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 pwl_result_data *rgb_minus_1;
117 struct fixed31_32 end_value;
118
119 int32_t region_start, region_end;
120 int32_t i;
121 uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
122
123 if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
124 return false;
125
126 corner_points = lut_params->corner_points;
127 rgb_resulted = lut_params->rgb_resulted;
128 hw_points = 0;
129
130 memset(lut_params, 0, sizeof(struct pwl_params));
131 memset(seg_distr, 0, sizeof(seg_distr));
132
133 if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_GAMMA22 ||
134 output_tf->tf == TRANSFER_FUNCTION_HLG) {
135 /* 32 segments
136 * segments are from 2^-25 to 2^7
137 */
138 for (i = 0; i < NUMBER_REGIONS ; i++)
139 seg_distr[i] = 3;
140
141 region_start = -MAX_LOW_POINT;
142 region_end = NUMBER_REGIONS - MAX_LOW_POINT;
143 } else {
144 /* 11 segments
145 * segment is from 2^-10 to 2^0
146 * There are less than 256 points, for optimization
147 */
148 seg_distr[0] = 3;
149 seg_distr[1] = 4;
150 seg_distr[2] = 4;
151 seg_distr[3] = 4;
152 seg_distr[4] = 4;
153 seg_distr[5] = 4;
154 seg_distr[6] = 4;
155 seg_distr[7] = 4;
156 seg_distr[8] = 4;
157 seg_distr[9] = 4;
158 seg_distr[10] = 1;
159
160 region_start = -10;
161 region_end = 1;
162 }
163
164 for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
165 seg_distr[i] = -1;
166
167 for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
168 if (seg_distr[k] != -1)
169 hw_points += (1 << seg_distr[k]);
170 }
171
172 j = 0;
173 for (k = 0; k < (region_end - region_start); k++) {
174 increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
175 start_index = (region_start + k + MAX_LOW_POINT) *
176 NUMBER_SW_SEGMENTS;
177 for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
178 i += increment) {
179 if (j == hw_points - 1)
180 break;
181 rgb_resulted[j].red = output_tf->tf_pts.red[i];
182 rgb_resulted[j].green = output_tf->tf_pts.green[i];
183 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
184 j++;
185 }
186 }
187
188 /* last point */
189 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
190 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
191 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
192 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
193
194 rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red;
195 rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green;
196 rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue;
197
198 // All 3 color channels have same x
199 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
200 dc_fixpt_from_int(region_start));
201 corner_points[0].green.x = corner_points[0].red.x;
202 corner_points[0].blue.x = corner_points[0].red.x;
203
204 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
205 dc_fixpt_from_int(region_end));
206 corner_points[1].green.x = corner_points[1].red.x;
207 corner_points[1].blue.x = corner_points[1].red.x;
208
209 corner_points[0].red.y = rgb_resulted[0].red;
210 corner_points[0].green.y = rgb_resulted[0].green;
211 corner_points[0].blue.y = rgb_resulted[0].blue;
212
213 corner_points[0].red.slope = dc_fixpt_div(corner_points[0].red.y,
214 corner_points[0].red.x);
215 corner_points[0].green.slope = dc_fixpt_div(corner_points[0].green.y,
216 corner_points[0].green.x);
217 corner_points[0].blue.slope = dc_fixpt_div(corner_points[0].blue.y,
218 corner_points[0].blue.x);
219
220 /* see comment above, m_arrPoints[1].y should be the Y value for the
221 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
222 */
223 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
224 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
225 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
226 corner_points[1].red.slope = dc_fixpt_zero;
227 corner_points[1].green.slope = dc_fixpt_zero;
228 corner_points[1].blue.slope = dc_fixpt_zero;
229
230 if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_HLG) {
231 /* for PQ/HLG, we want to have a straight line from last HW X point,
232 * and the slope to be such that we hit 1.0 at 10000/1000 nits.
