1 /*
2 * Copyright 2020 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26 #include "dm_services.h"
27 #include "core_types.h"
28 #include "reg_helper.h"
29 #include "dcn30_dpp.h"
30 #include "basics/conversion.h"
31 #include "dcn30_cm_common.h"
32 #include "custom_float.h"
33
34 #define REG(reg) reg
35
36 #define CTX \
37 ctx //dpp->base.ctx
38
39 #undef FN
40 #define FN(reg_name, field_name) \
41 reg->shifts.field_name, reg->masks.field_name
42
cm_helper_program_gamcor_xfer_func(struct dc_context * ctx,const struct pwl_params * params,const struct dcn3_xfer_func_reg * reg)43 void cm_helper_program_gamcor_xfer_func(
44 struct dc_context *ctx,
45 const struct pwl_params *params,
46 const struct dcn3_xfer_func_reg *reg)
47 {
48 uint32_t reg_region_cur;
49 unsigned int i = 0;
50
51 REG_SET_2(reg->start_cntl_b, 0,
52 exp_region_start, params->corner_points[0].blue.custom_float_x,
53 exp_resion_start_segment, 0);
54 REG_SET_2(reg->start_cntl_g, 0,
55 exp_region_start, params->corner_points[0].green.custom_float_x,
56 exp_resion_start_segment, 0);
57 REG_SET_2(reg->start_cntl_r, 0,
58 exp_region_start, params->corner_points[0].red.custom_float_x,
59 exp_resion_start_segment, 0);
60
61 REG_SET(reg->start_slope_cntl_b, 0, //linear slope at start of curve
62 field_region_linear_slope, params->corner_points[0].blue.custom_float_slope);
63 REG_SET(reg->start_slope_cntl_g, 0,
64 field_region_linear_slope, params->corner_points[0].green.custom_float_slope);
65 REG_SET(reg->start_slope_cntl_r, 0,
66 field_region_linear_slope, params->corner_points[0].red.custom_float_slope);
67
68 REG_SET(reg->start_end_cntl1_b, 0,
69 field_region_end_base, params->corner_points[1].blue.custom_float_y);
70 REG_SET(reg->start_end_cntl1_g, 0,
71 field_region_end_base, params->corner_points[1].green.custom_float_y);
72 REG_SET(reg->start_end_cntl1_r, 0,
73 field_region_end_base, params->corner_points[1].red.custom_float_y);
74
75 REG_SET_2(reg->start_end_cntl2_b, 0,
76 field_region_end_slope, params->corner_points[1].blue.custom_float_slope,
77 field_region_end, params->corner_points[1].blue.custom_float_x);
78 REG_SET_2(reg->start_end_cntl2_g, 0,
79 field_region_end_slope, params->corner_points[1].green.custom_float_slope,
80 field_region_end, params->corner_points[1].green.custom_float_x);
81 REG_SET_2(reg->start_end_cntl2_r, 0,
82 field_region_end_slope, params->corner_points[1].red.custom_float_slope,
83 field_region_end, params->corner_points[1].red.custom_float_x);
84
85 for (reg_region_cur = reg->region_start;
86 reg_region_cur <= reg->region_end;
87 reg_region_cur++) {
88
89 const struct gamma_curve *curve0 = &(params->arr_curve_points[2 * i]);
90 const struct gamma_curve *curve1 = &(params->arr_curve_points[(2 * i) + 1]);
91
92 REG_SET_4(reg_region_cur, 0,
93 exp_region0_lut_offset, curve0->offset,
94 exp_region0_num_segments, curve0->segments_num,
95 exp_region1_lut_offset, curve1->offset,
96 exp_region1_num_segments, curve1->segments_num);
97
98 i++;
99 }
100 }
101
102 /* driver uses 32 regions or less, but DCN HW has 34, extra 2 are set to 0 */
103 #define MAX_REGIONS_NUMBER 34
104 #define MAX_LOW_POINT 25
105 #define NUMBER_REGIONS 32
106 #define NUMBER_SW_SEGMENTS 16
107
cm3_helper_translate_curve_to_hw_format(const struct dc_transfer_func * output_tf,struct pwl_params * lut_params,bool fixpoint)108 bool cm3_helper_translate_curve_to_hw_format(
109 const struct dc_transfer_func *output_tf,
110 struct pwl_params *lut_params, bool fixpoint)
111 {
112 struct curve_points3 *corner_points;
113 struct pwl_result_data *rgb_resulted;
114 struct pwl_result_data *rgb;
115 struct pwl_result_data *rgb_plus_1;
116 struct fixed31_32 end_value;
117
118 int32_t region_start, region_end;
