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 		pixel_format = 22;
248 		break;
249 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
250 		pixel_format = 26; /* ARGB16161616_UNORM */
251 		break;
252 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
253 		pixel_format = 24;
254 		break;
255 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
256 		pixel_format = 25;
257 		break;
258 	case SURFACE_PIXEL_FORMAT_VIDEO_AYCrCb8888:
259 		pixel_format = 12;
260 		color_space = COLOR_SPACE_YCBCR709;
261 		select = INPUT_CSC_SELECT_ICSC;
262 		break;
263 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
264 		pixel_format = 112;
265 		break;
266 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
267 		pixel_format = 113;
268 		break;
269 	case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
270 		pixel_format = 114;
271 		color_space = COLOR_SPACE_YCBCR709;
272 		select = INPUT_CSC_SELECT_ICSC;
273 		is_2bit = 1;
274 		break;
275 	case SURFACE_PIXEL_FORMAT_VIDEO_CrYCbA1010102:
276 		pixel_format = 115;
277 		color_space = COLOR_SPACE_YCBCR709;
278 		select = INPUT_CSC_SELECT_ICSC;
279 		is_2bit = 1;
280 		break;
281 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE:
282 		pixel_format = 116;
283 		alpha_plane_enable = 0;
284 		break;
285 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
286 		pixel_format = 116;
287 		alpha_plane_enable = 1;
288 		break;
289 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
290 		pixel_format = 118;
291 		break;
292 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
293 		pixel_format = 119;
294 		break;
295 	default:
296 		break;
297 	}
298 
299 	/* Set default color space based on format if none is given. */
300 	color_space = input_color_space ? input_color_space : color_space;
301 
302 	if (is_2bit == 1 && alpha_2bit_lut != NULL) {
303 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
304 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1);
305 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT2, alpha_2bit_lut->lut2);
306 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT3, alpha_2bit_lut->lut3);
307 	}
308 
309 	REG_SET_2(CNVC_SURFACE_PIXEL_FORMAT, 0,
310 			CNVC_SURFACE_PIXEL_FORMAT, pixel_format,
311 			CNVC_ALPHA_PLANE_ENABLE, alpha_plane_enable);
312 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
313 
314 	if (program_prealpha_dealpha) {
315 		dealpha_en = 1;
316 		realpha_en = 1;
317 	}
318 	REG_SET_2(PRE_DEALPHA, 0,
319 			PRE_DEALPHA_EN, dealpha_en,
320 			PRE_DEALPHA_ABLND_EN, dealpha_ablnd_en);
321 	REG_SET_2(PRE_REALPHA, 0,
322 			PRE_REALPHA_EN, realpha_en,
323 			PRE_REALPHA_ABLND_EN, realpha_ablnd_en);
324 
325 	/* If input adjustment exists, program the ICSC with those values. */
326 	if (input_csc_color_matrix.enable_adjustment == true) {
327 		for (i = 0; i < 12; i++)
328 			tbl_entry.regval[i] = input_csc_color_matrix.matrix[i];
329 
330 		tbl_entry.color_space = input_color_space;
331 
332 		if (color_space >= COLOR_SPACE_YCBCR601)
333 			select = INPUT_CSC_SELECT_ICSC;
334 		else
335 			select = INPUT_CSC_SELECT_BYPASS;
336 
337 		dpp3_program_post_csc(dpp_base, color_space, select,
338 				      &tbl_entry);
339 	} else {
340 		dpp3_program_post_csc(dpp_base, color_space, select, NULL);
341 	}
342 
343 	if (force_disable_cursor) {
344 		REG_UPDATE(CURSOR_CONTROL,
345 				CURSOR_ENABLE, 0);
346 		REG_UPDATE(CURSOR0_CONTROL,
347 				CUR0_ENABLE, 0);
348 	}
349 }
350 
351 #define IDENTITY_RATIO(ratio) (dc_fixpt_u3d19(ratio) == (1 << 19))
352 
353 void dpp3_set_cursor_attributes(
354 		struct dpp *dpp_base,
355 		struct dc_cursor_attributes *cursor_attributes)
356 {
357 	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
358 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
359 	int cur_rom_en = 0;
360 
361 	if (color_format == CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA ||
362 		color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA)
363 		cur_rom_en = 1;
364 
365 	REG_UPDATE_3(CURSOR0_CONTROL,
366 			CUR0_MODE, color_format,
367 			CUR0_EXPANSION_MODE, 0,
368 			CUR0_ROM_EN, cur_rom_en);
369 
370 	if (color_format == CURSOR_MODE_MONO) {
371 		/* todo: clarify what to program these to */
372 		REG_UPDATE(CURSOR0_COLOR0,
373 				CUR0_COLOR0, 0x00000000);
374 		REG_UPDATE(CURSOR0_COLOR1,
375 				CUR0_COLOR1, 0xFFFFFFFF);
376 	}
377 }
378 
379 
380 bool dpp3_get_optimal_number_of_taps(
381 		struct dpp *dpp,
382 		struct scaler_data *scl_data,
383 		const struct scaling_taps *in_taps)
384 {
385 	int num_part_y, num_part_c;
386 	int max_taps_y, max_taps_c;
387 	int min_taps_y, min_taps_c;
388 	enum lb_memory_config lb_config;
389 
390 	if (scl_data->viewport.width > scl_data->h_active &&
391 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
392 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
393 		return false;
394 
395 	/*
396 	 * Set default taps if none are provided
397 	 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling
398 	 * taps = 4 for upscaling
399 	 */
400 	if (in_taps->h_taps == 0) {
401 		if (dc_fixpt_ceil(scl_data->ratios.horz) > 1)
402 			scl_data->taps.h_taps = min(2 * dc_fixpt_ceil(scl_data->ratios.horz), 8);
403 		else
404 			scl_data->taps.h_taps = 4;
405 	} else
406 		scl_data->taps.h_taps = in_taps->h_taps;
407 	if (in_taps->v_taps == 0) {
408 		if (dc_fixpt_ceil(scl_data->ratios.vert) > 1)
409 			scl_data->taps.v_taps = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert, 2)), 8);
410 		else
411 			scl_data->taps.v_taps = 4;
412 	} else
413 		scl_data->taps.v_taps = in_taps->v_taps;
414 	if (in_taps->v_taps_c == 0) {
415 		if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 1)
416 			scl_data->taps.v_taps_c = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert_c, 2)), 8);
417 		else
418 			scl_data->taps.v_taps_c = 4;
419 	} else