233 */
234
235 if (output_tf->tf == TRANSFER_FUNCTION_PQ)
236 end_value = dc_fixpt_from_int(125);
237 else
238 end_value = dc_fixpt_from_fraction(125, 10);
239
240 corner_points[1].red.slope = dc_fixpt_div(
241 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
242 dc_fixpt_sub(end_value, corner_points[1].red.x));
243 corner_points[1].green.slope = dc_fixpt_div(
244 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
245 dc_fixpt_sub(end_value, corner_points[1].green.x));
246 corner_points[1].blue.slope = dc_fixpt_div(
247 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
248 dc_fixpt_sub(end_value, corner_points[1].blue.x));
249 }
250 lut_params->hw_points_num = hw_points;
251
252 k = 0;
253 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
254 if (seg_distr[k] != -1) {
255 lut_params->arr_curve_points[k].segments_num =
256 seg_distr[k];
257 lut_params->arr_curve_points[i].offset =
258 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
259 }
260 k++;
261 }
262
263 if (seg_distr[k] != -1)
264 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
265
266 rgb = rgb_resulted;
267 rgb_plus_1 = rgb_resulted + 1;
268 rgb_minus_1 = rgb;
269
270 i = 1;
271 while (i != hw_points + 1) {
272 if (i >= hw_points - 1) {
273 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
274 rgb_plus_1->red = dc_fixpt_add(rgb->red, rgb_minus_1->delta_red);
275 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
276 rgb_plus_1->green = dc_fixpt_add(rgb->green, rgb_minus_1->delta_green);
277 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
278 rgb_plus_1->blue = dc_fixpt_add(rgb->blue, rgb_minus_1->delta_blue);
279 }
280
281 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
282 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
283 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
284
285 if (fixpoint == true) {
286 rgb->delta_red_reg = dc_fixpt_clamp_u0d10(rgb->delta_red);
287 rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green);
288 rgb->delta_blue_reg = dc_fixpt_clamp_u0d10(rgb->delta_blue);
289 rgb->red_reg = dc_fixpt_clamp_u0d14(rgb->red);
290 rgb->green_reg = dc_fixpt_clamp_u0d14(rgb->green);
291 rgb->blue_reg = dc_fixpt_clamp_u0d14(rgb->blue);
292 }
293
294 ++rgb_plus_1;
295 rgb_minus_1 = rgb;
296 ++rgb;
297 ++i;
298 }
299 cm3_helper_convert_to_custom_float(rgb_resulted,
300 lut_params->corner_points,
301 hw_points, fixpoint);
302
303 return true;
304 }
305
306 #define NUM_DEGAMMA_REGIONS 12
307
308
cm3_helper_translate_curve_to_degamma_hw_format(const struct dc_transfer_func * output_tf,struct pwl_params * lut_params)309 bool cm3_helper_translate_curve_to_degamma_hw_format(
310 const struct dc_transfer_func *output_tf,
311 struct pwl_params *lut_params)
312 {
313 struct curve_points3 *corner_points;
314 struct pwl_result_data *rgb_resulted;
315 struct pwl_result_data *rgb;
316 struct pwl_result_data *rgb_plus_1;
317
318 int32_t region_start, region_end;
319 int32_t i;
320 uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
321
322 if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
323 return false;
324
325 corner_points = lut_params->corner_points;
326 rgb_resulted = lut_params->rgb_resulted;
327 hw_points = 0;
328
329 memset(lut_params, 0, sizeof(struct pwl_params));
330 memset(seg_distr, 0, sizeof(seg_distr));
331
332 region_start = -NUM_DEGAMMA_REGIONS;
333 region_end = 0;
334
335
336 for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
337 seg_distr[i] = -1;
338 /* 12 segments
339 * segments are from 2^-12 to 0
340 */
341 for (i = 0; i < NUM_DEGAMMA_REGIONS ; i++)
342 seg_distr[i] = 4;
343
344 for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
345 if (seg_distr[k] != -1)
346 hw_points += (1 << seg_distr[k]);
347 }
348
349 j = 0;
350 for (k = 0; k < (region_end - region_start); k++) {
351 increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
352 start_index = (region_start + k + MAX_LOW_POINT) *
353 NUMBER_SW_SEGMENTS;
354 for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
355 i += increment) {
356 if (j == hw_points - 1)
357 break;
358 rgb_resulted[j].red = output_tf->tf_pts.red[i];
359 rgb_resulted[j].green = output_tf->tf_pts.green[i];
360 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
361 j++;
362 }
363 }
364
365 /* last point */
366 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
367 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
368 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
369 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
370
371 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
372 dc_fixpt_from_int(region_start));
373 corner_points[0].green.x = corner_points[0].red.x;
374 corner_points[0].blue.x = corner_points[0].red.x;
375 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
376 dc_fixpt_from_int(region_end));
377 corner_points[1].green.x = corner_points[1].red.x;
378 corner_points[1].blue.x = corner_points[1].red.x;
379
380 corner_points[0].red.y = rgb_resulted[0].red;
381 corner_points[0].green.y = rgb_resulted[0].green;
382 corner_points[0].blue.y = rgb_resulted[0].blue;
383
384 /* see comment above, m_arrPoints[1].y should be the Y value for the
385 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
386 */
387 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
388 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
389 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
390 corner_points[1].red.slope = dc_fixpt_zero;
391 corner_points[1].green.slope = dc_fixpt_zero;
392 corner_points[1].blue.slope = dc_fixpt_zero;
393
394 if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
395 /* for PQ, we want to have a straight line from last HW X point,
396 * and the slope to be such that we hit 1.0 at 10000 nits.
