summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
blob: cc983f66215759c435150d8b5a940b4ee5b05eb5 (plain)
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
/* Copyright 2018 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 "power_helpers.h"
#include "dc/inc/hw/dmcu.h"
#include "dc/inc/hw/abm.h"
#include "dc.h"
#include "core_types.h"
#include "dmub_cmd.h"

#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
#define bswap16_based_on_endian(big_endian, value) \
	(big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)

/* Possible Min Reduction config from least aggressive to most aggressive
 *  0    1     2     3     4     5     6     7     8     9     10    11   12
 * 100  98.0 94.1  94.1  85.1  80.3  75.3  69.4  60.0  57.6  50.2  49.8  40.0 %
 */
static const unsigned char min_reduction_table[13] = {
0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66};

/* Possible Max Reduction configs from least aggressive to most aggressive
 *  0    1     2     3     4     5     6     7     8     9     10    11   12
 * 96.1 89.8 85.1  80.3  69.4  64.7  64.7  50.2  39.6  30.2  30.2  30.2  19.6 %
 */
static const unsigned char max_reduction_table[13] = {
0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32};

/* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive
 *  0    1     2     3     4     5     6     7     8     9     10    11   12
 * 100  100   100   100   100   100   100   100  100  92.2  83.1  75.3  75.3 %
 */
static const unsigned char min_reduction_table_v_2_2[13] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0};

/* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive
 *  0    1     2     3     4     5     6     7     8     9     10    11   12
 * 96.1 89.8 74.9  69.4  64.7  52.2  48.6  39.6  30.2  25.1  19.6  12.5  12.5 %
 */
static const unsigned char max_reduction_table_v_2_2[13] = {
0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20};

/* Predefined ABM configuration sets. We may have different configuration sets
 * in order to satisfy different power/quality requirements.
 */
static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = {
/*  ABM Level 1,    ABM Level 2,    ABM Level 3,    ABM Level 4 */
{       2,              5,              7,              8       },	/* Default - Medium aggressiveness */
{       2,              5,              8,              11      },	/* Alt #1  - Increased aggressiveness */
{       0,              2,              4,              8       },	/* Alt #2  - Minimal aggressiveness */
{       3,              6,              10,             12      },	/* Alt #3  - Super aggressiveness */
};

struct abm_parameters {
	unsigned char min_reduction;
	unsigned char max_reduction;
	unsigned char bright_pos_gain;
	unsigned char dark_pos_gain;
	unsigned char brightness_gain;
	unsigned char contrast_factor;
	unsigned char deviation_gain;
	unsigned char min_knee;
	unsigned char max_knee;
};

static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = {
//  min_red  max_red  bright_pos  dark_pos  brightness_gain  contrast  deviation  min_knee  max_knee
	{0xff,   0xbf,    0x20,       0x00,     0xff,            0x99,     0xb3,      0x40,     0xe0},
	{0xde,   0x85,    0x20,       0x00,     0xff,            0x90,     0xa8,      0x40,     0xdf},
	{0xb0,   0x50,    0x20,       0x00,     0xc0,            0x88,     0x78,      0x70,     0xa0},
	{0x82,   0x40,    0x20,       0x00,     0x00,            0xff,     0xb3,      0x70,     0x70},
};

static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {
//  min_red  max_red  bright_pos  dark_pos  brightness_gain  contrast  deviation  min_knee  max_knee
	{0xf0,   0xd9,    0x20,       0x00,     0x00,            0xff,     0xb3,      0x70,     0x70},
	{0xcd,   0xa5,    0x20,       0x00,     0x00,            0xff,     0xb3,      0x70,     0x70},
	{0x99,   0x65,    0x20,       0x00,     0x00,            0xff,     0xb3,      0x70,     0x70},
	{0x82,   0x4d,    0x20,       0x00,     0x00,            0xff,     0xb3,      0x70,     0x70},
};

static const struct abm_parameters * const abm_settings[] = {
	abm_settings_config0,
	abm_settings_config1,
};

#define NUM_AMBI_LEVEL    5
#define NUM_AGGR_LEVEL    4
#define NUM_POWER_FN_SEGS 8
#define NUM_BL_CURVE_SEGS 16
#define IRAM_SIZE 256

