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 
33 #define REG(reg)\
34 	dpp->tf_regs->reg
35 
36 #define CTX \
37 	dpp->base.ctx
38 
39 #undef FN
40 #define FN(reg_name, field_name) \
41 	dpp->tf_shift->field_name, dpp->tf_mask->field_name
42 
43 
44 void dpp30_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s)
45 {
46 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
47 
48 	REG_GET(DPP_CONTROL,
49 			DPP_CLOCK_ENABLE, &s->is_enabled);
50 
51 	// TODO: Implement for DCN3
52 }
53 /*program post scaler scs block in dpp CM*/
54 void dpp3_program_post_csc(
55 		struct dpp *dpp_base,
56 		enum dc_color_space color_space,
57 		enum dcn10_input_csc_select input_select,
58 		const struct out_csc_color_matrix *tbl_entry)
59 {
60 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
61 	int i;
62 	int arr_size = sizeof(dpp_input_csc_matrix)/sizeof(struct dpp_input_csc_matrix);
63 	const uint16_t *regval = NULL;
64 	uint32_t cur_select = 0;
65 	enum dcn10_input_csc_select select;
66 	struct color_matrices_reg gam_regs;
67 
68 	if (input_select == INPUT_CSC_SELECT_BYPASS) {
69 		REG_SET(CM_POST_CSC_CONTROL, 0, CM_POST_CSC_MODE, 0);
70 		return;
71 	}
72 
73 	if (tbl_entry == NULL) {
74 		for (i = 0; i < arr_size; i++)
75 			if (dpp_input_csc_matrix[i].color_space == color_space) {
76 				regval = dpp_input_csc_matrix[i].regval;
77 				break;
78 			}
79 
80 		if (regval == NULL) {
81 			BREAK_TO_DEBUGGER();
82 			return;
83 		}
84 	} else {
85 		regval = tbl_entry->regval;
86 	}
87 
88 	/* determine which CSC matrix (icsc or coma) we are using
89 	 * currently.  select the alternate set to double buffer
90 	 * the CSC update so CSC is updated on frame boundary
91 	 */
92 	REG_GET(CM_POST_CSC_CONTROL,
93 			CM_POST_CSC_MODE_CURRENT, &cur_select);
94 
95 	if (cur_select != INPUT_CSC_SELECT_ICSC)
96 		select = INPUT_CSC_SELECT_ICSC;
97 	else
98 		select = INPUT_CSC_SELECT_COMA;
99 
100 	gam_regs.shifts.csc_c11 = dpp->tf_shift->CM_POST_CSC_C11;
101 	gam_regs.masks.csc_c11  = dpp->tf_mask->CM_POST_CSC_C11;
102 	gam_regs.shifts.csc_c12 = dpp->tf_shift->CM_POST_CSC_C12;
103 	gam_regs.masks.csc_c12 = dpp->tf_mask->CM_POST_CSC_C12;
104 
105 	if (select == INPUT_CSC_SELECT_ICSC) {
106 
107 		gam_regs.csc_c11_c12 = REG(CM_POST_CSC_C11_C12);
108 		gam_regs.csc_c33_c34 = REG(CM_POST_CSC_C33_C34);
109 
110 	} else {
111 
112 		gam_regs.csc_c11_c12 = REG(CM_POST_CSC_B_C11_C12);
113 		gam_regs.csc_c33_c34 = REG(CM_POST_CSC_B_C33_C34);
114 
115 	}
116 
117 	cm_helper_program_color_matrices(
118 			dpp->base.ctx,
119 			regval,
120 			&gam_regs);
121 
122 	REG_SET(CM_POST_CSC_CONTROL, 0,
123 			CM_POST_CSC_MODE, select);
124 }
125 
126 
127 /*CNVC degam unit has read only LUTs*/
128 void dpp3_set_pre_degam(struct dpp *dpp_base, enum dc_transfer_func_predefined tr)
129 {
130 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
131 	int pre_degam_en = 1;
132 	int degamma_lut_selection = 0;
133 
134 	switch (tr) {
135 	case TRANSFER_FUNCTION_LINEAR:
136 	case TRANSFER_FUNCTION_UNITY:
137 		pre_degam_en = 0; //bypass
138 		break;
139 	case TRANSFER_FUNCTION_SRGB:
140 		degamma_lut_selection = 0;
141 		break;
142 	case TRANSFER_FUNCTION_BT709:
143 		degamma_lut_selection = 4;
144 		break;
145 	case TRANSFER_FUNCTION_PQ:
146 		degamma_lut_selection = 5;
147 		break;
148 	case TRANSFER_FUNCTION_HLG:
149 		degamma_lut_selection = 6;
150 		break;
151 	case TRANSFER_FUNCTION_GAMMA22:
152 		degamma_lut_selection = 1;
153 		break;
154 	case TRANSFER_FUNCTION_GAMMA24:
155 		degamma_lut_selection = 2;
156 		break;
157 	case TRANSFER_FUNCTION_GAMMA26:
158 		degamma_lut_selection = 3;
159 		break;
160 	default:
161 		pre_degam_en = 0;
162 		break;
163 	}
164 
165 	REG_SET_2(PRE_DEGAM, 0,
166 			PRE_DEGAM_MODE, pre_degam_en,
167 			PRE_DEGAM_SELECT, degamma_lut_selection);
168 }
169 
170 void dpp3_cnv_setup (
171 		struct dpp *dpp_base,
172 		enum surface_pixel_format format,
173 		enum expansion_mode mode,
174 		struct dc_csc_transform input_csc_color_matrix,
175 		enum dc_color_space input_color_space,
176 		struct cnv_alpha_2bit_lut *alpha_2bit_lut)
177 {
178 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
179 	uint32_t pixel_format = 0;
180 	uint32_t alpha_en = 1;
181 	enum dc_color_space color_space = COLOR_SPACE_SRGB;
182 	enum dcn10_input_csc_select select = INPUT_CSC_SELECT_BYPASS;
183 	bool force_disable_cursor = false;
184 	uint32_t is_2bit = 0;
185 	uint32_t alpha_plane_enable = 0;
186 	uint32_t dealpha_en = 0, dealpha_ablnd_en = 0;
187 	uint32_t realpha_en = 0, realpha_ablnd_en = 0;
188 	uint32_t program_prealpha_dealpha = 0;
189 	struct out_csc_color_matrix tbl_entry;
190 	int i;
191 
192 	REG_SET_2(FORMAT_CONTROL, 0,
193 		CNVC_BYPASS, 0,
194 		FORMAT_EXPANSION_MODE, mode);
195 
196 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CNV16, 0);
197 	REG_UPDATE(FORMAT_CONTROL, CNVC_BYPASS_MSB_ALIGN, 0);
198 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE, 0);
199 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE_C, 0);
200 
201 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_R, 0);
202 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_G, 1);
203 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_B, 2);
204 
205 	switch (format) {
206 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
207 		pixel_format = 1;
208 		break;
209 	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
210 		pixel_format = 3;
211 		alpha_en = 0;
212 		break;
213 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
214 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
215 		pixel_format = 8;
216 		break;
217 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
218 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
219 		pixel_format = 10;
220 		is_2bit = 1;
221 		break;
222 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
223 		force_disable_cursor = false;
224 		pixel_format = 65;
225 		color_space = COLOR_SPACE_YCBCR709;
226 		select = INPUT_CSC_SELECT_ICSC;
227 		break;
228 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
229 		force_disable_cursor = true;
230 		pixel_format = 64;
231 		color_space = COLOR_SPACE_YCBCR709;
232 		select = INPUT_CSC_SELECT_ICSC;
233 		break;
234 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
235 		force_disable_cursor = true;
236 		pixel_format = 67;
237 		color_space = COLOR_SPACE_YCBCR709;
238 		select = INPUT_CSC_SELECT_ICSC;
239 		break;
240 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
241 		force_disable_cursor = true;
242 		pixel_format = 66;
243 		color_space = COLOR_SPACE_YCBCR709;
244 		select = INPUT_CSC_SELECT_ICSC;
245 		break;
246 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
