xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c (revision 4d75f5c664195b970e1cd2fd25b65b5eff257a0a)
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 
dpp30_read_state(struct dpp * dpp_base,struct dcn_dpp_state * s)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*/
dpp3_program_post_csc(struct dpp * dpp_base,enum dc_color_space color_space,enum dcn10_input_csc_select input_select,const struct out_csc_color_matrix * tbl_entry)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*/
dpp3_set_pre_degam(struct dpp * dpp_base,enum dc_transfer_func_predefined tr)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 
dpp3_cnv_setup(struct dpp * dpp_base,enum surface_pixel_format format,enum expansion_mode mode,struct dc_csc_transform input_csc_color_matrix,enum dc_color_space input_color_space,struct cnv_alpha_2bit_lut * alpha_2bit_lut)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 
dpp3_set_cursor_attributes(struct dpp * dpp_base,struct dc_cursor_attributes * cursor_attributes)351 void dpp3_set_cursor_attributes(
352 		struct dpp *dpp_base,
353 		struct dc_cursor_attributes *cursor_attributes)
354 {
355 	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
356 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
357 	int cur_rom_en = 0;
358 
359 	if (color_format == CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA ||
360 		color_format == CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA) {
361 		if (cursor_attributes->attribute_flags.bits.ENABLE_CURSOR_DEGAMMA) {
362 			cur_rom_en = 1;
363 		}
364 	}
365 
366 	REG_UPDATE_3(CURSOR0_CONTROL,
367 			CUR0_MODE, color_format,
368 			CUR0_EXPANSION_MODE, 0,
369 			CUR0_ROM_EN, cur_rom_en);
370 
371 	if (color_format == CURSOR_MODE_MONO) {
372 		/* todo: clarify what to program these to */
373 		REG_UPDATE(CURSOR0_COLOR0,
374 				CUR0_COLOR0, 0x00000000);
375 		REG_UPDATE(CURSOR0_COLOR1,
376 				CUR0_COLOR1, 0xFFFFFFFF);
377 	}
378 
379 	dpp_base->att.cur0_ctl.bits.expansion_mode = 0;
380 	dpp_base->att.cur0_ctl.bits.cur0_rom_en = cur_rom_en;
381 	dpp_base->att.cur0_ctl.bits.mode = color_format;
382 }
383 
384 
dpp3_get_optimal_number_of_taps(struct dpp * dpp,struct scaler_data * scl_data,const struct scaling_taps * in_taps)385 bool dpp3_get_optimal_number_of_taps(
386 		struct dpp *dpp,
387 		struct scaler_data *scl_data,
388 		const struct scaling_taps *in_taps)
389 {
390 	int num_part_y, num_part_c;
391 	int max_taps_y, max_taps_c;
392 	int min_taps_y, min_taps_c;
393 	enum lb_memory_config lb_config;
394 
395 	/*
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 	// Avoid null data in the scl data with this early return, proceed non-adaptive calcualtion first
433 	if (scl_data->viewport.width > scl_data->h_active &&
434 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
435 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
436 		return false;
437 
438 	/*Ensure we can support the requested number of vtaps*/
439 	min_taps_y = dc_fixpt_ceil(scl_data->ratios.vert);
440 	min_taps_c = dc_fixpt_ceil(scl_data->ratios.vert_c);
441 
442 	/* Use LB_MEMORY_CONFIG_3 for 4:2:0 */
443 	if ((scl_data->format == PIXEL_FORMAT_420BPP8) || (scl_data->format == PIXEL_FORMAT_420BPP10))
444 		lb_config = LB_MEMORY_CONFIG_3;
445 	else
446 		lb_config = LB_MEMORY_CONFIG_0;
447 
448 	dpp->caps->dscl_calc_lb_num_partitions(
449 			scl_data, lb_config, &num_part_y, &num_part_c);
450 
451 	/* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */
452 	if (dc_fixpt_ceil(scl_data->ratios.vert) > 2)
453 		max_taps_y = num_part_y - (dc_fixpt_ceil(scl_data->ratios.vert) - 2);
454 	else
455 		max_taps_y = num_part_y;
456 
457 	if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 2)
458 		max_taps_c = num_part_c - (dc_fixpt_ceil(scl_data->ratios.vert_c) - 2);
459 	else
460 		max_taps_c = num_part_c;
461 
462 	if (max_taps_y < min_taps_y)
463 		return false;
464 	else if (max_taps_c < min_taps_c)
465 		return false;
466 
467 	if (scl_data->taps.v_taps > max_taps_y)
468 		scl_data->taps.v_taps = max_taps_y;
469 
470 	if (scl_data->taps.v_taps_c > max_taps_c)
471 		scl_data->taps.v_taps_c = max_taps_c;
472 
473 	if (!dpp->ctx->dc->debug.always_scale) {
