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 		cur_rom_en = 1;
362 
363 	REG_UPDATE_3(CURSOR0_CONTROL,
364 			CUR0_MODE, color_format,
365 			CUR0_EXPANSION_MODE, 0,
366 			CUR0_ROM_EN, cur_rom_en);
367 
368 	if (color_format == CURSOR_MODE_MONO) {
369 		/* todo: clarify what to program these to */
370 		REG_UPDATE(CURSOR0_COLOR0,
371 				CUR0_COLOR0, 0x00000000);
372 		REG_UPDATE(CURSOR0_COLOR1,
373 				CUR0_COLOR1, 0xFFFFFFFF);
374 	}
375 }
376 
377 
378 bool dpp3_get_optimal_number_of_taps(
379 		struct dpp *dpp,
380 		struct scaler_data *scl_data,
381 		const struct scaling_taps *in_taps)
382 {
383 	int num_part_y, num_part_c;
384 	int max_taps_y, max_taps_c;
385 	int min_taps_y, min_taps_c;
386 	enum lb_memory_config lb_config;
387 
388 	if (scl_data->viewport.width > scl_data->h_active &&
389 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
390 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
391 		return false;
392 
393 	/*
394 	 * Set default taps if none are provided
395 	 * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling
396 	 * taps = 4 for upscaling
397 	 */
398 	if (in_taps->h_taps == 0) {
399 		if (dc_fixpt_ceil(scl_data->ratios.horz) > 1)
400 			scl_data->taps.h_taps = min(2 * dc_fixpt_ceil(scl_data->ratios.horz), 8);
401 		else
402 			scl_data->taps.h_taps = 4;
403 	} else
404 		scl_data->taps.h_taps = in_taps->h_taps;
405 	if (in_taps->v_taps == 0) {
406 		if (dc_fixpt_ceil(scl_data->ratios.vert) > 1)
407 			scl_data->taps.v_taps = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert, 2)), 8);
408 		else
409 			scl_data->taps.v_taps = 4;
410 	} else
411 		scl_data->taps.v_taps = in_taps->v_taps;
412 	if (in_taps->v_taps_c == 0) {
413 		if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 1)
414 			scl_data->taps.v_taps_c = min(dc_fixpt_ceil(dc_fixpt_mul_int(scl_data->ratios.vert_c, 2)), 8);
415 		else
416 			scl_data->taps.v_taps_c = 4;
417 	} else
418 		scl_data->taps.v_taps_c = in_taps->v_taps_c;
419 	if (in_taps->h_taps_c == 0) {
420 		if (dc_fixpt_ceil(scl_data->ratios.horz_c) > 1)
421 			scl_data->taps.h_taps_c = min(2 * dc_fixpt_ceil(scl_data->ratios.horz_c), 8);
422 		else
423 			scl_data->taps.h_taps_c = 4;
424 	} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
425 		/* Only 1 and even h_taps_c are supported by hw */
426 		scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
427 	else
428 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
429 
430 	/*Ensure we can support the requested number of vtaps*/
431 	min_taps_y = dc_fixpt_ceil(scl_data->ratios.vert);
432 	min_taps_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
433 
434 	/* Use LB_MEMORY_CONFIG_3 for 4:2:0 */
435 	if ((scl_data->format == PIXEL_FORMAT_420BPP8) || (scl_data->format == PIXEL_FORMAT_420BPP10))
436 		lb_config = LB_MEMORY_CONFIG_3;
437 	else
438 		lb_config = LB_MEMORY_CONFIG_0;
439 
440 	dpp->caps->dscl_calc_lb_num_partitions(
441 			scl_data, lb_config, &num_part_y, &num_part_c);
442 
443 	/* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */
444 	if (dc_fixpt_ceil(scl_data->ratios.vert) > 2)
445 		max_taps_y = num_part_y - (dc_fixpt_ceil(scl_data->ratios.vert) - 2);
446 	else
447 		max_taps_y = num_part_y;
448 
449 	if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 2)
450 		max_taps_c = num_part_c - (dc_fixpt_ceil(scl_data->ratios.vert_c) - 2);
451 	else
452 		max_taps_c = num_part_c;
453 
454 	if (max_taps_y < min_taps_y)
455 		return false;
456 	else if (max_taps_c < min_taps_c)
457 		return false;
458 
459 	if (scl_data->taps.v_taps > max_taps_y)
460 		scl_data->taps.v_taps = max_taps_y;
461 
462 	if (scl_data->taps.v_taps_c > max_taps_c)
463 		scl_data->taps.v_taps_c = max_taps_c;
464 
465 	if (!dpp->ctx->dc->debug.always_scale) {
466 		if (IDENTITY_RATIO(scl_data->ratios.horz))
467 			scl_data->taps.h_taps = 1;
468 		if (IDENTITY_RATIO(scl_data->ratios.vert))
469 			scl_data->taps.v_taps = 1;
470 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
471 			scl_data->taps.h_taps_c = 1;
472 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
473 			scl_data->taps.v_taps_c = 1;
474 	}
475 
476 	return true;
477 }
478 
479 static void dpp3_deferred_update(struct dpp *dpp_base)
480 {
481 	int bypass_state;
482 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
483 
484 	if (dpp_base->deferred_reg_writes.bits.disable_dscl) {
485 		REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 3);
486 		dpp_base->deferred_reg_writes.bits.disable_dscl = false;
487 	}
488 
489 	if (dpp_base->deferred_reg_writes.bits.disable_gamcor) {
490 		REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_MODE_CURRENT, &bypass_state);
491 		if (bypass_state == 0) {	// only program if bypass was latched
492 			REG_UPDATE(CM_MEM_PWR_CTRL, GAMCOR_MEM_PWR_FORCE, 3);
493 		} else
494 			ASSERT(0); // LUT select was updated again before vupdate
495 		dpp_base->deferred_reg_writes.bits.disable_gamcor = false;
496 	}
497 
498 	if (dpp_base->deferred_reg_writes.bits.disable_blnd_lut) {
499 		REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &bypass_state);
500 		if (bypass_state == 0) {	// only program if bypass was latched
501 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 3);
502 		} else
503 			ASSERT(0); // LUT select was updated again before vupdate
504 		dpp_base->deferred_reg_writes.bits.disable_blnd_lut = false;
