dc,
init_params->num_virtual_links,
dc_version,
init_params->asic_id);
if (!dc->res_pool)
goto fail;
dc_resource_state_construct(dc, dc->current_state);
if (!create_links(dc, init_params->num_virtual_links))
goto fail;
return true;
fail:
destruct(dc);
return false;
}
static void disable_dangling_plane(struct dc *dc, struct dc_state *context)
{
int i, j;
struct dc_state *dangling_context = dc_create_state();
struct dc_state *current_ctx;
if (dangling_context == NULL)
return;
dc_resource_state_copy_construct(dc->current_state, dangling_context);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct dc_stream_state *old_stream =
dc->current_state->res_ctx.pipe_ctx[i].stream;
bool should_disable = true;
for (j = 0; j < context->stream_count; j++) {
if (old_stream == context->streams[j]) {
should_disable = false;
break;
}
}
if (should_disable && old_stream) {
dc_rem_all_planes_for_stream(dc, old_stream, dangling_context);
dc->hwss.apply_ctx_for_surface(dc, old_stream, 0, dangling_context);
}
}
current_ctx = dc->current_state;
dc->current_state = dangling_context;
dc_release_state(current_ctx);
}
/*******************************************************************************
* Public functions
******************************************************************************/
struct dc *dc_create(const struct dc_init_data *init_params)
{
struct dc *dc = kzalloc(sizeof(*dc), GFP_KERNEL);
unsigned int full_pipe_count;
if (NULL == dc)
goto alloc_fail;
if (false == construct(dc, init_params))
goto construct_fail;
/*TODO: separate HW and SW initialization*/
dc->hwss.init_hw(dc);
full_pipe_count = dc->res_pool->pipe_count;
if (dc->res_pool->underlay_pipe_index != NO_UNDERLAY_PIPE)
full_pipe_count--;
dc->caps.max_streams = min(
full_pipe_count,
dc->res_pool->stream_enc_count);
dc->caps.max_links = dc->link_count;
dc->caps.max_audios = dc->res_pool->audio_count;
dc->caps.linear_pitch_alignment = 64;
/* Populate versioning information */
dc->versions.dc_ver = DC_VER;
if (dc->res_pool->dmcu != NULL)
dc->versions.dmcu_version = dc->res_pool->dmcu->dmcu_version;
dc->config = init_params->flags;
DC_LOG_DC("Display Core initialized\n");
/* TODO: missing feature to be enabled */
dc->debug.disable_dfs_bypass = true;
return dc;
construct_fail:
kfree(dc);
alloc_fail:
return NULL;
}
void dc_destroy(struct dc **dc)
{
destruct(*dc);
kfree(*dc);
*dc = NULL;
}
static void enable_timing_multisync(
struct dc *dc,
struct dc_state *ctx)
{
int i = 0, multisync_count = 0;
int pipe_count = dc->res_pool->pipe_count;
struct pipe_ctx *multisync_pipes[MAX_PIPES] = { NULL };
for (i = 0; i < pipe_count; i++) {
if (!ctx->res_ctx.pipe_ctx[i].stream ||
!ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.enabled)
continue;
if (ctx->res_ctx.pipe_ctx[i].stream == ctx->res_ctx.pipe_ctx[i].stream->triggered_crtc_reset.event_source)
continue;
multisync_pipes[multisync_count] = &ctx->res_ctx.pipe_ctx[i];
multisync_count++;
}
if (multisync_count > 0) {
dc->hwss.enable_per_frame_crtc_position_reset(
dc, multisync_count, multisync_pipes);
}
}
static void program_timing_sync(
struct dc *dc,
struct dc_state *ctx)
{
int i, j;
int group_index = 0;
int pipe_count = dc->res_pool->pipe_count;
struct pipe_ctx *unsynced_pipes[MAX_PIPES] = { NULL };
for (i = 0; i < pipe_count; i++) {
if (!ctx->res_ctx.pipe_ctx[i].stream || ctx->res_ctx.pipe_ctx[i].top_pipe)
continue;
unsynced_pipes[i] = &ctx->res_ctx.pipe_ctx[i];
}
for (i = 0; i < pipe_count; i++) {
int group_size = 1;
struct pipe_ctx *pipe_set[MAX_PIPES];
if (!unsynced_pipes[i])
continue;
