This repository was archived by the owner on Dec 8, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathci_dpm.c
5341 lines (4502 loc) · 158 KB
/
ci_dpm.c
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
/*
* Copyright 2013 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.
*
*/
#include <linux/firmware.h>
#include "drmP.h"
#include "radeon.h"
#include "radeon_ucode.h"
#include "cikd.h"
#include "r600_dpm.h"
#include "ci_dpm.h"
#include "atom.h"
#include <linux/seq_file.h>
#define MC_CG_ARB_FREQ_F0 0x0a
#define MC_CG_ARB_FREQ_F1 0x0b
#define MC_CG_ARB_FREQ_F2 0x0c
#define MC_CG_ARB_FREQ_F3 0x0d
#define SMC_RAM_END 0x40000
#define VOLTAGE_SCALE 4
#define VOLTAGE_VID_OFFSET_SCALE1 625
#define VOLTAGE_VID_OFFSET_SCALE2 100
static const struct ci_pt_defaults defaults_hawaii_xt =
{
1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0xB0000,
{ 0x84, 0x0, 0x0, 0x7F, 0x0, 0x0, 0x5A, 0x60, 0x51, 0x8E, 0x79, 0x6B, 0x5F, 0x90, 0x79 },
{ 0x1EA, 0x1EA, 0x1EA, 0x224, 0x224, 0x224, 0x24F, 0x24F, 0x24F, 0x28E, 0x28E, 0x28E, 0x2BC, 0x2BC, 0x2BC }
};
static const struct ci_pt_defaults defaults_hawaii_pro =
{
1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0x65062,
{ 0x93, 0x0, 0x0, 0x97, 0x0, 0x0, 0x6B, 0x60, 0x51, 0x95, 0x79, 0x6B, 0x5F, 0x90, 0x79 },
{ 0x1EA, 0x1EA, 0x1EA, 0x224, 0x224, 0x224, 0x24F, 0x24F, 0x24F, 0x28E, 0x28E, 0x28E, 0x2BC, 0x2BC, 0x2BC }
};
static const struct ci_pt_defaults defaults_bonaire_xt =
{
1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000,
{ 0x79, 0x253, 0x25D, 0xAE, 0x72, 0x80, 0x83, 0x86, 0x6F, 0xC8, 0xC9, 0xC9, 0x2F, 0x4D, 0x61 },
{ 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
};
static const struct ci_pt_defaults defaults_bonaire_pro =
{
1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x65062,
{ 0x8C, 0x23F, 0x244, 0xA6, 0x83, 0x85, 0x86, 0x86, 0x83, 0xDB, 0xDB, 0xDA, 0x67, 0x60, 0x5F },
{ 0x187, 0x193, 0x193, 0x1C7, 0x1D1, 0x1D1, 0x210, 0x219, 0x219, 0x266, 0x26C, 0x26C, 0x2C9, 0x2CB, 0x2CB }
};
static const struct ci_pt_defaults defaults_saturn_xt =
{
1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x70000,
{ 0x8C, 0x247, 0x249, 0xA6, 0x80, 0x81, 0x8B, 0x89, 0x86, 0xC9, 0xCA, 0xC9, 0x4D, 0x4D, 0x4D },
{ 0x187, 0x187, 0x187, 0x1C7, 0x1C7, 0x1C7, 0x210, 0x210, 0x210, 0x266, 0x266, 0x266, 0x2C9, 0x2C9, 0x2C9 }
};
static const struct ci_pt_defaults defaults_saturn_pro =
{
1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x30000,
{ 0x96, 0x21D, 0x23B, 0xA1, 0x85, 0x87, 0x83, 0x84, 0x81, 0xE6, 0xE6, 0xE6, 0x71, 0x6A, 0x6A },
{ 0x193, 0x19E, 0x19E, 0x1D2, 0x1DC, 0x1DC, 0x21A, 0x223, 0x223, 0x26E, 0x27E, 0x274, 0x2CF, 0x2D2, 0x2D2 }
};
static const struct ci_pt_config_reg didt_config_ci[] =
{
{ 0x10, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x10, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x10, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x10, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x11, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x11, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x11, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x11, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x12, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x12, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x12, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x12, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x2, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x2, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x2, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x1, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x1, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x0, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x30, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x30, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x30, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x30, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x31, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