505 	}
506 
507 	if (dpp_base->deferred_reg_writes.bits.disable_3dlut) {
508 		REG_GET(CM_3DLUT_MODE, CM_3DLUT_MODE_CURRENT, &bypass_state);
509 		if (bypass_state == 0) {	// only program if bypass was latched
510 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 3);
511 		} else
512 			ASSERT(0); // LUT select was updated again before vupdate
513 		dpp_base->deferred_reg_writes.bits.disable_3dlut = false;
514 	}
515 
516 	if (dpp_base->deferred_reg_writes.bits.disable_shaper) {
517 		REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &bypass_state);
518 		if (bypass_state == 0) {	// only program if bypass was latched
519 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 3);
520 		} else
521 			ASSERT(0); // LUT select was updated again before vupdate
522 		dpp_base->deferred_reg_writes.bits.disable_shaper = false;
523 	}
524 }
525 
526 static void dpp3_power_on_blnd_lut(
527 	struct dpp *dpp_base,
528 	bool power_on)
529 {
530 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
531 
532 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
533 		if (power_on) {
534 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 0);
535 			REG_WAIT(CM_MEM_PWR_STATUS, BLNDGAM_MEM_PWR_STATE, 0, 1, 5);
536 		} else {
537 			dpp_base->ctx->dc->optimized_required = true;
538 			dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;
539 		}
540 	} else {
541 		REG_SET(CM_MEM_PWR_CTRL, 0,
542 				BLNDGAM_MEM_PWR_FORCE, power_on == true ? 0 : 1);
543 	}
544 }
545 
546 static void dpp3_power_on_hdr3dlut(
547 	struct dpp *dpp_base,
548 	bool power_on)
549 {
550 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
551 
552 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
553 		if (power_on) {
554 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 0);
555 			REG_WAIT(CM_MEM_PWR_STATUS2, HDR3DLUT_MEM_PWR_STATE, 0, 1, 5);
556 		} else {
557 			dpp_base->ctx->dc->optimized_required = true;
558 			dpp_base->deferred_reg_writes.bits.disable_3dlut = true;
559 		}
560 	}
561 }
562 
563 static void dpp3_power_on_shaper(
564 	struct dpp *dpp_base,
565 	bool power_on)
566 {
567 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
568 
569 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
570 		if (power_on) {
571 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 0);
572 			REG_WAIT(CM_MEM_PWR_STATUS2, SHAPER_MEM_PWR_STATE, 0, 1, 5);
573 		} else {
574 			dpp_base->ctx->dc->optimized_required = true;
575 			dpp_base->deferred_reg_writes.bits.disable_shaper = true;
576 		}
577 	}
578 }
579 
580 static void dpp3_configure_blnd_lut(
581 		struct dpp *dpp_base,
582 		bool is_ram_a)
583 {
584 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
585 
586 	REG_UPDATE_2(CM_BLNDGAM_LUT_CONTROL,
587 			CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 7,
588 			CM_BLNDGAM_LUT_HOST_SEL, is_ram_a == true ? 0 : 1);
589 
590 	REG_SET(CM_BLNDGAM_LUT_INDEX, 0, CM_BLNDGAM_LUT_INDEX, 0);
591 }
592 
593 static void dpp3_program_blnd_pwl(
594 		struct dpp *dpp_base,
595 		const struct pwl_result_data *rgb,
596 		uint32_t num)
597 {
598 	uint32_t i;
599 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
600 	uint32_t last_base_value_red = rgb[num-1].red_reg + rgb[num-1].delta_red_reg;
601 	uint32_t last_base_value_green = rgb[num-1].green_reg + rgb[num-1].delta_green_reg;
602 	uint32_t last_base_value_blue = rgb[num-1].blue_reg + rgb[num-1].delta_blue_reg;
603 
604 	if (is_rgb_equal(rgb, num)) {
605 		for (i = 0 ; i < num; i++)
606 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
607 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
608 	} else {
609 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 4);
610 		for (i = 0 ; i < num; i++)
611 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
612 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
613 
614 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 2);
615 		for (i = 0 ; i < num; i++)
616 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].green_reg);
617 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_green);
618 
619 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 1);
620 		for (i = 0 ; i < num; i++)
621 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].blue_reg);
622 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_blue);
623 	}
624 }
625 
626 static void dcn3_dpp_cm_get_reg_field(
627 		struct dcn3_dpp *dpp,
628 		struct dcn3_xfer_func_reg *reg)
629 {
630 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
631 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
632 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
633 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
634 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
635 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
636 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
637 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
638 
639 	reg->shifts.field_region_end = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
640 	reg->masks.field_region_end = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
641 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
642 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
643 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
644 	reg->masks.field_region_end_base = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