247 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
248 		pixel_format = 26; /* ARGB16161616_UNORM */
249 		break;
250 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
251 		pixel_format = 24;
252 		break;
253 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
254 		pixel_format = 25;
255 		break;
256 	case SURFACE_PIXEL_FORMAT_VIDEO_AYCrCb8888:
257 		pixel_format = 12;
258 		color_space = COLOR_SPACE_YCBCR709;
259 		select = INPUT_CSC_SELECT_ICSC;
260 		break;
261 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
262 		pixel_format = 112;
263 		break;
264 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
265 		pixel_format = 113;
266 		break;
267 	case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
268 		pixel_format = 114;
269 		color_space = COLOR_SPACE_YCBCR709;
270 		select = INPUT_CSC_SELECT_ICSC;
271 		is_2bit = 1;
272 		break;
273 	case SURFACE_PIXEL_FORMAT_VIDEO_CrYCbA1010102:
274 		pixel_format = 115;
275 		color_space = COLOR_SPACE_YCBCR709;
276 		select = INPUT_CSC_SELECT_ICSC;
277 		is_2bit = 1;
278 		break;
279 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE:
280 		pixel_format = 116;
281 		alpha_plane_enable = 0;
282 		break;
283 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
284 		pixel_format = 116;
285 		alpha_plane_enable = 1;
286 		break;
287 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
288 		pixel_format = 118;
289 		break;
290 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
291 		pixel_format = 119;
292 		break;
293 	default:
294 		break;
295 	}
296 
297 	/* Set default color space based on format if none is given. */
298 	color_space = input_color_space ? input_color_space : color_space;
299 
300 	if (is_2bit == 1 && alpha_2bit_lut != NULL) {
301 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
302 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1);
303 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT2, alpha_2bit_lut->lut2);
304 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT3, alpha_2bit_lut->lut3);
305 	}
306 
307 	REG_SET_2(CNVC_SURFACE_PIXEL_FORMAT, 0,
308 			CNVC_SURFACE_PIXEL_FORMAT, pixel_format,
309 			CNVC_ALPHA_PLANE_ENABLE, alpha_plane_enable);
310 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
311 
312 	if (program_prealpha_dealpha) {
313 		dealpha_en = 1;
314 		realpha_en = 1;
315 	}
316 	REG_SET_2(PRE_DEALPHA, 0,
317 			PRE_DEALPHA_EN, dealpha_en,
318 			PRE_DEALPHA_ABLND_EN, dealpha_ablnd_en);
319 	REG_SET_2(PRE_REALPHA, 0,
320 			PRE_REALPHA_EN, realpha_en,
321 			PRE_REALPHA_ABLND_EN, realpha_ablnd_en);
322 
323 	/* If input adjustment exists, program the ICSC with those values. */
324 	if (input_csc_color_matrix.enable_adjustment == true) {
325 		for (i = 0; i < 12; i++)
326 			tbl_entry.regval[i] = input_csc_color_matrix.matrix[i];
327 
328 		tbl_entry.color_space = input_color_space;
329 
330 		if (color_space >= COLOR_SPACE_YCBCR601)
331 			select = INPUT_CSC_SELECT_ICSC;
332 		else
333 			select = INPUT_CSC_SELECT_BYPASS;
334 
335 		dpp3_program_post_csc(dpp_base, color_space, select,
336 				      &tbl_entry);
337 	} else {
338 		dpp3_program_post_csc(dpp_base, color_space, select, NULL);
339 	}
340 
341 	if (force_disable_cursor) {
342 		REG_UPDATE(CURSOR_CONTROL,
343 				CURSOR_ENABLE, 0);
344 		REG_UPDATE(CURSOR0_CONTROL,
345 				CUR0_ENABLE, 0);
346 	}
347 }
348 
349 #define IDENTITY_RATIO(ratio) (dc_fixpt_u3d19(ratio) == (1 << 19))
350 
351 void dpp3_set_cursor_attributes(
352 		struct dpp *dpp_base,
353 		struct dc_cursor_attributes *cursor_attributes)
354 {
355 	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
356 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
357 	int cur_rom_en = 0;
358 
359 	if (color_format == CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA ||
360 		color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA) {
361 		if (cursor_attributes->attribute_flags.bits.ENABLE_CURSOR_DEGAMMA) {
362 			cur_rom_en = 1;
363 		}
364 	}
365 
366 	REG_UPDATE_3(CURSOR0_CONTROL,
367 			CUR0_MODE, color_format,
368 			CUR0_EXPANSION_MODE, 0,
369 			CUR0_ROM_EN, cur_rom_en);
370 
371 	if (color_format == CURSOR_MODE_MONO) {
372 		/* todo: clarify what to program these to */
373 		REG_UPDATE(CURSOR0_COLOR0,
374 				CUR0_COLOR0, 0x00000000);
375 		REG_UPDATE(CURSOR0_COLOR1,
376 				CUR0_COLOR1, 0xFFFFFFFF);
377 	}
378 
379 	dpp_base->att.cur0_ctl.bits.expansion_mode = 0;
380 	dpp_base->att.cur0_ctl.bits.cur0_rom_en = cur_rom_en;
381 	dpp_base->att.cur0_ctl.bits.mode = color_format;
382 }
383 
384 
385 bool dpp3_get_optimal_number_of_taps(
386 		struct dpp *dpp,
387 		struct scaler_data *scl_data,
388 		const struct scaling_taps *in_taps)
389 {
390 	int num_part_y, num_part_c;
391 	int max_taps_y, max_taps_c;
392 	int min_taps_y, min_taps_c;
393 	enum lb_memory_config lb_config;
394 
395 	if (scl_data->viewport.width > scl_data->h_active &&
396 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
397 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
398 		return false;
399 
400 	/*
401 	 * Set default taps if none are provided
402 	 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling
403 	 * taps = 4 for upscaling
404 	 */
405 	if (in_taps->h_taps == 0) {
406 		if (dc_fixpt_ceil(scl_data->ratios.horz) > 1)
407 			scl_data->taps.h_taps = min(2 * dc_fixpt_ceil(scl_data->ratios.horz), 8);
408 		else
409 			scl_data->taps.h_taps = 4;
410 	} else
411 		scl_data->taps.h_taps = in_taps->h_taps;
412 	if (in_taps->v_taps == 0) {
413 		if (dc_fixpt_ceil(scl_data->ratios.vert) > 1)
414 			scl_data->taps.v_taps = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert, 2)), 8);
415 		else
416 			scl_data->taps.v_taps = 4;
417 	} else
418 		scl_data->taps.v_taps = in_taps->v_taps;
419 	if (in_taps->v_taps_c == 0) {
420 		if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 1)
421 			scl_data->taps.v_taps_c = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert_c, 2)), 8);
422 		else
423 			scl_data->taps.v_taps_c = 4;
424 	} else
425 		scl_data->taps.v_taps_c = in_taps->v_taps_c;
426 	if (in_taps->h_taps_c == 0) {
427 		if (dc_fixpt_ceil(scl_data->ratios.horz_c) > 1)
428 			scl_data->taps.h_taps_c = min(2 * dc_fixpt_ceil(scl_data->ratios.horz_c), 8);
429 		else
430 			scl_data->taps.h_taps_c = 4;
431 	} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
432 		/* Only 1 and even h_taps_c are supported by hw */
433 		scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
434 	else
435 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
436 
437 	/*Ensure we can support the requested number of vtaps*/
438 	min_taps_y = dc_fixpt_ceil(scl_data->ratios.vert);
439 	min_taps_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
440 
441 	/* Use LB_MEMORY_CONFIG_3 for 4:2:0 */