pipe_set[0] = unsynced_pipes[i];
unsynced_pipes[i] = NULL;
/* Add tg to the set, search rest of the tg's for ones with
* same timing, add all tgs with same timing to the group
*/
for (j = i + 1; j < pipe_count; j++) {
if (!unsynced_pipes[j])
continue;
if (resource_are_streams_timing_synchronizable(
unsynced_pipes[j]->stream,
pipe_set[0]->stream)) {
pipe_set[group_size] = unsynced_pipes[j];
unsynced_pipes[j] = NULL;
group_size++;
}
}
/* set first unblanked pipe as master */
for (j = 0; j < group_size; j++) {
struct pipe_ctx *temp;
if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) {
if (j == 0)
break;
temp = pipe_set[0];
pipe_set[0] = pipe_set[j];
pipe_set[j] = temp;
break;
}
}
/* remove any other unblanked pipes as they have already been synced */
for (j = j + 1; j < group_size; j++) {
if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) {
group_size--;
pipe_set[j] = pipe_set[group_size];
j--;
}
}
if (group_size > 1) {
dc->hwss.enable_timing_synchronization(
dc, group_index, group_size, pipe_set);
group_index++;
}
}
}
static bool context_changed(
struct dc *dc,
struct dc_state *context)
{
uint8_t i;
if (context->stream_count != dc->current_state->stream_count)
return true;
for (i = 0; i < dc->current_state->stream_count; i++) {
if (dc->current_state->streams[i] != context->streams[i])
return true;
}
return false;
}
bool dc_enable_stereo(
struct dc *dc,
struct dc_state *context,
struct dc_stream_state *streams[],
uint8_t stream_count)
{
bool ret = true;
int i, j;
struct pipe_ctx *pipe;
for (i = 0; i < MAX_PIPES; i++) {
if (context != NULL)
pipe = &context->res_ctx.pipe_ctx[i];
else
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
for (j = 0 ; pipe && j < stream_count; j++) {
if (streams[j] && streams[j] == pipe->stream &&
dc->hwss.setup_stereo)
dc->hwss.setup_stereo(pipe, dc);
}
}
return ret;
}
/*
* Applies given context to HW and copy it into current context.
* It's up to the user to release the src context afterwards.
*/
static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *context)
{
struct dc_bios *dcb = dc->ctx->dc_bios;
enum dc_status result = DC_ERROR_UNEXPECTED;
struct pipe_ctx *pipe;
int i, k, l;
struct dc_stream_state *dc_streams[MAX_STREAMS] = {0};
disable_dangling_plane(dc, context);
for (i = 0; i < context->stream_count; i++)
dc_streams[i] = context->streams[i];
if (!dcb->funcs->is_accelerated_mode(dcb))
dc->hwss.enable_accelerated_mode(dc, context);
/* re-program planes for existing stream, in case we need to
* free up plane resource for later use
*/
for (i = 0; i < context->stream_count; i++) {
if (context->streams[i]->mode_changed)
continue;
dc->hwss.apply_ctx_for_surface(
dc, context->streams[i],
context->stream_status[i].plane_count,
context); /* use new pipe config in new context */
}
/* Program hardware */
dc->hwss.ready_shared_resources(dc, context);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
pipe = &context->res_ctx.pipe_ctx[i];
dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe);
}
result = dc->hwss.apply_ctx_to_hw(dc, context);
if (result != DC_OK)
return result;
if (context->stream_count > 1) {
enable_timing_multisync(dc, context);
program_timing_sync(dc, context);
}
/* Program all planes within new context*/
for (i = 0; i < context->stream_count; i++) {
const struct dc_sink *sink = context->streams[i]->sink;
if (!context->streams[i]->mode_changed)
continue;
dc->hwss.apply_ctx_for_surface(
dc, context->streams[i],
context->stream_status[i].plane_count,
context);
/*
* enable stereo
* TODO rework dc_enable_stereo call to work with validation sets?