645 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
646 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
647 	reg->shifts.exp_region_start = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
648 	reg->masks.exp_region_start = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
649 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
650 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
651 }
652 
653 /*program blnd lut RAM A*/
654 static void dpp3_program_blnd_luta_settings(
655 		struct dpp *dpp_base,
656 		const struct pwl_params *params)
657 {
658 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
659 	struct dcn3_xfer_func_reg gam_regs;
660 
661 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
662 
663 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMA_START_CNTL_B);
664 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMA_START_CNTL_G);
665 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMA_START_CNTL_R);
666 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_B);
667 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_G);
668 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_R);
669 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMA_END_CNTL1_B);
670 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMA_END_CNTL2_B);
671 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMA_END_CNTL1_G);
672 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMA_END_CNTL2_G);
673 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMA_END_CNTL1_R);
674 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMA_END_CNTL2_R);
675 	gam_regs.region_start = REG(CM_BLNDGAM_RAMA_REGION_0_1);
676 	gam_regs.region_end = REG(CM_BLNDGAM_RAMA_REGION_32_33);
677 
678 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
679 }
680 
681 /*program blnd lut RAM B*/
682 static void dpp3_program_blnd_lutb_settings(
683 		struct dpp *dpp_base,
684 		const struct pwl_params *params)
685 {
686 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
687 	struct dcn3_xfer_func_reg gam_regs;
688 
689 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
690 
691 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMB_START_CNTL_B);
692 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMB_START_CNTL_G);
693 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMB_START_CNTL_R);
694 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_B);
695 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_G);
696 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_R);
697 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMB_END_CNTL1_B);
698 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMB_END_CNTL2_B);
699 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMB_END_CNTL1_G);
700 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMB_END_CNTL2_G);
701 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMB_END_CNTL1_R);
702 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMB_END_CNTL2_R);
703 	gam_regs.region_start = REG(CM_BLNDGAM_RAMB_REGION_0_1);
704 	gam_regs.region_end = REG(CM_BLNDGAM_RAMB_REGION_32_33);
705 
706 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
707 }
708 
709 static enum dc_lut_mode dpp3_get_blndgam_current(struct dpp *dpp_base)
710 {
711 	enum dc_lut_mode mode;
712 	uint32_t mode_current = 0;
713 	uint32_t in_use = 0;
714 
715 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
716 
717 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &mode_current);
718 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &in_use);
719 
720 	switch (mode_current) {
721 	case 0:
722 	case 1:
723 		mode = LUT_BYPASS;
724 		break;
725 
726 	case 2:
727 		if (in_use == 0)
728 			mode = LUT_RAM_A;
729 		else
730 			mode = LUT_RAM_B;
731 		break;
732 	default:
733 		mode = LUT_BYPASS;
734 		break;
735 	}
736 
737 	return mode;
738 }
739 
740 static bool dpp3_program_blnd_lut(struct dpp *dpp_base,
741 				  const struct pwl_params *params)
742 {
743 	enum dc_lut_mode current_mode;
744 	enum dc_lut_mode next_mode;
745 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
746 
747 	if (params == NULL) {
748 		REG_SET(CM_BLNDGAM_CONTROL, 0, CM_BLNDGAM_MODE, 0);
749 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
750 			dpp3_power_on_blnd_lut(dpp_base, false);
751 		return false;
752 	}
753 
754 	current_mode = dpp3_get_blndgam_current(dpp_base);
755 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_B)
756 		next_mode = LUT_RAM_A;
757 	else
758 		next_mode = LUT_RAM_B;
759 
760 	dpp3_power_on_blnd_lut(dpp_base, true);
761 	dpp3_configure_blnd_lut(dpp_base, next_mode == LUT_RAM_A);
762 
763 	if (next_mode == LUT_RAM_A)
764 		dpp3_program_blnd_luta_settings(dpp_base, params);
765 	else
766 		dpp3_program_blnd_lutb_settings(dpp_base, params);
767 
768 	dpp3_program_blnd_pwl(
769 			dpp_base, params->rgb_resulted, params->hw_points_num);
770 
771 	REG_UPDATE_2(CM_BLNDGAM_CONTROL,
772 			CM_BLNDGAM_MODE, 2,
773 			CM_BLNDGAM_SELECT, next_mode == LUT_RAM_A ? 0 : 1);
774 
775 	return true;
776 }
777 
778 
779 static void dpp3_program_shaper_lut(
780 		struct dpp *dpp_base,
781 		const struct pwl_result_data *rgb,
782 		uint32_t num)
783 {
784 	uint32_t i, red, green, blue;
785 	uint32_t  red_delta, green_delta, blue_delta;
786 	uint32_t  red_value, green_value, blue_value;
787 
788 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
789 