119 int32_t i;
120 uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
121
122 if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
123 return false;
124
125 corner_points = lut_params->corner_points;
126 rgb_resulted = lut_params->rgb_resulted;
127 hw_points = 0;
128
129 memset(lut_params, 0, sizeof(struct pwl_params));
130 memset(seg_distr, 0, sizeof(seg_distr));
131
132 if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_GAMMA22 ||
133 output_tf->tf == TRANSFER_FUNCTION_HLG) {
134 /* 32 segments
135 * segments are from 2^-25 to 2^7
136 */
137 for (i = 0; i < NUMBER_REGIONS ; i++)
138 seg_distr[i] = 3;
139
140 region_start = -MAX_LOW_POINT;
141 region_end = NUMBER_REGIONS - MAX_LOW_POINT;
142 } else {
143 /* 10 segments
144 * segment is from 2^-10 to 2^0
145 * There are less than 256 points, for optimization
146 */
147 seg_distr[0] = 3;
148 seg_distr[1] = 4;
149 seg_distr[2] = 4;
150 seg_distr[3] = 4;
151 seg_distr[4] = 4;
152 seg_distr[5] = 4;
153 seg_distr[6] = 4;
154 seg_distr[7] = 4;
155 seg_distr[8] = 4;
156 seg_distr[9] = 4;
157
158 region_start = -10;
159 region_end = 0;
160 }
161
162 for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
163 seg_distr[i] = -1;
164
165 for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
166 if (seg_distr[k] != -1)
167 hw_points += (1 << seg_distr[k]);
168 }
169
170 j = 0;
171 for (k = 0; k < (region_end - region_start); k++) {
172 increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
173 start_index = (region_start + k + MAX_LOW_POINT) *
174 NUMBER_SW_SEGMENTS;
175 for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
176 i += increment) {
177 if (j == hw_points - 1)
178 break;
179 rgb_resulted[j].red = output_tf->tf_pts.red[i];
180 rgb_resulted[j].green = output_tf->tf_pts.green[i];
181 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
182 j++;
183 }
184 }
185
186 /* last point */
187 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
188 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
189 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
190 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
191
192 // All 3 color channels have same x
193 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
194 dc_fixpt_from_int(region_start));
195 corner_points[0].green.x = corner_points[0].red.x;
196 corner_points[0].blue.x = corner_points[0].red.x;
197
198 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
199 dc_fixpt_from_int(region_end));
200 corner_points[1].green.x = corner_points[1].red.x;
201 corner_points[1].blue.x = corner_points[1].red.x;
202
203 corner_points[0].red.y = rgb_resulted[0].red;
204 corner_points[0].green.y = rgb_resulted[0].green;
205 corner_points[0].blue.y = rgb_resulted[0].blue;
206
207 corner_points[0].red.slope = dc_fixpt_div(corner_points[0].red.y,
208 corner_points[0].red.x);
209 corner_points[0].green.slope = dc_fixpt_div(corner_points[0].green.y,
210 corner_points[0].green.x);
211 corner_points[0].blue.slope = dc_fixpt_div(corner_points[0].blue.y,
212 corner_points[0].blue.x);
213
214 /* see comment above, m_arrPoints[1].y should be the Y value for the
215 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
216 */
217 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
218 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
219 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
220 corner_points[1].red.slope = dc_fixpt_zero;
221 corner_points[1].green.slope = dc_fixpt_zero;
222 corner_points[1].blue.slope = dc_fixpt_zero;
223
224 if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_HLG) {
225 /* for PQ/HLG, we want to have a straight line from last HW X point,
226 * and the slope to be such that we hit 1.0 at 10000/1000 nits.