x31, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x31, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x31, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x32, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x32, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x32, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x32, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x22, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x22, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x22, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x21, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x21, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x20, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x50, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x50, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x50, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x50, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x51, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x51, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x51, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x51, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x52, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x52, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x52, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x52, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x42, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x42, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x42, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x41, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x41, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x40, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x70, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x70, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x70, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x70, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x71, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x71, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x71, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x71, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x72, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x72, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x72, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x72, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x62, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x62, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x62, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x61, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x61, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND },
{ 0x60, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
{ 0xFFFFFFFF }
};
extern u8 rv770_get_memory_module_index(struct radeon_device *rdev);
extern void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
u32 *max_clock);
extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
u32 arb_freq_src, u32 arb_freq_dest);
extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
extern u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode);
extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
u32 max_voltage_steps,
struct atom_voltage_table *voltage_table);
extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
extern int ci_mc_load_microcode(struct radeon_device *rdev);
extern void cik_update_cg(struct radeon_device *rdev,
u32 block, bool enable);
static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev,
struct atom_voltage_table_entry *voltage_table,
u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd);
static int ci_set_power_limit(struct radeon_device *rdev, u32 n);
static int ci_set_overdrive_target_tdp(struct radeon_device *rdev,
u32 target_tdp);
static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate);
static struct ci_power_info *ci_get_pi(struct radeon_device *rdev)
{