790 	for (i = 0 ; i < num; i++) {
791 
792 		red   = rgb[i].red_reg;
793 		green = rgb[i].green_reg;
794 		blue  = rgb[i].blue_reg;
795 
796 		red_delta   = rgb[i].delta_red_reg;
797 		green_delta = rgb[i].delta_green_reg;
798 		blue_delta  = rgb[i].delta_blue_reg;
799 
800 		red_value   = ((red_delta   & 0x3ff) << 14) | (red   & 0x3fff);
801 		green_value = ((green_delta & 0x3ff) << 14) | (green & 0x3fff);
802 		blue_value  = ((blue_delta  & 0x3ff) << 14) | (blue  & 0x3fff);
803 
804 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, red_value);
805 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, green_value);
806 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, blue_value);
807 	}
808 
809 }
810 
811 static enum dc_lut_mode dpp3_get_shaper_current(struct dpp *dpp_base)
812 {
813 	enum dc_lut_mode mode;
814 	uint32_t state_mode;
815 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
816 
817 	REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &state_mode);
818 
819 	switch (state_mode) {
820 	case 0:
821 		mode = LUT_BYPASS;
822 		break;
823 	case 1:
824 		mode = LUT_RAM_A;
825 		break;
826 	case 2:
827 		mode = LUT_RAM_B;
828 		break;
829 	default:
830 		mode = LUT_BYPASS;
831 		break;
832 	}
833 
834 	return mode;
835 }
836 
837 static void dpp3_configure_shaper_lut(
838 		struct dpp *dpp_base,
839 		bool is_ram_a)
840 {
841 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
842 
843 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
844 			CM_SHAPER_LUT_WRITE_EN_MASK, 7);
845 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
846 			CM_SHAPER_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
847 	REG_SET(CM_SHAPER_LUT_INDEX, 0, CM_SHAPER_LUT_INDEX, 0);
848 }
849 
850 /*program shaper RAM A*/
851 
852 static void dpp3_program_shaper_luta_settings(
853 		struct dpp *dpp_base,
854 		const struct pwl_params *params)
855 {
856 	const struct gamma_curve *curve;
857 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
858 
859 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_B, 0,
860 		CM_SHAPER_RAMA_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
861 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_B, 0);
862 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_G, 0,
863 		CM_SHAPER_RAMA_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
864 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_G, 0);
865 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_R, 0,
866 		CM_SHAPER_RAMA_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
867 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_R, 0);
868 
869 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_B, 0,
870 		CM_SHAPER_RAMA_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
871 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
872 
873 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_G, 0,
874 		CM_SHAPER_RAMA_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
875 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
876 
877 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_R, 0,
878 		CM_SHAPER_RAMA_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
879 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
880 
881 	curve = params->arr_curve_points;
882 	REG_SET_4(CM_SHAPER_RAMA_REGION_0_1, 0,
883 		CM_SHAPER_RAMA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
884 		CM_SHAPER_RAMA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
885 		CM_SHAPER_RAMA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
886 		CM_SHAPER_RAMA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
887 
888 	curve += 2;
889 	REG_SET_4(CM_SHAPER_RAMA_REGION_2_3, 0,
890 		CM_SHAPER_RAMA_EXP_REGION2_LUT_OFFSET, curve[0].offset,
891 		CM_SHAPER_RAMA_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
892 		CM_SHAPER_RAMA_EXP_REGION3_LUT_OFFSET, curve[1].offset,
893 		CM_SHAPER_RAMA_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
894 
895 	curve += 2;
896 	REG_SET_4(CM_SHAPER_RAMA_REGION_4_5, 0,
897 		CM_SHAPER_RAMA_EXP_REGION4_LUT_OFFSET, curve[0].offset,
898 		CM_SHAPER_RAMA_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
899 		CM_SHAPER_RAMA_EXP_REGION5_LUT_OFFSET, curve[1].offset,
900 		CM_SHAPER_RAMA_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
901 
902 	curve += 2;
903 	REG_SET_4(CM_SHAPER_RAMA_REGION_6_7, 0,
904 		CM_SHAPER_RAMA_EXP_REGION6_LUT_OFFSET, curve[0].offset,
905 		CM_SHAPER_RAMA_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
906 		CM_SHAPER_RAMA_EXP_REGION7_LUT_OFFSET, curve[1].offset,
907 		CM_SHAPER_RAMA_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
908 
909 	curve += 2;
910 	REG_SET_4(CM_SHAPER_RAMA_REGION_8_9, 0,
911 		CM_SHAPER_RAMA_EXP_REGION8_LUT_OFFSET, curve[0].offset,
912 		CM_SHAPER_RAMA_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
913 		CM_SHAPER_RAMA_EXP_REGION9_LUT_OFFSET, curve[1].offset,
914 		CM_SHAPER_RAMA_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
915 
916 	curve += 2;
917 	REG_SET_4(CM_SHAPER_RAMA_REGION_10_11, 0,
918 		CM_SHAPER_RAMA_EXP_REGION10_LUT_OFFSET, curve[0].offset,
919 		CM_SHAPER_RAMA_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
920 		CM_SHAPER_RAMA_EXP_REGION11_LUT_OFFSET, curve[1].offset,
921 		CM_SHAPER_RAMA_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
922 
923 	curve += 2;
924 	REG_SET_4(CM_SHAPER_RAMA_REGION_12_13, 0,