420 		scl_data->taps.v_taps_c = in_taps->v_taps_c;
421 	if (in_taps->h_taps_c == 0) {
422 		if (dc_fixpt_ceil(scl_data->ratios.horz_c) > 1)
423 			scl_data->taps.h_taps_c = min(2 * dc_fixpt_ceil(scl_data->ratios.horz_c), 8);
424 		else
425 			scl_data->taps.h_taps_c = 4;
426 	} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
427 		/* Only 1 and even h_taps_c are supported by hw */
428 		scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
429 	else
430 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
431 
432 	/*Ensure we can support the requested number of vtaps*/
433 	min_taps_y = dc_fixpt_ceil(scl_data->ratios.vert);
434 	min_taps_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
435 
436 	/* Use LB_MEMORY_CONFIG_3 for 4:2:0 */
437 	if ((scl_data->format == PIXEL_FORMAT_420BPP8) || (scl_data->format == PIXEL_FORMAT_420BPP10))
438 		lb_config = LB_MEMORY_CONFIG_3;
439 	else
440 		lb_config = LB_MEMORY_CONFIG_0;
441 
442 	dpp->caps->dscl_calc_lb_num_partitions(
443 			scl_data, lb_config, &num_part_y, &num_part_c);
444 
445 	/* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */
446 	if (dc_fixpt_ceil(scl_data->ratios.vert) > 2)
447 		max_taps_y = num_part_y - (dc_fixpt_ceil(scl_data->ratios.vert) - 2);
448 	else
449 		max_taps_y = num_part_y;
450 
451 	if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 2)
452 		max_taps_c = num_part_c - (dc_fixpt_ceil(scl_data->ratios.vert_c) - 2);
453 	else
454 		max_taps_c = num_part_c;
455 
456 	if (max_taps_y < min_taps_y)
457 		return false;
458 	else if (max_taps_c < min_taps_c)
459 		return false;
460 
461 	if (scl_data->taps.v_taps > max_taps_y)
462 		scl_data->taps.v_taps = max_taps_y;
463 
464 	if (scl_data->taps.v_taps_c > max_taps_c)
465 		scl_data->taps.v_taps_c = max_taps_c;
466 
467 	if (!dpp->ctx->dc->debug.always_scale) {
468 		if (IDENTITY_RATIO(scl_data->ratios.horz))
469 			scl_data->taps.h_taps = 1;
470 		if (IDENTITY_RATIO(scl_data->ratios.vert))
471 			scl_data->taps.v_taps = 1;
472 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
473 			scl_data->taps.h_taps_c = 1;
474 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
475 			scl_data->taps.v_taps_c = 1;
476 	}
477 
478 	return true;
479 }
480 
481 static void dpp3_deferred_update(struct dpp *dpp_base)
482 {
483 	int bypass_state;
484 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
485 
486 	if (dpp_base->deferred_reg_writes.bits.disable_dscl) {
487 		REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 3);
488 		dpp_base->deferred_reg_writes.bits.disable_dscl = false;
489 	}
490 
491 	if (dpp_base->deferred_reg_writes.bits.disable_gamcor) {
492 		REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_MODE_CURRENT, &bypass_state);
493 		if (bypass_state == 0) {	// only program if bypass was latched
494 			REG_UPDATE(CM_MEM_PWR_CTRL, GAMCOR_MEM_PWR_FORCE, 3);
495 		} else
496 			ASSERT(0); // LUT select was updated again before vupdate
497 		dpp_base->deferred_reg_writes.bits.disable_gamcor = false;
498 	}
499 
500 	if (dpp_base->deferred_reg_writes.bits.disable_blnd_lut) {
501 		REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &bypass_state);
502 		if (bypass_state == 0) {	// only program if bypass was latched
503 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 3);
504 		} else
505 			ASSERT(0); // LUT select was updated again before vupdate
506 		dpp_base->deferred_reg_writes.bits.disable_blnd_lut = false;
507 	}
508 
509 	if (dpp_base->deferred_reg_writes.bits.disable_3dlut) {
510 		REG_GET(CM_3DLUT_MODE, CM_3DLUT_MODE_CURRENT, &bypass_state);
511 		if (bypass_state == 0) {	// only program if bypass was latched
512 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 3);
513 		} else
514 			ASSERT(0); // LUT select was updated again before vupdate
515 		dpp_base->deferred_reg_writes.bits.disable_3dlut = false;
516 	}
517 
518 	if (dpp_base->deferred_reg_writes.bits.disable_shaper) {
519 		REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &bypass_state);
520 		if (bypass_state == 0) {	// only program if bypass was latched
521 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 3);
522 		} else
523 			ASSERT(0); // LUT select was updated again before vupdate
524 		dpp_base->deferred_reg_writes.bits.disable_shaper = false;
525 	}
526 }
527 
528 static void dpp3_power_on_blnd_lut(
529 	struct dpp *dpp_base,
530 	bool power_on)
531 {
532 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
533 
534 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
535 		if (power_on) {
536 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 0);
537 			REG_WAIT(CM_MEM_PWR_STATUS, BLNDGAM_MEM_PWR_STATE, 0, 1, 5);
538 		} else {
539 			dpp_base->ctx->dc->optimized_required = true;
540 			dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;
541 		}
542 	} else {
543 		REG_SET(CM_MEM_PWR_CTRL, 0,
544 				BLNDGAM_MEM_PWR_FORCE, power_on == true ? 0 : 1);
545 	}
546 }
547 
548 static void dpp3_power_on_hdr3dlut(
549 	struct dpp *dpp_base,
550 	bool power_on)
551 {
552 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
553 
554 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
555 		if (power_on) {
556 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 0);
557 			REG_WAIT(CM_MEM_PWR_STATUS2, HDR3DLUT_MEM_PWR_STATE, 0, 1, 5);
558 		} else {
559 			dpp_base->ctx->dc->optimized_required = true;
560 			dpp_base->deferred_reg_writes.bits.disable_3dlut = true;
561 		}
562 	}
563 }
564 
565 static void dpp3_power_on_shaper(
566 	struct dpp *dpp_base,
567 	bool power_on)
568 {
569 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
570 
571 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
572 		if (power_on) {
573 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 0);
574 			REG_WAIT(CM_MEM_PWR_STATUS2, SHAPER_MEM_PWR_STATE, 0, 1, 5);
575 		} else {
576 			dpp_base->ctx->dc->optimized_required = true;