struct ci_power_info *pi = rdev->pm.dpm.priv;
return pi;
}
static struct ci_ps *ci_get_ps(struct radeon_ps *rps)
{
struct ci_ps *ps = rps->ps_priv;
return ps;
}
static void ci_initialize_powertune_defaults(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
switch (rdev->pdev->device) {
case 0x6649:
case 0x6650:
case 0x6651:
case 0x6658:
case 0x665C:
case 0x665D:
default:
pi->powertune_defaults = &defaults_bonaire_xt;
break;
case 0x6640:
case 0x6641:
case 0x6646:
case 0x6647:
pi->powertune_defaults = &defaults_saturn_xt;
break;
case 0x67B8:
case 0x67B0:
pi->powertune_defaults = &defaults_hawaii_xt;
break;
case 0x67BA:
case 0x67B1:
pi->powertune_defaults = &defaults_hawaii_pro;
break;
case 0x67A0:
case 0x67A1:
case 0x67A2:
case 0x67A8:
case 0x67A9:
case 0x67AA:
case 0x67B9:
case 0x67BE:
pi->powertune_defaults = &defaults_bonaire_xt;
break;
}
pi->dte_tj_offset = 0;
pi->caps_power_containment = true;
pi->caps_cac = false;
pi->caps_sq_ramping = false;
pi->caps_db_ramping = false;
pi->caps_td_ramping = false;
pi->caps_tcp_ramping = false;
if (pi->caps_power_containment) {
pi->caps_cac = true;
pi->enable_bapm_feature = true;
pi->enable_tdc_limit_feature = true;
pi->enable_pkg_pwr_tracking_feature = true;
}
}
static u8 ci_convert_to_vid(u16 vddc)
{
return (6200 - (vddc * VOLTAGE_SCALE)) / 25;
}
static int ci_populate_bapm_vddc_vid_sidd(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
u8 *hi2_vid = pi->smc_powertune_table.BapmVddCVidHiSidd2;
u32 i;
if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries == NULL)
return -EINVAL;
if (rdev->pm.dpm.dyn_state.cac_leakage_table.count > 8)
return -EINVAL;
if (rdev->pm.dpm.dyn_state.cac_leakage_table.count !=
rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count)
return -EINVAL;
for (i = 0; i < rdev->pm.dpm.dyn_state.cac_leakage_table.count; i++) {
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1);
hi_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2);
hi2_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3);
} else {
lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc);
hi_vid[i] = ci_convert_to_vid((u16)rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage);
}
}
return 0;
}
static int ci_populate_vddc_vid(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u8 *vid = pi->smc_powertune_table.VddCVid;
u32 i;
if (pi->vddc_voltage_table.count > 8)
return -EINVAL;
for (i = 0; i < pi->vddc_voltage_table.count; i++)
vid[i] = ci_convert_to_vid(pi->vddc_voltage_table.entries[i].value);
return 0;
}
static int ci_populate_svi_load_line(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
pi->smc_powertune_table.SviLoadLineEn = pt_defaults->svi_load_line_en;
pi->smc_powertune_table.SviLoadLineVddC = pt_defaults->svi_load_line_vddc;
pi->smc_powertune_table.SviLoadLineTrimVddC = 3;
pi->smc_powertune_table.SviLoadLineOffsetVddC = 0;
return 0;
}
static int ci_populate_tdc_limit(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
u16 tdc_limit;
tdc_limit = rdev->pm.dpm.dyn_state.cac_tdp_table->tdc * 256;
pi->smc_powertune_table.TDC_VDDC_PkgLimit = cpu_to_be16(tdc_limit);
pi->smc_powertune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
pt_defaults->tdc_vddc_throttle_release_limit_perc;
pi->smc_powertune_table.TDC_MAWt = pt_defaults->tdc_mawt;
return 0;
}
static int ci_populate_dw8(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
int ret;
ret = ci_read_smc_sram_dword(rdev,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU7_Firmware_Header, PmFuseTable) +
offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl),
(u32 *)&pi->smc_powertune_table.TdcWaterfallCtl,
pi->sram_end);
if (ret)
return -EINVAL;
else
pi->smc_powertune_table.TdcWaterfallCtl = pt_defaults->tdc_waterfall_ctl;
return 0;
}
static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd;
u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd;
int i, min, max;
min = max = hi_vid[0];
for (i = 0; i < 8; i++) {
if (0 != hi_vid[i]) {
if (min > hi_vid[i])
min = hi_vid[i];
if (max < hi_vid[i])
max = hi_vid[i];