397 */
398 const struct fixed31_32 end_value =
399 dc_fixpt_from_int(125);
400
401 corner_points[1].red.slope = dc_fixpt_div(
402 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
403 dc_fixpt_sub(end_value, corner_points[1].red.x));
404 corner_points[1].green.slope = dc_fixpt_div(
405 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
406 dc_fixpt_sub(end_value, corner_points[1].green.x));
407 corner_points[1].blue.slope = dc_fixpt_div(
408 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
409 dc_fixpt_sub(end_value, corner_points[1].blue.x));
410 }
411
412 lut_params->hw_points_num = hw_points;
413
414 k = 0;
415 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
416 if (seg_distr[k] != -1) {
417 lut_params->arr_curve_points[k].segments_num =
418 seg_distr[k];
419 lut_params->arr_curve_points[i].offset =
420 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
421 }
422 k++;
423 }
424
425 if (seg_distr[k] != -1)
426 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
427
428 rgb = rgb_resulted;
429 rgb_plus_1 = rgb_resulted + 1;
430
431 i = 1;
432 while (i != hw_points + 1) {
433 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
434 rgb_plus_1->red = rgb->red;
435 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
436 rgb_plus_1->green = rgb->green;
437 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
438 rgb_plus_1->blue = rgb->blue;
439
440 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
441 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
442 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
443
444 ++rgb_plus_1;
445 ++rgb;
446 ++i;
447 }
448 cm3_helper_convert_to_custom_float(rgb_resulted,
449 lut_params->corner_points,
450 hw_points, false);
451
452 return true;
453 }
454
cm3_helper_convert_to_custom_float(struct pwl_result_data * rgb_resulted,struct curve_points3 * corner_points,uint32_t hw_points_num,bool fixpoint)455 bool cm3_helper_convert_to_custom_float(
456 struct pwl_result_data *rgb_resulted,
457 struct curve_points3 *corner_points,
458 uint32_t hw_points_num,
459 bool fixpoint)
460 {
461 struct custom_float_format fmt;
462
463 struct pwl_result_data *rgb = rgb_resulted;
464
465 uint32_t i = 0;
466
467 fmt.exponenta_bits = 6;
468 fmt.mantissa_bits = 12;
469 fmt.sign = false;
470
471 /* corner_points[0] - beginning base, slope offset for R,G,B
472 * corner_points[1] - end base, slope offset for R,G,B
473 */
474 if (!convert_to_custom_float_format(corner_points[0].red.x, &fmt,
475 &corner_points[0].red.custom_float_x)) {
476 BREAK_TO_DEBUGGER();
477 return false;
478 }
479 if (!convert_to_custom_float_format(corner_points[0].green.x, &fmt,
480 &corner_points[0].green.custom_float_x)) {
481 BREAK_TO_DEBUGGER();
482 return false;
483 }
484 if (!convert_to_custom_float_format(corner_points[0].blue.x, &fmt,
485 &corner_points[0].blue.custom_float_x)) {
486 BREAK_TO_DEBUGGER();
487 return false;
488 }
489
490 if (!convert_to_custom_float_format(corner_points[0].red.offset, &fmt,
491 &corner_points[0].red.custom_float_offset)) {
492 BREAK_TO_DEBUGGER();
493 return false;
494 }
495 if (!convert_to_custom_float_format(corner_points[0].green.offset, &fmt,
496 &corner_points[0].green.custom_float_offset)) {
497 BREAK_TO_DEBUGGER();
498 return false;
499 }
500 if (!convert_to_custom_float_format(corner_points[0].blue.offset, &fmt,
501 &corner_points[0].blue.custom_float_offset)) {
502 BREAK_TO_DEBUGGER();
503 return false;
504 }
505
506 if (!convert_to_custom_float_format(corner_points[0].red.slope, &fmt,
507 &corner_points[0].red.custom_float_slope)) {
508 BREAK_TO_DEBUGGER();
509 return false;
510 }
511 if (!convert_to_custom_float_format(corner_points[0].green.slope, &fmt,