*/
for (k = 0; k < MAX_PIPES; k++) {
pipe = &context->res_ctx.pipe_ctx[k];
for (l = 0 ; pipe && l < context->stream_count; l++) {
if (context->streams[l] &&
context->streams[l] == pipe->stream &&
dc->hwss.setup_stereo)
dc->hwss.setup_stereo(pipe, dc);
}
}
CONN_MSG_MODE(sink->link, "{%dx%d, %dx%d@%dKhz}",
context->streams[i]->timing.h_addressable,
context->streams[i]->timing.v_addressable,
context->streams[i]->timing.h_total,
context->streams[i]->timing.v_total,
context->streams[i]->timing.pix_clk_khz);
}
dc_enable_stereo(dc, context, dc_streams, context->stream_count);
dc_release_state(dc->current_state);
dc->current_state = context;
dc_retain_state(dc->current_state);
dc->hwss.optimize_shared_resources(dc);
return result;
}
bool dc_commit_state(struct dc *dc, struct dc_state *context)
{
enum dc_status result = DC_ERROR_UNEXPECTED;
int i;
if (false == context_changed(dc, context))
return DC_OK;
DC_LOG_DC("%s: %d streams\n",
__func__, context->stream_count);
for (i = 0; i < context->stream_count; i++) {
struct dc_stream_state *stream = context->streams[i];
dc_stream_log(stream,
dc->ctx->logger,
LOG_DC);
}
result = dc_commit_state_no_check(dc, context);
return (result == DC_OK);
}
bool dc_post_update_surfaces_to_stream(struct dc *dc)
{
int i;
struct dc_state *context = dc->current_state;
post_surface_trace(dc);
for (i = 0; i < dc->res_pool->pipe_count; i++)
if (context->res_ctx.pipe_ctx[i].stream == NULL ||
context->res_ctx.pipe_ctx[i].plane_state == NULL) {
context->res_ctx.pipe_ctx[i].pipe_idx = i;
dc->hwss.disable_plane(dc, &context->res_ctx.pipe_ctx[i]);
}
dc->optimized_required = false;
/* 3rd param should be true, temp w/a for RV*/
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
dc->hwss.set_bandwidth(dc, context, dc->ctx->dce_version < DCN_VERSION_1_0);
#else
dc->hwss.set_bandwidth(dc, context, true);
#endif
return true;
}
/*
* TODO this whole function needs to go
*
* dc_surface_update is needlessly complex. See if we can just replace this
* with a dc_plane_state and follow the atomic model a bit more closely here.
*/
bool dc_commit_planes_to_stream(
struct dc *dc,
struct dc_plane_state **plane_states,
uint8_t new_plane_count,
struct dc_stream_state *dc_stream,
struct dc_state *state)
{
/* no need to dynamically allocate this. it's pretty small */
struct dc_surface_update updates[MAX_SURFACES];
struct dc_flip_addrs *flip_addr;
struct dc_plane_info *plane_info;
struct dc_scaling_info *scaling_info;
int i;
struct dc_stream_update *stream_update =
kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL);
if (!stream_update) {
BREAK_TO_DEBUGGER();
return false;
}
flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs),
GFP_KERNEL);
plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info),
GFP_KERNEL);
scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info),
GFP_KERNEL);
if (!flip_addr || !plane_info || !scaling_info) {
kfree(flip_addr);
kfree(plane_info);
kfree(scaling_info);
kfree(stream_update);
return false;
}
memset(updates, 0, sizeof(updates));
stream_update->src = dc_stream->src;
stream_update->dst = dc_stream->dst;
stream_update->out_transfer_func = dc_stream->out_transfer_func;
for (i = 0; i < new_plane_count; i++) {
updates[i].surface = plane_states[i];
updates[i].gamma =
(struct dc_gamma *)plane_states[i]->gamma_correction;
updates[i].in_transfer_func = plane_states[i]->in_transfer_func;
flip_addr[i].address = plane_states[i]->address;
flip_addr[i].flip_immediate = plane_states[i]->flip_immediate;
plane_info[i].color_space = plane_states[i]->color_space;
plane_info[i].input_tf = plane_states[i]->input_tf;
plane_info[i].format = plane_states[i]->format;
plane_info[i].plane_size = plane_states[i]->plane_size;
plane_info[i].rotation = plane_states[i]->rotation;
plane_info[i].horizontal_mirror = plane_states[i]->horizontal_mirror;
plane_info[i].stereo_format = plane_states[i]->stereo_format;