}
if (0 != lo_vid[i]) {
if (min > lo_vid[i])
min = lo_vid[i];
if (max < lo_vid[i])
max = lo_vid[i];
}
}
if ((min == 0) || (max == 0))
return -EINVAL;
pi->smc_powertune_table.GnbLPMLMaxVid = (u8)max;
pi->smc_powertune_table.GnbLPMLMinVid = (u8)min;
return 0;
}
static int ci_populate_bapm_vddc_base_leakage_sidd(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u16 hi_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd;
u16 lo_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd;
struct radeon_cac_tdp_table *cac_tdp_table =
rdev->pm.dpm.dyn_state.cac_tdp_table;
hi_sidd = cac_tdp_table->high_cac_leakage / 100 * 256;
lo_sidd = cac_tdp_table->low_cac_leakage / 100 * 256;
pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd = cpu_to_be16(hi_sidd);
pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd = cpu_to_be16(lo_sidd);
return 0;
}
static int ci_populate_bapm_parameters_in_dpm_table(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults;
SMU7_Discrete_DpmTable *dpm_table = &pi->smc_state_table;
struct radeon_cac_tdp_table *cac_tdp_table =
rdev->pm.dpm.dyn_state.cac_tdp_table;
struct radeon_ppm_table *ppm = rdev->pm.dpm.dyn_state.ppm_table;
int i, j, k;
const u16 *def1;
const u16 *def2;
dpm_table->DefaultTdp = cac_tdp_table->tdp * 256;
dpm_table->TargetTdp = cac_tdp_table->configurable_tdp * 256;
dpm_table->DTETjOffset = (u8)pi->dte_tj_offset;
dpm_table->GpuTjMax =
(u8)(pi->thermal_temp_setting.temperature_high / 1000);
dpm_table->GpuTjHyst = 8;
dpm_table->DTEAmbientTempBase = pt_defaults->dte_ambient_temp_base;
if (ppm) {
dpm_table->PPM_PkgPwrLimit = cpu_to_be16((u16)ppm->dgpu_tdp * 256 / 1000);
dpm_table->PPM_TemperatureLimit = cpu_to_be16((u16)ppm->tj_max * 256);
} else {
dpm_table->PPM_PkgPwrLimit = cpu_to_be16(0);
dpm_table->PPM_TemperatureLimit = cpu_to_be16(0);
}
dpm_table->BAPM_TEMP_GRADIENT = cpu_to_be32(pt_defaults->bapm_temp_gradient);
def1 = pt_defaults->bapmti_r;
def2 = pt_defaults->bapmti_rc;
for (i = 0; i < SMU7_DTE_ITERATIONS; i++) {
for (j = 0; j < SMU7_DTE_SOURCES; j++) {
for (k = 0; k < SMU7_DTE_SINKS; k++) {
dpm_table->BAPMTI_R[i][j][k] = cpu_to_be16(*def1);
dpm_table->BAPMTI_RC[i][j][k] = cpu_to_be16(*def2);
def1++;
def2++;
}
}
}
return 0;
}
static int ci_populate_pm_base(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u32 pm_fuse_table_offset;
int ret;
if (pi->caps_power_containment) {
ret = ci_read_smc_sram_dword(rdev,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU7_Firmware_Header, PmFuseTable),
&pm_fuse_table_offset, pi->sram_end);
if (ret)
return ret;
ret = ci_populate_bapm_vddc_vid_sidd(rdev);
if (ret)
return ret;
ret = ci_populate_vddc_vid(rdev);
if (ret)
return ret;
ret = ci_populate_svi_load_line(rdev);
if (ret)
return ret;
ret = ci_populate_tdc_limit(rdev);
if (ret)
return ret;
ret = ci_populate_dw8(rdev);
if (ret)
return ret;
ret = ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(rdev);
if (ret)
return ret;
ret = ci_populate_bapm_vddc_base_leakage_sidd(rdev);
if (ret)
return ret;
ret = ci_copy_bytes_to_smc(rdev, pm_fuse_table_offset,
(u8 *)&pi->smc_powertune_table,
sizeof(SMU7_Discrete_PmFuses), pi->sram_end);
if (ret)
return ret;
}
return 0;
}
static void ci_do_enable_didt(struct radeon_device *rdev, const bool enable)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u32 data;
if (pi->caps_sq_ramping) {
data = RREG32_DIDT(DIDT_SQ_CTRL0);
if (enable)
data |= DIDT_CTRL_EN;
else
data &= ~DIDT_CTRL_EN;
WREG32_DIDT(DIDT_SQ_CTRL0, data);
}
if (pi->caps_db_ramping) {
data = RREG32_DIDT(DIDT_DB_CTRL0);
if (enable)
data |= DIDT_CTRL_EN;
else
data &= ~DIDT_CTRL_EN;
WREG32_DIDT(DIDT_DB_CTRL0, data);
}
if (pi->caps_td_ramping) {
data = RREG32_DIDT(DIDT_TD_CTRL0);
if (enable)
data |= DIDT_CTRL_EN;
else
data &= ~DIDT_CTRL_EN;
WREG32_DIDT(DIDT_TD_CTRL0, data);
}
if (pi->caps_tcp_ramping) {
data = RREG32_DIDT(DIDT_TCP_CTRL0);
if (enable)
data |= DIDT_CTRL_EN;
else
data &= ~DIDT_CTRL_EN;
WREG32_DIDT(DIDT_TCP_CTRL0, data);
}
}
static int ci_program_pt_config_registers(struct radeon_device *rdev,