#define IRAM_RESERVE_AREA_START_V2 0xF0  // reserve 0xF0~0xF6 are write by DMCU only
#define IRAM_RESERVE_AREA_END_V2 0xF6  // reserve 0xF0~0xF6 are write by DMCU only

#define IRAM_RESERVE_AREA_START_V2_2 0xF0  // reserve 0xF0~0xFF are write by DMCU only
#define IRAM_RESERVE_AREA_END_V2_2 0xFF  // reserve 0xF0~0xFF are write by DMCU only

#pragma pack(push, 1)
/* NOTE: iRAM is 256B in size */
struct iram_table_v_2 {
	/* flags                      */
	uint16_t min_abm_backlight;					/* 0x00 U16  */

	/* parameters for ABM2.0 algorithm */
	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x02 U0.8 */
	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x16 U0.8 */
	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x2a U2.6 */
	uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x3e U2.6 */
	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x52 U2.6 */
	uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x66 U2.6 */
	uint8_t iir_curve[NUM_AMBI_LEVEL];				/* 0x7a U0.8 */
	uint8_t deviation_gain;						/* 0x7f U0.8 */

	/* parameters for crgb conversion */
	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];			/* 0x80 U3.13 */
	uint16_t crgb_offset[NUM_POWER_FN_SEGS];			/* 0x90 U1.15 */
	uint16_t crgb_slope[NUM_POWER_FN_SEGS];				/* 0xa0 U4.12 */

	/* parameters for custom curve */
	/* thresholds for brightness --> backlight */
	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];		/* 0xb0 U16.0 */
	/* offsets for brightness --> backlight */
	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];			/* 0xd0 U16.0 */

	/* For reading PSR State directly from IRAM */
	uint8_t psr_state;						/* 0xf0       */
	uint8_t dmcu_mcp_interface_version;				/* 0xf1       */
	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
	uint16_t dmcu_version;						/* 0xf4       */
	uint8_t dmcu_state;						/* 0xf6       */

	uint16_t blRampReduction;					/* 0xf7       */
	uint16_t blRampStart;						/* 0xf9       */
	uint8_t dummy5;							/* 0xfb       */
	uint8_t dummy6;							/* 0xfc       */
	uint8_t dummy7;							/* 0xfd       */
	uint8_t dummy8;							/* 0xfe       */
	uint8_t dummy9;							/* 0xff       */
};

struct iram_table_v_2_2 {
	/* flags                      */
	uint16_t flags;							/* 0x00 U16  */

	/* parameters for ABM2.2 algorithm */
	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x02 U0.8 */
	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x16 U0.8 */
	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];	/* 0x2a U2.6 */
	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x3e U2.6 */
	uint8_t hybrid_factor[NUM_AGGR_LEVEL];				/* 0x52 U0.8 */
	uint8_t contrast_factor[NUM_AGGR_LEVEL];			/* 0x56 U0.8 */
	uint8_t deviation_gain[NUM_AGGR_LEVEL];				/* 0x5a U0.8 */
	uint8_t iir_curve[NUM_AMBI_LEVEL];				/* 0x5e U0.8 */
	uint8_t min_knee[NUM_AGGR_LEVEL];				/* 0x63 U0.8 */
	uint8_t max_knee[NUM_AGGR_LEVEL];				/* 0x67 U0.8 */
	uint16_t min_abm_backlight;					/* 0x6b U16  */
	uint8_t pad[19];						/* 0x6d U0.8 */

	/* parameters for crgb conversion */
	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];			/* 0x80 U3.13 */
	uint16_t crgb_offset[NUM_POWER_FN_SEGS];			/* 0x90 U1.15 */
	uint16_t crgb_slope[NUM_POWER_FN_SEGS];				/* 0xa0 U4.12 */

	/* parameters for custom curve */
	/* thresholds for brightness --> backlight */
	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];		/* 0xb0 U16.0 */
	/* offsets for brightness --> backlight */
	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];			/* 0xd0 U16.0 */