plane_info[i].tiling_info = plane_states[i]->tiling_info;
plane_info[i].visible = plane_states[i]->visible;
plane_info[i].per_pixel_alpha = plane_states[i]->per_pixel_alpha;
plane_info[i].dcc = plane_states[i]->dcc;
scaling_info[i].scaling_quality = plane_states[i]->scaling_quality;
scaling_info[i].src_rect = plane_states[i]->src_rect;
scaling_info[i].dst_rect = plane_states[i]->dst_rect;
scaling_info[i].clip_rect = plane_states[i]->clip_rect;
updates[i].flip_addr = &flip_addr[i];
updates[i].plane_info = &plane_info[i];
updates[i].scaling_info = &scaling_info[i];
}
dc_commit_updates_for_stream(
dc,
updates,
new_plane_count,
dc_stream, stream_update, plane_states, state);
kfree(flip_addr);
kfree(plane_info);
kfree(scaling_info);
kfree(stream_update);
return true;
}
struct dc_state *dc_create_state(void)
{
struct dc_state *context = kzalloc(sizeof(struct dc_state),
GFP_KERNEL);
if (!context)
return NULL;
kref_init(&context->refcount);
return context;
}
void dc_retain_state(struct dc_state *context)
{
kref_get(&context->refcount);
}
static void dc_state_free(struct kref *kref)
{
struct dc_state *context = container_of(kref, struct dc_state, refcount);
dc_resource_state_destruct(context);
kfree(context);
}
void dc_release_state(struct dc_state *context)
{
kref_put(&context->refcount, dc_state_free);
}
static bool is_surface_in_context(
const struct dc_state *context,
const struct dc_plane_state *plane_state)
{
int j;
for (j = 0; j < MAX_PIPES; j++) {
const struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
if (plane_state == pipe_ctx->plane_state) {
return true;
}
}
return false;
}
static unsigned int pixel_format_to_bpp(enum surface_pixel_format format)
{
switch (format) {
case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
return 12;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
return 16;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
return 32;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
return 64;
default:
ASSERT_CRITICAL(false);
return -1;
}
}
static enum surface_update_type get_plane_info_update_type(const struct dc_surface_update *u)
{
union surface_update_flags *update_flags = &u->surface->update_flags;
if (!u->plane_info)
return UPDATE_TYPE_FAST;
if (u->plane_info->color_space != u->surface->color_space)
update_flags->bits.color_space_change = 1;
if (u->plane_info->input_tf != u->surface->input_tf)
update_flags->bits.input_tf_change = 1;
if (u->plane_info->sdr_white_level != u->surface->sdr_white_level)
update_flags->bits.output_tf_change = 1;
if (u->plane_info->horizontal_mirror != u->surface->horizontal_mirror)
update_flags->bits.horizontal_mirror_change = 1;
if (u->plane_info->rotation != u->surface->rotation)
update_flags->bits.rotation_change = 1;
if (u->plane_info->format != u->surface->format)
update_flags->bits.pixel_format_change = 1;
if (u->plane_info->stereo_format != u->surface->stereo_format)
update_flags->bits.stereo_format_change = 1;
if (u->plane_info->per_pixel_alpha != u->surface->per_pixel_alpha)
update_flags->bits.per_pixel_alpha_change = 1;
if (u->plane_info->dcc.enable != u->surface->dcc.enable
|| u->plane_info->dcc.grph.independent_64b_blks != u->surface->dcc.grph.independent_64b_blks
|| u->plane_info->dcc.grph.meta_pitch != u->surface->dcc.grph.meta_pitch)
update_flags->bits.dcc_change = 1;
if (pixel_format_to_bpp(u->plane_info->format) !=
pixel_format_to_bpp(u->surface->format))
/* different bytes per element will require full bandwidth
* and DML calculation
*/
update_flags->bits.bpp_change = 1;
if (u->gamma && dce_use_lut(u->plane_info->format))
update_flags->bits.gamma_change = 1;
if (memcmp(&u->plane_info->tiling_info, &u->surface->tiling_info,
sizeof(union dc_tiling_info)) != 0) {
update_flags->bits.swizzle_change = 1;
/* todo: below are HW dependent, we should add a hook to
* DCE/N resource and validated there.