442 	if ((scl_data->format == PIXEL_FORMAT_420BPP8) || (scl_data->format == PIXEL_FORMAT_420BPP10))
443 		lb_config = LB_MEMORY_CONFIG_3;
444 	else
445 		lb_config = LB_MEMORY_CONFIG_0;
446 
447 	dpp->caps->dscl_calc_lb_num_partitions(
448 			scl_data, lb_config, &num_part_y, &num_part_c);
449 
450 	/* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */
451 	if (dc_fixpt_ceil(scl_data->ratios.vert) > 2)
452 		max_taps_y = num_part_y - (dc_fixpt_ceil(scl_data->ratios.vert) - 2);
453 	else
454 		max_taps_y = num_part_y;
455 
456 	if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 2)
457 		max_taps_c = num_part_c - (dc_fixpt_ceil(scl_data->ratios.vert_c) - 2);
458 	else
459 		max_taps_c = num_part_c;
460 
461 	if (max_taps_y < min_taps_y)
462 		return false;
463 	else if (max_taps_c < min_taps_c)
464 		return false;
465 
466 	if (scl_data->taps.v_taps > max_taps_y)
467 		scl_data->taps.v_taps = max_taps_y;
468 
469 	if (scl_data->taps.v_taps_c > max_taps_c)
470 		scl_data->taps.v_taps_c = max_taps_c;
471 
472 	if (!dpp->ctx->dc->debug.always_scale) {
473 		if (IDENTITY_RATIO(scl_data->ratios.horz))
474 			scl_data->taps.h_taps = 1;
475 		if (IDENTITY_RATIO(scl_data->ratios.vert))
476 			scl_data->taps.v_taps = 1;
477 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
478 			scl_data->taps.h_taps_c = 1;
479 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
480 			scl_data->taps.v_taps_c = 1;
481 	}
482 
483 	return true;
484 }
485 
486 static void dpp3_deferred_update(struct dpp *dpp_base)
487 {
488 	int bypass_state;
489 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
490 
491 	if (dpp_base->deferred_reg_writes.bits.disable_dscl) {
492 		REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 3);
493 		dpp_base->deferred_reg_writes.bits.disable_dscl = false;
494 	}
495 
496 	if (dpp_base->deferred_reg_writes.bits.disable_gamcor) {
497 		REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_MODE_CURRENT, &bypass_state);
498 		if (bypass_state == 0) {	// only program if bypass was latched
499 			REG_UPDATE(CM_MEM_PWR_CTRL, GAMCOR_MEM_PWR_FORCE, 3);
500 		} else
501 			ASSERT(0); // LUT select was updated again before vupdate
502 		dpp_base->deferred_reg_writes.bits.disable_gamcor = false;
503 	}
504 
505 	if (dpp_base->deferred_reg_writes.bits.disable_blnd_lut) {
506 		REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &bypass_state);
507 		if (bypass_state == 0) {	// only program if bypass was latched
508 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 3);
509 		} else
510 			ASSERT(0); // LUT select was updated again before vupdate
511 		dpp_base->deferred_reg_writes.bits.disable_blnd_lut = false;
512 	}
513 
514 	if (dpp_base->deferred_reg_writes.bits.disable_3dlut) {
515 		REG_GET(CM_3DLUT_MODE, CM_3DLUT_MODE_CURRENT, &bypass_state);
516 		if (bypass_state == 0) {	// only program if bypass was latched
517 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 3);
518 		} else
519 			ASSERT(0); // LUT select was updated again before vupdate
520 		dpp_base->deferred_reg_writes.bits.disable_3dlut = false;
521 	}
522 
523 	if (dpp_base->deferred_reg_writes.bits.disable_shaper) {
524 		REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &bypass_state);
525 		if (bypass_state == 0) {	// only program if bypass was latched
526 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 3);
527 		} else
528 			ASSERT(0); // LUT select was updated again before vupdate
529 		dpp_base->deferred_reg_writes.bits.disable_shaper = false;
530 	}
531 }
532 
533 static void dpp3_power_on_blnd_lut(
534 	struct dpp *dpp_base,
535 	bool power_on)
536 {
537 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
538 
539 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
540 		if (power_on) {
541 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 0);
542 			REG_WAIT(CM_MEM_PWR_STATUS, BLNDGAM_MEM_PWR_STATE, 0, 1, 5);
543 		} else {
544 			dpp_base->ctx->dc->optimized_required = true;
545 			dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;
546 		}
547 	} else {
548 		REG_SET(CM_MEM_PWR_CTRL, 0,
549 				BLNDGAM_MEM_PWR_FORCE, power_on == true ? 0 : 1);
550 	}
551 }
552 
553 static void dpp3_power_on_hdr3dlut(
554 	struct dpp *dpp_base,
555 	bool power_on)
556 {
557 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
558 
559 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
560 		if (power_on) {
561 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 0);
562 			REG_WAIT(CM_MEM_PWR_STATUS2, HDR3DLUT_MEM_PWR_STATE, 0, 1, 5);
563 		} else {
564 			dpp_base->ctx->dc->optimized_required = true;
565 			dpp_base->deferred_reg_writes.bits.disable_3dlut = true;
566 		}
567 	}
568 }
569 
570 static void dpp3_power_on_shaper(
571 	struct dpp *dpp_base,
572 	bool power_on)
573 {
574 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
575 
576 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
577 		if (power_on) {
578 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 0);
579 			REG_WAIT(CM_MEM_PWR_STATUS2, SHAPER_MEM_PWR_STATE, 0, 1, 5);
580 		} else {
581 			dpp_base->ctx->dc->optimized_required = true;
582 			dpp_base->deferred_reg_writes.bits.disable_shaper = true;
583 		}
584 	}
585 }
586 
587 static void dpp3_configure_blnd_lut(
588 		struct dpp *dpp_base,
589 		bool is_ram_a)
590 {
591 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
592 
593 	REG_UPDATE_2(CM_BLNDGAM_LUT_CONTROL,
594 			CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 7,
595 			CM_BLNDGAM_LUT_HOST_SEL, is_ram_a == true ? 0 : 1);
596 
597 	REG_SET(CM_BLNDGAM_LUT_INDEX, 0, CM_BLNDGAM_LUT_INDEX, 0);
598 }
599 
600 static void dpp3_program_blnd_pwl(
601 		struct dpp *dpp_base,
602 		const struct pwl_result_data *rgb,
603 		uint32_t num)
604 {
605 	uint32_t i;
606 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
607 	uint32_t last_base_value_red = rgb[num-1].red_reg + rgb[num-1].delta_red_reg;
608 	uint32_t last_base_value_green = rgb[num-1].green_reg + rgb[num-1].delta_green_reg;
609 	uint32_t last_base_value_blue = rgb[num-1].blue_reg + rgb[num-1].delta_blue_reg;
610 
611 	if (is_rgb_equal(rgb, num)) {
612 		for (i = 0 ; i < num; i++)
613 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
614 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
615 	} else {
616 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 4);
617 		for (i = 0 ; i < num; i++)
618 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
619 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
620 
621 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 2);
622 		for (i = 0 ; i < num; i++)
623 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].green_reg);