	/* For reading PSR State directly from IRAM */
	uint8_t psr_state;						/* 0xf0       */
	uint8_t dmcu_mcp_interface_version;				/* 0xf1       */
	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
	uint16_t dmcu_version;						/* 0xf4       */
	uint8_t dmcu_state;						/* 0xf6       */

	uint8_t dummy1;							/* 0xf7       */
	uint8_t dummy2;							/* 0xf8       */
	uint8_t dummy3;							/* 0xf9       */
	uint8_t dummy4;							/* 0xfa       */
	uint8_t dummy5;							/* 0xfb       */
	uint8_t dummy6;							/* 0xfc       */
	uint8_t dummy7;							/* 0xfd       */
	uint8_t dummy8;							/* 0xfe       */
	uint8_t dummy9;							/* 0xff       */
};
#pragma pack(pop)

static void fill_backlight_transform_table(struct dmcu_iram_parameters params,
		struct iram_table_v_2 *table)
{
	unsigned int i;
	unsigned int num_entries = NUM_BL_CURVE_SEGS;
	unsigned int lut_index;

	table->backlight_thresholds[0] = 0;
	table->backlight_offsets[0] = params.backlight_lut_array[0];
	table->backlight_thresholds[num_entries-1] = 0xFFFF;
	table->backlight_offsets[num_entries-1] =
		params.backlight_lut_array[params.backlight_lut_array_size - 1];

	/* Setup all brightness levels between 0% and 100% exclusive
	 * Fills brightness-to-backlight transform table. Backlight custom curve
	 * describes transform from brightness to backlight. It will be defined
	 * as set of thresholds and set of offsets, together, implying
	 * extrapolation of custom curve into 16 uniformly spanned linear
	 * segments.  Each threshold/offset represented by 16 bit entry in
	 * format U4.10.
	 */
	for (i = 1; i+1 < num_entries; i++) {
		lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
		ASSERT(lut_index < params.backlight_lut_array_size);

		table->backlight_thresholds[i] =
			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries));
		table->backlight_offsets[i] =
			cpu_to_be16(params.backlight_lut_array[lut_index]);
	}
}

static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params,
		struct iram_table_v_2_2 *table, bool big_endian)
{
	unsigned int i;
	unsigned int num_entries = NUM_BL_CURVE_SEGS;
	unsigned int lut_index;

	table->backlight_thresholds[0] = 0;
	table->backlight_offsets[0] = params.backlight_lut_array[0];
	table->backlight_thresholds[num_entries-1] = 0xFFFF;
	table->backlight_offsets[num_entries-1] =
		params.backlight_lut_array[params.backlight_lut_array_size - 1];

	/* Setup all brightness levels between 0% and 100% exclusive
	 * Fills brightness-to-backlight transform table. Backlight custom curve
	 * describes transform from brightness to backlight. It will be defined
	 * as set of thresholds and set of offsets, together, implying
	 * extrapolation of custom curve into 16 uniformly spanned linear
	 * segments.  Each threshold/offset represented by 16 bit entry in
	 * format U4.10.
	 */
	for (i = 1; i+1 < num_entries; i++) {
		lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
		ASSERT(lut_index < params.backlight_lut_array_size);

		table->backlight_thresholds[i] = (big_endian) ?
			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) :
			cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries));
		table->backlight_offsets[i] = (big_endian) ?
			cpu_to_be16(params.backlight_lut_array[lut_index]) :
			cpu_to_le16(params.backlight_lut_array[lut_index]);
	}
}

void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params)
{
	unsigned int set = params.set;

	ram_table->min_abm_backlight =
			cpu_to_be16(params.min_abm_backlight);
	ram_table->deviation_gain = 0xb3;

	ram_table->blRampReduction =
		cpu_to_be16(params.backlight_ramping_reduction);
	ram_table->blRampStart =
		cpu_to_be16(params.backlight_ramping_start);

	ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]];
	ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]];
	ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]];
	ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]];
	ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]];
	ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]];
	ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]];
	ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]];
	ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]];
	ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]];

	ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]];
	ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]];
	ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]];
	ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]];
	ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]];
	ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]];
	ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]];
	ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]];
	ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]];
	ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]];

	ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]];
	ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]];
	ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]];
	ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]];
	ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]];
	ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]];
	ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]];
	ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]];
	ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]];
	ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]];

	ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]];
	ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]];
	ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]];
	ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]];
	ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]];
	ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]];
	ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]];
	ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]];
	ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]];
	ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]];

	ram_table->bright_pos_gain[0][0] = 0x20;
	ram_table->bright_pos_gain[0][1] = 0x20;
	ram_table->bright_pos_gain[0][2] = 0x20;
	ram_table->bright_pos_gain[0][3] = 0x20;
	ram_table->bright_pos_gain[1][0] = 0x20;
	ram_table->bright_pos_gain[1][1] = 0x20;
	ram_table->bright_pos_gain[1][2] = 0x20;
	ram_table->bright_pos_gain[1][3] = 0x20;
	ram_table->bright_pos_gain[2][0] = 0x20;
	ram_table->bright_pos_gain[2][1] = 0x20;
	ram_table->bright_pos_gain[2][2] = 0x20;
	ram_table->bright_pos_gain[2][3] = 0x20;
	ram_table->bright_pos_gain[3][0] = 0x20;
	ram_table->bright_pos_gain[3][1] = 0x20;
	ram_table->bright_pos_gain[3][2] = 0x20;
	ram_table->bright_pos_gain[3][3] = 0x20;
	ram_table->bright_pos_gain[4][0] = 0x20;
	ram_table->bright_pos_gain[4][1] = 0x20;
	ram_table->bright_pos_gain[4][2] = 0x20;
	ram_table->bright_pos_gain[4][3] = 0x20;
	ram_table->bright_neg_gain[0][0] = 0x00;
	ram_table->bright_neg_gain[0][1] = 0x00;
	ram_table->bright_neg_gain[0][2] = 0x00;
	ram_table->bright_neg_gain[0][3] = 0x00;
	ram_table->bright_neg_gain[1][0] = 0x00;
	ram_table->bright_neg_gain[1][1] = 0x00;
	ram_table->bright_neg_gain[1][2] = 0x00;
	ram_table->bright_neg_gain[1][3] = 0x00;
	ram_table->bright_neg_gain[2][0] = 0x00;
	ram_table->bright_neg_gain[2][1] = 0x00;
	ram_table->bright_neg_gain[2][2] = 0x00;
	ram_table->bright_neg_gain[2][3] = 0x00;
	ram_table->bright_neg_gain[3][0] = 0x00;
	ram_table->bright_neg_gain[3][1] = 0x00;
	ram_table->bright_neg_gain[3][2] = 0x00;
	ram_table->bright_neg_gain[3][3] = 0x00;
	ram_table->bright_neg_gain[4][0] = 0x00;
	ram_table->bright_neg_gain[4][1] = 0x00;
	ram_table->bright_neg_gain[4][2] = 0x00;
	ram_table->bright_neg_gain[4][3] = 0x00;
	ram_table->dark_pos_gain[0][0] = 0x00;
	ram_table->dark_pos_gain[0][1] = 0x00;
	ram_table->dark_pos_gain[0][2] = 0x00;
	ram_table->dark_pos_gain[0][3] = 0x00;
	ram_table->dark_pos_gain[1][0] = 0x00;
	ram_table->dark_pos_gain[1][1] = 0x00;
	ram_table->dark_pos_gain[1][2] = 0x00;
	ram_table->dark_pos_gain[1][3] = 0x00;
	ram_table->dark_pos_gain[2][0] = 0x00;
	ram_table->dark_pos_gain[2][1] = 0x00;
	ram_table->dark_pos_gain[2][2] = 0x00;
	ram_table->dark_pos_gain[2][3] = 0x00;
	ram_table->dark_pos_gain[3][0] = 0x00;
	ram_table->dark_pos_gain[3][1] = 0x00;
	ram_table->dark_pos_gain[3][2] = 0x00;
	ram_table->dark_pos_gain[3][3] = 0x00;
	ram_table->dark_pos_gain[4][0] = 0x00;
	ram_table->dark_pos_gain[4][1] = 0x00;
	ram_table->dark_pos_gain[4][2] = 0x00;
	ram_table->dark_pos_gain[4][3] = 0x00;
	ram_table->dark_neg_gain[0][0] = 0x00;
	ram_table->dark_neg_gain[0][1] = 0x00;
	ram_table->dark_neg_gain[0][2] = 0x00;
	ram_table->dark_neg_gain[0][3] = 0x00;
	ram_table->dark_neg_gain[1][0] = 0x00;
	ram_table->dark_neg_gain[1][1] = 0x00;
	ram_table->dark_neg_gain[1][2] = 0x00;
	ram_table->dark_neg_gain[1][3] = 0x00;
	ram_table->dark_neg_gain[2][0] = 0x00;
	ram_table->dark_neg_gain[2][1] = 0x00;
	ram_table->dark_neg_gain[2][2] = 0x00;
	ram_table->dark_neg_gain[2][3] = 0x00;
	ram_table->dark_neg_gain[3][0] = 0x00;
	ram_table->dark_neg_gain[3][1] = 0x00;
	ram_table->dark_neg_gain[3][2] = 0x00;
	ram_table->dark_neg_gain[3][3] = 0x00;
	ram_table->dark_neg_gain[4][0] = 0x00;
	ram_table->dark_neg_gain[4][1] = 0x00;
	ram_table->dark_neg_gain[4][2] = 0x00;
	ram_table->dark_neg_gain[4][3] = 0x00;