577 			dpp_base->deferred_reg_writes.bits.disable_shaper = true;
578 		}
579 	}
580 }
581 
582 static void dpp3_configure_blnd_lut(
583 		struct dpp *dpp_base,
584 		bool is_ram_a)
585 {
586 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
587 
588 	REG_UPDATE_2(CM_BLNDGAM_LUT_CONTROL,
589 			CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 7,
590 			CM_BLNDGAM_LUT_HOST_SEL, is_ram_a == true ? 0 : 1);
591 
592 	REG_SET(CM_BLNDGAM_LUT_INDEX, 0, CM_BLNDGAM_LUT_INDEX, 0);
593 }
594 
595 static void dpp3_program_blnd_pwl(
596 		struct dpp *dpp_base,
597 		const struct pwl_result_data *rgb,
598 		uint32_t num)
599 {
600 	uint32_t i;
601 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
602 	uint32_t last_base_value_red = rgb[num-1].red_reg + rgb[num-1].delta_red_reg;
603 	uint32_t last_base_value_green = rgb[num-1].green_reg + rgb[num-1].delta_green_reg;
604 	uint32_t last_base_value_blue = rgb[num-1].blue_reg + rgb[num-1].delta_blue_reg;
605 
606 	if (is_rgb_equal(rgb, num)) {
607 		for (i = 0 ; i < num; i++)
608 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
609 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
610 	} else {
611 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 4);
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 
616 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 2);
617 		for (i = 0 ; i < num; i++)
618 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].green_reg);
619 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_green);
620 
621 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 1);
622 		for (i = 0 ; i < num; i++)
623 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].blue_reg);
624 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_blue);
625 	}
626 }
627 
628 static void dcn3_dpp_cm_get_reg_field(
629 		struct dcn3_dpp *dpp,
630 		struct dcn3_xfer_func_reg *reg)
631 {
632 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
633 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
634 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
635 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
636 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
637 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
638 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
639 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
640 
641 	reg->shifts.field_region_end = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
642 	reg->masks.field_region_end = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
643 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
644 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
645 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
646 	reg->masks.field_region_end_base = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
647 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
648 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
649 	reg->shifts.exp_region_start = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
650 	reg->masks.exp_region_start = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
651 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
652 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
653 }
654 
655 /*program blnd lut RAM A*/
656 static void dpp3_program_blnd_luta_settings(
657 		struct dpp *dpp_base,
658 		const struct pwl_params *params)
659 {
660 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
661 	struct dcn3_xfer_func_reg gam_regs;
662 
663 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
664 
665 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMA_START_CNTL_B);
666 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMA_START_CNTL_G);
667 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMA_START_CNTL_R);
668 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_B);
669 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_G);
670 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_R);
671 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMA_END_CNTL1_B);
672 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMA_END_CNTL2_B);
673 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMA_END_CNTL1_G);
674 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMA_END_CNTL2_G);
675 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMA_END_CNTL1_R);
676 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMA_END_CNTL2_R);
677 	gam_regs.region_start = REG(CM_BLNDGAM_RAMA_REGION_0_1);
678 	gam_regs.region_end = REG(CM_BLNDGAM_RAMA_REGION_32_33);
679 
680 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
681 }
682 
683 /*program blnd lut RAM B*/
684 static void dpp3_program_blnd_lutb_settings(
685 		struct dpp *dpp_base,
686 		const struct pwl_params *params)
687 {
688 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
689 	struct dcn3_xfer_func_reg gam_regs;
690 
691 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
692 
693 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMB_START_CNTL_B);
694 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMB_START_CNTL_G);
695 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMB_START_CNTL_R);
696 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_B);
697 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_G);
698 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_R);
699 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMB_END_CNTL1_B);
700 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMB_END_CNTL2_B);
701 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMB_END_CNTL1_G);
702 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMB_END_CNTL2_G);
703 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMB_END_CNTL1_R);
704 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMB_END_CNTL2_R);
705 	gam_regs.region_start = REG(CM_BLNDGAM_RAMB_REGION_0_1);