474 		if (IDENTITY_RATIO(scl_data->ratios.horz))
475 			scl_data->taps.h_taps = 1;
476 		if (IDENTITY_RATIO(scl_data->ratios.vert))
477 			scl_data->taps.v_taps = 1;
478 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
479 			scl_data->taps.h_taps_c = 1;
480 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
481 			scl_data->taps.v_taps_c = 1;
482 	}
483 
484 	return true;
485 }
486 
dpp3_deferred_update(struct dpp * dpp_base)487 static void dpp3_deferred_update(struct dpp *dpp_base)
488 {
489 	int bypass_state;
490 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
491 
492 	if (dpp_base->deferred_reg_writes.bits.disable_dscl) {
493 		REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, 3);
494 		dpp_base->deferred_reg_writes.bits.disable_dscl = false;
495 	}
496 
497 	if (dpp_base->deferred_reg_writes.bits.disable_gamcor) {
498 		REG_GET(CM_GAMCOR_CONTROL, CM_GAMCOR_MODE_CURRENT, &bypass_state);
499 		if (bypass_state == 0) {	// only program if bypass was latched
500 			REG_UPDATE(CM_MEM_PWR_CTRL, GAMCOR_MEM_PWR_FORCE, 3);
501 		} else
502 			ASSERT(0); // LUT select was updated again before vupdate
503 		dpp_base->deferred_reg_writes.bits.disable_gamcor = false;
504 	}
505 
506 	if (dpp_base->deferred_reg_writes.bits.disable_blnd_lut) {
507 		REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &bypass_state);
508 		if (bypass_state == 0) {	// only program if bypass was latched
509 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 3);
510 		} else
511 			ASSERT(0); // LUT select was updated again before vupdate
512 		dpp_base->deferred_reg_writes.bits.disable_blnd_lut = false;
513 	}
514 
515 	if (dpp_base->deferred_reg_writes.bits.disable_3dlut) {
516 		REG_GET(CM_3DLUT_MODE, CM_3DLUT_MODE_CURRENT, &bypass_state);
517 		if (bypass_state == 0) {	// only program if bypass was latched
518 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 3);
519 		} else
520 			ASSERT(0); // LUT select was updated again before vupdate
521 		dpp_base->deferred_reg_writes.bits.disable_3dlut = false;
522 	}
523 
524 	if (dpp_base->deferred_reg_writes.bits.disable_shaper) {
525 		REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &bypass_state);
526 		if (bypass_state == 0) {	// only program if bypass was latched
527 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 3);
528 		} else
529 			ASSERT(0); // LUT select was updated again before vupdate
530 		dpp_base->deferred_reg_writes.bits.disable_shaper = false;
531 	}
532 }
533 
dpp3_power_on_blnd_lut(struct dpp * dpp_base,bool power_on)534 static void dpp3_power_on_blnd_lut(
535 	struct dpp *dpp_base,
536 	bool power_on)
537 {
538 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
539 
540 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
541 		if (power_on) {
542 			REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 0);
543 			REG_WAIT(CM_MEM_PWR_STATUS, BLNDGAM_MEM_PWR_STATE, 0, 1, 5);
544 		} else {
545 			dpp_base->ctx->dc->optimized_required = true;
546 			dpp_base->deferred_reg_writes.bits.disable_blnd_lut = true;
547 		}
548 	} else {
549 		REG_SET(CM_MEM_PWR_CTRL, 0,
550 				BLNDGAM_MEM_PWR_FORCE, power_on == true ? 0 : 1);
551 	}
552 }
553 
dpp3_power_on_hdr3dlut(struct dpp * dpp_base,bool power_on)554 static void dpp3_power_on_hdr3dlut(
555 	struct dpp *dpp_base,
556 	bool power_on)
557 {
558 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
559 
560 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
561 		if (power_on) {
562 			REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 0);
563 			REG_WAIT(CM_MEM_PWR_STATUS2, HDR3DLUT_MEM_PWR_STATE, 0, 1, 5);
564 		} else {
565 			dpp_base->ctx->dc->optimized_required = true;
566 			dpp_base->deferred_reg_writes.bits.disable_3dlut = true;
567 		}
568 	}
569 }
570 
dpp3_power_on_shaper(struct dpp * dpp_base,bool power_on)571 static void dpp3_power_on_shaper(
572 	struct dpp *dpp_base,
573 	bool power_on)
574 {
575 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
576 
577 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm) {
578 		if (power_on) {
579 			REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 0);
580 			REG_WAIT(CM_MEM_PWR_STATUS2, SHAPER_MEM_PWR_STATE, 0, 1, 5);
581 		} else {