624 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_green);
625 
626 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 1);
627 		for (i = 0 ; i < num; i++)
628 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].blue_reg);
629 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_blue);
630 	}
631 }
632 
633 static void dcn3_dpp_cm_get_reg_field(
634 		struct dcn3_dpp *dpp,
635 		struct dcn3_xfer_func_reg *reg)
636 {
637 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
638 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
639 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
640 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
641 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
642 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
643 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
644 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
645 
646 	reg->shifts.field_region_end = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
647 	reg->masks.field_region_end = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
648 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
649 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
650 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
651 	reg->masks.field_region_end_base = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
652 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
653 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
654 	reg->shifts.exp_region_start = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
655 	reg->masks.exp_region_start = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
656 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
657 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
658 }
659 
660 /*program blnd lut RAM A*/
661 static void dpp3_program_blnd_luta_settings(
662 		struct dpp *dpp_base,
663 		const struct pwl_params *params)
664 {
665 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
666 	struct dcn3_xfer_func_reg gam_regs;
667 
668 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
669 
670 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMA_START_CNTL_B);
671 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMA_START_CNTL_G);
672 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMA_START_CNTL_R);
673 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_B);
674 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_G);
675 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_R);
676 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMA_END_CNTL1_B);
677 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMA_END_CNTL2_B);
678 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMA_END_CNTL1_G);
679 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMA_END_CNTL2_G);
680 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMA_END_CNTL1_R);
681 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMA_END_CNTL2_R);
682 	gam_regs.region_start = REG(CM_BLNDGAM_RAMA_REGION_0_1);
683 	gam_regs.region_end = REG(CM_BLNDGAM_RAMA_REGION_32_33);
684 
685 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
686 }
687 
688 /*program blnd lut RAM B*/
689 static void dpp3_program_blnd_lutb_settings(
690 		struct dpp *dpp_base,
691 		const struct pwl_params *params)
692 {
693 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
694 	struct dcn3_xfer_func_reg gam_regs;
695 
696 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
697 
698 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMB_START_CNTL_B);
699 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMB_START_CNTL_G);
700 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMB_START_CNTL_R);
701 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_B);
702 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_G);
703 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_R);
704 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMB_END_CNTL1_B);
705 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMB_END_CNTL2_B);
706 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMB_END_CNTL1_G);
707 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMB_END_CNTL2_G);
708 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMB_END_CNTL1_R);
709 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMB_END_CNTL2_R);
710 	gam_regs.region_start = REG(CM_BLNDGAM_RAMB_REGION_0_1);
711 	gam_regs.region_end = REG(CM_BLNDGAM_RAMB_REGION_32_33);
712 
713 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
714 }
715 
716 static enum dc_lut_mode dpp3_get_blndgam_current(struct dpp *dpp_base)
717 {
718 	enum dc_lut_mode mode;
719 	uint32_t mode_current = 0;
720 	uint32_t in_use = 0;
721 
722 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
723 
724 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &mode_current);
725 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &in_use);
726 
727 	switch (mode_current) {
728 	case 0:
729 	case 1:
730 		mode = LUT_BYPASS;
731 		break;
732 
733 	case 2:
734 		if (in_use == 0)
735 			mode = LUT_RAM_A;
736 		else
737 			mode = LUT_RAM_B;
738 		break;
739 	default:
740 		mode = LUT_BYPASS;
741 		break;
742 	}
743 
744 	return mode;
745 }
746 
747 static bool dpp3_program_blnd_lut(struct dpp *dpp_base,
748 				  const struct pwl_params *params)
749 {
750 	enum dc_lut_mode current_mode;
751 	enum dc_lut_mode next_mode;
752 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
753 
754 	if (params == NULL) {
755 		REG_SET(CM_BLNDGAM_CONTROL, 0, CM_BLNDGAM_MODE, 0);
756 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
757 			dpp3_power_on_blnd_lut(dpp_base, false);
758 		return false;
759 	}
760 
761 	current_mode = dpp3_get_blndgam_current(dpp_base);
762 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_B)
763 		next_mode = LUT_RAM_A;
764 	else
765 		next_mode = LUT_RAM_B;
766 
767 	dpp3_power_on_blnd_lut(dpp_base, true);
768 	dpp3_configure_blnd_lut(dpp_base, next_mode == LUT_RAM_A);
769 
770 	if (next_mode == LUT_RAM_A)
771 		dpp3_program_blnd_luta_settings(dpp_base, params);
772 	else
773 		dpp3_program_blnd_lutb_settings(dpp_base, params);
774 
775 	dpp3_program_blnd_pwl(
776 			dpp_base, params->rgb_resulted, params->hw_points_num);
777 
778 	REG_UPDATE_2(CM_BLNDGAM_CONTROL,
779 			CM_BLNDGAM_MODE, 2,
780 			CM_BLNDGAM_SELECT, next_mode == LUT_RAM_A ? 0 : 1);
781 
782 	return true;
783 }
784 
785 
786 static void dpp3_program_shaper_lut(
787 		struct dpp *dpp_base,
788 		const struct pwl_result_data *rgb,
789 		uint32_t num)
790 {
791 	uint32_t i, red, green, blue;
792 	uint32_t  red_delta, green_delta, blue_delta;
793 	uint32_t  red_value, green_value, blue_value;
794 
795 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
796 