706 	gam_regs.region_end = REG(CM_BLNDGAM_RAMB_REGION_32_33);
707 
708 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
709 }
710 
711 static enum dc_lut_mode dpp3_get_blndgam_current(struct dpp *dpp_base)
712 {
713 	enum dc_lut_mode mode;
714 	uint32_t mode_current = 0;
715 	uint32_t in_use = 0;
716 
717 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
718 
719 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &mode_current);
720 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &in_use);
721 
722 	switch (mode_current) {
723 	case 0:
724 	case 1:
725 		mode = LUT_BYPASS;
726 		break;
727 
728 	case 2:
729 		if (in_use == 0)
730 			mode = LUT_RAM_A;
731 		else
732 			mode = LUT_RAM_B;
733 		break;
734 	default:
735 		mode = LUT_BYPASS;
736 		break;
737 	}
738 
739 	return mode;
740 }
741 
742 static bool dpp3_program_blnd_lut(struct dpp *dpp_base,
743 				  const struct pwl_params *params)
744 {
745 	enum dc_lut_mode current_mode;
746 	enum dc_lut_mode next_mode;
747 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
748 
749 	if (params == NULL) {
750 		REG_SET(CM_BLNDGAM_CONTROL, 0, CM_BLNDGAM_MODE, 0);
751 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
752 			dpp3_power_on_blnd_lut(dpp_base, false);
753 		return false;
754 	}
755 
756 	current_mode = dpp3_get_blndgam_current(dpp_base);
757 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_B)
758 		next_mode = LUT_RAM_A;
759 	else
760 		next_mode = LUT_RAM_B;
761 
762 	dpp3_power_on_blnd_lut(dpp_base, true);
763 	dpp3_configure_blnd_lut(dpp_base, next_mode == LUT_RAM_A);
764 
765 	if (next_mode == LUT_RAM_A)
766 		dpp3_program_blnd_luta_settings(dpp_base, params);
767 	else
768 		dpp3_program_blnd_lutb_settings(dpp_base, params);
769 
770 	dpp3_program_blnd_pwl(
771 			dpp_base, params->rgb_resulted, params->hw_points_num);
772 
773 	REG_UPDATE_2(CM_BLNDGAM_CONTROL,
774 			CM_BLNDGAM_MODE, 2,
775 			CM_BLNDGAM_SELECT, next_mode == LUT_RAM_A ? 0 : 1);
776 
777 	return true;
778 }
779 
780 
781 static void dpp3_program_shaper_lut(
782 		struct dpp *dpp_base,
783 		const struct pwl_result_data *rgb,
784 		uint32_t num)
785 {
786 	uint32_t i, red, green, blue;
787 	uint32_t  red_delta, green_delta, blue_delta;
788 	uint32_t  red_value, green_value, blue_value;
789 
790 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
791 
792 	for (i = 0 ; i < num; i++) {
793 
794 		red   = rgb[i].red_reg;
795 		green = rgb[i].green_reg;
796 		blue  = rgb[i].blue_reg;
797 
798 		red_delta   = rgb[i].delta_red_reg;
799 		green_delta = rgb[i].delta_green_reg;
800 		blue_delta  = rgb[i].delta_blue_reg;
801 
802 		red_value   = ((red_delta   & 0x3ff) << 14) | (red   & 0x3fff);
803 		green_value = ((green_delta & 0x3ff) << 14) | (green & 0x3fff);
804 		blue_value  = ((blue_delta  & 0x3ff) << 14) | (blue  & 0x3fff);
805 
806 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, red_value);
807 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, green_value);
808 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, blue_value);
809 	}
810 
811 }
812 
813 static enum dc_lut_mode dpp3_get_shaper_current(struct dpp *dpp_base)
814 {
815 	enum dc_lut_mode mode;
816 	uint32_t state_mode;
817 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
818 
819 	REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &state_mode);
820 
821 	switch (state_mode) {
822 	case 0:
823 		mode = LUT_BYPASS;
824 		break;
825 	case 1:
826 		mode = LUT_RAM_A;
827 		break;
828 	case 2:
829 		mode = LUT_RAM_B;
830 		break;
831 	default:
832 		mode = LUT_BYPASS;
833 		break;
834 	}
835 
836 	return mode;
837 }
838 
839 static void dpp3_configure_shaper_lut(
840 		struct dpp *dpp_base,
841 		bool is_ram_a)
842 {
843 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
844 
845 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
846 			CM_SHAPER_LUT_WRITE_EN_MASK, 7);
847 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
848 			CM_SHAPER_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
849 	REG_SET(CM_SHAPER_LUT_INDEX, 0, CM_SHAPER_LUT_INDEX, 0);
850 }
851 
852 /*program shaper RAM A*/
853 
854 static void dpp3_program_shaper_luta_settings(
855 		struct dpp *dpp_base,
856 		const struct pwl_params *params)
857 {
858 	const struct gamma_curve *curve;
859 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
860 
861 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_B, 0,
862 		CM_SHAPER_RAMA_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
863 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_B, 0);
864 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_G, 0,
865 		CM_SHAPER_RAMA_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
866 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_G, 0);
867 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_R, 0,
868 		CM_SHAPER_RAMA_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
869 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_R, 0);
870 
871 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_B, 0,
872 		CM_SHAPER_RAMA_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
873 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
874 
875 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_G, 0,
876 		CM_SHAPER_RAMA_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
877 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
878 
879 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_R, 0,
880 		CM_SHAPER_RAMA_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
881 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
882 
883 	curve = params->arr_curve_points;
884 	REG_SET_4(CM_SHAPER_RAMA_REGION_0_1, 0,
885 		CM_SHAPER_RAMA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
886 		CM_SHAPER_RAMA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
887 		CM_SHAPER_RAMA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