582 			dpp_base->ctx->dc->optimized_required = true;
583 			dpp_base->deferred_reg_writes.bits.disable_shaper = true;
584 		}
585 	}
586 }
587 
dpp3_configure_blnd_lut(struct dpp * dpp_base,bool is_ram_a)588 static void dpp3_configure_blnd_lut(
589 		struct dpp *dpp_base,
590 		bool is_ram_a)
591 {
592 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
593 
594 	REG_UPDATE_2(CM_BLNDGAM_LUT_CONTROL,
595 			CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 7,
596 			CM_BLNDGAM_LUT_HOST_SEL, is_ram_a == true ? 0 : 1);
597 
598 	REG_SET(CM_BLNDGAM_LUT_INDEX, 0, CM_BLNDGAM_LUT_INDEX, 0);
599 }
600 
dpp3_program_blnd_pwl(struct dpp * dpp_base,const struct pwl_result_data * rgb,uint32_t num)601 static void dpp3_program_blnd_pwl(
602 		struct dpp *dpp_base,
603 		const struct pwl_result_data *rgb,
604 		uint32_t num)
605 {
606 	uint32_t i;
607 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
608 	uint32_t last_base_value_red = rgb[num-1].red_reg + rgb[num-1].delta_red_reg;
609 	uint32_t last_base_value_green = rgb[num-1].green_reg + rgb[num-1].delta_green_reg;
610 	uint32_t last_base_value_blue = rgb[num-1].blue_reg + rgb[num-1].delta_blue_reg;
611 
612 	if (is_rgb_equal(rgb, num)) {
613 		for (i = 0 ; i < num; i++)
614 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
615 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
616 	} else {
617 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 4);
618 		for (i = 0 ; i < num; i++)
619 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].red_reg);
620 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_red);
621 
622 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 2);
623 		for (i = 0 ; i < num; i++)
624 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].green_reg);
625 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_green);
626 
627 		REG_UPDATE(CM_BLNDGAM_LUT_CONTROL, CM_BLNDGAM_LUT_WRITE_COLOR_MASK, 1);
628 		for (i = 0 ; i < num; i++)
629 			REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, rgb[i].blue_reg);
630 		REG_SET(CM_BLNDGAM_LUT_DATA, 0, CM_BLNDGAM_LUT_DATA, last_base_value_blue);
631 	}
632 }
633 
dcn3_dpp_cm_get_reg_field(struct dcn3_dpp * dpp,struct dcn3_xfer_func_reg * reg)634 static void dcn3_dpp_cm_get_reg_field(
635 		struct dcn3_dpp *dpp,
636 		struct dcn3_xfer_func_reg *reg)
637 {
638 	reg->shifts.exp_region0_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
639 	reg->masks.exp_region0_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_LUT_OFFSET;
640 	reg->shifts.exp_region0_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
641 	reg->masks.exp_region0_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION0_NUM_SEGMENTS;
642 	reg->shifts.exp_region1_lut_offset = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
643 	reg->masks.exp_region1_lut_offset = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_LUT_OFFSET;
644 	reg->shifts.exp_region1_num_segments = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
645 	reg->masks.exp_region1_num_segments = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION1_NUM_SEGMENTS;
646 
647 	reg->shifts.field_region_end = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
648 	reg->masks.field_region_end = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_B;
649 	reg->shifts.field_region_end_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
650 	reg->masks.field_region_end_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_SLOPE_B;
651 	reg->shifts.field_region_end_base = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
652 	reg->masks.field_region_end_base = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_END_BASE_B;
653 	reg->shifts.field_region_linear_slope = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
654 	reg->masks.field_region_linear_slope = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SLOPE_B;
655 	reg->shifts.exp_region_start = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
656 	reg->masks.exp_region_start = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_B;
657 	reg->shifts.exp_resion_start_segment = dpp->tf_shift->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