797 	for (i = 0 ; i < num; i++) {
798 
799 		red   = rgb[i].red_reg;
800 		green = rgb[i].green_reg;
801 		blue  = rgb[i].blue_reg;
802 
803 		red_delta   = rgb[i].delta_red_reg;
804 		green_delta = rgb[i].delta_green_reg;
805 		blue_delta  = rgb[i].delta_blue_reg;
806 
807 		red_value   = ((red_delta   & 0x3ff) << 14) | (red   & 0x3fff);
808 		green_value = ((green_delta & 0x3ff) << 14) | (green & 0x3fff);
809 		blue_value  = ((blue_delta  & 0x3ff) << 14) | (blue  & 0x3fff);
810 
811 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, red_value);
812 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, green_value);
813 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, blue_value);
814 	}
815 
816 }
817 
818 static enum dc_lut_mode dpp3_get_shaper_current(struct dpp *dpp_base)
819 {
820 	enum dc_lut_mode mode;
821 	uint32_t state_mode;
822 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
823 
824 	REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &state_mode);
825 
826 	switch (state_mode) {
827 	case 0:
828 		mode = LUT_BYPASS;
829 		break;
830 	case 1:
831 		mode = LUT_RAM_A;
832 		break;
833 	case 2:
834 		mode = LUT_RAM_B;
835 		break;
836 	default:
837 		mode = LUT_BYPASS;
838 		break;
839 	}
840 
841 	return mode;
842 }
843 
844 static void dpp3_configure_shaper_lut(
845 		struct dpp *dpp_base,
846 		bool is_ram_a)
847 {
848 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
849 
850 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
851 			CM_SHAPER_LUT_WRITE_EN_MASK, 7);
852 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
853 			CM_SHAPER_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
854 	REG_SET(CM_SHAPER_LUT_INDEX, 0, CM_SHAPER_LUT_INDEX, 0);
855 }
856 
857 /*program shaper RAM A*/
858 
859 static void dpp3_program_shaper_luta_settings(
860 		struct dpp *dpp_base,
861 		const struct pwl_params *params)
862 {
863 	const struct gamma_curve *curve;
864 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
865 
866 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_B, 0,
867 		CM_SHAPER_RAMA_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
868 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_B, 0);
869 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_G, 0,
870 		CM_SHAPER_RAMA_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
871 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_G, 0);
872 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_R, 0,
873 		CM_SHAPER_RAMA_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
874 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_R, 0);
875 
876 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_B, 0,
877 		CM_SHAPER_RAMA_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
878 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
879 
880 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_G, 0,
881 		CM_SHAPER_RAMA_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
882 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
883 
884 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_R, 0,
885 		CM_SHAPER_RAMA_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
886 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
887 
888 	curve = params->arr_curve_points;
889 	REG_SET_4(CM_SHAPER_RAMA_REGION_0_1, 0,
890 		CM_SHAPER_RAMA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
891 		CM_SHAPER_RAMA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
892 		CM_SHAPER_RAMA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
893 		CM_SHAPER_RAMA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
894 
895 	curve += 2;
896 	REG_SET_4(CM_SHAPER_RAMA_REGION_2_3, 0,
897 		CM_SHAPER_RAMA_EXP_REGION2_LUT_OFFSET, curve[0].offset,
898 		CM_SHAPER_RAMA_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
899 		CM_SHAPER_RAMA_EXP_REGION3_LUT_OFFSET, curve[1].offset,
900 		CM_SHAPER_RAMA_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
901 
902 	curve += 2;
903 	REG_SET_4(CM_SHAPER_RAMA_REGION_4_5, 0,
904 		CM_SHAPER_RAMA_EXP_REGION4_LUT_OFFSET, curve[0].offset,
905 		CM_SHAPER_RAMA_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
906 		CM_SHAPER_RAMA_EXP_REGION5_LUT_OFFSET, curve[1].offset,
907 		CM_SHAPER_RAMA_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
908 
909 	curve += 2;
910 	REG_SET_4(CM_SHAPER_RAMA_REGION_6_7, 0,
911 		CM_SHAPER_RAMA_EXP_REGION6_LUT_OFFSET, curve[0].offset,
912 		CM_SHAPER_RAMA_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
913 		CM_SHAPER_RAMA_EXP_REGION7_LUT_OFFSET, curve[1].offset,
914 		CM_SHAPER_RAMA_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
915 
916 	curve += 2;
917 	REG_SET_4(CM_SHAPER_RAMA_REGION_8_9, 0,
918 		CM_SHAPER_RAMA_EXP_REGION8_LUT_OFFSET, curve[0].offset,
919 		CM_SHAPER_RAMA_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
920 		CM_SHAPER_RAMA_EXP_REGION9_LUT_OFFSET, curve[1].offset,
921 		CM_SHAPER_RAMA_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
922 
923 	curve += 2;
924 	REG_SET_4(CM_SHAPER_RAMA_REGION_10_11, 0,
925 		CM_SHAPER_RAMA_EXP_REGION10_LUT_OFFSET, curve[0].offset,
926 		CM_SHAPER_RAMA_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
927 		CM_SHAPER_RAMA_EXP_REGION11_LUT_OFFSET, curve[1].offset,
928 		CM_SHAPER_RAMA_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
929 
930 	curve += 2;
931 	REG_SET_4(CM_SHAPER_RAMA_REGION_12_13, 0,
932 		CM_SHAPER_RAMA_EXP_REGION12_LUT_OFFSET, curve[0].offset,
933 		CM_SHAPER_RAMA_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
934 		CM_SHAPER_RAMA_EXP_REGION13_LUT_OFFSET, curve[1].offset,
935 		CM_SHAPER_RAMA_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
936 
937 	curve += 2;
938 	REG_SET_4(CM_SHAPER_RAMA_REGION_14_15, 0,
939 		CM_SHAPER_RAMA_EXP_REGION14_LUT_OFFSET, curve[0].offset,
940 		CM_SHAPER_RAMA_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
941 		CM_SHAPER_RAMA_EXP_REGION15_LUT_OFFSET, curve[1].offset,
942 		CM_SHAPER_RAMA_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
943 
944 	curve += 2;
945 	REG_SET_4(CM_SHAPER_RAMA_REGION_16_17, 0,
946 		CM_SHAPER_RAMA_EXP_REGION16_LUT_OFFSET, curve[0].offset,
947 		CM_SHAPER_RAMA_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
948 		CM_SHAPER_RAMA_EXP_REGION17_LUT_OFFSET, curve[1].offset,
949 		CM_SHAPER_RAMA_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
950 
951 	curve += 2;
952 	REG_SET_4(CM_SHAPER_RAMA_REGION_18_19, 0,
953 		CM_SHAPER_RAMA_EXP_REGION18_LUT_OFFSET, curve[0].offset,
954 		CM_SHAPER_RAMA_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
955 		CM_SHAPER_RAMA_EXP_REGION19_LUT_OFFSET, curve[1].offset,
956 		CM_SHAPER_RAMA_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
957 
958 	curve += 2;