925 		CM_SHAPER_RAMA_EXP_REGION12_LUT_OFFSET, curve[0].offset,
926 		CM_SHAPER_RAMA_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
927 		CM_SHAPER_RAMA_EXP_REGION13_LUT_OFFSET, curve[1].offset,
928 		CM_SHAPER_RAMA_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
929 
930 	curve += 2;
931 	REG_SET_4(CM_SHAPER_RAMA_REGION_14_15, 0,
932 		CM_SHAPER_RAMA_EXP_REGION14_LUT_OFFSET, curve[0].offset,
933 		CM_SHAPER_RAMA_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
934 		CM_SHAPER_RAMA_EXP_REGION15_LUT_OFFSET, curve[1].offset,
935 		CM_SHAPER_RAMA_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
936 
937 	curve += 2;
938 	REG_SET_4(CM_SHAPER_RAMA_REGION_16_17, 0,
939 		CM_SHAPER_RAMA_EXP_REGION16_LUT_OFFSET, curve[0].offset,
940 		CM_SHAPER_RAMA_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
941 		CM_SHAPER_RAMA_EXP_REGION17_LUT_OFFSET, curve[1].offset,
942 		CM_SHAPER_RAMA_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
943 
944 	curve += 2;
945 	REG_SET_4(CM_SHAPER_RAMA_REGION_18_19, 0,
946 		CM_SHAPER_RAMA_EXP_REGION18_LUT_OFFSET, curve[0].offset,
947 		CM_SHAPER_RAMA_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
948 		CM_SHAPER_RAMA_EXP_REGION19_LUT_OFFSET, curve[1].offset,
949 		CM_SHAPER_RAMA_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
950 
951 	curve += 2;
952 	REG_SET_4(CM_SHAPER_RAMA_REGION_20_21, 0,
953 		CM_SHAPER_RAMA_EXP_REGION20_LUT_OFFSET, curve[0].offset,
954 		CM_SHAPER_RAMA_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
955 		CM_SHAPER_RAMA_EXP_REGION21_LUT_OFFSET, curve[1].offset,
956 		CM_SHAPER_RAMA_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
957 
958 	curve += 2;
959 	REG_SET_4(CM_SHAPER_RAMA_REGION_22_23, 0,
960 		CM_SHAPER_RAMA_EXP_REGION22_LUT_OFFSET, curve[0].offset,
961 		CM_SHAPER_RAMA_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
962 		CM_SHAPER_RAMA_EXP_REGION23_LUT_OFFSET, curve[1].offset,
963 		CM_SHAPER_RAMA_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
964 
965 	curve += 2;
966 	REG_SET_4(CM_SHAPER_RAMA_REGION_24_25, 0,
967 		CM_SHAPER_RAMA_EXP_REGION24_LUT_OFFSET, curve[0].offset,
968 		CM_SHAPER_RAMA_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
969 		CM_SHAPER_RAMA_EXP_REGION25_LUT_OFFSET, curve[1].offset,
970 		CM_SHAPER_RAMA_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
971 
972 	curve += 2;
973 	REG_SET_4(CM_SHAPER_RAMA_REGION_26_27, 0,
974 		CM_SHAPER_RAMA_EXP_REGION26_LUT_OFFSET, curve[0].offset,
975 		CM_SHAPER_RAMA_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
976 		CM_SHAPER_RAMA_EXP_REGION27_LUT_OFFSET, curve[1].offset,
977 		CM_SHAPER_RAMA_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
978 
979 	curve += 2;
980 	REG_SET_4(CM_SHAPER_RAMA_REGION_28_29, 0,
981 		CM_SHAPER_RAMA_EXP_REGION28_LUT_OFFSET, curve[0].offset,
982 		CM_SHAPER_RAMA_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
983 		CM_SHAPER_RAMA_EXP_REGION29_LUT_OFFSET, curve[1].offset,
984 		CM_SHAPER_RAMA_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
985 
986 	curve += 2;
987 	REG_SET_4(CM_SHAPER_RAMA_REGION_30_31, 0,
988 		CM_SHAPER_RAMA_EXP_REGION30_LUT_OFFSET, curve[0].offset,
989 		CM_SHAPER_RAMA_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
990 		CM_SHAPER_RAMA_EXP_REGION31_LUT_OFFSET, curve[1].offset,
991 		CM_SHAPER_RAMA_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
992 
993 	curve += 2;
994 	REG_SET_4(CM_SHAPER_RAMA_REGION_32_33, 0,
995 		CM_SHAPER_RAMA_EXP_REGION32_LUT_OFFSET, curve[0].offset,
996 		CM_SHAPER_RAMA_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
997 		CM_SHAPER_RAMA_EXP_REGION33_LUT_OFFSET, curve[1].offset,
998 		CM_SHAPER_RAMA_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
999 }
1000 
1001 /*program shaper RAM B*/
1002 static void dpp3_program_shaper_lutb_settings(
1003 		struct dpp *dpp_base,
1004 		const struct pwl_params *params)
1005 {
1006 	const struct gamma_curve *curve;
1007 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1008 
1009 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_B, 0,
1010 		CM_SHAPER_RAMB_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
1011 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_B, 0);
1012 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_G, 0,
1013 		CM_SHAPER_RAMB_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
1014 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_G, 0);
1015 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_R, 0,
1016 		CM_SHAPER_RAMB_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
1017 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_R, 0);
1018 
1019 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_B, 0,
1020 		CM_SHAPER_RAMB_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
1021 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
1022 
1023 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_G, 0,
1024 		CM_SHAPER_RAMB_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
1025 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
1026 
1027 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_R, 0,
1028 		CM_SHAPER_RAMB_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
1029 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
1030 
1031 	curve = params->arr_curve_points;
1032 	REG_SET_4(CM_SHAPER_RAMB_REGION_0_1, 0,