888 		CM_SHAPER_RAMA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
889 
890 	curve += 2;
891 	REG_SET_4(CM_SHAPER_RAMA_REGION_2_3, 0,
892 		CM_SHAPER_RAMA_EXP_REGION2_LUT_OFFSET, curve[0].offset,
893 		CM_SHAPER_RAMA_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
894 		CM_SHAPER_RAMA_EXP_REGION3_LUT_OFFSET, curve[1].offset,
895 		CM_SHAPER_RAMA_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
896 
897 	curve += 2;
898 	REG_SET_4(CM_SHAPER_RAMA_REGION_4_5, 0,
899 		CM_SHAPER_RAMA_EXP_REGION4_LUT_OFFSET, curve[0].offset,
900 		CM_SHAPER_RAMA_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
901 		CM_SHAPER_RAMA_EXP_REGION5_LUT_OFFSET, curve[1].offset,
902 		CM_SHAPER_RAMA_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
903 
904 	curve += 2;
905 	REG_SET_4(CM_SHAPER_RAMA_REGION_6_7, 0,
906 		CM_SHAPER_RAMA_EXP_REGION6_LUT_OFFSET, curve[0].offset,
907 		CM_SHAPER_RAMA_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
908 		CM_SHAPER_RAMA_EXP_REGION7_LUT_OFFSET, curve[1].offset,
909 		CM_SHAPER_RAMA_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
910 
911 	curve += 2;
912 	REG_SET_4(CM_SHAPER_RAMA_REGION_8_9, 0,
913 		CM_SHAPER_RAMA_EXP_REGION8_LUT_OFFSET, curve[0].offset,
914 		CM_SHAPER_RAMA_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
915 		CM_SHAPER_RAMA_EXP_REGION9_LUT_OFFSET, curve[1].offset,
916 		CM_SHAPER_RAMA_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
917 
918 	curve += 2;
919 	REG_SET_4(CM_SHAPER_RAMA_REGION_10_11, 0,
920 		CM_SHAPER_RAMA_EXP_REGION10_LUT_OFFSET, curve[0].offset,
921 		CM_SHAPER_RAMA_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
922 		CM_SHAPER_RAMA_EXP_REGION11_LUT_OFFSET, curve[1].offset,
923 		CM_SHAPER_RAMA_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
924 
925 	curve += 2;
926 	REG_SET_4(CM_SHAPER_RAMA_REGION_12_13, 0,
927 		CM_SHAPER_RAMA_EXP_REGION12_LUT_OFFSET, curve[0].offset,
928 		CM_SHAPER_RAMA_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
929 		CM_SHAPER_RAMA_EXP_REGION13_LUT_OFFSET, curve[1].offset,
930 		CM_SHAPER_RAMA_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
931 
932 	curve += 2;
933 	REG_SET_4(CM_SHAPER_RAMA_REGION_14_15, 0,
934 		CM_SHAPER_RAMA_EXP_REGION14_LUT_OFFSET, curve[0].offset,
935 		CM_SHAPER_RAMA_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
936 		CM_SHAPER_RAMA_EXP_REGION15_LUT_OFFSET, curve[1].offset,
937 		CM_SHAPER_RAMA_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
938 
939 	curve += 2;
940 	REG_SET_4(CM_SHAPER_RAMA_REGION_16_17, 0,
941 		CM_SHAPER_RAMA_EXP_REGION16_LUT_OFFSET, curve[0].offset,
942 		CM_SHAPER_RAMA_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
943 		CM_SHAPER_RAMA_EXP_REGION17_LUT_OFFSET, curve[1].offset,
944 		CM_SHAPER_RAMA_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
945 
946 	curve += 2;
947 	REG_SET_4(CM_SHAPER_RAMA_REGION_18_19, 0,
948 		CM_SHAPER_RAMA_EXP_REGION18_LUT_OFFSET, curve[0].offset,
949 		CM_SHAPER_RAMA_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
950 		CM_SHAPER_RAMA_EXP_REGION19_LUT_OFFSET, curve[1].offset,
951 		CM_SHAPER_RAMA_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
952 
953 	curve += 2;
954 	REG_SET_4(CM_SHAPER_RAMA_REGION_20_21, 0,
955 		CM_SHAPER_RAMA_EXP_REGION20_LUT_OFFSET, curve[0].offset,
956 		CM_SHAPER_RAMA_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
957 		CM_SHAPER_RAMA_EXP_REGION21_LUT_OFFSET, curve[1].offset,
958 		CM_SHAPER_RAMA_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
959 
960 	curve += 2;
961 	REG_SET_4(CM_SHAPER_RAMA_REGION_22_23, 0,
962 		CM_SHAPER_RAMA_EXP_REGION22_LUT_OFFSET, curve[0].offset,
963 		CM_SHAPER_RAMA_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
964 		CM_SHAPER_RAMA_EXP_REGION23_LUT_OFFSET, curve[1].offset,
965 		CM_SHAPER_RAMA_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
966 
967 	curve += 2;
968 	REG_SET_4(CM_SHAPER_RAMA_REGION_24_25, 0,
969 		CM_SHAPER_RAMA_EXP_REGION24_LUT_OFFSET, curve[0].offset,
970 		CM_SHAPER_RAMA_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
971 		CM_SHAPER_RAMA_EXP_REGION25_LUT_OFFSET, curve[1].offset,
972 		CM_SHAPER_RAMA_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
973 
974 	curve += 2;
975 	REG_SET_4(CM_SHAPER_RAMA_REGION_26_27, 0,
976 		CM_SHAPER_RAMA_EXP_REGION26_LUT_OFFSET, curve[0].offset,
977 		CM_SHAPER_RAMA_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
978 		CM_SHAPER_RAMA_EXP_REGION27_LUT_OFFSET, curve[1].offset,
979 		CM_SHAPER_RAMA_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
980 
981 	curve += 2;
982 	REG_SET_4(CM_SHAPER_RAMA_REGION_28_29, 0,
983 		CM_SHAPER_RAMA_EXP_REGION28_LUT_OFFSET, curve[0].offset,
984 		CM_SHAPER_RAMA_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
985 		CM_SHAPER_RAMA_EXP_REGION29_LUT_OFFSET, curve[1].offset,
986 		CM_SHAPER_RAMA_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
987 
988 	curve += 2;
989 	REG_SET_4(CM_SHAPER_RAMA_REGION_30_31, 0,
990 		CM_SHAPER_RAMA_EXP_REGION30_LUT_OFFSET, curve[0].offset,
991 		CM_SHAPER_RAMA_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
992 		CM_SHAPER_RAMA_EXP_REGION31_LUT_OFFSET, curve[1].offset,
993 		CM_SHAPER_RAMA_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
994 
995 	curve += 2;
996 	REG_SET_4(CM_SHAPER_RAMA_REGION_32_33, 0,
997 		CM_SHAPER_RAMA_EXP_REGION32_LUT_OFFSET, curve[0].offset,
998 		CM_SHAPER_RAMA_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
999 		CM_SHAPER_RAMA_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1000 		CM_SHAPER_RAMA_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1001 }
1002 
1003 /*program shaper RAM B*/
1004 static void dpp3_program_shaper_lutb_settings(
1005 		struct dpp *dpp_base,
1006 		const struct pwl_params *params)
1007 {
1008 	const struct gamma_curve *curve;