512 &corner_points[0].green.custom_float_slope)) {
513 BREAK_TO_DEBUGGER();
514 return false;
515 }
516 if (!convert_to_custom_float_format(corner_points[0].blue.slope, &fmt,
517 &corner_points[0].blue.custom_float_slope)) {
518 BREAK_TO_DEBUGGER();
519 return false;
520 }
521
522 if (fixpoint == true) {
523 corner_points[1].red.custom_float_y =
524 dc_fixpt_clamp_u0d14(corner_points[1].red.y);
525 corner_points[1].green.custom_float_y =
526 dc_fixpt_clamp_u0d14(corner_points[1].green.y);
527 corner_points[1].blue.custom_float_y =
528 dc_fixpt_clamp_u0d14(corner_points[1].blue.y);
529 } else {
530 if (!convert_to_custom_float_format(corner_points[1].red.y,
531 &fmt, &corner_points[1].red.custom_float_y)) {
532 BREAK_TO_DEBUGGER();
533 return false;
534 }
535 if (!convert_to_custom_float_format(corner_points[1].green.y,
536 &fmt, &corner_points[1].green.custom_float_y)) {
537 BREAK_TO_DEBUGGER();
538 return false;
539 }
540 if (!convert_to_custom_float_format(corner_points[1].blue.y,
541 &fmt, &corner_points[1].blue.custom_float_y)) {
542 BREAK_TO_DEBUGGER();
543 return false;
544 }
545 }
546
547 fmt.mantissa_bits = 10;
548 fmt.sign = false;
549
550 if (!convert_to_custom_float_format(corner_points[1].red.x, &fmt,
551 &corner_points[1].red.custom_float_x)) {
552 BREAK_TO_DEBUGGER();
553 return false;
554 }
555 if (!convert_to_custom_float_format(corner_points[1].green.x, &fmt,
556 &corner_points[1].green.custom_float_x)) {
557 BREAK_TO_DEBUGGER();
558 return false;
559 }
560 if (!convert_to_custom_float_format(corner_points[1].blue.x, &fmt,
561 &corner_points[1].blue.custom_float_x)) {
562 BREAK_TO_DEBUGGER();
563 return false;
564 }
565
566 if (!convert_to_custom_float_format(corner_points[1].red.slope, &fmt,
567 &corner_points[1].red.custom_float_slope)) {
568 BREAK_TO_DEBUGGER();
569 return false;
570 }
571 if (!convert_to_custom_float_format(corner_points[1].green.slope, &fmt,
572 &corner_points[1].green.custom_float_slope)) {
573 BREAK_TO_DEBUGGER();
574 return false;
575 }
576 if (!convert_to_custom_float_format(corner_points[1].blue.slope, &fmt,
577 &corner_points[1].blue.custom_float_slope)) {
578 BREAK_TO_DEBUGGER();
579 return false;
580 }
581
582 if (hw_points_num == 0 || rgb_resulted == NULL || fixpoint == true)
583 return true;
584
585 fmt.mantissa_bits = 12;
586
587 while (i != hw_points_num) {
588 if (!convert_to_custom_float_format(rgb->red, &fmt,
589 &rgb->red_reg)) {
590 BREAK_TO_DEBUGGER();
591 return false;
592 }
593
594 if (!convert_to_custom_float_format(rgb->green, &fmt,
595 &rgb->green_reg)) {
596 BREAK_TO_DEBUGGER();
597 return false;
598 }
599
600 if (!convert_to_custom_float_format(rgb->blue, &fmt,
601 &rgb->blue_reg)) {
602 BREAK_TO_DEBUGGER();
603 return false;
604 }
605
606 if (!convert_to_custom_float_format(rgb->delta_red, &fmt,
607 &rgb->delta_red_reg)) {
608 BREAK_TO_DEBUGGER();
609 return false;
610 }
611
612 if (!convert_to_custom_float_format(rgb->delta_green, &fmt,
613 &rgb->delta_green_reg)) {
614 BREAK_TO_DEBUGGER();
615 return false;
616 }
617
618 if (!convert_to_custom_float_format(rgb->delta_blue, &fmt,
619 &rgb->delta_blue_reg)) {
620 BREAK_TO_DEBUGGER();
621 return false;
622 }
623
624 ++rgb;
625 ++i;
626 }
627
628 return true;
629 }
630
is_rgb_equal(const struct pwl_result_data * rgb,uint32_t num)631 bool is_rgb_equal(const struct pwl_result_data *rgb, uint32_t num)
632 {
633 uint32_t i;
634 bool ret = true;
635
636 for (i = 0 ; i < num; i++) {
637 if (rgb[i].red_reg != rgb[i].green_reg ||
638 rgb[i].blue_reg != rgb[i].red_reg ||
639 rgb[i].blue_reg != rgb[i].green_reg) {
640 ret = false;
641 break;
642 }
643 }
644 return ret;
645 }
646
647