const struct ci_pt_config_reg *cac_config_regs)
{
const struct ci_pt_config_reg *config_regs = cac_config_regs;
u32 data;
u32 cache = 0;
if (config_regs == NULL)
return -EINVAL;
while (config_regs->offset != 0xFFFFFFFF) {
if (config_regs->type == CISLANDS_CONFIGREG_CACHE) {
cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
} else {
switch (config_regs->type) {
case CISLANDS_CONFIGREG_SMC_IND:
data = RREG32_SMC(config_regs->offset);
break;
case CISLANDS_CONFIGREG_DIDT_IND:
data = RREG32_DIDT(config_regs->offset);
break;
default:
data = RREG32(config_regs->offset << 2);
break;
}
data &= ~config_regs->mask;
data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
data |= cache;
switch (config_regs->type) {
case CISLANDS_CONFIGREG_SMC_IND:
WREG32_SMC(config_regs->offset, data);
break;
case CISLANDS_CONFIGREG_DIDT_IND:
WREG32_DIDT(config_regs->offset, data);
break;
default:
WREG32(config_regs->offset << 2, data);
break;
}
cache = 0;
}
config_regs++;
}
return 0;
}
static int ci_enable_didt(struct radeon_device *rdev, bool enable)
{
struct ci_power_info *pi = ci_get_pi(rdev);
int ret;
if (pi->caps_sq_ramping || pi->caps_db_ramping ||
pi->caps_td_ramping || pi->caps_tcp_ramping) {
cik_enter_rlc_safe_mode(rdev);
if (enable) {
ret = ci_program_pt_config_registers(rdev, didt_config_ci);
if (ret) {
cik_exit_rlc_safe_mode(rdev);
return ret;
}
}
ci_do_enable_didt(rdev, enable);
cik_exit_rlc_safe_mode(rdev);
}
return 0;
}
static int ci_enable_power_containment(struct radeon_device *rdev, bool enable)
{
struct ci_power_info *pi = ci_get_pi(rdev);
PPSMC_Result smc_result;
int ret = 0;
if (enable) {
pi->power_containment_features = 0;
if (pi->caps_power_containment) {
if (pi->enable_bapm_feature) {
smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableDTE);
if (smc_result != PPSMC_Result_OK)
ret = -EINVAL;
else
pi->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM;
}
if (pi->enable_tdc_limit_feature) {
smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitEnable);
if (smc_result != PPSMC_Result_OK)
ret = -EINVAL;
else
pi->power_containment_features |= POWERCONTAINMENT_FEATURE_TDCLimit;
}
if (pi->enable_pkg_pwr_tracking_feature) {
smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitEnable);
if (smc_result != PPSMC_Result_OK) {
ret = -EINVAL;
} else {
struct radeon_cac_tdp_table *cac_tdp_table =
rdev->pm.dpm.dyn_state.cac_tdp_table;
u32 default_pwr_limit =
(u32)(cac_tdp_table->maximum_power_delivery_limit * 256);
pi->power_containment_features |= POWERCONTAINMENT_FEATURE_PkgPwrLimit;
ci_set_power_limit(rdev, default_pwr_limit);
}
}
}
} else {
if (pi->caps_power_containment && pi->power_containment_features) {
if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_TDCLimit)
ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitDisable);
if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM)
ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableDTE);
if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit)
ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitDisable);
pi->power_containment_features = 0;
}
}
return ret;
}
static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable)
{
struct ci_power_info *pi = ci_get_pi(rdev);
PPSMC_Result smc_result;
int ret = 0;
if (pi->caps_cac) {
if (enable) {
smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac);
if (smc_result != PPSMC_Result_OK) {
ret = -EINVAL;
pi->cac_enabled = false;
} else {
pi->cac_enabled = true;
}
} else if (pi->cac_enabled) {
ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac);
pi->cac_enabled = false;
}
}
return ret;
}
static int ci_power_control_set_level(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
struct radeon_cac_tdp_table *cac_tdp_table =
rdev->pm.dpm.dyn_state.cac_tdp_table;
s32 adjust_percent;
s32 target_tdp;
int ret = 0;
bool adjust_polarity = false; /* ??? */
if (pi->caps_power_containment &&
(pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM)) {
adjust_percent = adjust_polarity ?