	ram_table->iir_curve[0] = 0x65;
	ram_table->iir_curve[1] = 0x65;
	ram_table->iir_curve[2] = 0x65;
	ram_table->iir_curve[3] = 0x65;
	ram_table->iir_curve[4] = 0x65;

	//Gamma 2.4
	ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6);
	ram_table->crgb_thresh[1] = cpu_to_be16(0x1648);
	ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3);
	ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41);
	ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46);
	ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21);
	ram_table->crgb_thresh[6] = cpu_to_be16(0x2167);
	ram_table->crgb_thresh[7] = cpu_to_be16(0x2384);
	ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
	ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
	ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
	ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
	ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
	ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
	ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
	ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
	ram_table->crgb_slope[0]  = cpu_to_be16(0x3147);
	ram_table->crgb_slope[1]  = cpu_to_be16(0x2978);
	ram_table->crgb_slope[2]  = cpu_to_be16(0x23a2);
	ram_table->crgb_slope[3]  = cpu_to_be16(0x1f55);
	ram_table->crgb_slope[4]  = cpu_to_be16(0x1c63);
	ram_table->crgb_slope[5]  = cpu_to_be16(0x1a0f);
	ram_table->crgb_slope[6]  = cpu_to_be16(0x178d);
	ram_table->crgb_slope[7]  = cpu_to_be16(0x15ab);

	fill_backlight_transform_table(
			params, ram_table);
}

void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params)
{
	unsigned int set = params.set;

	ram_table->flags = 0x0;

	ram_table->min_abm_backlight =
			cpu_to_be16(params.min_abm_backlight);

	ram_table->deviation_gain[0] = 0xb3;
	ram_table->deviation_gain[1] = 0xa8;
	ram_table->deviation_gain[2] = 0x98;
	ram_table->deviation_gain[3] = 0x68;

	ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]];
	ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]];

	ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]];
	ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]];

	ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]];
	ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]];

	ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]];
	ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]];

	ram_table->bright_pos_gain[0][0] = 0x20;
	ram_table->bright_pos_gain[0][1] = 0x20;
	ram_table->bright_pos_gain[0][2] = 0x20;
	ram_table->bright_pos_gain[0][3] = 0x20;
	ram_table->bright_pos_gain[1][0] = 0x20;
	ram_table->bright_pos_gain[1][1] = 0x20;
	ram_table->bright_pos_gain[1][2] = 0x20;
	ram_table->bright_pos_gain[1][3] = 0x20;
	ram_table->bright_pos_gain[2][0] = 0x20;
	ram_table->bright_pos_gain[2][1] = 0x20;
	ram_table->bright_pos_gain[2][2] = 0x20;
	ram_table->bright_pos_gain[2][3] = 0x20;
	ram_table->bright_pos_gain[3][0] = 0x20;
	ram_table->bright_pos_gain[3][1] = 0x20;
	ram_table->bright_pos_gain[3][2] = 0x20;
	ram_table->bright_pos_gain[3][3] = 0x20;
	ram_table->bright_pos_gain[4][0] = 0x20;
	ram_table->bright_pos_gain[4][1] = 0x20;
	ram_table->bright_pos_gain[4][2] = 0x20;
	ram_table->bright_pos_gain[4][3] = 0x20;