227 */
228
229 if (output_tf->tf == TRANSFER_FUNCTION_PQ)
230 end_value = dc_fixpt_from_int(125);
231 else
232 end_value = dc_fixpt_from_fraction(125, 10);
233
234 corner_points[1].red.slope = dc_fixpt_div(
235 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
236 dc_fixpt_sub(end_value, corner_points[1].red.x));
237 corner_points[1].green.slope = dc_fixpt_div(
238 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
239 dc_fixpt_sub(end_value, corner_points[1].green.x));
240 corner_points[1].blue.slope = dc_fixpt_div(
241 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
242 dc_fixpt_sub(end_value, corner_points[1].blue.x));
243 }
244 lut_params->hw_points_num = hw_points;
245
246 k = 0;
247 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
248 if (seg_distr[k] != -1) {
249 lut_params->arr_curve_points[k].segments_num =
250 seg_distr[k];
251 lut_params->arr_curve_points[i].offset =
252 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
253 }
254 k++;
255 }
256
257 if (seg_distr[k] != -1)
258 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
259
260 rgb = rgb_resulted;
261 rgb_plus_1 = rgb_resulted + 1;
262
263 i = 1;
264 while (i != hw_points + 1) {
265 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
266 rgb_plus_1->red = rgb->red;
267 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
268 rgb_plus_1->green = rgb->green;
269 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
270 rgb_plus_1->blue = rgb->blue;
271
272 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
273 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
274 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
275
276 if (fixpoint == true) {
277 rgb->delta_red_reg = dc_fixpt_clamp_u0d10(rgb->delta_red);
278 rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green);
279 rgb->delta_blue_reg = dc_fixpt_clamp_u0d10(rgb->delta_blue);
280 rgb->red_reg = dc_fixpt_clamp_u0d14(rgb->red);
281 rgb->green_reg = dc_fixpt_clamp_u0d14(rgb->green);
282 rgb->blue_reg = dc_fixpt_clamp_u0d14(rgb->blue);
283 }
284
285 ++rgb_plus_1;
286 ++rgb;
287 ++i;
288 }
289 cm3_helper_convert_to_custom_float(rgb_resulted,
290 lut_params->corner_points,
291 hw_points, fixpoint);
292
293 return true;
294 }
295
296 #define NUM_DEGAMMA_REGIONS 12
297
298
cm3_helper_translate_curve_to_degamma_hw_format(const struct dc_transfer_func * output_tf,struct pwl_params * lut_params)299 bool cm3_helper_translate_curve_to_degamma_hw_format(
300 const struct dc_transfer_func *output_tf,
301 struct pwl_params *lut_params)
302 {
303 struct curve_points3 *corner_points;
304 struct pwl_result_data *rgb_resulted;
305 struct pwl_result_data *rgb;
306 struct pwl_result_data *rgb_plus_1;
307
308 int32_t region_start, region_end;
309 int32_t i;
310 uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
311
312 if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
313 return false;
314
315 corner_points = lut_params->corner_points;
316 rgb_resulted = lut_params->rgb_resulted;
317 hw_points = 0;
318
319 memset(lut_params, 0, sizeof(struct pwl_params));
320 memset(seg_distr, 0, sizeof(seg_distr));
321
322 region_start = -NUM_DEGAMMA_REGIONS;
323 region_end = 0;
324
325
326 for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
327 seg_distr[i] = -1;
328 /* 12 segments
329 * segments are from 2^-12 to 0
330 */
331 for (i = 0; i < NUM_DEGAMMA_REGIONS ; i++)
332 seg_distr[i] = 4;
333
334 for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
335 if (seg_distr[k] != -1)
336 hw_points += (1 << seg_distr[k]);
337 }
338
339 j = 0;
340 for (k = 0; k < (region_end - region_start); k++) {
341 increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
342 start_index = (region_start + k + MAX_LOW_POINT) *
343 NUMBER_SW_SEGMENTS;
344 for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
345 i += increment) {
346 if (j == hw_points - 1)
347 break;
348 rgb_resulted[j].red = output_tf->tf_pts.red[i];
349 rgb_resulted[j].green = output_tf->tf_pts.green[i];
350 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
351 j++;
352 }
353 }
354
355 /* last point */
356 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
357 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
358 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
359 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
360
361 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
362 dc_fixpt_from_int(region_start));
363 corner_points[0].green.x = corner_points[0].red.x;
364 corner_points[0].blue.x = corner_points[0].red.x;
365 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
366 dc_fixpt_from_int(region_end));
367 corner_points[1].green.x = corner_points[1].red.x;
368 corner_points[1].blue.x = corner_points[1].red.x;
369
370 corner_points[0].red.y = rgb_resulted[0].red;
371 corner_points[0].green.y = rgb_resulted[0].green;
372 corner_points[0].blue.y = rgb_resulted[0].blue;
373
374 /* see comment above, m_arrPoints[1].y should be the Y value for the
375 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
376 */
377 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
378 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
379 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
380 corner_points[1].red.slope = dc_fixpt_zero;
381 corner_points[1].green.slope = dc_fixpt_zero;
382 corner_points[1].blue.slope = dc_fixpt_zero;
383
384 if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
385 /* for PQ, we want to have a straight line from last HW X point,
386 * and the slope to be such that we hit 1.0 at 10000 nits.