959 	REG_SET_4(CM_SHAPER_RAMA_REGION_20_21, 0,
960 		CM_SHAPER_RAMA_EXP_REGION20_LUT_OFFSET, curve[0].offset,
961 		CM_SHAPER_RAMA_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
962 		CM_SHAPER_RAMA_EXP_REGION21_LUT_OFFSET, curve[1].offset,
963 		CM_SHAPER_RAMA_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
964 
965 	curve += 2;
966 	REG_SET_4(CM_SHAPER_RAMA_REGION_22_23, 0,
967 		CM_SHAPER_RAMA_EXP_REGION22_LUT_OFFSET, curve[0].offset,
968 		CM_SHAPER_RAMA_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
969 		CM_SHAPER_RAMA_EXP_REGION23_LUT_OFFSET, curve[1].offset,
970 		CM_SHAPER_RAMA_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
971 
972 	curve += 2;
973 	REG_SET_4(CM_SHAPER_RAMA_REGION_24_25, 0,
974 		CM_SHAPER_RAMA_EXP_REGION24_LUT_OFFSET, curve[0].offset,
975 		CM_SHAPER_RAMA_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
976 		CM_SHAPER_RAMA_EXP_REGION25_LUT_OFFSET, curve[1].offset,
977 		CM_SHAPER_RAMA_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
978 
979 	curve += 2;
980 	REG_SET_4(CM_SHAPER_RAMA_REGION_26_27, 0,
981 		CM_SHAPER_RAMA_EXP_REGION26_LUT_OFFSET, curve[0].offset,
982 		CM_SHAPER_RAMA_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
983 		CM_SHAPER_RAMA_EXP_REGION27_LUT_OFFSET, curve[1].offset,
984 		CM_SHAPER_RAMA_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
985 
986 	curve += 2;
987 	REG_SET_4(CM_SHAPER_RAMA_REGION_28_29, 0,
988 		CM_SHAPER_RAMA_EXP_REGION28_LUT_OFFSET, curve[0].offset,
989 		CM_SHAPER_RAMA_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
990 		CM_SHAPER_RAMA_EXP_REGION29_LUT_OFFSET, curve[1].offset,
991 		CM_SHAPER_RAMA_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
992 
993 	curve += 2;
994 	REG_SET_4(CM_SHAPER_RAMA_REGION_30_31, 0,
995 		CM_SHAPER_RAMA_EXP_REGION30_LUT_OFFSET, curve[0].offset,
996 		CM_SHAPER_RAMA_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
997 		CM_SHAPER_RAMA_EXP_REGION31_LUT_OFFSET, curve[1].offset,
998 		CM_SHAPER_RAMA_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
999 
1000 	curve += 2;
1001 	REG_SET_4(CM_SHAPER_RAMA_REGION_32_33, 0,
1002 		CM_SHAPER_RAMA_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1003 		CM_SHAPER_RAMA_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1004 		CM_SHAPER_RAMA_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1005 		CM_SHAPER_RAMA_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1006 }
1007 
1008 /*program shaper RAM B*/
1009 static void dpp3_program_shaper_lutb_settings(
1010 		struct dpp *dpp_base,
1011 		const struct pwl_params *params)
1012 {
1013 	const struct gamma_curve *curve;
1014 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1015 
1016 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_B, 0,
1017 		CM_SHAPER_RAMB_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
1018 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_B, 0);
1019 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_G, 0,
1020 		CM_SHAPER_RAMB_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
1021 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_G, 0);
1022 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_R, 0,
1023 		CM_SHAPER_RAMB_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
1024 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_R, 0);
1025 
1026 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_B, 0,
1027 		CM_SHAPER_RAMB_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
1028 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
1029 
1030 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_G, 0,
1031 		CM_SHAPER_RAMB_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
1032 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
1033 
1034 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_R, 0,
1035 		CM_SHAPER_RAMB_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
1036 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
1037 
1038 	curve = params->arr_curve_points;
1039 	REG_SET_4(CM_SHAPER_RAMB_REGION_0_1, 0,
1040 		CM_SHAPER_RAMB_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1041 		CM_SHAPER_RAMB_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1042 		CM_SHAPER_RAMB_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1043 		CM_SHAPER_RAMB_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1044 
1045 	curve += 2;
1046 	REG_SET_4(CM_SHAPER_RAMB_REGION_2_3, 0,
1047 		CM_SHAPER_RAMB_EXP_REGION2_LUT_OFFSET, curve[0].offset,
1048 		CM_SHAPER_RAMB_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
1049 		CM_SHAPER_RAMB_EXP_REGION3_LUT_OFFSET, curve[1].offset,
1050 		CM_SHAPER_RAMB_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
1051 
1052 	curve += 2;
1053 	REG_SET_4(CM_SHAPER_RAMB_REGION_4_5, 0,
1054 		CM_SHAPER_RAMB_EXP_REGION4_LUT_OFFSET, curve[0].offset,
1055 		CM_SHAPER_RAMB_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
1056 		CM_SHAPER_RAMB_EXP_REGION5_LUT_OFFSET, curve[1].offset,
1057 		CM_SHAPER_RAMB_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
1058 
1059 	curve += 2;
1060 	REG_SET_4(CM_SHAPER_RAMB_REGION_6_7, 0,
1061 		CM_SHAPER_RAMB_EXP_REGION6_LUT_OFFSET, curve[0].offset,
1062 		CM_SHAPER_RAMB_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
1063 		CM_SHAPER_RAMB_EXP_REGION7_LUT_OFFSET, curve[1].offset,
1064 		CM_SHAPER_RAMB_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
1065 
1066 	curve += 2;
1067 	REG_SET_4(CM_SHAPER_RAMB_REGION_8_9, 0,
1068 		CM_SHAPER_RAMB_EXP_REGION8_LUT_OFFSET, curve[0].offset,
1069 		CM_SHAPER_RAMB_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
1070 		CM_SHAPER_RAMB_EXP_REGION9_LUT_OFFSET, curve[1].offset,
1071 		CM_SHAPER_RAMB_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
1072 
1073 	curve += 2;
1074 	REG_SET_4(CM_SHAPER_RAMB_REGION_10_11, 0,
1075 		CM_SHAPER_RAMB_EXP_REGION10_LUT_OFFSET, curve[0].offset,
1076 		CM_SHAPER_RAMB_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
1077 		CM_SHAPER_RAMB_EXP_REGION11_LUT_OFFSET, curve[1].offset,
1078 		CM_SHAPER_RAMB_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
1079 
1080 	curve += 2;
1081 	REG_SET_4(CM_SHAPER_RAMB_REGION_12_13, 0,
1082 		CM_SHAPER_RAMB_EXP_REGION12_LUT_OFFSET, curve[0].offset,
1083 		CM_SHAPER_RAMB_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
1084 		CM_SHAPER_RAMB_EXP_REGION13_LUT_OFFSET, curve[1].offset,
1085 		CM_SHAPER_RAMB_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
1086 
1087 	curve += 2;
1088 	REG_SET_4(CM_SHAPER_RAMB_REGION_14_15, 0,
1089 		CM_SHAPER_RAMB_EXP_REGION14_LUT_OFFSET, curve[0].offset,
1090 		CM_SHAPER_RAMB_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
1091 		CM_SHAPER_RAMB_EXP_REGION15_LUT_OFFSET, curve[1].offset,