658 	reg->masks.exp_resion_start_segment = dpp->tf_mask->CM_BLNDGAM_RAMA_EXP_REGION_START_SEGMENT_B;
659 }
660 
661 /*program blnd lut RAM A*/
dpp3_program_blnd_luta_settings(struct dpp * dpp_base,const struct pwl_params * params)662 static void dpp3_program_blnd_luta_settings(
663 		struct dpp *dpp_base,
664 		const struct pwl_params *params)
665 {
666 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
667 	struct dcn3_xfer_func_reg gam_regs;
668 
669 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
670 
671 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMA_START_CNTL_B);
672 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMA_START_CNTL_G);
673 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMA_START_CNTL_R);
674 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_B);
675 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_G);
676 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMA_START_SLOPE_CNTL_R);
677 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMA_END_CNTL1_B);
678 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMA_END_CNTL2_B);
679 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMA_END_CNTL1_G);
680 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMA_END_CNTL2_G);
681 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMA_END_CNTL1_R);
682 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMA_END_CNTL2_R);
683 	gam_regs.region_start = REG(CM_BLNDGAM_RAMA_REGION_0_1);
684 	gam_regs.region_end = REG(CM_BLNDGAM_RAMA_REGION_32_33);
685 
686 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
687 }
688 
689 /*program blnd lut RAM B*/
dpp3_program_blnd_lutb_settings(struct dpp * dpp_base,const struct pwl_params * params)690 static void dpp3_program_blnd_lutb_settings(
691 		struct dpp *dpp_base,
692 		const struct pwl_params *params)
693 {
694 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
695 	struct dcn3_xfer_func_reg gam_regs;
696 
697 	dcn3_dpp_cm_get_reg_field(dpp, &gam_regs);
698 
699 	gam_regs.start_cntl_b = REG(CM_BLNDGAM_RAMB_START_CNTL_B);
700 	gam_regs.start_cntl_g = REG(CM_BLNDGAM_RAMB_START_CNTL_G);
701 	gam_regs.start_cntl_r = REG(CM_BLNDGAM_RAMB_START_CNTL_R);
702 	gam_regs.start_slope_cntl_b = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_B);
703 	gam_regs.start_slope_cntl_g = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_G);
704 	gam_regs.start_slope_cntl_r = REG(CM_BLNDGAM_RAMB_START_SLOPE_CNTL_R);
705 	gam_regs.start_end_cntl1_b = REG(CM_BLNDGAM_RAMB_END_CNTL1_B);
706 	gam_regs.start_end_cntl2_b = REG(CM_BLNDGAM_RAMB_END_CNTL2_B);
707 	gam_regs.start_end_cntl1_g = REG(CM_BLNDGAM_RAMB_END_CNTL1_G);
708 	gam_regs.start_end_cntl2_g = REG(CM_BLNDGAM_RAMB_END_CNTL2_G);
709 	gam_regs.start_end_cntl1_r = REG(CM_BLNDGAM_RAMB_END_CNTL1_R);
710 	gam_regs.start_end_cntl2_r = REG(CM_BLNDGAM_RAMB_END_CNTL2_R);
711 	gam_regs.region_start = REG(CM_BLNDGAM_RAMB_REGION_0_1);
712 	gam_regs.region_end = REG(CM_BLNDGAM_RAMB_REGION_32_33);
713 
714 	cm_helper_program_gamcor_xfer_func(dpp->base.ctx, params, &gam_regs);
715 }
716 
dpp3_get_blndgam_current(struct dpp * dpp_base)717 static enum dc_lut_mode dpp3_get_blndgam_current(struct dpp *dpp_base)
718 {
719 	enum dc_lut_mode mode;
720 	uint32_t mode_current = 0;
721 	uint32_t in_use = 0;
722 
723 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
724 
725 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &mode_current);
726 	REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_SELECT_CURRENT, &in_use);
727 
728 	switch (mode_current) {
729 	case 0:
730 	case 1:
731 		mode = LUT_BYPASS;
732 		break;
733 
734 	case 2:
735 		if (in_use == 0)
736 			mode = LUT_RAM_A;
737 		else
738 			mode = LUT_RAM_B;
739 		break;
740 	default:
741 		mode = LUT_BYPASS;
742 		break;
743 	}
744 
745 	return mode;
746 }
747 
dpp3_program_blnd_lut(struct dpp * dpp_base,const struct pwl_params * params)748 static bool dpp3_program_blnd_lut(struct dpp *dpp_base,
749 				  const struct pwl_params *params)
750 {
751 	enum dc_lut_mode current_mode;
752 	enum dc_lut_mode next_mode;
753 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
754 
755 	if (params == NULL) {
756 		REG_SET(CM_BLNDGAM_CONTROL, 0, CM_BLNDGAM_MODE, 0);