1033 		CM_SHAPER_RAMB_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1034 		CM_SHAPER_RAMB_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1035 		CM_SHAPER_RAMB_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1036 		CM_SHAPER_RAMB_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1037 
1038 	curve += 2;
1039 	REG_SET_4(CM_SHAPER_RAMB_REGION_2_3, 0,
1040 		CM_SHAPER_RAMB_EXP_REGION2_LUT_OFFSET, curve[0].offset,
1041 		CM_SHAPER_RAMB_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
1042 		CM_SHAPER_RAMB_EXP_REGION3_LUT_OFFSET, curve[1].offset,
1043 		CM_SHAPER_RAMB_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
1044 
1045 	curve += 2;
1046 	REG_SET_4(CM_SHAPER_RAMB_REGION_4_5, 0,
1047 		CM_SHAPER_RAMB_EXP_REGION4_LUT_OFFSET, curve[0].offset,
1048 		CM_SHAPER_RAMB_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
1049 		CM_SHAPER_RAMB_EXP_REGION5_LUT_OFFSET, curve[1].offset,
1050 		CM_SHAPER_RAMB_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
1051 
1052 	curve += 2;
1053 	REG_SET_4(CM_SHAPER_RAMB_REGION_6_7, 0,
1054 		CM_SHAPER_RAMB_EXP_REGION6_LUT_OFFSET, curve[0].offset,
1055 		CM_SHAPER_RAMB_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
1056 		CM_SHAPER_RAMB_EXP_REGION7_LUT_OFFSET, curve[1].offset,
1057 		CM_SHAPER_RAMB_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
1058 
1059 	curve += 2;
1060 	REG_SET_4(CM_SHAPER_RAMB_REGION_8_9, 0,
1061 		CM_SHAPER_RAMB_EXP_REGION8_LUT_OFFSET, curve[0].offset,
1062 		CM_SHAPER_RAMB_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
1063 		CM_SHAPER_RAMB_EXP_REGION9_LUT_OFFSET, curve[1].offset,
1064 		CM_SHAPER_RAMB_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
1065 
1066 	curve += 2;
1067 	REG_SET_4(CM_SHAPER_RAMB_REGION_10_11, 0,
1068 		CM_SHAPER_RAMB_EXP_REGION10_LUT_OFFSET, curve[0].offset,
1069 		CM_SHAPER_RAMB_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
1070 		CM_SHAPER_RAMB_EXP_REGION11_LUT_OFFSET, curve[1].offset,
1071 		CM_SHAPER_RAMB_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
1072 
1073 	curve += 2;
1074 	REG_SET_4(CM_SHAPER_RAMB_REGION_12_13, 0,
1075 		CM_SHAPER_RAMB_EXP_REGION12_LUT_OFFSET, curve[0].offset,
1076 		CM_SHAPER_RAMB_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
1077 		CM_SHAPER_RAMB_EXP_REGION13_LUT_OFFSET, curve[1].offset,
1078 		CM_SHAPER_RAMB_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
1079 
1080 	curve += 2;
1081 	REG_SET_4(CM_SHAPER_RAMB_REGION_14_15, 0,
1082 		CM_SHAPER_RAMB_EXP_REGION14_LUT_OFFSET, curve[0].offset,
1083 		CM_SHAPER_RAMB_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
1084 		CM_SHAPER_RAMB_EXP_REGION15_LUT_OFFSET, curve[1].offset,
1085 		CM_SHAPER_RAMB_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
1086 
1087 	curve += 2;
1088 	REG_SET_4(CM_SHAPER_RAMB_REGION_16_17, 0,
1089 		CM_SHAPER_RAMB_EXP_REGION16_LUT_OFFSET, curve[0].offset,
1090 		CM_SHAPER_RAMB_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
1091 		CM_SHAPER_RAMB_EXP_REGION17_LUT_OFFSET, curve[1].offset,
1092 		CM_SHAPER_RAMB_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
1093 
1094 	curve += 2;
1095 	REG_SET_4(CM_SHAPER_RAMB_REGION_18_19, 0,
1096 		CM_SHAPER_RAMB_EXP_REGION18_LUT_OFFSET, curve[0].offset,
1097 		CM_SHAPER_RAMB_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
1098 		CM_SHAPER_RAMB_EXP_REGION19_LUT_OFFSET, curve[1].offset,
1099 		CM_SHAPER_RAMB_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
1100 
1101 	curve += 2;
1102 	REG_SET_4(CM_SHAPER_RAMB_REGION_20_21, 0,
1103 		CM_SHAPER_RAMB_EXP_REGION20_LUT_OFFSET, curve[0].offset,
1104 		CM_SHAPER_RAMB_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
1105 		CM_SHAPER_RAMB_EXP_REGION21_LUT_OFFSET, curve[1].offset,
1106 		CM_SHAPER_RAMB_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
1107 
1108 	curve += 2;
1109 	REG_SET_4(CM_SHAPER_RAMB_REGION_22_23, 0,
1110 		CM_SHAPER_RAMB_EXP_REGION22_LUT_OFFSET, curve[0].offset,
1111 		CM_SHAPER_RAMB_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
1112 		CM_SHAPER_RAMB_EXP_REGION23_LUT_OFFSET, curve[1].offset,
1113 		CM_SHAPER_RAMB_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
1114 
1115 	curve += 2;
1116 	REG_SET_4(CM_SHAPER_RAMB_REGION_24_25, 0,
1117 		CM_SHAPER_RAMB_EXP_REGION24_LUT_OFFSET, curve[0].offset,
1118 		CM_SHAPER_RAMB_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
1119 		CM_SHAPER_RAMB_EXP_REGION25_LUT_OFFSET, curve[1].offset,
1120 		CM_SHAPER_RAMB_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
1121 
1122 	curve += 2;
1123 	REG_SET_4(CM_SHAPER_RAMB_REGION_26_27, 0,
1124 		CM_SHAPER_RAMB_EXP_REGION26_LUT_OFFSET, curve[0].offset,
1125 		CM_SHAPER_RAMB_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
1126 		CM_SHAPER_RAMB_EXP_REGION27_LUT_OFFSET, curve[1].offset,
1127 		CM_SHAPER_RAMB_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
1128 
1129 	curve += 2;
1130 	REG_SET_4(CM_SHAPER_RAMB_REGION_28_29, 0,
1131 		CM_SHAPER_RAMB_EXP_REGION28_LUT_OFFSET, curve[0].offset,
1132 		CM_SHAPER_RAMB_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
1133 		CM_SHAPER_RAMB_EXP_REGION29_LUT_OFFSET, curve[1].offset,
1134 		CM_SHAPER_RAMB_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
1135 
1136 	curve += 2;
1137 	REG_SET_4(CM_SHAPER_RAMB_REGION_30_31, 0,
1138 		CM_SHAPER_RAMB_EXP_REGION30_LUT_OFFSET, curve[0].offset,
1139 		CM_SHAPER_RAMB_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