1009 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1010 
1011 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_B, 0,
1012 		CM_SHAPER_RAMB_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
1013 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_B, 0);
1014 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_G, 0,
1015 		CM_SHAPER_RAMB_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
1016 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_G, 0);
1017 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_R, 0,
1018 		CM_SHAPER_RAMB_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
1019 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_R, 0);
1020 
1021 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_B, 0,
1022 		CM_SHAPER_RAMB_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
1023 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
1024 
1025 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_G, 0,
1026 		CM_SHAPER_RAMB_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
1027 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
1028 
1029 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_R, 0,
1030 		CM_SHAPER_RAMB_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
1031 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
1032 
1033 	curve = params->arr_curve_points;
1034 	REG_SET_4(CM_SHAPER_RAMB_REGION_0_1, 0,
1035 		CM_SHAPER_RAMB_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1036 		CM_SHAPER_RAMB_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1037 		CM_SHAPER_RAMB_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1038 		CM_SHAPER_RAMB_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1039 
1040 	curve += 2;
1041 	REG_SET_4(CM_SHAPER_RAMB_REGION_2_3, 0,
1042 		CM_SHAPER_RAMB_EXP_REGION2_LUT_OFFSET, curve[0].offset,
1043 		CM_SHAPER_RAMB_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
1044 		CM_SHAPER_RAMB_EXP_REGION3_LUT_OFFSET, curve[1].offset,
1045 		CM_SHAPER_RAMB_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
1046 
1047 	curve += 2;
1048 	REG_SET_4(CM_SHAPER_RAMB_REGION_4_5, 0,
1049 		CM_SHAPER_RAMB_EXP_REGION4_LUT_OFFSET, curve[0].offset,
1050 		CM_SHAPER_RAMB_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
1051 		CM_SHAPER_RAMB_EXP_REGION5_LUT_OFFSET, curve[1].offset,
1052 		CM_SHAPER_RAMB_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
1053 
1054 	curve += 2;
1055 	REG_SET_4(CM_SHAPER_RAMB_REGION_6_7, 0,
1056 		CM_SHAPER_RAMB_EXP_REGION6_LUT_OFFSET, curve[0].offset,
1057 		CM_SHAPER_RAMB_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
1058 		CM_SHAPER_RAMB_EXP_REGION7_LUT_OFFSET, curve[1].offset,
1059 		CM_SHAPER_RAMB_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
1060 
1061 	curve += 2;
1062 	REG_SET_4(CM_SHAPER_RAMB_REGION_8_9, 0,
1063 		CM_SHAPER_RAMB_EXP_REGION8_LUT_OFFSET, curve[0].offset,
1064 		CM_SHAPER_RAMB_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
1065 		CM_SHAPER_RAMB_EXP_REGION9_LUT_OFFSET, curve[1].offset,
1066 		CM_SHAPER_RAMB_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
1067 
1068 	curve += 2;
1069 	REG_SET_4(CM_SHAPER_RAMB_REGION_10_11, 0,
1070 		CM_SHAPER_RAMB_EXP_REGION10_LUT_OFFSET, curve[0].offset,
1071 		CM_SHAPER_RAMB_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
1072 		CM_SHAPER_RAMB_EXP_REGION11_LUT_OFFSET, curve[1].offset,
1073 		CM_SHAPER_RAMB_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
1074 
1075 	curve += 2;
1076 	REG_SET_4(CM_SHAPER_RAMB_REGION_12_13, 0,
1077 		CM_SHAPER_RAMB_EXP_REGION12_LUT_OFFSET, curve[0].offset,
1078 		CM_SHAPER_RAMB_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
1079 		CM_SHAPER_RAMB_EXP_REGION13_LUT_OFFSET, curve[1].offset,
1080 		CM_SHAPER_RAMB_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
1081 
1082 	curve += 2;
1083 	REG_SET_4(CM_SHAPER_RAMB_REGION_14_15, 0,
1084 		CM_SHAPER_RAMB_EXP_REGION14_LUT_OFFSET, curve[0].offset,
1085 		CM_SHAPER_RAMB_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
1086 		CM_SHAPER_RAMB_EXP_REGION15_LUT_OFFSET, curve[1].offset,
1087 		CM_SHAPER_RAMB_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
1088 
1089 	curve += 2;
1090 	REG_SET_4(CM_SHAPER_RAMB_REGION_16_17, 0,
1091 		CM_SHAPER_RAMB_EXP_REGION16_LUT_OFFSET, curve[0].offset,
1092 		CM_SHAPER_RAMB_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
1093 		CM_SHAPER_RAMB_EXP_REGION17_LUT_OFFSET, curve[1].offset,
1094 		CM_SHAPER_RAMB_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
1095 
1096 	curve += 2;
1097 	REG_SET_4(CM_SHAPER_RAMB_REGION_18_19, 0,
1098 		CM_SHAPER_RAMB_EXP_REGION18_LUT_OFFSET, curve[0].offset,
1099 		CM_SHAPER_RAMB_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
1100 		CM_SHAPER_RAMB_EXP_REGION19_LUT_OFFSET, curve[1].offset,
1101 		CM_SHAPER_RAMB_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
1102 
1103 	curve += 2;
1104 	REG_SET_4(CM_SHAPER_RAMB_REGION_20_21, 0,
1105 		CM_SHAPER_RAMB_EXP_REGION20_LUT_OFFSET, curve[0].offset,
1106 		CM_SHAPER_RAMB_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
1107 		CM_SHAPER_RAMB_EXP_REGION21_LUT_OFFSET, curve[1].offset,
1108 		CM_SHAPER_RAMB_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
1109 
1110 	curve += 2;
1111 	REG_SET_4(CM_SHAPER_RAMB_REGION_22_23, 0,
1112 		CM_SHAPER_RAMB_EXP_REGION22_LUT_OFFSET, curve[0].offset,
1113 		CM_SHAPER_RAMB_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
1114 		CM_SHAPER_RAMB_EXP_REGION23_LUT_OFFSET, curve[1].offset,
1115 		CM_SHAPER_RAMB_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
1116 
1117 	curve += 2;
1118 	REG_SET_4(CM_SHAPER_RAMB_REGION_24_25, 0,
1119 		CM_SHAPER_RAMB_EXP_REGION24_LUT_OFFSET, curve[0].offset,
1120 		CM_SHAPER_RAMB_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
1121 		CM_SHAPER_RAMB_EXP_REGION25_LUT_OFFSET, curve[1].offset,