757 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
758 			dpp3_power_on_blnd_lut(dpp_base, false);
759 		return false;
760 	}
761 
762 	current_mode = dpp3_get_blndgam_current(dpp_base);
763 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_B)
764 		next_mode = LUT_RAM_A;
765 	else
766 		next_mode = LUT_RAM_B;
767 
768 	dpp3_power_on_blnd_lut(dpp_base, true);
769 	dpp3_configure_blnd_lut(dpp_base, next_mode == LUT_RAM_A);
770 
771 	if (next_mode == LUT_RAM_A)
772 		dpp3_program_blnd_luta_settings(dpp_base, params);
773 	else
774 		dpp3_program_blnd_lutb_settings(dpp_base, params);
775 
776 	dpp3_program_blnd_pwl(
777 			dpp_base, params->rgb_resulted, params->hw_points_num);
778 
779 	REG_UPDATE_2(CM_BLNDGAM_CONTROL,
780 			CM_BLNDGAM_MODE, 2,
781 			CM_BLNDGAM_SELECT, next_mode == LUT_RAM_A ? 0 : 1);
782 
783 	return true;
784 }
785 
786 
dpp3_program_shaper_lut(struct dpp * dpp_base,const struct pwl_result_data * rgb,uint32_t num)787 static void dpp3_program_shaper_lut(
788 		struct dpp *dpp_base,
789 		const struct pwl_result_data *rgb,
790 		uint32_t num)
791 {
792 	uint32_t i, red, green, blue;
793 	uint32_t  red_delta, green_delta, blue_delta;
794 	uint32_t  red_value, green_value, blue_value;
795 
796 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
797 
798 	for (i = 0 ; i < num; i++) {
799 
800 		red   = rgb[i].red_reg;
801 		green = rgb[i].green_reg;
802 		blue  = rgb[i].blue_reg;
803 
804 		red_delta   = rgb[i].delta_red_reg;
805 		green_delta = rgb[i].delta_green_reg;
806 		blue_delta  = rgb[i].delta_blue_reg;
807 
808 		red_value   = ((red_delta   & 0x3ff) << 14) | (red   & 0x3fff);
809 		green_value = ((green_delta & 0x3ff) << 14) | (green & 0x3fff);
810 		blue_value  = ((blue_delta  & 0x3ff) << 14) | (blue  & 0x3fff);
811 
812 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, red_value);
813 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, green_value);
814 		REG_SET(CM_SHAPER_LUT_DATA, 0, CM_SHAPER_LUT_DATA, blue_value);
815 	}
816 
817 }
818 
dpp3_get_shaper_current(struct dpp * dpp_base)819 static enum dc_lut_mode dpp3_get_shaper_current(struct dpp *dpp_base)
820 {
821 	enum dc_lut_mode mode;
822 	uint32_t state_mode;
823 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
824 
825 	REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &state_mode);
826 
827 	switch (state_mode) {
828 	case 0:
829 		mode = LUT_BYPASS;
830 		break;
831 	case 1:
832 		mode = LUT_RAM_A;
833 		break;
834 	case 2:
835 		mode = LUT_RAM_B;
836 		break;
837 	default:
838 		mode = LUT_BYPASS;
839 		break;
840 	}
841 
842 	return mode;
843 }
844 
dpp3_configure_shaper_lut(struct dpp * dpp_base,bool is_ram_a)845 static void dpp3_configure_shaper_lut(
846 		struct dpp *dpp_base,
847 		bool is_ram_a)
848 {
849 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
850 
851 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
852 			CM_SHAPER_LUT_WRITE_EN_MASK, 7);
853 	REG_UPDATE(CM_SHAPER_LUT_WRITE_EN_MASK,
854 			CM_SHAPER_LUT_WRITE_SEL, is_ram_a == true ? 0:1);
855 	REG_SET(CM_SHAPER_LUT_INDEX, 0, CM_SHAPER_LUT_INDEX, 0);
856 }
857 
858 /*program shaper RAM A*/
859 
dpp3_program_shaper_luta_settings(struct dpp * dpp_base,const struct pwl_params * params)860 static void dpp3_program_shaper_luta_settings(
861 		struct dpp *dpp_base,
862 		const struct pwl_params *params)
863 {
864 	const struct gamma_curve *curve;
865 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
866 
867 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_B, 0,
868 		CM_SHAPER_RAMA_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
869 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_B, 0);
870 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_G, 0,
871 		CM_SHAPER_RAMA_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
872 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_G, 0);
873 	REG_SET_2(CM_SHAPER_RAMA_START_CNTL_R, 0,
874 		CM_SHAPER_RAMA_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
875 		CM_SHAPER_RAMA_EXP_REGION_START_SEGMENT_R, 0);
876 
877 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_B, 0,
878 		CM_SHAPER_RAMA_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
879 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