1092 		CM_SHAPER_RAMB_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
1093 
1094 	curve += 2;
1095 	REG_SET_4(CM_SHAPER_RAMB_REGION_16_17, 0,
1096 		CM_SHAPER_RAMB_EXP_REGION16_LUT_OFFSET, curve[0].offset,
1097 		CM_SHAPER_RAMB_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
1098 		CM_SHAPER_RAMB_EXP_REGION17_LUT_OFFSET, curve[1].offset,
1099 		CM_SHAPER_RAMB_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
1100 
1101 	curve += 2;
1102 	REG_SET_4(CM_SHAPER_RAMB_REGION_18_19, 0,
1103 		CM_SHAPER_RAMB_EXP_REGION18_LUT_OFFSET, curve[0].offset,
1104 		CM_SHAPER_RAMB_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
1105 		CM_SHAPER_RAMB_EXP_REGION19_LUT_OFFSET, curve[1].offset,
1106 		CM_SHAPER_RAMB_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
1107 
1108 	curve += 2;
1109 	REG_SET_4(CM_SHAPER_RAMB_REGION_20_21, 0,
1110 		CM_SHAPER_RAMB_EXP_REGION20_LUT_OFFSET, curve[0].offset,
1111 		CM_SHAPER_RAMB_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
1112 		CM_SHAPER_RAMB_EXP_REGION21_LUT_OFFSET, curve[1].offset,
1113 		CM_SHAPER_RAMB_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
1114 
1115 	curve += 2;
1116 	REG_SET_4(CM_SHAPER_RAMB_REGION_22_23, 0,
1117 		CM_SHAPER_RAMB_EXP_REGION22_LUT_OFFSET, curve[0].offset,
1118 		CM_SHAPER_RAMB_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
1119 		CM_SHAPER_RAMB_EXP_REGION23_LUT_OFFSET, curve[1].offset,
1120 		CM_SHAPER_RAMB_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
1121 
1122 	curve += 2;
1123 	REG_SET_4(CM_SHAPER_RAMB_REGION_24_25, 0,
1124 		CM_SHAPER_RAMB_EXP_REGION24_LUT_OFFSET, curve[0].offset,
1125 		CM_SHAPER_RAMB_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
1126 		CM_SHAPER_RAMB_EXP_REGION25_LUT_OFFSET, curve[1].offset,
1127 		CM_SHAPER_RAMB_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
1128 
1129 	curve += 2;
1130 	REG_SET_4(CM_SHAPER_RAMB_REGION_26_27, 0,
1131 		CM_SHAPER_RAMB_EXP_REGION26_LUT_OFFSET, curve[0].offset,
1132 		CM_SHAPER_RAMB_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
1133 		CM_SHAPER_RAMB_EXP_REGION27_LUT_OFFSET, curve[1].offset,
1134 		CM_SHAPER_RAMB_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
1135 
1136 	curve += 2;
1137 	REG_SET_4(CM_SHAPER_RAMB_REGION_28_29, 0,
1138 		CM_SHAPER_RAMB_EXP_REGION28_LUT_OFFSET, curve[0].offset,
1139 		CM_SHAPER_RAMB_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
1140 		CM_SHAPER_RAMB_EXP_REGION29_LUT_OFFSET, curve[1].offset,
1141 		CM_SHAPER_RAMB_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
1142 
1143 	curve += 2;
1144 	REG_SET_4(CM_SHAPER_RAMB_REGION_30_31, 0,
1145 		CM_SHAPER_RAMB_EXP_REGION30_LUT_OFFSET, curve[0].offset,
1146 		CM_SHAPER_RAMB_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
1147 		CM_SHAPER_RAMB_EXP_REGION31_LUT_OFFSET, curve[1].offset,
1148 		CM_SHAPER_RAMB_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
1149 
1150 	curve += 2;
1151 	REG_SET_4(CM_SHAPER_RAMB_REGION_32_33, 0,
1152 		CM_SHAPER_RAMB_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1153 		CM_SHAPER_RAMB_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1154 		CM_SHAPER_RAMB_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1155 		CM_SHAPER_RAMB_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1156 
1157 }
1158 
1159 
1160 static bool dpp3_program_shaper(struct dpp *dpp_base,
1161 				const struct pwl_params *params)
1162 {
1163 	enum dc_lut_mode current_mode;
1164 	enum dc_lut_mode next_mode;
1165 
1166 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1167 
1168 	if (params == NULL) {
1169 		REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, 0);
1170 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1171 			dpp3_power_on_shaper(dpp_base, false);
1172 		return false;
1173 	}
1174 
1175 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1176 		dpp3_power_on_shaper(dpp_base, true);
1177 
1178 	current_mode = dpp3_get_shaper_current(dpp_base);
1179 
1180 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_A)
1181 		next_mode = LUT_RAM_B;
1182 	else
1183 		next_mode = LUT_RAM_A;
1184 
1185 	dpp3_configure_shaper_lut(dpp_base, next_mode == LUT_RAM_A);
1186 
1187 	if (next_mode == LUT_RAM_A)
1188 		dpp3_program_shaper_luta_settings(dpp_base, params);
1189 	else
1190 		dpp3_program_shaper_lutb_settings(dpp_base, params);
1191 
1192 	dpp3_program_shaper_lut(
1193 			dpp_base, params->rgb_resulted, params->hw_points_num);
1194 
1195 	REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, next_mode == LUT_RAM_A ? 1:2);
1196 
1197 	return true;
1198 
1199 }
1200 
1201 static enum dc_lut_mode get3dlut_config(
1202 			struct dpp *dpp_base,
1203 			bool *is_17x17x17,
1204 			bool *is_12bits_color_channel)
1205 {
1206 	uint32_t i_mode, i_enable_10bits, lut_size;
1207 	enum dc_lut_mode mode;
1208 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1209 
1210 	REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
1211 			CM_3DLUT_30BIT_EN, &i_enable_10bits);
1212 	REG_GET(CM_3DLUT_MODE,
1213 			CM_3DLUT_MODE_CURRENT, &i_mode);
1214 
1215 	switch (i_mode) {
1216 	case 0:
1217 		mode = LUT_BYPASS;
1218 		break;
1219 	case 1:
1220 		mode = LUT_RAM_A;
1221 		break;
1222 	case 2:
1223 		mode = LUT_RAM_B;
1224 		break;
1225 	default:
1226 		mode = LUT_BYPASS;
1227 		break;
1228 	}
1229 	if (i_enable_10bits > 0)
1230 		*is_12bits_color_channel = false;
1231 	else
1232 		*is_12bits_color_channel = true;
1233 
1234 	REG_GET(CM_3DLUT_MODE, CM_3DLUT_SIZE, &lut_size);
1235 
1236 	if (lut_size == 0)
1237 		*is_17x17x17 = true;
1238 	else
1239 		*is_17x17x17 = false;
1240 
1241 	return mode;
1242 }
1243 /*
1244  * select ramA or ramB, or bypass
1245  * select color channel size 10 or 12 bits
1246  * select 3dlut size 17x17x17 or 9x9x9
1247  */
1248 static void dpp3_set_3dlut_mode(
1249 		struct dpp *dpp_base,
1250 		enum dc_lut_mode mode,
1251 		bool is_color_channel_12bits,
1252 		bool is_lut_size17x17x17)
1253 {
1254 	uint32_t lut_mode;
1255 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1256 
1257 	if (mode == LUT_BYPASS)
1258 		lut_mode = 0;
1259 	else if (mode == LUT_RAM_A)
1260 		lut_mode = 1;
1261 	else
1262 		lut_mode = 2;
1263 
1264 	REG_UPDATE_2(CM_3DLUT_MODE,
1265 			CM_3DLUT_MODE, lut_mode,
1266 			CM_3DLUT_SIZE, is_lut_size17x17x17 == true ? 0 : 1);
1267 }
1268 
1269 static void dpp3_select_3dlut_ram(
1270 		struct dpp *dpp_base,
1271 		enum dc_lut_mode mode,
1272 		bool is_color_channel_12bits)
1273 {
1274 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1275 
1276 	REG_UPDATE_2(CM_3DLUT_READ_WRITE_CONTROL,
1277 			CM_3DLUT_RAM_SEL, mode == LUT_RAM_A ? 0 : 1,
1278 			CM_3DLUT_30BIT_EN,
1279 			is_color_channel_12bits == true ? 0:1);
1280 }
1281 
1282 
1283 
1284 static void dpp3_set3dlut_ram12(