1122 		CM_SHAPER_RAMB_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
1123 
1124 	curve += 2;
1125 	REG_SET_4(CM_SHAPER_RAMB_REGION_26_27, 0,
1126 		CM_SHAPER_RAMB_EXP_REGION26_LUT_OFFSET, curve[0].offset,
1127 		CM_SHAPER_RAMB_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
1128 		CM_SHAPER_RAMB_EXP_REGION27_LUT_OFFSET, curve[1].offset,
1129 		CM_SHAPER_RAMB_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
1130 
1131 	curve += 2;
1132 	REG_SET_4(CM_SHAPER_RAMB_REGION_28_29, 0,
1133 		CM_SHAPER_RAMB_EXP_REGION28_LUT_OFFSET, curve[0].offset,
1134 		CM_SHAPER_RAMB_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
1135 		CM_SHAPER_RAMB_EXP_REGION29_LUT_OFFSET, curve[1].offset,
1136 		CM_SHAPER_RAMB_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
1137 
1138 	curve += 2;
1139 	REG_SET_4(CM_SHAPER_RAMB_REGION_30_31, 0,
1140 		CM_SHAPER_RAMB_EXP_REGION30_LUT_OFFSET, curve[0].offset,
1141 		CM_SHAPER_RAMB_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
1142 		CM_SHAPER_RAMB_EXP_REGION31_LUT_OFFSET, curve[1].offset,
1143 		CM_SHAPER_RAMB_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
1144 
1145 	curve += 2;
1146 	REG_SET_4(CM_SHAPER_RAMB_REGION_32_33, 0,
1147 		CM_SHAPER_RAMB_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1148 		CM_SHAPER_RAMB_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1149 		CM_SHAPER_RAMB_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1150 		CM_SHAPER_RAMB_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1151 
1152 }
1153 
1154 
1155 static bool dpp3_program_shaper(struct dpp *dpp_base,
1156 				const struct pwl_params *params)
1157 {
1158 	enum dc_lut_mode current_mode;
1159 	enum dc_lut_mode next_mode;
1160 
1161 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1162 
1163 	if (params == NULL) {
1164 		REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, 0);
1165 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1166 			dpp3_power_on_shaper(dpp_base, false);
1167 		return false;
1168 	}
1169 
1170 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1171 		dpp3_power_on_shaper(dpp_base, true);
1172 
1173 	current_mode = dpp3_get_shaper_current(dpp_base);
1174 
1175 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_A)
1176 		next_mode = LUT_RAM_B;
1177 	else
1178 		next_mode = LUT_RAM_A;
1179 
1180 	dpp3_configure_shaper_lut(dpp_base, next_mode == LUT_RAM_A);
1181 
1182 	if (next_mode == LUT_RAM_A)
1183 		dpp3_program_shaper_luta_settings(dpp_base, params);
1184 	else
1185 		dpp3_program_shaper_lutb_settings(dpp_base, params);
1186 
1187 	dpp3_program_shaper_lut(
1188 			dpp_base, params->rgb_resulted, params->hw_points_num);
1189 
1190 	REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, next_mode == LUT_RAM_A ? 1:2);
1191 
1192 	return true;
1193 
1194 }
1195 
1196 static enum dc_lut_mode get3dlut_config(
1197 			struct dpp *dpp_base,
1198 			bool *is_17x17x17,
1199 			bool *is_12bits_color_channel)
1200 {
1201 	uint32_t i_mode, i_enable_10bits, lut_size;
1202 	enum dc_lut_mode mode;
1203 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1204 
1205 	REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
1206 			CM_3DLUT_30BIT_EN, &i_enable_10bits);
1207 	REG_GET(CM_3DLUT_MODE,
1208 			CM_3DLUT_MODE_CURRENT, &i_mode);
1209 
1210 	switch (i_mode) {
1211 	case 0:
1212 		mode = LUT_BYPASS;
1213 		break;
1214 	case 1:
1215 		mode = LUT_RAM_A;
1216 		break;
1217 	case 2:
1218 		mode = LUT_RAM_B;
1219 		break;
1220 	default:
1221 		mode = LUT_BYPASS;
1222 		break;
1223 	}
1224 	if (i_enable_10bits > 0)
1225 		*is_12bits_color_channel = false;
1226 	else
1227 		*is_12bits_color_channel = true;
1228 
1229 	REG_GET(CM_3DLUT_MODE, CM_3DLUT_SIZE, &lut_size);
1230 
1231 	if (lut_size == 0)
1232 		*is_17x17x17 = true;
1233 	else
1234 		*is_17x17x17 = false;
1235 
1236 	return mode;
1237 }
1238 /*
1239  * select ramA or ramB, or bypass
1240  * select color channel size 10 or 12 bits
1241  * select 3dlut size 17x17x17 or 9x9x9
1242  */
1243 static void dpp3_set_3dlut_mode(
1244 		struct dpp *dpp_base,
1245 		enum dc_lut_mode mode,
1246 		bool is_color_channel_12bits,
1247 		bool is_lut_size17x17x17)
1248 {
1249 	uint32_t lut_mode;
1250 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1251 
1252 	if (mode == LUT_BYPASS)
1253 		lut_mode = 0;
1254 	else if (mode == LUT_RAM_A)
1255 		lut_mode = 1;
1256 	else
1257 		lut_mode = 2;
1258 
1259 	REG_UPDATE_2(CM_3DLUT_MODE,
1260 			CM_3DLUT_MODE, lut_mode,
1261 			CM_3DLUT_SIZE, is_lut_size17x17x17 == true ? 0 : 1);
1262 }
1263 
1264 static void dpp3_select_3dlut_ram(
1265 		struct dpp *dpp_base,
1266 		enum dc_lut_mode mode,
1267 		bool is_color_channel_12bits)
1268 {
1269 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1270 
1271 	REG_UPDATE_2(CM_3DLUT_READ_WRITE_CONTROL,
1272 			CM_3DLUT_RAM_SEL, mode == LUT_RAM_A ? 0 : 1,
1273 			CM_3DLUT_30BIT_EN,
1274 			is_color_channel_12bits == true ? 0:1);
1275 }
1276 
1277 
1278 
1279 static void dpp3_set3dlut_ram12(
1280 		struct dpp *dpp_base,
1281 		const struct dc_rgb *lut,
1282 		uint32_t entries)
1283 {
1284 	uint32_t i, red, green, blue, red1, green1, blue1;
1285 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1286 
1287 	for (i = 0 ; i < entries; i += 2) {
1288 		red   = lut[i].red<<4;
1289 		green = lut[i].green<<4;
1290 		blue  = lut[i].blue<<4;
1291 		red1   = lut[i+1].red<<4;
1292 		green1 = lut[i+1].green<<4;
1293 		blue1  = lut[i+1].blue<<4;
1294 
1295 		REG_SET_2(CM_3DLUT_DATA, 0,
1296 				CM_3DLUT_DATA0, red,
1297 				CM_3DLUT_DATA1, red1);
1298 
1299 		REG_SET_2(CM_3DLUT_DATA, 0,
1300 				CM_3DLUT_DATA0, green,
1301 				CM_3DLUT_DATA1, green1);
1302 
1303 		REG_SET_2(CM_3DLUT_DATA, 0,
1304 				CM_3DLUT_DATA0, blue,
1305 				CM_3DLUT_DATA1, blue1);
1306 
1307 	}
1308 }
1309 
1310 /*
1311  * load selected lut with 10 bits color channels
1312  */