	ram_table->dark_pos_gain[0][0] = 0x00;
	ram_table->dark_pos_gain[0][1] = 0x00;
	ram_table->dark_pos_gain[0][2] = 0x00;
	ram_table->dark_pos_gain[0][3] = 0x00;
	ram_table->dark_pos_gain[1][0] = 0x00;
	ram_table->dark_pos_gain[1][1] = 0x00;
	ram_table->dark_pos_gain[1][2] = 0x00;
	ram_table->dark_pos_gain[1][3] = 0x00;
	ram_table->dark_pos_gain[2][0] = 0x00;
	ram_table->dark_pos_gain[2][1] = 0x00;
	ram_table->dark_pos_gain[2][2] = 0x00;
	ram_table->dark_pos_gain[2][3] = 0x00;
	ram_table->dark_pos_gain[3][0] = 0x00;
	ram_table->dark_pos_gain[3][1] = 0x00;
	ram_table->dark_pos_gain[3][2] = 0x00;
	ram_table->dark_pos_gain[3][3] = 0x00;
	ram_table->dark_pos_gain[4][0] = 0x00;
	ram_table->dark_pos_gain[4][1] = 0x00;
	ram_table->dark_pos_gain[4][2] = 0x00;
	ram_table->dark_pos_gain[4][3] = 0x00;

	ram_table->hybrid_factor[0] = 0xff;
	ram_table->hybrid_factor[1] = 0xff;
	ram_table->hybrid_factor[2] = 0xff;
	ram_table->hybrid_factor[3] = 0xc0;

	ram_table->contrast_factor[0] = 0x99;
	ram_table->contrast_factor[1] = 0x99;
	ram_table->contrast_factor[2] = 0x90;
	ram_table->contrast_factor[3] = 0x80;

	ram_table->iir_curve[0] = 0x65;
	ram_table->iir_curve[1] = 0x65;
	ram_table->iir_curve[2] = 0x65;
	ram_table->iir_curve[3] = 0x65;
	ram_table->iir_curve[4] = 0x65;

	//Gamma 2.2
	ram_table->crgb_thresh[0] = cpu_to_be16(0x127c);
	ram_table->crgb_thresh[1] = cpu_to_be16(0x151b);
	ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5);
	ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56);
	ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83);
	ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72);
	ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0);
	ram_table->crgb_thresh[7] = cpu_to_be16(0x232b);
	ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
	ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
	ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
	ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
	ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
	ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
	ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
	ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
	ram_table->crgb_slope[0]  = cpu_to_be16(0x3609);
	ram_table->crgb_slope[1]  = cpu_to_be16(0x2dfa);
	ram_table->crgb_slope[2]  = cpu_to_be16(0x27ea);
	ram_table->crgb_slope[3]  = cpu_to_be16(0x235d);
	ram_table->crgb_slope[4]  = cpu_to_be16(0x2042);
	ram_table->crgb_slope[5]  = cpu_to_be16(0x1dc3);
	ram_table->crgb_slope[6]  = cpu_to_be16(0x1b1a);
	ram_table->crgb_slope[7]  = cpu_to_be16(0x1910);

	fill_backlight_transform_table_v_2_2(
			params, ram_table, true);
}

void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian)
{
	unsigned int i, j;
	unsigned int set = params.set;

	ram_table->flags = 0x0;
	ram_table->min_abm_backlight = (big_endian) ?
		cpu_to_be16(params.min_abm_backlight) :
		cpu_to_le16(params.min_abm_backlight);

	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
		ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain;
		ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor;
		ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain;
		ram_table->min_knee[i] = abm_settings[set][i].min_knee;
		ram_table->max_knee[i] = abm_settings[set][i].max_knee;

		for (j = 0; j < NUM_AMBI_LEVEL; j++) {
			ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction;
			ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction;
			ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain;
			ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain;
		}
	}

	ram_table->iir_curve[0] = 0x65;
	ram_table->iir_curve[1] = 0x65;
	ram_table->iir_curve[2] = 0x65;
	ram_table->iir_curve[3] = 0x65;
	ram_table->iir_curve[4] = 0x65;

