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 if (i >= TRANSFER_FUNC_POINTS)
182 return false;
183 rgb_resulted[j].red = output_tf->tf_pts.red[i];
184 rgb_resulted[j].green = output_tf->tf_pts.green[i];
185 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
186 j++;
187 }
188 }
189
190 /* last point */
191 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
192 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
193 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
194 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
195
196 rgb_resulted[hw_points].red = rgb_resulted[hw_points - 1].red;
197 rgb_resulted[hw_points].green = rgb_resulted[hw_points - 1].green;
198 rgb_resulted[hw_points].blue = rgb_resulted[hw_points - 1].blue;
199
200 // All 3 color channels have same x
201 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
202 dc_fixpt_from_int(region_start));
203 corner_points[0].green.x = corner_points[0].red.x;
204 corner_points[0].blue.x = corner_points[0].red.x;
205
206 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
207 dc_fixpt_from_int(region_end));
208 corner_points[1].green.x = corner_points[1].red.x;
209 corner_points[1].blue.x = corner_points[1].red.x;
210
211 corner_points[0].red.y = rgb_resulted[0].red;
212 corner_points[0].green.y = rgb_resulted[0].green;
213 corner_points[0].blue.y = rgb_resulted[0].blue;
214
215 corner_points[0].red.slope = dc_fixpt_div(corner_points[0].red.y,
216 corner_points[0].red.x);
217 corner_points[0].green.slope = dc_fixpt_div(corner_points[0].green.y,
218 corner_points[0].green.x);
219 corner_points[0].blue.slope = dc_fixpt_div(corner_points[0].blue.y,
220 corner_points[0].blue.x);
221
222 /* see comment above, m_arrPoints[1].y should be the Y value for the
223 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
224 */
225 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
226 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
227 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
228 corner_points[1].red.slope = dc_fixpt_zero;
229 corner_points[1].green.slope = dc_fixpt_zero;
230 corner_points[1].blue.slope = dc_fixpt_zero;
231
232 if (output_tf->tf == TRANSFER_FUNCTION_PQ || output_tf->tf == TRANSFER_FUNCTION_HLG) {
233 /* for PQ/HLG, we want to have a straight line from last HW X point,
234 * and the slope to be such that we hit 1.0 at 10000/1000 nits.
235 */
236
237 if (output_tf->tf == TRANSFER_FUNCTION_PQ)
238 end_value = dc_fixpt_from_int(125);
239 else
240 end_value = dc_fixpt_from_fraction(125, 10);
241
242 corner_points[1].red.slope = dc_fixpt_div(
243 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
244 dc_fixpt_sub(end_value, corner_points[1].red.x));
245 corner_points[1].green.slope = dc_fixpt_div(
246 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
247 dc_fixpt_sub(end_value, corner_points[1].green.x));
248 corner_points[1].blue.slope = dc_fixpt_div(
249 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
250 dc_fixpt_sub(end_value, corner_points[1].blue.x));
251 }
252 lut_params->hw_points_num = hw_points;
253
254 k = 0;
255 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
256 if (seg_distr[k] != -1) {
257 lut_params->arr_curve_points[k].segments_num =
258 seg_distr[k];
259 lut_params->arr_curve_points[i].offset =
260 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
261 }
262 k++;
263 }
264
265 if (seg_distr[k] != -1)
266 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
267
268 rgb = rgb_resulted;
269 rgb_plus_1 = rgb_resulted + 1;
270 rgb_minus_1 = rgb;
271
272 i = 1;
273 while (i != hw_points + 1) {
274 if (i >= hw_points - 1) {
275 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
276 rgb_plus_1->red = dc_fixpt_add(rgb->red, rgb_minus_1->delta_red);
277 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
278 rgb_plus_1->green = dc_fixpt_add(rgb->green, rgb_minus_1->delta_green);
279 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
280 rgb_plus_1->blue = dc_fixpt_add(rgb->blue, rgb_minus_1->delta_blue);
281 }
282
283 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
284 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