*/
if (u->plane_info->tiling_info.gfx9.swizzle != DC_SW_LINEAR)
/* swizzled mode requires RQ to be setup properly,
* thus need to run DML to calculate RQ settings
*/
update_flags->bits.bandwidth_change = 1;
}
if (update_flags->bits.rotation_change
|| update_flags->bits.stereo_format_change
|| update_flags->bits.pixel_format_change
|| update_flags->bits.gamma_change
|| update_flags->bits.bpp_change
|| update_flags->bits.bandwidth_change
|| update_flags->bits.output_tf_change)
return UPDATE_TYPE_FULL;
return UPDATE_TYPE_MED;
}
static enum surface_update_type get_scaling_info_update_type(
const struct dc_surface_update *u)
{
union surface_update_flags *update_flags = &u->surface->update_flags;
if (!u->scaling_info)
return UPDATE_TYPE_FAST;
if (u->scaling_info->clip_rect.width != u->surface->clip_rect.width
|| u->scaling_info->clip_rect.height != u->surface->clip_rect.height
|| u->scaling_info->dst_rect.width != u->surface->dst_rect.width
|| u->scaling_info->dst_rect.height != u->surface->dst_rect.height) {
update_flags->bits.scaling_change = 1;
if ((u->scaling_info->dst_rect.width < u->surface->dst_rect.width
|| u->scaling_info->dst_rect.height < u->surface->dst_rect.height)
&& (u->scaling_info->dst_rect.width < u->surface->src_rect.width
|| u->scaling_info->dst_rect.height < u->surface->src_rect.height))
/* Making dst rect smaller requires a bandwidth change */
update_flags->bits.bandwidth_change = 1;
}
if (u->scaling_info->src_rect.width != u->surface->src_rect.width
|| u->scaling_info->src_rect.height != u->surface->src_rect.height) {
update_flags->bits.scaling_change = 1;
if (u->scaling_info->src_rect.width > u->surface->src_rect.width
&& u->scaling_info->src_rect.height > u->surface->src_rect.height)
/* Making src rect bigger requires a bandwidth change */
update_flags->bits.clock_change = 1;
}
if (u->scaling_info->src_rect.x != u->surface->src_rect.x
|| u->scaling_info->src_rect.y != u->surface->src_rect.y
|| u->scaling_info->clip_rect.x != u->surface->clip_rect.x
|| u->scaling_info->clip_rect.y != u->surface->clip_rect.y
|| u->scaling_info->dst_rect.x != u->surface->dst_rect.x
|| u->scaling_info->dst_rect.y != u->surface->dst_rect.y)
update_flags->bits.position_change = 1;
if (update_flags->bits.clock_change
|| update_flags->bits.bandwidth_change)
return UPDATE_TYPE_FULL;
if (update_flags->bits.scaling_change
|| update_flags->bits.position_change)
return UPDATE_TYPE_MED;
return UPDATE_TYPE_FAST;
}
static enum surface_update_type det_surface_update(const struct dc *dc,
const struct dc_surface_update *u)
{
const struct dc_state *context = dc->current_state;
enum surface_update_type type;
enum surface_update_type overall_type = UPDATE_TYPE_FAST;
union surface_update_flags *update_flags = &u->surface->update_flags;
update_flags->raw = 0; // Reset all flags
if (!is_surface_in_context(context, u->surface)) {
update_flags->bits.new_plane = 1;
return UPDATE_TYPE_FULL;
}
type = get_plane_info_update_type(u);
elevate_update_type(&overall_type, type);
type = get_scaling_info_update_type(u);
elevate_update_type(&overall_type, type);
if (u->in_transfer_func)
update_flags->bits.in_transfer_func_change = 1;
if (u->input_csc_color_matrix)
update_flags->bits.input_csc_change = 1;
if (update_flags->bits.in_transfer_func_change
|| update_flags->bits.input_csc_change) {
type = UPDATE_TYPE_MED;
elevate_update_type(&overall_type, type);