880 
881 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_G, 0,
882 		CM_SHAPER_RAMA_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
883 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
884 
885 	REG_SET_2(CM_SHAPER_RAMA_END_CNTL_R, 0,
886 		CM_SHAPER_RAMA_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
887 		CM_SHAPER_RAMA_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
888 
889 	curve = params->arr_curve_points;
890 	REG_SET_4(CM_SHAPER_RAMA_REGION_0_1, 0,
891 		CM_SHAPER_RAMA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
892 		CM_SHAPER_RAMA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
893 		CM_SHAPER_RAMA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
894 		CM_SHAPER_RAMA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
895 
896 	curve += 2;
897 	REG_SET_4(CM_SHAPER_RAMA_REGION_2_3, 0,
898 		CM_SHAPER_RAMA_EXP_REGION2_LUT_OFFSET, curve[0].offset,
899 		CM_SHAPER_RAMA_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
900 		CM_SHAPER_RAMA_EXP_REGION3_LUT_OFFSET, curve[1].offset,
901 		CM_SHAPER_RAMA_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
902 
903 	curve += 2;
904 	REG_SET_4(CM_SHAPER_RAMA_REGION_4_5, 0,
905 		CM_SHAPER_RAMA_EXP_REGION4_LUT_OFFSET, curve[0].offset,
906 		CM_SHAPER_RAMA_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
907 		CM_SHAPER_RAMA_EXP_REGION5_LUT_OFFSET, curve[1].offset,
908 		CM_SHAPER_RAMA_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
909 
910 	curve += 2;
911 	REG_SET_4(CM_SHAPER_RAMA_REGION_6_7, 0,
912 		CM_SHAPER_RAMA_EXP_REGION6_LUT_OFFSET, curve[0].offset,
913 		CM_SHAPER_RAMA_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
914 		CM_SHAPER_RAMA_EXP_REGION7_LUT_OFFSET, curve[1].offset,
915 		CM_SHAPER_RAMA_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
916 
917 	curve += 2;
918 	REG_SET_4(CM_SHAPER_RAMA_REGION_8_9, 0,
919 		CM_SHAPER_RAMA_EXP_REGION8_LUT_OFFSET, curve[0].offset,
920 		CM_SHAPER_RAMA_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
921 		CM_SHAPER_RAMA_EXP_REGION9_LUT_OFFSET, curve[1].offset,
922 		CM_SHAPER_RAMA_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
923 
924 	curve += 2;
925 	REG_SET_4(CM_SHAPER_RAMA_REGION_10_11, 0,
926 		CM_SHAPER_RAMA_EXP_REGION10_LUT_OFFSET, curve[0].offset,
927 		CM_SHAPER_RAMA_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
928 		CM_SHAPER_RAMA_EXP_REGION11_LUT_OFFSET, curve[1].offset,
929 		CM_SHAPER_RAMA_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
930 
931 	curve += 2;
932 	REG_SET_4(CM_SHAPER_RAMA_REGION_12_13, 0,
933 		CM_SHAPER_RAMA_EXP_REGION12_LUT_OFFSET, curve[0].offset,
934 		CM_SHAPER_RAMA_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
935 		CM_SHAPER_RAMA_EXP_REGION13_LUT_OFFSET, curve[1].offset,
936 		CM_SHAPER_RAMA_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
937 
938 	curve += 2;
939 	REG_SET_4(CM_SHAPER_RAMA_REGION_14_15, 0,
940 		CM_SHAPER_RAMA_EXP_REGION14_LUT_OFFSET, curve[0].offset,
941 		CM_SHAPER_RAMA_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
942 		CM_SHAPER_RAMA_EXP_REGION15_LUT_OFFSET, curve[1].offset,
943 		CM_SHAPER_RAMA_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
944 
945 	curve += 2;
946 	REG_SET_4(CM_SHAPER_RAMA_REGION_16_17, 0,
947 		CM_SHAPER_RAMA_EXP_REGION16_LUT_OFFSET, curve[0].offset,
948 		CM_SHAPER_RAMA_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
949 		CM_SHAPER_RAMA_EXP_REGION17_LUT_OFFSET, curve[1].offset,
950 		CM_SHAPER_RAMA_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
951 
952 	curve += 2;
953 	REG_SET_4(CM_SHAPER_RAMA_REGION_18_19, 0,
954 		CM_SHAPER_RAMA_EXP_REGION18_LUT_OFFSET, curve[0].offset,
955 		CM_SHAPER_RAMA_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
956 		CM_SHAPER_RAMA_EXP_REGION19_LUT_OFFSET, curve[1].offset,
957 		CM_SHAPER_RAMA_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
958 
959 	curve += 2;
960 	REG_SET_4(CM_SHAPER_RAMA_REGION_20_21, 0,
961 		CM_SHAPER_RAMA_EXP_REGION20_LUT_OFFSET, curve[0].offset,
962 		CM_SHAPER_RAMA_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
963 		CM_SHAPER_RAMA_EXP_REGION21_LUT_OFFSET, curve[1].offset,
964 		CM_SHAPER_RAMA_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