285 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
286
287 if (fixpoint == true) {
288 rgb->delta_red_reg = dc_fixpt_clamp_u0d10(rgb->delta_red);
289 rgb->delta_green_reg = dc_fixpt_clamp_u0d10(rgb->delta_green);
290 rgb->delta_blue_reg = dc_fixpt_clamp_u0d10(rgb->delta_blue);
291 rgb->red_reg = dc_fixpt_clamp_u0d14(rgb->red);
292 rgb->green_reg = dc_fixpt_clamp_u0d14(rgb->green);
293 rgb->blue_reg = dc_fixpt_clamp_u0d14(rgb->blue);
294 }
295
296 ++rgb_plus_1;
297 rgb_minus_1 = rgb;
298 ++rgb;
299 ++i;
300 }
301 cm3_helper_convert_to_custom_float(rgb_resulted,
302 lut_params->corner_points,
303 hw_points, fixpoint);
304
305 return true;
306 }
307
308 #define NUM_DEGAMMA_REGIONS 12
309
310
cm3_helper_translate_curve_to_degamma_hw_format(const struct dc_transfer_func * output_tf,struct pwl_params * lut_params)311 bool cm3_helper_translate_curve_to_degamma_hw_format(
312 const struct dc_transfer_func *output_tf,
313 struct pwl_params *lut_params)
314 {
315 struct curve_points3 *corner_points;
316 struct pwl_result_data *rgb_resulted;
317 struct pwl_result_data *rgb;
318 struct pwl_result_data *rgb_plus_1;
319
320 int32_t region_start, region_end;
321 int32_t i;
322 uint32_t j, k, seg_distr[MAX_REGIONS_NUMBER], increment, start_index, hw_points;
323
324 if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
325 return false;
326
327 corner_points = lut_params->corner_points;
328 rgb_resulted = lut_params->rgb_resulted;
329 hw_points = 0;
330
331 memset(lut_params, 0, sizeof(struct pwl_params));
332 memset(seg_distr, 0, sizeof(seg_distr));
333
334 region_start = -NUM_DEGAMMA_REGIONS;
335 region_end = 0;
336
337
338 for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++)
339 seg_distr[i] = -1;
340 /* 12 segments
341 * segments are from 2^-12 to 0
342 */
343 for (i = 0; i < NUM_DEGAMMA_REGIONS ; i++)
344 seg_distr[i] = 4;
345
346 for (k = 0; k < MAX_REGIONS_NUMBER; k++) {
347 if (seg_distr[k] != -1)
348 hw_points += (1 << seg_distr[k]);
349 }
350
351 j = 0;
352 for (k = 0; k < (region_end - region_start); k++) {
353 increment = NUMBER_SW_SEGMENTS / (1 << seg_distr[k]);
354 start_index = (region_start + k + MAX_LOW_POINT) *
355 NUMBER_SW_SEGMENTS;
356 for (i = start_index; i < start_index + NUMBER_SW_SEGMENTS;
357 i += increment) {
358 if (j == hw_points - 1)
359 break;
360 if (i >= TRANSFER_FUNC_POINTS)
361 return false;
362 rgb_resulted[j].red = output_tf->tf_pts.red[i];
363 rgb_resulted[j].green = output_tf->tf_pts.green[i];
364 rgb_resulted[j].blue = output_tf->tf_pts.blue[i];
365 j++;
366 }
367 }
368
369 /* last point */
370 start_index = (region_end + MAX_LOW_POINT) * NUMBER_SW_SEGMENTS;
371 rgb_resulted[hw_points - 1].red = output_tf->tf_pts.red[start_index];
372 rgb_resulted[hw_points - 1].green = output_tf->tf_pts.green[start_index];
373 rgb_resulted[hw_points - 1].blue = output_tf->tf_pts.blue[start_index];
374
375 corner_points[0].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
376 dc_fixpt_from_int(region_start));
377 corner_points[0].green.x = corner_points[0].red.x;
378 corner_points[0].blue.x = corner_points[0].red.x;
379 corner_points[1].red.x = dc_fixpt_pow(dc_fixpt_from_int(2),
380 dc_fixpt_from_int(region_end));
381 corner_points[1].green.x = corner_points[1].red.x;
382 corner_points[1].blue.x = corner_points[1].red.x;
383
384 corner_points[0].red.y = rgb_resulted[0].red;
385 corner_points[0].green.y = rgb_resulted[0].green;
386 corner_points[0].blue.y = rgb_resulted[0].blue;
387
388 /* see comment above, m_arrPoints[1].y should be the Y value for the
389 * region end (m_numOfHwPoints), not last HW point(m_numOfHwPoints - 1)
390 */
391 corner_points[1].red.y = rgb_resulted[hw_points - 1].red;
392 corner_points[1].green.y = rgb_resulted[hw_points - 1].green;
393 corner_points[1].blue.y = rgb_resulted[hw_points - 1].blue;
394 corner_points[1].red.slope = dc_fixpt_zero;
395 corner_points[1].green.slope = dc_fixpt_zero;
396 corner_points[1].blue.slope = dc_fixpt_zero;
397
398 if (output_tf->tf == TRANSFER_FUNCTION_PQ) {
399 /* for PQ, we want to have a straight line from last HW X point,
400 * and the slope to be such that we hit 1.0 at 10000 nits.