1313 static void dpp3_set3dlut_ram10(
1314 		struct dpp *dpp_base,
1315 		const struct dc_rgb *lut,
1316 		uint32_t entries)
1317 {
1318 	uint32_t i, red, green, blue, value;
1319 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1320 
1321 	for (i = 0; i < entries; i++) {
1322 		red   = lut[i].red;
1323 		green = lut[i].green;
1324 		blue  = lut[i].blue;
1325 
1326 		value = (red<<20) | (green<<10) | blue;
1327 
1328 		REG_SET(CM_3DLUT_DATA_30BIT, 0, CM_3DLUT_DATA_30BIT, value);
1329 	}
1330 
1331 }
1332 
1333 
1334 static void dpp3_select_3dlut_ram_mask(
1335 		struct dpp *dpp_base,
1336 		uint32_t ram_selection_mask)
1337 {
1338 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1339 
1340 	REG_UPDATE(CM_3DLUT_READ_WRITE_CONTROL, CM_3DLUT_WRITE_EN_MASK,
1341 			ram_selection_mask);
1342 	REG_SET(CM_3DLUT_INDEX, 0, CM_3DLUT_INDEX, 0);
1343 }
1344 
1345 static bool dpp3_program_3dlut(struct dpp *dpp_base,
1346 			       struct tetrahedral_params *params)
1347 {
1348 	enum dc_lut_mode mode;
1349 	bool is_17x17x17;
1350 	bool is_12bits_color_channel;
1351 	struct dc_rgb *lut0;
1352 	struct dc_rgb *lut1;
1353 	struct dc_rgb *lut2;
1354 	struct dc_rgb *lut3;
1355 	int lut_size0;
1356 	int lut_size;
1357 
1358 	if (params == NULL) {
1359 		dpp3_set_3dlut_mode(dpp_base, LUT_BYPASS, false, false);
1360 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1361 			dpp3_power_on_hdr3dlut(dpp_base, false);
1362 		return false;
1363 	}
1364 
1365 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1366 		dpp3_power_on_hdr3dlut(dpp_base, true);
1367 
1368 	mode = get3dlut_config(dpp_base, &is_17x17x17, &is_12bits_color_channel);
1369 
1370 	if (mode == LUT_BYPASS || mode == LUT_RAM_B)
1371 		mode = LUT_RAM_A;
1372 	else
1373 		mode = LUT_RAM_B;
1374 
1375 	is_17x17x17 = !params->use_tetrahedral_9;
1376 	is_12bits_color_channel = params->use_12bits;
1377 	if (is_17x17x17) {
1378 		lut0 = params->tetrahedral_17.lut0;
1379 		lut1 = params->tetrahedral_17.lut1;
1380 		lut2 = params->tetrahedral_17.lut2;
1381 		lut3 = params->tetrahedral_17.lut3;
1382 		lut_size0 = sizeof(params->tetrahedral_17.lut0)/
1383 					sizeof(params->tetrahedral_17.lut0[0]);
1384 		lut_size  = sizeof(params->tetrahedral_17.lut1)/
1385 					sizeof(params->tetrahedral_17.lut1[0]);
1386 	} else {
1387 		lut0 = params->tetrahedral_9.lut0;
1388 		lut1 = params->tetrahedral_9.lut1;
1389 		lut2 = params->tetrahedral_9.lut2;
1390 		lut3 = params->tetrahedral_9.lut3;
1391 		lut_size0 = sizeof(params->tetrahedral_9.lut0)/
1392 				sizeof(params->tetrahedral_9.lut0[0]);
1393 		lut_size  = sizeof(params->tetrahedral_9.lut1)/
1394 				sizeof(params->tetrahedral_9.lut1[0]);
1395 		}
1396 
1397 	dpp3_select_3dlut_ram(dpp_base, mode,
1398 				is_12bits_color_channel);
1399 	dpp3_select_3dlut_ram_mask(dpp_base, 0x1);
1400 	if (is_12bits_color_channel)
1401 		dpp3_set3dlut_ram12(dpp_base, lut0, lut_size0);
1402 	else
1403 		dpp3_set3dlut_ram10(dpp_base, lut0, lut_size0);
1404 
1405 	dpp3_select_3dlut_ram_mask(dpp_base, 0x2);
1406 	if (is_12bits_color_channel)
1407 		dpp3_set3dlut_ram12(dpp_base, lut1, lut_size);
1408 	else
1409 		dpp3_set3dlut_ram10(dpp_base, lut1, lut_size);
1410 
1411 	dpp3_select_3dlut_ram_mask(dpp_base, 0x4);
1412 	if (is_12bits_color_channel)
1413 		dpp3_set3dlut_ram12(dpp_base, lut2, lut_size);
1414 	else
1415 		dpp3_set3dlut_ram10(dpp_base, lut2, lut_size);
1416 
1417 	dpp3_select_3dlut_ram_mask(dpp_base, 0x8);
1418 	if (is_12bits_color_channel)
1419 		dpp3_set3dlut_ram12(dpp_base, lut3, lut_size);
1420 	else
1421 		dpp3_set3dlut_ram10(dpp_base, lut3, lut_size);
1422 
1423 
1424 	dpp3_set_3dlut_mode(dpp_base, mode, is_12bits_color_channel,
1425 					is_17x17x17);
1426 
1427 	return true;
1428 }
1429 static struct dpp_funcs dcn30_dpp_funcs = {
1430 	.dpp_program_gamcor_lut = dpp3_program_gamcor_lut,
1431 	.dpp_read_state			= dpp30_read_state,
1432 	.dpp_reset			= dpp_reset,
1433 	.dpp_set_scaler			= dpp1_dscl_set_scaler_manual_scale,
1434 	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
1435 	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
1436 	.dpp_set_csc_adjustment		= NULL,
1437 	.dpp_set_csc_default		= NULL,
1438 	.dpp_program_regamma_pwl	= NULL,
1439 	.dpp_set_pre_degam		= dpp3_set_pre_degam,
1440 	.dpp_program_input_lut		= NULL,
1441 	.dpp_full_bypass		= dpp1_full_bypass,
1442 	.dpp_setup			= dpp3_cnv_setup,
1443 	.dpp_program_degamma_pwl	= NULL,
1444 	.dpp_program_cm_dealpha = dpp3_program_cm_dealpha,
1445 	.dpp_program_cm_bias = dpp3_program_cm_bias,
1446 	.dpp_program_blnd_lut = dpp3_program_blnd_lut,
1447 	.dpp_program_shaper_lut = dpp3_program_shaper,
1448 	.dpp_program_3dlut = dpp3_program_3dlut,
1449 	.dpp_deferred_update = dpp3_deferred_update,
1450 	.dpp_program_bias_and_scale	= NULL,
1451 	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
1452 	.set_cursor_attributes		= dpp3_set_cursor_attributes,
1453 	.set_cursor_position		= dpp1_set_cursor_position,
1454 	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
1455 	.dpp_dppclk_control		= dpp1_dppclk_control,
1456 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
1457 };
1458 
1459 
1460 static struct dpp_caps dcn30_dpp_cap = {
1461 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
1462 	.dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
1463 };
1464 
1465 bool dpp3_construct(
1466 	struct dcn3_dpp *dpp,
1467 	struct dc_context *ctx,
1468 	uint32_t inst,
1469 	const struct dcn3_dpp_registers *tf_regs,
1470 	const struct dcn3_dpp_shift *tf_shift,
1471 	const struct dcn3_dpp_mask *tf_mask)
1472 {
1473 	dpp->base.ctx = ctx;
1474 
1475 	dpp->base.inst = inst;
1476 	dpp->base.funcs = &dcn30_dpp_funcs;
1477 	dpp->base.caps = &dcn30_dpp_cap;
1478 
1479 	dpp->tf_regs = tf_regs;
1480 	dpp->tf_shift = tf_shift;
1481 	dpp->tf_mask = tf_mask;
1482 
1483 	return true;
1484 }
1485 
1486