965 
966 	curve += 2;
967 	REG_SET_4(CM_SHAPER_RAMA_REGION_22_23, 0,
968 		CM_SHAPER_RAMA_EXP_REGION22_LUT_OFFSET, curve[0].offset,
969 		CM_SHAPER_RAMA_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
970 		CM_SHAPER_RAMA_EXP_REGION23_LUT_OFFSET, curve[1].offset,
971 		CM_SHAPER_RAMA_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
972 
973 	curve += 2;
974 	REG_SET_4(CM_SHAPER_RAMA_REGION_24_25, 0,
975 		CM_SHAPER_RAMA_EXP_REGION24_LUT_OFFSET, curve[0].offset,
976 		CM_SHAPER_RAMA_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
977 		CM_SHAPER_RAMA_EXP_REGION25_LUT_OFFSET, curve[1].offset,
978 		CM_SHAPER_RAMA_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
979 
980 	curve += 2;
981 	REG_SET_4(CM_SHAPER_RAMA_REGION_26_27, 0,
982 		CM_SHAPER_RAMA_EXP_REGION26_LUT_OFFSET, curve[0].offset,
983 		CM_SHAPER_RAMA_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
984 		CM_SHAPER_RAMA_EXP_REGION27_LUT_OFFSET, curve[1].offset,
985 		CM_SHAPER_RAMA_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
986 
987 	curve += 2;
988 	REG_SET_4(CM_SHAPER_RAMA_REGION_28_29, 0,
989 		CM_SHAPER_RAMA_EXP_REGION28_LUT_OFFSET, curve[0].offset,
990 		CM_SHAPER_RAMA_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
991 		CM_SHAPER_RAMA_EXP_REGION29_LUT_OFFSET, curve[1].offset,
992 		CM_SHAPER_RAMA_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
993 
994 	curve += 2;
995 	REG_SET_4(CM_SHAPER_RAMA_REGION_30_31, 0,
996 		CM_SHAPER_RAMA_EXP_REGION30_LUT_OFFSET, curve[0].offset,
997 		CM_SHAPER_RAMA_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
998 		CM_SHAPER_RAMA_EXP_REGION31_LUT_OFFSET, curve[1].offset,
999 		CM_SHAPER_RAMA_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
1000 
1001 	curve += 2;
1002 	REG_SET_4(CM_SHAPER_RAMA_REGION_32_33, 0,
1003 		CM_SHAPER_RAMA_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1004 		CM_SHAPER_RAMA_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1005 		CM_SHAPER_RAMA_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1006 		CM_SHAPER_RAMA_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1007 }
1008 
1009 /*program shaper RAM B*/
dpp3_program_shaper_lutb_settings(struct dpp * dpp_base,const struct pwl_params * params)1010 static void dpp3_program_shaper_lutb_settings(
1011 		struct dpp *dpp_base,
1012 		const struct pwl_params *params)
1013 {
1014 	const struct gamma_curve *curve;
1015 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1016 
1017 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_B, 0,
1018 		CM_SHAPER_RAMB_EXP_REGION_START_B, params->corner_points[0].blue.custom_float_x,
1019 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_B, 0);
1020 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_G, 0,
1021 		CM_SHAPER_RAMB_EXP_REGION_START_G, params->corner_points[0].green.custom_float_x,
1022 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_G, 0);
1023 	REG_SET_2(CM_SHAPER_RAMB_START_CNTL_R, 0,
1024 		CM_SHAPER_RAMB_EXP_REGION_START_R, params->corner_points[0].red.custom_float_x,
1025 		CM_SHAPER_RAMB_EXP_REGION_START_SEGMENT_R, 0);
1026 
1027 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_B, 0,
1028 		CM_SHAPER_RAMB_EXP_REGION_END_B, params->corner_points[1].blue.custom_float_x,
1029 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_B, params->corner_points[1].blue.custom_float_y);
1030 
1031 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_G, 0,
1032 		CM_SHAPER_RAMB_EXP_REGION_END_G, params->corner_points[1].green.custom_float_x,
1033 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_G, params->corner_points[1].green.custom_float_y);
1034 
1035 	REG_SET_2(CM_SHAPER_RAMB_END_CNTL_R, 0,
1036 		CM_SHAPER_RAMB_EXP_REGION_END_R, params->corner_points[1].red.custom_float_x,
1037 		CM_SHAPER_RAMB_EXP_REGION_END_BASE_R, params->corner_points[1].red.custom_float_y);
1038 
1039 	curve = params->arr_curve_points;
1040 	REG_SET_4(CM_SHAPER_RAMB_REGION_0_1, 0,
1041 		CM_SHAPER_RAMB_EXP_REGION0_LUT_OFFSET, curve[0].offset,
1042 		CM_SHAPER_RAMB_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
1043 		CM_SHAPER_RAMB_EXP_REGION1_LUT_OFFSET, curve[1].offset,