401 */
402 const struct fixed31_32 end_value =
403 dc_fixpt_from_int(125);
404
405 corner_points[1].red.slope = dc_fixpt_div(
406 dc_fixpt_sub(dc_fixpt_one, corner_points[1].red.y),
407 dc_fixpt_sub(end_value, corner_points[1].red.x));
408 corner_points[1].green.slope = dc_fixpt_div(
409 dc_fixpt_sub(dc_fixpt_one, corner_points[1].green.y),
410 dc_fixpt_sub(end_value, corner_points[1].green.x));
411 corner_points[1].blue.slope = dc_fixpt_div(
412 dc_fixpt_sub(dc_fixpt_one, corner_points[1].blue.y),
413 dc_fixpt_sub(end_value, corner_points[1].blue.x));
414 }
415
416 lut_params->hw_points_num = hw_points;
417
418 k = 0;
419 for (i = 1; i < MAX_REGIONS_NUMBER; i++) {
420 if (seg_distr[k] != -1) {
421 lut_params->arr_curve_points[k].segments_num =
422 seg_distr[k];
423 lut_params->arr_curve_points[i].offset =
424 lut_params->arr_curve_points[k].offset + (1 << seg_distr[k]);
425 }
426 k++;
427 }
428
429 if (seg_distr[k] != -1)
430 lut_params->arr_curve_points[k].segments_num = seg_distr[k];
431
432 rgb = rgb_resulted;
433 rgb_plus_1 = rgb_resulted + 1;
434
435 i = 1;
436 while (i != hw_points + 1) {
437 if (dc_fixpt_lt(rgb_plus_1->red, rgb->red))
438 rgb_plus_1->red = rgb->red;
439 if (dc_fixpt_lt(rgb_plus_1->green, rgb->green))
440 rgb_plus_1->green = rgb->green;
441 if (dc_fixpt_lt(rgb_plus_1->blue, rgb->blue))
442 rgb_plus_1->blue = rgb->blue;
443
444 rgb->delta_red = dc_fixpt_sub(rgb_plus_1->red, rgb->red);
445 rgb->delta_green = dc_fixpt_sub(rgb_plus_1->green, rgb->green);
446 rgb->delta_blue = dc_fixpt_sub(rgb_plus_1->blue, rgb->blue);
447
448 ++rgb_plus_1;
449 ++rgb;
450 ++i;
451 }
452 cm3_helper_convert_to_custom_float(rgb_resulted,
453 lut_params->corner_points,
454 hw_points, false);
455
456 return true;
457 }
458
cm3_helper_convert_to_custom_float(struct pwl_result_data * rgb_resulted,struct curve_points3 * corner_points,uint32_t hw_points_num,bool fixpoint)459 bool cm3_helper_convert_to_custom_float(
460 struct pwl_result_data *rgb_resulted,
461 struct curve_points3 *corner_points,
462 uint32_t hw_points_num,
463 bool fixpoint)
464 {
465 struct custom_float_format fmt;
466
467 struct pwl_result_data *rgb = rgb_resulted;
468
469 uint32_t i = 0;
470
471 fmt.exponenta_bits = 6;
472 fmt.mantissa_bits = 12;
473 fmt.sign = false;
474
475 /* corner_points[0] - beginning base, slope offset for R,G,B
476 * corner_points[1] - end base, slope offset for R,G,B
477 */
478 if (!convert_to_custom_float_format(corner_points[0].red.x, &fmt,
479 &corner_points[0].red.custom_float_x)) {
480 BREAK_TO_DEBUGGER();
481 return false;
482 }
483 if (!convert_to_custom_float_format(corner_points[0].green.x, &fmt,
484 &corner_points[0].green.custom_float_x)) {
485 BREAK_TO_DEBUGGER();
486 return false;
487 }
488 if (!convert_to_custom_float_format(corner_points[0].blue.x, &fmt,
489 &corner_points[0].blue.custom_float_x)) {
490 BREAK_TO_DEBUGGER();
491 return false;
492 }
493
494 if (!convert_to_custom_float_format(corner_points[0].red.offset, &fmt,
495 &corner_points[0].red.custom_float_offset)) {
496 BREAK_TO_DEBUGGER();
497 return false;
498 }
499 if (!convert_to_custom_float_format(corner_points[0].green.offset, &fmt,
500 &corner_points[0].green.custom_float_offset)) {
501 BREAK_TO_DEBUGGER();
502 return false;
503 }
504 if (!convert_to_custom_float_format(corner_points[0].blue.offset, &fmt,
505 &corner_points[0].blue.custom_float_offset)) {
506 BREAK_TO_DEBUGGER();
507 return false;
508 }
509
510 if (!convert_to_custom_float_format(corner_points[0].red.slope, &fmt,
511 &corner_points[0].red.custom_float_slope)) {
512 BREAK_TO_DEBUGGER();
513 return false;
514 }
515 if (!convert_to_custom_float_format(corner_points[0].green.slope, &fmt,