}
return overall_type;
}
static enum surface_update_type check_update_surfaces_for_stream(
struct dc *dc,
struct dc_surface_update *updates,
int surface_count,
struct dc_stream_update *stream_update,
const struct dc_stream_status *stream_status)
{
int i;
enum surface_update_type overall_type = UPDATE_TYPE_FAST;
if (stream_status == NULL || stream_status->plane_count != surface_count)
return UPDATE_TYPE_FULL;
if (stream_update)
return UPDATE_TYPE_FULL;
for (i = 0 ; i < surface_count; i++) {
enum surface_update_type type =
det_surface_update(dc, &updates[i]);
if (type == UPDATE_TYPE_FULL)
return type;
elevate_update_type(&overall_type, type);
}
return overall_type;
}
enum surface_update_type dc_check_update_surfaces_for_stream(
struct dc *dc,
struct dc_surface_update *updates,
int surface_count,
struct dc_stream_update *stream_update,
const struct dc_stream_status *stream_status)
{
int i;
enum surface_update_type type;
for (i = 0; i < surface_count; i++)
updates[i].surface->update_flags.raw = 0;
type = check_update_surfaces_for_stream(dc, updates, surface_count, stream_update, stream_status);
if (type == UPDATE_TYPE_FULL)
for (i = 0; i < surface_count; i++)
updates[i].surface->update_flags.bits.full_update = 1;
return type;
}
static struct dc_stream_status *stream_get_status(
struct dc_state *ctx,
struct dc_stream_state *stream)
{
uint8_t i;
for (i = 0; i < ctx->stream_count; i++) {
if (stream == ctx->streams[i]) {
return &ctx->stream_status[i];
}
}
return NULL;
}
static const enum surface_update_type update_surface_trace_level = UPDATE_TYPE_FULL;
static void commit_planes_for_stream(struct dc *dc,
struct dc_surface_update *srf_updates,
int surface_count,
struct dc_stream_state *stream,
struct dc_stream_update *stream_update,
enum surface_update_type update_type,
struct dc_state *context)
{
int i, j;
struct pipe_ctx *top_pipe_to_program = NULL;
if (update_type == UPDATE_TYPE_FULL) {
dc->hwss.set_bandwidth(dc, context, false);
context_clock_trace(dc, context);
}
if (surface_count == 0) {
/*
* In case of turning off screen, no need to program front end a second time.
* just return after program front end.
*/
dc->hwss.apply_ctx_for_surface(dc, stream, surface_count, context);
return;
}
/* Full fe update*/
for (j = 0; j < dc->res_pool->pipe_count; j++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
if (!pipe_ctx->top_pipe &&
pipe_ctx->stream &&
pipe_ctx->stream == stream) {
struct dc_stream_status *stream_status = NULL;
top_pipe_to_program = pipe_ctx;
if (update_type == UPDATE_TYPE_FAST || !pipe_ctx->plane_state)
continue;
stream_status =
stream_get_status(context, pipe_ctx->stream);
dc->hwss.apply_ctx_for_surface(
dc, pipe_ctx->stream, stream_status->plane_count, context);
if (stream_update->abm_level && pipe_ctx->stream_res.abm) {
if (pipe_ctx->stream_res.tg->funcs->is_blanked) {
// if otg funcs defined check if blanked before programming
if (!pipe_ctx->stream_res.tg->funcs->is_blanked(pipe_ctx->stream_res.tg))
pipe_ctx->stream_res.abm->funcs->set_abm_level(
pipe_ctx->stream_res.abm, stream->abm_level);
} else
pipe_ctx->stream_res.abm->funcs->set_abm_level(
pipe_ctx->stream_res.abm, stream->abm_level);
}
}
}
if (update_type == UPDATE_TYPE_FULL)
context_timing_trace(dc, &context->res_ctx);
/* Lock the top pipe while updating plane addrs, since freesync requires
* plane addr update event triggers to be synchronized.