1140 		CM_SHAPER_RAMB_EXP_REGION31_LUT_OFFSET, curve[1].offset,
1141 		CM_SHAPER_RAMB_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
1142 
1143 	curve += 2;
1144 	REG_SET_4(CM_SHAPER_RAMB_REGION_32_33, 0,
1145 		CM_SHAPER_RAMB_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1146 		CM_SHAPER_RAMB_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1147 		CM_SHAPER_RAMB_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1148 		CM_SHAPER_RAMB_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1149 
1150 }
1151 
1152 
1153 static bool dpp3_program_shaper(struct dpp *dpp_base,
1154 				const struct pwl_params *params)
1155 {
1156 	enum dc_lut_mode current_mode;
1157 	enum dc_lut_mode next_mode;
1158 
1159 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1160 
1161 	if (params == NULL) {
1162 		REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, 0);
1163 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1164 			dpp3_power_on_shaper(dpp_base, false);
1165 		return false;
1166 	}
1167 
1168 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1169 		dpp3_power_on_shaper(dpp_base, true);
1170 
1171 	current_mode = dpp3_get_shaper_current(dpp_base);
1172 
1173 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_A)
1174 		next_mode = LUT_RAM_B;
1175 	else
1176 		next_mode = LUT_RAM_A;
1177 
1178 	dpp3_configure_shaper_lut(dpp_base, next_mode == LUT_RAM_A);
1179 
1180 	if (next_mode == LUT_RAM_A)
1181 		dpp3_program_shaper_luta_settings(dpp_base, params);
1182 	else
1183 		dpp3_program_shaper_lutb_settings(dpp_base, params);
1184 
1185 	dpp3_program_shaper_lut(
1186 			dpp_base, params->rgb_resulted, params->hw_points_num);
1187 
1188 	REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, next_mode == LUT_RAM_A ? 1:2);
1189 
1190 	return true;
1191 
1192 }
1193 
1194 static enum dc_lut_mode get3dlut_config(
1195 			struct dpp *dpp_base,
1196 			bool *is_17x17x17,
1197 			bool *is_12bits_color_channel)
1198 {
1199 	uint32_t i_mode, i_enable_10bits, lut_size;
1200 	enum dc_lut_mode mode;
1201 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1202 
1203 	REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
1204 			CM_3DLUT_30BIT_EN, &i_enable_10bits);
1205 	REG_GET(CM_3DLUT_MODE,
1206 			CM_3DLUT_MODE_CURRENT, &i_mode);
1207 
1208 	switch (i_mode) {
1209 	case 0:
1210 		mode = LUT_BYPASS;
1211 		break;
1212 	case 1:
1213 		mode = LUT_RAM_A;
1214 		break;
1215 	case 2:
1216 		mode = LUT_RAM_B;
1217 		break;
1218 	default:
1219 		mode = LUT_BYPASS;
1220 		break;
1221 	}
1222 	if (i_enable_10bits > 0)
1223 		*is_12bits_color_channel = false;
1224 	else
1225 		*is_12bits_color_channel = true;
1226 
1227 	REG_GET(CM_3DLUT_MODE, CM_3DLUT_SIZE, &lut_size);
1228 
1229 	if (lut_size == 0)
1230 		*is_17x17x17 = true;
1231 	else
1232 		*is_17x17x17 = false;
1233 
1234 	return mode;
1235 }
1236 /*
1237  * select ramA or ramB, or bypass
1238  * select color channel size 10 or 12 bits
1239  * select 3dlut size 17x17x17 or 9x9x9
1240  */
1241 static void dpp3_set_3dlut_mode(
1242 		struct dpp *dpp_base,
1243 		enum dc_lut_mode mode,
1244 		bool is_color_channel_12bits,
1245 		bool is_lut_size17x17x17)
1246 {
1247 	uint32_t lut_mode;
1248 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1249 
1250 	if (mode == LUT_BYPASS)
1251 		lut_mode = 0;
1252 	else if (mode == LUT_RAM_A)
1253 		lut_mode = 1;
1254 	else
1255 		lut_mode = 2;
1256 
1257 	REG_UPDATE_2(CM_3DLUT_MODE,
1258 			CM_3DLUT_MODE, lut_mode,
1259 			CM_3DLUT_SIZE, is_lut_size17x17x17 == true ? 0 : 1);
1260 }
1261 
1262 static void dpp3_select_3dlut_ram(
1263 		struct dpp *dpp_base,
1264 		enum dc_lut_mode mode,
1265 		bool is_color_channel_12bits)
1266 {
1267 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1268 
1269 	REG_UPDATE_2(CM_3DLUT_READ_WRITE_CONTROL,
1270 			CM_3DLUT_RAM_SEL, mode == LUT_RAM_A ? 0 : 1,
1271 			CM_3DLUT_30BIT_EN,
1272 			is_color_channel_12bits == true ? 0:1);
1273 }
1274 
1275 
1276 
1277 static void dpp3_set3dlut_ram12(
1278 		struct dpp *dpp_base,
1279 		const struct dc_rgb *lut,
1280 		uint32_t entries)
1281 {
1282 	uint32_t i, red, green, blue, red1, green1, blue1;
1283 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1284 
1285 	for (i = 0 ; i < entries; i += 2) {
1286 		red   = lut[i].red<<4;
1287 		green = lut[i].green<<4;
1288 		blue  = lut[i].blue<<4;
1289 		red1   = lut[i+1].red<<4;
1290 		green1 = lut[i+1].green<<4;
1291 		blue1  = lut[i+1].blue<<4;
1292 
1293 		REG_SET_2(CM_3DLUT_DATA, 0,
1294 				CM_3DLUT_DATA0, red,
1295 				CM_3DLUT_DATA1, red1);
1296 
1297 		REG_SET_2(CM_3DLUT_DATA, 0,
1298 				CM_3DLUT_DATA0, green,
1299 				CM_3DLUT_DATA1, green1);
1300 
1301 		REG_SET_2(CM_3DLUT_DATA, 0,
1302 				CM_3DLUT_DATA0, blue,
1303 				CM_3DLUT_DATA1, blue1);
1304 
1305 	}
1306 }
1307 
1308 /*
1309  * load selected lut with 10 bits color channels
1310  */
1311 static void dpp3_set3dlut_ram10(
1312 		struct dpp *dpp_base,
1313 		const struct dc_rgb *lut,
1314 		uint32_t entries)
1315 {
1316 	uint32_t i, red, green, blue, value;
1317 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1318 
1319 	for (i = 0; i < entries; i++) {
1320 		red   = lut[i].red;
1321 		green = lut[i].green;
1322 		blue  = lut[i].blue;
1323 
1324 		value = (red<<20) | (green<<10) | blue;
1325 
1326 		REG_SET(CM_3DLUT_DATA_30BIT, 0, CM_3DLUT_DATA_30BIT, value);