387 */
388 const struct fixed31_32 end_value =
389 dc_fixpt_from_int(125);
390
391 corner_points[1].red.slope = dc_fixpt_div(
392 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
393 dc_fixpt_sub(end_value, corner_points[1].red.x));
394 corner_points[1].green.slope = dc_fixpt_div(
395 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
396 dc_fixpt_sub(end_value, corner_points[1].green.x));
397 corner_points[1].blue.slope = dc_fixpt_div(
398 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
399 dc_fixpt_sub(end_value, corner_points[1].blue.x));
400 }
401
402 lut_params->hw_points_num = hw_points;
403
404 k = 0;
405 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
406 if (seg_distr[k] != -1) {
407 lut_params->arr_curve_points[k].segments_num =
408 seg_distr[k];
409 lut_params->arr_curve_points[i].offset =
410 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
411 }
412 k++;
413 }
414
415 if (seg_distr[k] != -1)
416 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
417
418 rgb = rgb_resulted;
419 rgb_plus_1 = rgb_resulted + 1;
420
421 i = 1;
422 while (i != hw_points + 1) {
423 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
424 rgb_plus_1->red = rgb->red;
425 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
426 rgb_plus_1->green = rgb->green;
427 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
428 rgb_plus_1->blue = rgb->blue;
429
430 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
431 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
432 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
433
434 ++rgb_plus_1;
435 ++rgb;
436 ++i;
437 }
438 cm3_helper_convert_to_custom_float(rgb_resulted,
439 lut_params->corner_points,
440 hw_points, false);
441
442 return true;
443 }
444
cm3_helper_convert_to_custom_float(struct pwl_result_data * rgb_resulted,struct curve_points3 * corner_points,uint32_t hw_points_num,bool fixpoint)445 bool cm3_helper_convert_to_custom_float(
446 struct pwl_result_data *rgb_resulted,
447 struct curve_points3 *corner_points,
448 uint32_t hw_points_num,
449 bool fixpoint)
450 {
451 struct custom_float_format fmt;
452
453 struct pwl_result_data *rgb = rgb_resulted;
454
455 uint32_t i = 0;
456
457 fmt.exponenta_bits = 6;
458 fmt.mantissa_bits = 12;
459 fmt.sign = false;
460
461 /* corner_points[0] - beginning base, slope offset for R,G,B
462 * corner_points[1] - end base, slope offset for R,G,B
463 */
464 if (!convert_to_custom_float_format(corner_points[0].red.x, &fmt,
465 &corner_points[0].red.custom_float_x)) {
466 BREAK_TO_DEBUGGER();
467 return false;
468 }
469 if (!convert_to_custom_float_format(corner_points[0].green.x, &fmt,
470 &corner_points[0].green.custom_float_x)) {
471 BREAK_TO_DEBUGGER();
472 return false;
473 }
474 if (!convert_to_custom_float_format(corner_points[0].blue.x, &fmt,
475 &corner_points[0].blue.custom_float_x)) {
476 BREAK_TO_DEBUGGER();
477 return false;
478 }
479
480 if (!convert_to_custom_float_format(corner_points[0].red.offset, &fmt,
481 &corner_points[0].red.custom_float_offset)) {
482 BREAK_TO_DEBUGGER();
483 return false;
484 }
485 if (!convert_to_custom_float_format(corner_points[0].green.offset, &fmt,
486 &corner_points[0].green.custom_float_offset)) {
487 BREAK_TO_DEBUGGER();
488 return false;
489 }
490 if (!convert_to_custom_float_format(corner_points[0].blue.offset, &fmt,
491 &corner_points[0].blue.custom_float_offset)) {
492 BREAK_TO_DEBUGGER();
493 return false;
494 }
495
496 if (!convert_to_custom_float_format(corner_points[0].red.slope, &fmt,
497 &corner_points[0].red.custom_float_slope)) {
498 BREAK_TO_DEBUGGER();
499 return false;
500 }
501 if (!convert_to_custom_float_format(corner_points[0].green.slope, &fmt,