	//Gamma 2.2
	ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c);
	ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b);
	ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5);
	ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56);
	ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83);
	ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72);
	ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0);
	ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b);
	ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999);
	ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999);
	ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666);
	ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999);
	ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333);
	ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800);
	ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00);
	ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000);
	ram_table->crgb_slope[0]  = bswap16_based_on_endian(big_endian, 0x3609);
	ram_table->crgb_slope[1]  = bswap16_based_on_endian(big_endian, 0x2dfa);
	ram_table->crgb_slope[2]  = bswap16_based_on_endian(big_endian, 0x27ea);
	ram_table->crgb_slope[3]  = bswap16_based_on_endian(big_endian, 0x235d);
	ram_table->crgb_slope[4]  = bswap16_based_on_endian(big_endian, 0x2042);
	ram_table->crgb_slope[5]  = bswap16_based_on_endian(big_endian, 0x1dc3);
	ram_table->crgb_slope[6]  = bswap16_based_on_endian(big_endian, 0x1b1a);
	ram_table->crgb_slope[7]  = bswap16_based_on_endian(big_endian, 0x1910);

	fill_backlight_transform_table_v_2_2(
			params, ram_table, big_endian);
}

bool dmub_init_abm_config(struct resource_pool *res_pool,
	struct dmcu_iram_parameters params)
{
	struct iram_table_v_2_2 ram_table;
	struct abm_config_table config;
	bool result = false;
	uint32_t i, j = 0;

#if defined(CONFIG_DRM_AMD_DC_DCN)
	if (res_pool->abm == NULL && res_pool->multiple_abms[0] == NULL)
		return false;
#else
	if (res_pool->abm == NULL)
		return false;
#endif

	memset(&ram_table, 0, sizeof(ram_table));
	memset(&config, 0, sizeof(config));

	fill_iram_v_2_3(&ram_table, params, false);

	// We must copy to structure that is aligned to 32-bit
	for (i = 0; i < NUM_POWER_FN_SEGS; i++) {
		config.crgb_thresh[i] = ram_table.crgb_thresh[i];
		config.crgb_offset[i] = ram_table.crgb_offset[i];
		config.crgb_slope[i] = ram_table.crgb_slope[i];
	}

	for (i = 0; i < NUM_BL_CURVE_SEGS; i++) {
		config.backlight_thresholds[i] = ram_table.backlight_thresholds[i];
		config.backlight_offsets[i] = ram_table.backlight_offsets[i];
	}

	for (i = 0; i < NUM_AMBI_LEVEL; i++)
		config.iir_curve[i] = ram_table.iir_curve[i];

	for (i = 0; i < NUM_AMBI_LEVEL; i++) {
		for (j = 0; j < NUM_AGGR_LEVEL; j++) {
			config.min_reduction[i][j] = ram_table.min_reduction[i][j];
			config.max_reduction[i][j] = ram_table.max_reduction[i][j];
			config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j];
			config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j];
		}
	}

	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
		config.hybrid_factor[i] = ram_table.hybrid_factor[i];
		config.contrast_factor[i] = ram_table.contrast_factor[i];
		config.deviation_gain[i] = ram_table.deviation_gain[i];
		config.min_knee[i] = ram_table.min_knee[i];
		config.max_knee[i] = ram_table.max_knee[i];
	}

	config.min_abm_backlight = ram_table.min_abm_backlight;

#if defined(CONFIG_DRM_AMD_DC_DCN)
	if (res_pool->multiple_abms[0])
		result = res_pool->multiple_abms[0]->funcs->init_abm_config(
			res_pool->multiple_abms[0], (char *)(&config), sizeof(struct abm_config_table));
	else
#endif
		result = res_pool->abm->funcs->init_abm_config(
			res_pool->abm, (char *)(&config), sizeof(struct abm_config_table));

	return result;
}

bool dmcu_load_iram(struct dmcu *dmcu,
	struct dmcu_iram_parameters params)
{
	unsigned char ram_table[IRAM_SIZE];
	bool result = false;

	if (dmcu == NULL)
		return false;

	if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu))
		return true;

	memset(&ram_table, 0, sizeof(ram_table));

	if (dmcu->dmcu_version.abm_version == 0x24) {
		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
			result = dmcu->funcs->load_iram(
					dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
	} else if (dmcu->dmcu_version.abm_version == 0x23) {
		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);

		result = dmcu->funcs->load_iram(
				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
	} else if (dmcu->dmcu_version.abm_version == 0x22) {
		fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params);

		result = dmcu->funcs->load_iram(
				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
	} else {
		fill_iram_v_2((struct iram_table_v_2 *)ram_table, params);

		result = dmcu->funcs->load_iram(
				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2);

		if (result)
			result = dmcu->funcs->load_iram(
					dmcu, IRAM_RESERVE_AREA_END_V2 + 1,
					(char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1,
					sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1);
	}

	return result;
}