rdev->pm.dpm.tdp_adjustment : (-1 * rdev->pm.dpm.tdp_adjustment);
target_tdp = ((100 + adjust_percent) *
(s32)cac_tdp_table->configurable_tdp) / 100;
target_tdp *= 256;
ret = ci_set_overdrive_target_tdp(rdev, (u32)target_tdp);
}
return ret;
}
void ci_dpm_powergate_uvd(struct radeon_device *rdev, bool gate)
{
struct ci_power_info *pi = ci_get_pi(rdev);
if (pi->uvd_power_gated == gate)
return;
pi->uvd_power_gated = gate;
ci_update_uvd_dpm(rdev, gate);
}
bool ci_dpm_vblank_too_short(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u32 vblank_time = r600_dpm_get_vblank_time(rdev);
u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
if (vblank_time < switch_limit)
return true;
else
return false;
}
static void ci_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *rps)
{
struct ci_ps *ps = ci_get_ps(rps);
struct ci_power_info *pi = ci_get_pi(rdev);
struct radeon_clock_and_voltage_limits *max_limits;
bool disable_mclk_switching;
u32 sclk, mclk;
u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
int i;
if (rps->vce_active) {
rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk;
} else {
rps->evclk = 0;
rps->ecclk = 0;
}
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
ci_dpm_vblank_too_short(rdev))
disable_mclk_switching = true;
else
disable_mclk_switching = false;
if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
pi->battery_state = true;
else
pi->battery_state = false;
if (rdev->pm.dpm.ac_power)
max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
else
max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
if (rdev->pm.dpm.ac_power == false) {
for (i = 0; i < ps->performance_level_count; i++) {
if (ps->performance_levels[i].mclk > max_limits->mclk)
ps->performance_levels[i].mclk = max_limits->mclk;
if (ps->performance_levels[i].sclk > max_limits->sclk)
ps->performance_levels[i].sclk = max_limits->sclk;
}
}
/* limit clocks to max supported clocks based on voltage dependency tables */
btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
&max_sclk_vddc);
btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
&max_mclk_vddci);
btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
&max_mclk_vddc);
for (i = 0; i < ps->performance_level_count; i++) {
if (max_sclk_vddc) {
if (ps->performance_levels[i].sclk > max_sclk_vddc)
ps->performance_levels[i].sclk = max_sclk_vddc;
}
if (max_mclk_vddci) {
if (ps->performance_levels[i].mclk > max_mclk_vddci)
ps->performance_levels[i].mclk = max_mclk_vddci;
}
if (max_mclk_vddc) {
if (ps->performance_levels[i].mclk > max_mclk_vddc)
ps->performance_levels[i].mclk = max_mclk_vddc;
}
}
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
mclk = ps->performance_levels[ps->performance_level_count - 1].mclk;
sclk = ps->performance_levels[0].sclk;
} else {
mclk = ps->performance_levels[0].mclk;
sclk = ps->performance_levels[0].sclk;
}
if (rps->vce_active) {
if (sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk)
sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk;
if (mclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk)
mclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk;
}
ps->performance_levels[0].sclk = sclk;
ps->performance_levels[0].mclk = mclk;
if (ps->performance_levels[1].sclk < ps->performance_levels[0].sclk)
ps->performance_levels[1].sclk = ps->performance_levels[0].sclk;
if (disable_mclk_switching) {
if (ps->performance_levels[0].mclk < ps->performance_levels[1].mclk)
ps->performance_levels[0].mclk = ps->performance_levels[1].mclk;
} else {
if (ps->performance_levels[1].mclk < ps->performance_levels[0].mclk)
ps->performance_levels[1].mclk = ps->performance_levels[0].mclk;
}
}
static int ci_set_thermal_temperature_range(struct radeon_device *rdev,
int min_temp, int max_temp)