502 &corner_points[0].green.custom_float_slope)) {
503 BREAK_TO_DEBUGGER();
504 return false;
505 }
506 if (!convert_to_custom_float_format(corner_points[0].blue.slope, &fmt,
507 &corner_points[0].blue.custom_float_slope)) {
508 BREAK_TO_DEBUGGER();
509 return false;
510 }
511
512 if (fixpoint == true) {
513 corner_points[1].red.custom_float_y =
514 dc_fixpt_clamp_u0d14(corner_points[1].red.y);
515 corner_points[1].green.custom_float_y =
516 dc_fixpt_clamp_u0d14(corner_points[1].green.y);
517 corner_points[1].blue.custom_float_y =
518 dc_fixpt_clamp_u0d14(corner_points[1].blue.y);
519 } else {
520 if (!convert_to_custom_float_format(corner_points[1].red.y,
521 &fmt, &corner_points[1].red.custom_float_y)) {
522 BREAK_TO_DEBUGGER();
523 return false;
524 }
525 if (!convert_to_custom_float_format(corner_points[1].green.y,
526 &fmt, &corner_points[1].green.custom_float_y)) {
527 BREAK_TO_DEBUGGER();
528 return false;
529 }
530 if (!convert_to_custom_float_format(corner_points[1].blue.y,
531 &fmt, &corner_points[1].blue.custom_float_y)) {
532 BREAK_TO_DEBUGGER();
533 return false;
534 }
535 }
536
537 fmt.mantissa_bits = 10;
538 fmt.sign = false;
539
540 if (!convert_to_custom_float_format(corner_points[1].red.x, &fmt,
541 &corner_points[1].red.custom_float_x)) {
542 BREAK_TO_DEBUGGER();
543 return false;
544 }
545 if (!convert_to_custom_float_format(corner_points[1].green.x, &fmt,
546 &corner_points[1].green.custom_float_x)) {
547 BREAK_TO_DEBUGGER();
548 return false;
549 }
550 if (!convert_to_custom_float_format(corner_points[1].blue.x, &fmt,
551 &corner_points[1].blue.custom_float_x)) {
552 BREAK_TO_DEBUGGER();
553 return false;
554 }
555
556 if (!convert_to_custom_float_format(corner_points[1].red.slope, &fmt,
557 &corner_points[1].red.custom_float_slope)) {
558 BREAK_TO_DEBUGGER();
559 return false;
560 }
561 if (!convert_to_custom_float_format(corner_points[1].green.slope, &fmt,
562 &corner_points[1].green.custom_float_slope)) {
563 BREAK_TO_DEBUGGER();
564 return false;
565 }
566 if (!convert_to_custom_float_format(corner_points[1].blue.slope, &fmt,
567 &corner_points[1].blue.custom_float_slope)) {
568 BREAK_TO_DEBUGGER();
569 return false;
570 }
571
572 if (hw_points_num == 0 || rgb_resulted == NULL || fixpoint == true)
573 return true;
574
575 fmt.mantissa_bits = 12;
576
577 while (i != hw_points_num) {
578 if (!convert_to_custom_float_format(rgb->red, &fmt,
579 &rgb->red_reg)) {
580 BREAK_TO_DEBUGGER();
581 return false;
582 }
583
584 if (!convert_to_custom_float_format(rgb->green, &fmt,
585 &rgb->green_reg)) {
586 BREAK_TO_DEBUGGER();
587 return false;
588 }
589
590 if (!convert_to_custom_float_format(rgb->blue, &fmt,
591 &rgb->blue_reg)) {
592 BREAK_TO_DEBUGGER();
593 return false;
594 }
595
596 if (!convert_to_custom_float_format(rgb->delta_red, &fmt,
597 &rgb->delta_red_reg)) {
598 BREAK_TO_DEBUGGER();
599 return false;
600 }
601
602 if (!convert_to_custom_float_format(rgb->delta_green, &fmt,
603 &rgb->delta_green_reg)) {
604 BREAK_TO_DEBUGGER();
605 return false;
606 }
607
608 if (!convert_to_custom_float_format(rgb->delta_blue, &fmt,
609 &rgb->delta_blue_reg)) {
610 BREAK_TO_DEBUGGER();
611 return false;
612 }
613
614 ++rgb;
615 ++i;
616 }
617
618 return true;
619 }
620
is_rgb_equal(const struct pwl_result_data * rgb,uint32_t num)621 bool is_rgb_equal(const struct pwl_result_data *rgb, uint32_t num)
622 {
623 uint32_t i;
624 bool ret = true;
625
626 for (i = 0 ; i < num; i++) {
627 if (rgb[i].red_reg != rgb[i].green_reg ||
628 rgb[i].blue_reg != rgb[i].red_reg ||
629 rgb[i].blue_reg != rgb[i].green_reg) {
630 ret = false;
631 break;
632 }
633 }
634 return ret;
635 }
636
637