1285 		struct dpp *dpp_base,
1286 		const struct dc_rgb *lut,
1287 		uint32_t entries)
1288 {
1289 	uint32_t i, red, green, blue, red1, green1, blue1;
1290 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1291 
1292 	for (i = 0 ; i < entries; i += 2) {
1293 		red   = lut[i].red<<4;
1294 		green = lut[i].green<<4;
1295 		blue  = lut[i].blue<<4;
1296 		red1   = lut[i+1].red<<4;
1297 		green1 = lut[i+1].green<<4;
1298 		blue1  = lut[i+1].blue<<4;
1299 
1300 		REG_SET_2(CM_3DLUT_DATA, 0,
1301 				CM_3DLUT_DATA0, red,
1302 				CM_3DLUT_DATA1, red1);
1303 
1304 		REG_SET_2(CM_3DLUT_DATA, 0,
1305 				CM_3DLUT_DATA0, green,
1306 				CM_3DLUT_DATA1, green1);
1307 
1308 		REG_SET_2(CM_3DLUT_DATA, 0,
1309 				CM_3DLUT_DATA0, blue,
1310 				CM_3DLUT_DATA1, blue1);
1311 
1312 	}
1313 }
1314 
1315 /*
1316  * load selected lut with 10 bits color channels
1317  */
1318 static void dpp3_set3dlut_ram10(
1319 		struct dpp *dpp_base,
1320 		const struct dc_rgb *lut,
1321 		uint32_t entries)
1322 {
1323 	uint32_t i, red, green, blue, value;
1324 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1325 
1326 	for (i = 0; i < entries; i++) {
1327 		red   = lut[i].red;
1328 		green = lut[i].green;
1329 		blue  = lut[i].blue;
1330 
1331 		value = (red<<20) | (green<<10) | blue;
1332 
1333 		REG_SET(CM_3DLUT_DATA_30BIT, 0, CM_3DLUT_DATA_30BIT, value);
1334 	}
1335 
1336 }
1337 
1338 
1339 static void dpp3_select_3dlut_ram_mask(
1340 		struct dpp *dpp_base,
1341 		uint32_t ram_selection_mask)
1342 {
1343 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1344 
1345 	REG_UPDATE(CM_3DLUT_READ_WRITE_CONTROL, CM_3DLUT_WRITE_EN_MASK,
1346 			ram_selection_mask);
1347 	REG_SET(CM_3DLUT_INDEX, 0, CM_3DLUT_INDEX, 0);
1348 }
1349 
1350 static bool dpp3_program_3dlut(struct dpp *dpp_base,
1351 			       struct tetrahedral_params *params)
1352 {
1353 	enum dc_lut_mode mode;
1354 	bool is_17x17x17;
1355 	bool is_12bits_color_channel;
1356 	struct dc_rgb *lut0;
1357 	struct dc_rgb *lut1;
1358 	struct dc_rgb *lut2;
1359 	struct dc_rgb *lut3;
1360 	int lut_size0;
1361 	int lut_size;
1362 
1363 	if (params == NULL) {
1364 		dpp3_set_3dlut_mode(dpp_base, LUT_BYPASS, false, false);
1365 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1366 			dpp3_power_on_hdr3dlut(dpp_base, false);
1367 		return false;
1368 	}
1369 
1370 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1371 		dpp3_power_on_hdr3dlut(dpp_base, true);
1372 
1373 	mode = get3dlut_config(dpp_base, &is_17x17x17, &is_12bits_color_channel);
1374 
1375 	if (mode == LUT_BYPASS || mode == LUT_RAM_B)
1376 		mode = LUT_RAM_A;
1377 	else
1378 		mode = LUT_RAM_B;
1379 
1380 	is_17x17x17 = !params->use_tetrahedral_9;
1381 	is_12bits_color_channel = params->use_12bits;
1382 	if (is_17x17x17) {
1383 		lut0 = params->tetrahedral_17.lut0;
1384 		lut1 = params->tetrahedral_17.lut1;
1385 		lut2 = params->tetrahedral_17.lut2;
1386 		lut3 = params->tetrahedral_17.lut3;
1387 		lut_size0 = sizeof(params->tetrahedral_17.lut0)/
1388 					sizeof(params->tetrahedral_17.lut0[0]);
1389 		lut_size  = sizeof(params->tetrahedral_17.lut1)/
1390 					sizeof(params->tetrahedral_17.lut1[0]);
1391 	} else {
1392 		lut0 = params->tetrahedral_9.lut0;
1393 		lut1 = params->tetrahedral_9.lut1;
1394 		lut2 = params->tetrahedral_9.lut2;
1395 		lut3 = params->tetrahedral_9.lut3;
1396 		lut_size0 = sizeof(params->tetrahedral_9.lut0)/
1397 				sizeof(params->tetrahedral_9.lut0[0]);
1398 		lut_size  = sizeof(params->tetrahedral_9.lut1)/
1399 				sizeof(params->tetrahedral_9.lut1[0]);
1400 		}
1401 
1402 	dpp3_select_3dlut_ram(dpp_base, mode,
1403 				is_12bits_color_channel);
1404 	dpp3_select_3dlut_ram_mask(dpp_base, 0x1);
1405 	if (is_12bits_color_channel)
1406 		dpp3_set3dlut_ram12(dpp_base, lut0, lut_size0);
1407 	else
1408 		dpp3_set3dlut_ram10(dpp_base, lut0, lut_size0);
1409 
1410 	dpp3_select_3dlut_ram_mask(dpp_base, 0x2);
1411 	if (is_12bits_color_channel)
1412 		dpp3_set3dlut_ram12(dpp_base, lut1, lut_size);
1413 	else
1414 		dpp3_set3dlut_ram10(dpp_base, lut1, lut_size);
1415 
1416 	dpp3_select_3dlut_ram_mask(dpp_base, 0x4);
1417 	if (is_12bits_color_channel)
1418 		dpp3_set3dlut_ram12(dpp_base, lut2, lut_size);
1419 	else
1420 		dpp3_set3dlut_ram10(dpp_base, lut2, lut_size);
1421 
1422 	dpp3_select_3dlut_ram_mask(dpp_base, 0x8);
1423 	if (is_12bits_color_channel)
1424 		dpp3_set3dlut_ram12(dpp_base, lut3, lut_size);
1425 	else
1426 		dpp3_set3dlut_ram10(dpp_base, lut3, lut_size);
1427 
1428 
1429 	dpp3_set_3dlut_mode(dpp_base, mode, is_12bits_color_channel,
1430 					is_17x17x17);
1431 
1432 	return true;
1433 }
1434 static struct dpp_funcs dcn30_dpp_funcs = {
1435 	.dpp_program_gamcor_lut = dpp3_program_gamcor_lut,
1436 	.dpp_read_state			= dpp30_read_state,
1437 	.dpp_reset			= dpp_reset,
1438 	.dpp_set_scaler			= dpp1_dscl_set_scaler_manual_scale,
1439 	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
1440 	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
1441 	.dpp_set_csc_adjustment		= NULL,
1442 	.dpp_set_csc_default		= NULL,
1443 	.dpp_program_regamma_pwl	= NULL,
1444 	.dpp_set_pre_degam		= dpp3_set_pre_degam,
1445 	.dpp_program_input_lut		= NULL,
1446 	.dpp_full_bypass		= dpp1_full_bypass,
1447 	.dpp_setup			= dpp3_cnv_setup,
1448 	.dpp_program_degamma_pwl	= NULL,
1449 	.dpp_program_cm_dealpha = dpp3_program_cm_dealpha,
1450 	.dpp_program_cm_bias = dpp3_program_cm_bias,
1451 	.dpp_program_blnd_lut = dpp3_program_blnd_lut,
1452 	.dpp_program_shaper_lut = dpp3_program_shaper,
1453 	.dpp_program_3dlut = dpp3_program_3dlut,
1454 	.dpp_deferred_update = dpp3_deferred_update,
1455 	.dpp_program_bias_and_scale	= NULL,
1456 	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
1457 	.set_cursor_attributes		= dpp3_set_cursor_attributes,
1458 	.set_cursor_position		= dpp1_set_cursor_position,
1459 	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
1460 	.dpp_dppclk_control		= dpp1_dppclk_control,
1461 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
1462 };
1463 
1464 
1465 static struct dpp_caps dcn30_dpp_cap = {
1466 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
1467 	.dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
1468 };
1469 
1470 bool dpp3_construct(
1471 	struct dcn3_dpp *dpp,
1472 	struct dc_context *ctx,
1473 	uint32_t inst,
1474 	const struct dcn3_dpp_registers *tf_regs,
1475 	const struct dcn3_dpp_shift *tf_shift,
1476 	const struct dcn3_dpp_mask *tf_mask)
1477 {
1478 	dpp->base.ctx = ctx;
1479 
1480 	dpp->base.inst = inst;
1481 	dpp->base.funcs = &dcn30_dpp_funcs;
1482 	dpp->base.caps = &dcn30_dpp_cap;
1483 
1484 	dpp->tf_regs = tf_regs;
1485 	dpp->tf_shift = tf_shift;
1486 	dpp->tf_mask = tf_mask;
1487 
1488 	return true;
1489 }
1490 
1491