{
int low_temp = 0 * 1000;
int high_temp = 255 * 1000;
u32 tmp;
if (low_temp < min_temp)
low_temp = min_temp;
if (high_temp > max_temp)
high_temp = max_temp;
if (high_temp < low_temp) {
DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
return -EINVAL;
}
tmp = RREG32_SMC(CG_THERMAL_INT);
tmp &= ~(CI_DIG_THERM_INTH_MASK | CI_DIG_THERM_INTL_MASK);
tmp |= CI_DIG_THERM_INTH(high_temp / 1000) |
CI_DIG_THERM_INTL(low_temp / 1000);
WREG32_SMC(CG_THERMAL_INT, tmp);
#if 0
/* XXX: need to figure out how to handle this properly */
tmp = RREG32_SMC(CG_THERMAL_CTRL);
tmp &= DIG_THERM_DPM_MASK;
tmp |= DIG_THERM_DPM(high_temp / 1000);
WREG32_SMC(CG_THERMAL_CTRL, tmp);
#endif
rdev->pm.dpm.thermal.min_temp = low_temp;
rdev->pm.dpm.thermal.max_temp = high_temp;
return 0;
}
#if 0
static int ci_read_smc_soft_register(struct radeon_device *rdev,
u16 reg_offset, u32 *value)
{
struct ci_power_info *pi = ci_get_pi(rdev);
return ci_read_smc_sram_dword(rdev,
pi->soft_regs_start + reg_offset,
value, pi->sram_end);
}
#endif
static int ci_write_smc_soft_register(struct radeon_device *rdev,
u16 reg_offset, u32 value)
{
struct ci_power_info *pi = ci_get_pi(rdev);
return ci_write_smc_sram_dword(rdev,
pi->soft_regs_start + reg_offset,
value, pi->sram_end);
}
static void ci_init_fps_limits(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
SMU7_Discrete_DpmTable *table = &pi->smc_state_table;
if (pi->caps_fps) {
u16 tmp;
tmp = 45;
table->FpsHighT = cpu_to_be16(tmp);
tmp = 30;
table->FpsLowT = cpu_to_be16(tmp);
}
}
static int ci_update_sclk_t(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
int ret = 0;
u32 low_sclk_interrupt_t = 0;
if (pi->caps_sclk_throttle_low_notification) {
low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);
ret = ci_copy_bytes_to_smc(rdev,
pi->dpm_table_start +
offsetof(SMU7_Discrete_DpmTable, LowSclkInterruptT),
(u8 *)&low_sclk_interrupt_t,
sizeof(u32), pi->sram_end);
}
return ret;
}
static void ci_get_leakage_voltages(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
u16 leakage_id, virtual_voltage_id;
u16 vddc, vddci;
int i;
pi->vddc_leakage.count = 0;
pi->vddci_leakage.count = 0;
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
if (radeon_atom_get_voltage_evv(rdev, virtual_voltage_id, &vddc) != 0)
continue;
if (vddc != 0 && vddc != virtual_voltage_id) {
pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
pi->vddc_leakage.count++;
}
}
} else if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) {
for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
if (radeon_atom_get_leakage_vddc_based_on_leakage_params(rdev, &vddc, &vddci,
virtual_voltage_id,
leakage_id) == 0) {
if (vddc != 0 && vddc != virtual_voltage_id) {
pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
pi->vddc_leakage.count++;
}
if (vddci != 0 && vddci != virtual_voltage_id) {
pi->vddci_leakage.actual_voltage[pi->vddci_leakage.count] = vddci;
pi->vddci_leakage.leakage_id[pi->vddci_leakage.count] = virtual_voltage_id;
pi->vddci_leakage.count++;
}
}
}
}
}
static void ci_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
{
struct ci_power_info *pi = ci_get_pi(rdev);
bool want_thermal_protection;
enum radeon_dpm_event_src dpm_event_src;
u32 tmp;
switch (sources) {
case 0:
default:
want_thermal_protection = false;
break;
case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
want_thermal_protection = true;
dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
break;
case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
want_thermal_protection = true;
dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
break;
case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
(1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
want_thermal_protection = true;