516 &corner_points[0].green.custom_float_slope)) {
517 BREAK_TO_DEBUGGER();
518 return false;
519 }
520 if (!convert_to_custom_float_format(corner_points[0].blue.slope, &fmt,
521 &corner_points[0].blue.custom_float_slope)) {
522 BREAK_TO_DEBUGGER();
523 return false;
524 }
525
526 if (fixpoint == true) {
527 corner_points[1].red.custom_float_y =
528 dc_fixpt_clamp_u0d14(corner_points[1].red.y);
529 corner_points[1].green.custom_float_y =
530 dc_fixpt_clamp_u0d14(corner_points[1].green.y);
531 corner_points[1].blue.custom_float_y =
532 dc_fixpt_clamp_u0d14(corner_points[1].blue.y);
533 } else {
534 if (!convert_to_custom_float_format(corner_points[1].red.y,
535 &fmt, &corner_points[1].red.custom_float_y)) {
536 BREAK_TO_DEBUGGER();
537 return false;
538 }
539 if (!convert_to_custom_float_format(corner_points[1].green.y,
540 &fmt, &corner_points[1].green.custom_float_y)) {
541 BREAK_TO_DEBUGGER();
542 return false;
543 }
544 if (!convert_to_custom_float_format(corner_points[1].blue.y,
545 &fmt, &corner_points[1].blue.custom_float_y)) {
546 BREAK_TO_DEBUGGER();
547 return false;
548 }
549 }
550
551 fmt.mantissa_bits = 10;
552 fmt.sign = false;
553
554 if (!convert_to_custom_float_format(corner_points[1].red.x, &fmt,
555 &corner_points[1].red.custom_float_x)) {
556 BREAK_TO_DEBUGGER();
557 return false;
558 }
559 if (!convert_to_custom_float_format(corner_points[1].green.x, &fmt,
560 &corner_points[1].green.custom_float_x)) {
561 BREAK_TO_DEBUGGER();
562 return false;
563 }
564 if (!convert_to_custom_float_format(corner_points[1].blue.x, &fmt,
565 &corner_points[1].blue.custom_float_x)) {
566 BREAK_TO_DEBUGGER();
567 return false;
568 }
569
570 if (!convert_to_custom_float_format(corner_points[1].red.slope, &fmt,
571 &corner_points[1].red.custom_float_slope)) {
572 BREAK_TO_DEBUGGER();
573 return false;
574 }
575 if (!convert_to_custom_float_format(corner_points[1].green.slope, &fmt,
576 &corner_points[1].green.custom_float_slope)) {
577 BREAK_TO_DEBUGGER();
578 return false;
579 }
580 if (!convert_to_custom_float_format(corner_points[1].blue.slope, &fmt,
581 &corner_points[1].blue.custom_float_slope)) {
582 BREAK_TO_DEBUGGER();
583 return false;
584 }
585
586 if (hw_points_num == 0 || rgb_resulted == NULL || fixpoint == true)
587 return true;
588
589 fmt.mantissa_bits = 12;
590
591 while (i != hw_points_num) {
592 if (!convert_to_custom_float_format(rgb->red, &fmt,
593 &rgb->red_reg)) {
594 BREAK_TO_DEBUGGER();
595 return false;
596 }
597
598 if (!convert_to_custom_float_format(rgb->green, &fmt,
599 &rgb->green_reg)) {
600 BREAK_TO_DEBUGGER();
601 return false;
602 }
603
604 if (!convert_to_custom_float_format(rgb->blue, &fmt,
605 &rgb->blue_reg)) {
606 BREAK_TO_DEBUGGER();
607 return false;
608 }
609
610 if (!convert_to_custom_float_format(rgb->delta_red, &fmt,
611 &rgb->delta_red_reg)) {
612 BREAK_TO_DEBUGGER();
613 return false;
614 }
615
616 if (!convert_to_custom_float_format(rgb->delta_green, &fmt,
617 &rgb->delta_green_reg)) {
618 BREAK_TO_DEBUGGER();
619 return false;
620 }
621
622 if (!convert_to_custom_float_format(rgb->delta_blue, &fmt,
623 &rgb->delta_blue_reg)) {
624 BREAK_TO_DEBUGGER();
625 return false;
626 }
627
628 ++rgb;
629 ++i;
630 }
631
632 return true;
633 }
634
is_rgb_equal(const struct pwl_result_data * rgb,uint32_t num)635 bool is_rgb_equal(const struct pwl_result_data *rgb, uint32_t num)
636 {
637 uint32_t i;
638 bool ret = true;
639
640 for (i = 0 ; i < num; i++) {
641 if (rgb[i].red_reg != rgb[i].green_reg ||
642 rgb[i].blue_reg != rgb[i].red_reg ||
643 rgb[i].blue_reg != rgb[i].green_reg) {
644 ret = false;
645 break;
646 }
647 }
648 return ret;
649 }
650
651