1327 	}
1328 
1329 }
1330 
1331 
1332 static void dpp3_select_3dlut_ram_mask(
1333 		struct dpp *dpp_base,
1334 		uint32_t ram_selection_mask)
1335 {
1336 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1337 
1338 	REG_UPDATE(CM_3DLUT_READ_WRITE_CONTROL, CM_3DLUT_WRITE_EN_MASK,
1339 			ram_selection_mask);
1340 	REG_SET(CM_3DLUT_INDEX, 0, CM_3DLUT_INDEX, 0);
1341 }
1342 
1343 static bool dpp3_program_3dlut(struct dpp *dpp_base,
1344 			       struct tetrahedral_params *params)
1345 {
1346 	enum dc_lut_mode mode;
1347 	bool is_17x17x17;
1348 	bool is_12bits_color_channel;
1349 	struct dc_rgb *lut0;
1350 	struct dc_rgb *lut1;
1351 	struct dc_rgb *lut2;
1352 	struct dc_rgb *lut3;
1353 	int lut_size0;
1354 	int lut_size;
1355 
1356 	if (params == NULL) {
1357 		dpp3_set_3dlut_mode(dpp_base, LUT_BYPASS, false, false);
1358 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1359 			dpp3_power_on_hdr3dlut(dpp_base, false);
1360 		return false;
1361 	}
1362 
1363 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1364 		dpp3_power_on_hdr3dlut(dpp_base, true);
1365 
1366 	mode = get3dlut_config(dpp_base, &is_17x17x17, &is_12bits_color_channel);
1367 
1368 	if (mode == LUT_BYPASS || mode == LUT_RAM_B)
1369 		mode = LUT_RAM_A;
1370 	else
1371 		mode = LUT_RAM_B;
1372 
1373 	is_17x17x17 = !params->use_tetrahedral_9;
1374 	is_12bits_color_channel = params->use_12bits;
1375 	if (is_17x17x17) {
1376 		lut0 = params->tetrahedral_17.lut0;
1377 		lut1 = params->tetrahedral_17.lut1;
1378 		lut2 = params->tetrahedral_17.lut2;
1379 		lut3 = params->tetrahedral_17.lut3;
1380 		lut_size0 = sizeof(params->tetrahedral_17.lut0)/
1381 					sizeof(params->tetrahedral_17.lut0[0]);
1382 		lut_size  = sizeof(params->tetrahedral_17.lut1)/
1383 					sizeof(params->tetrahedral_17.lut1[0]);
1384 	} else {
1385 		lut0 = params->tetrahedral_9.lut0;
1386 		lut1 = params->tetrahedral_9.lut1;
1387 		lut2 = params->tetrahedral_9.lut2;
1388 		lut3 = params->tetrahedral_9.lut3;
1389 		lut_size0 = sizeof(params->tetrahedral_9.lut0)/
1390 				sizeof(params->tetrahedral_9.lut0[0]);
1391 		lut_size  = sizeof(params->tetrahedral_9.lut1)/
1392 				sizeof(params->tetrahedral_9.lut1[0]);
1393 		}
1394 
1395 	dpp3_select_3dlut_ram(dpp_base, mode,
1396 				is_12bits_color_channel);
1397 	dpp3_select_3dlut_ram_mask(dpp_base, 0x1);
1398 	if (is_12bits_color_channel)
1399 		dpp3_set3dlut_ram12(dpp_base, lut0, lut_size0);
1400 	else
1401 		dpp3_set3dlut_ram10(dpp_base, lut0, lut_size0);
1402 
1403 	dpp3_select_3dlut_ram_mask(dpp_base, 0x2);
1404 	if (is_12bits_color_channel)
1405 		dpp3_set3dlut_ram12(dpp_base, lut1, lut_size);
1406 	else
1407 		dpp3_set3dlut_ram10(dpp_base, lut1, lut_size);
1408 
1409 	dpp3_select_3dlut_ram_mask(dpp_base, 0x4);
1410 	if (is_12bits_color_channel)
1411 		dpp3_set3dlut_ram12(dpp_base, lut2, lut_size);
1412 	else
1413 		dpp3_set3dlut_ram10(dpp_base, lut2, lut_size);
1414 
1415 	dpp3_select_3dlut_ram_mask(dpp_base, 0x8);
1416 	if (is_12bits_color_channel)
1417 		dpp3_set3dlut_ram12(dpp_base, lut3, lut_size);
1418 	else
1419 		dpp3_set3dlut_ram10(dpp_base, lut3, lut_size);
1420 
1421 
1422 	dpp3_set_3dlut_mode(dpp_base, mode, is_12bits_color_channel,
1423 					is_17x17x17);
1424 
1425 	return true;
1426 }
1427 static struct dpp_funcs dcn30_dpp_funcs = {
1428 	.dpp_program_gamcor_lut = dpp3_program_gamcor_lut,
1429 	.dpp_read_state			= dpp30_read_state,
1430 	.dpp_reset			= dpp_reset,
1431 	.dpp_set_scaler			= dpp1_dscl_set_scaler_manual_scale,
1432 	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
1433 	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
1434 	.dpp_set_csc_adjustment		= NULL,
1435 	.dpp_set_csc_default		= NULL,
1436 	.dpp_program_regamma_pwl	= NULL,
1437 	.dpp_set_pre_degam		= dpp3_set_pre_degam,
1438 	.dpp_program_input_lut		= NULL,
1439 	.dpp_full_bypass		= dpp1_full_bypass,
1440 	.dpp_setup			= dpp3_cnv_setup,
1441 	.dpp_program_degamma_pwl	= NULL,
1442 	.dpp_program_cm_dealpha = dpp3_program_cm_dealpha,
1443 	.dpp_program_cm_bias = dpp3_program_cm_bias,
1444 	.dpp_program_blnd_lut = dpp3_program_blnd_lut,
1445 	.dpp_program_shaper_lut = dpp3_program_shaper,
1446 	.dpp_program_3dlut = dpp3_program_3dlut,
1447 	.dpp_deferred_update = dpp3_deferred_update,
1448 	.dpp_program_bias_and_scale	= NULL,
1449 	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
1450 	.set_cursor_attributes		= dpp3_set_cursor_attributes,
1451 	.set_cursor_position		= dpp1_set_cursor_position,
1452 	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
1453 	.dpp_dppclk_control		= dpp1_dppclk_control,
1454 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
1455 };
1456 
1457 
1458 static struct dpp_caps dcn30_dpp_cap = {
1459 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
1460 	.dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
1461 };
1462 
1463 bool dpp3_construct(
1464 	struct dcn3_dpp *dpp,
1465 	struct dc_context *ctx,
1466 	uint32_t inst,
1467 	const struct dcn3_dpp_registers *tf_regs,
1468 	const struct dcn3_dpp_shift *tf_shift,
1469 	const struct dcn3_dpp_mask *tf_mask)
1470 {
1471 	dpp->base.ctx = ctx;
1472 
1473 	dpp->base.inst = inst;
1474 	dpp->base.funcs = &dcn30_dpp_funcs;
1475 	dpp->base.caps = &dcn30_dpp_cap;
1476 
1477 	dpp->tf_regs = tf_regs;
1478 	dpp->tf_shift = tf_shift;
1479 	dpp->tf_mask = tf_mask;
1480 
1481 	return true;
1482 }
1483 
1484