* top_pipe_to_program is expected to never be NULL
*/
if (update_type == UPDATE_TYPE_FAST) {
dc->hwss.pipe_control_lock(dc, top_pipe_to_program, true);
/* Perform requested Updates */
for (i = 0; i < surface_count; i++) {
struct dc_plane_state *plane_state = srf_updates[i].surface;
for (j = 0; j < dc->res_pool->pipe_count; j++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
if (pipe_ctx->stream != stream)
continue;
if (pipe_ctx->plane_state != plane_state)
continue;
if (srf_updates[i].flip_addr)
dc->hwss.update_plane_addr(dc, pipe_ctx);
}
}
dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false);
}
if (stream && stream_update && update_type > UPDATE_TYPE_FAST)
for (j = 0; j < dc->res_pool->pipe_count; j++) {
struct pipe_ctx *pipe_ctx =
&context->res_ctx.pipe_ctx[j];
if (pipe_ctx->stream != stream)
continue;
if (stream_update->hdr_static_metadata) {
resource_build_info_frame(pipe_ctx);
dc->hwss.update_info_frame(pipe_ctx);
}
}
}
void dc_commit_updates_for_stream(struct dc *dc,
struct dc_surface_update *srf_updates,
int surface_count,
struct dc_stream_state *stream,
struct dc_stream_update *stream_update,
struct dc_plane_state **plane_states,
struct dc_state *state)
{
const struct dc_stream_status *stream_status;
enum surface_update_type update_type;
struct dc_state *context;
struct dc_context *dc_ctx = dc->ctx;
int i, j;
stream_status = dc_stream_get_status(stream);
context = dc->current_state;
update_type = dc_check_update_surfaces_for_stream(
dc, srf_updates, surface_count, stream_update, stream_status);
if (update_type >= update_surface_trace_level)
update_surface_trace(dc, srf_updates, surface_count);
if (update_type >= UPDATE_TYPE_FULL) {
/* initialize scratch memory for building context */
context = dc_create_state();
if (context == NULL) {
DC_ERROR("Failed to allocate new validate context!\n");
return;
}
dc_resource_state_copy_construct(state, context);
}
for (i = 0; i < surface_count; i++) {
struct dc_plane_state *surface = srf_updates[i].surface;
/* TODO: On flip we don't build the state, so it still has the
* old address. Which is why we are updating the address here
*/
if (srf_updates[i].flip_addr) {
surface->address = srf_updates[i].flip_addr->address;
surface->flip_immediate = srf_updates[i].flip_addr->flip_immediate;
}
if (update_type >= UPDATE_TYPE_MED) {
for (j = 0; j < dc->res_pool->pipe_count; j++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
if (pipe_ctx->plane_state != surface)
continue;
resource_build_scaling_params(pipe_ctx);
}
}
}
commit_planes_for_stream(
dc,
srf_updates,
surface_count,
stream,
stream_update,
update_type,
context);
/*update current_State*/
if (dc->current_state != context) {
struct dc_state *old = dc->current_state;
dc->current_state = context;
dc_release_state(old);
}
/*let's use current_state to update watermark etc*/
if (update_type >= UPDATE_TYPE_FULL)
dc_post_update_surfaces_to_stream(dc);
return;
}
uint8_t dc_get_current_stream_count(struct dc *dc)
{
return dc->current_state->stream_count;
}
struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i)
{
if (i < dc->current_state->stream_count)
return dc->current_state->streams[i];
return NULL;
}
enum dc_irq_source dc_interrupt_to_irq_source(
struct dc *dc,
uint32_t src_id,
uint32_t ext_id)
{
return dal_irq_service_to_irq_source(dc->res_pool->irqs, src_id, ext_id);
}
bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable)
{
if (dc == NULL)
return false;
return dal_irq_service_set(dc->res_pool->irqs, src, enable);
}
void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src)
{
dal_irq_service_ack(dc->res_pool->irqs, src);
}
void dc_set_power_state(
struct dc *dc,
enum dc_acpi_cm_power_state power_state)
{
struct kref refcount;
switch (power_state) {
case DC_ACPI_CM_POWER_STATE_D0:
dc_resource_state_construct(dc, dc->current_state);
dc->hwss.init_hw(dc);
break;
default:
dc->hwss.power_down(dc);
/* Zero out the current context so that on resume we start with
* clean state, and dc hw programming optimizations will not
* cause any trouble.
*/
/* Preserve refcount */
refcount = dc->current_state->refcount;
dc_resource_state_destruct(dc->current_state);
memset(dc->current_state, 0,
sizeof(*dc->current_state));
dc->current_state->refcount = refcount;
break;
}
}
void dc_resume(struct dc *dc)
{
uint32_t i;
for (i = 0; i < dc->link_count; i++)
core_link_resume(dc->links[i]);
}
bool dc_submit_i2c(
struct dc *dc,
uint32_t link_index,
struct i2c_command *cmd)
{
struct dc_link *link = dc->links[link_index];
struct ddc_service *ddc = link->ddc;
return dal_i2caux_submit_i2c_command(
ddc->ctx->i2caux,
ddc->ddc_pin,
cmd);
}
static bool link_add_remote_sink_helper(struct dc_link *dc_link, struct dc_sink *sink)
{
if (dc_link->sink_count >= MAX_SINKS_PER_LINK) {
BREAK_TO_DEBUGGER();
return false;
}
dc_sink_retain(sink);
dc_link->remote_sinks[dc_link->sink_count] = sink;
dc_link->sink_count++;
return true;
}
struct dc_sink *dc_link_add_remote_sink(
struct dc_link *link,
const uint8_t *edid,
int len,
struct dc_sink_init_data *init_data)
{
struct dc_sink *dc_sink;
enum dc_edid_status edid_status;
if (len > MAX_EDID_BUFFER_SIZE) {
dm_error("Max EDID buffer size breached!\n");
return NULL;
}
if (!init_data) {
BREAK_TO_DEBUGGER();
return NULL;
}
if (!init_data->link) {
BREAK_TO_DEBUGGER();
return NULL;
}
dc_sink = dc_sink_create(init_data);
if (!dc_sink)
return NULL;
memmove(dc_sink->dc_edid.raw_edid, edid, len);
dc_sink->dc_edid.length = len;
if (!link_add_remote_sink_helper(
link,
dc_sink))
goto fail_add_sink;
edid_status = dm_helpers_parse_edid_caps(
link->ctx,
&dc_sink->dc_edid,
&dc_sink->edid_caps);
/*
* Treat device as no EDID device if EDID
* parsing fails
*/
if (edid_status != EDID_OK) {
dc_sink->dc_edid.length = 0;
dm_error("Bad EDID, status%d!\n", edid_status);
}
return dc_sink;
fail_add_sink:
dc_sink_release(dc_sink);
return NULL;
}
void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink)
{
int i;
if (!link->sink_count) {
BREAK_TO_DEBUGGER();
return;
}
for (i = 0; i < link->sink_count; i++) {
if (link->remote_sinks[i] == sink) {
dc_sink_release(sink);
link->remote_sinks[i] = NULL;
/* shrink array to remove empty place */
while (i < link->sink_count - 1) {
link->remote_sinks[i] = link->remote_sinks[i+1];
i++;
}
link->remote_sinks[i] = NULL;
link->sink_count--;
return;
}
}
}
|