1044 		CM_SHAPER_RAMB_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
1045 
1046 	curve += 2;
1047 	REG_SET_4(CM_SHAPER_RAMB_REGION_2_3, 0,
1048 		CM_SHAPER_RAMB_EXP_REGION2_LUT_OFFSET, curve[0].offset,
1049 		CM_SHAPER_RAMB_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num,
1050 		CM_SHAPER_RAMB_EXP_REGION3_LUT_OFFSET, curve[1].offset,
1051 		CM_SHAPER_RAMB_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num);
1052 
1053 	curve += 2;
1054 	REG_SET_4(CM_SHAPER_RAMB_REGION_4_5, 0,
1055 		CM_SHAPER_RAMB_EXP_REGION4_LUT_OFFSET, curve[0].offset,
1056 		CM_SHAPER_RAMB_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num,
1057 		CM_SHAPER_RAMB_EXP_REGION5_LUT_OFFSET, curve[1].offset,
1058 		CM_SHAPER_RAMB_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num);
1059 
1060 	curve += 2;
1061 	REG_SET_4(CM_SHAPER_RAMB_REGION_6_7, 0,
1062 		CM_SHAPER_RAMB_EXP_REGION6_LUT_OFFSET, curve[0].offset,
1063 		CM_SHAPER_RAMB_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num,
1064 		CM_SHAPER_RAMB_EXP_REGION7_LUT_OFFSET, curve[1].offset,
1065 		CM_SHAPER_RAMB_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num);
1066 
1067 	curve += 2;
1068 	REG_SET_4(CM_SHAPER_RAMB_REGION_8_9, 0,
1069 		CM_SHAPER_RAMB_EXP_REGION8_LUT_OFFSET, curve[0].offset,
1070 		CM_SHAPER_RAMB_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num,
1071 		CM_SHAPER_RAMB_EXP_REGION9_LUT_OFFSET, curve[1].offset,
1072 		CM_SHAPER_RAMB_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num);
1073 
1074 	curve += 2;
1075 	REG_SET_4(CM_SHAPER_RAMB_REGION_10_11, 0,
1076 		CM_SHAPER_RAMB_EXP_REGION10_LUT_OFFSET, curve[0].offset,
1077 		CM_SHAPER_RAMB_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num,
1078 		CM_SHAPER_RAMB_EXP_REGION11_LUT_OFFSET, curve[1].offset,
1079 		CM_SHAPER_RAMB_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num);
1080 
1081 	curve += 2;
1082 	REG_SET_4(CM_SHAPER_RAMB_REGION_12_13, 0,
1083 		CM_SHAPER_RAMB_EXP_REGION12_LUT_OFFSET, curve[0].offset,
1084 		CM_SHAPER_RAMB_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num,
1085 		CM_SHAPER_RAMB_EXP_REGION13_LUT_OFFSET, curve[1].offset,
1086 		CM_SHAPER_RAMB_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num);
1087 
1088 	curve += 2;
1089 	REG_SET_4(CM_SHAPER_RAMB_REGION_14_15, 0,
1090 		CM_SHAPER_RAMB_EXP_REGION14_LUT_OFFSET, curve[0].offset,
1091 		CM_SHAPER_RAMB_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num,
1092 		CM_SHAPER_RAMB_EXP_REGION15_LUT_OFFSET, curve[1].offset,
1093 		CM_SHAPER_RAMB_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num);
1094 
1095 	curve += 2;
1096 	REG_SET_4(CM_SHAPER_RAMB_REGION_16_17, 0,
1097 		CM_SHAPER_RAMB_EXP_REGION16_LUT_OFFSET, curve[0].offset,
1098 		CM_SHAPER_RAMB_EXP_REGION16_NUM_SEGMENTS, curve[0].segments_num,
1099 		CM_SHAPER_RAMB_EXP_REGION17_LUT_OFFSET, curve[1].offset,
1100 		CM_SHAPER_RAMB_EXP_REGION17_NUM_SEGMENTS, curve[1].segments_num);
1101 
1102 	curve += 2;
1103 	REG_SET_4(CM_SHAPER_RAMB_REGION_18_19, 0,
1104 		CM_SHAPER_RAMB_EXP_REGION18_LUT_OFFSET, curve[0].offset,
1105 		CM_SHAPER_RAMB_EXP_REGION18_NUM_SEGMENTS, curve[0].segments_num,
1106 		CM_SHAPER_RAMB_EXP_REGION19_LUT_OFFSET, curve[1].offset,
1107 		CM_SHAPER_RAMB_EXP_REGION19_NUM_SEGMENTS, curve[1].segments_num);
1108 
1109 	curve += 2;
1110 	REG_SET_4(CM_SHAPER_RAMB_REGION_20_21, 0,
1111 		CM_SHAPER_RAMB_EXP_REGION20_LUT_OFFSET, curve[0].offset,
1112 		CM_SHAPER_RAMB_EXP_REGION20_NUM_SEGMENTS, curve[0].segments_num,
1113 		CM_SHAPER_RAMB_EXP_REGION21_LUT_OFFSET, curve[1].offset,
1114 		CM_SHAPER_RAMB_EXP_REGION21_NUM_SEGMENTS, curve[1].segments_num);
1115 
1116 	curve += 2;
1117 	REG_SET_4(CM_SHAPER_RAMB_REGION_22_23, 0,
1118 		CM_SHAPER_RAMB_EXP_REGION22_LUT_OFFSET, curve[0].offset,
1119 		CM_SHAPER_RAMB_EXP_REGION22_NUM_SEGMENTS, curve[0].segments_num,
1120 		CM_SHAPER_RAMB_EXP_REGION23_LUT_OFFSET, curve[1].offset,
1121 		CM_SHAPER_RAMB_EXP_REGION23_NUM_SEGMENTS, curve[1].segments_num);
1122 
1123 	curve += 2;
1124 	REG_SET_4(CM_SHAPER_RAMB_REGION_24_25, 0,
1125 		CM_SHAPER_RAMB_EXP_REGION24_LUT_OFFSET, curve[0].offset,
1126 		CM_SHAPER_RAMB_EXP_REGION24_NUM_SEGMENTS, curve[0].segments_num,
1127 		CM_SHAPER_RAMB_EXP_REGION25_LUT_OFFSET, curve[1].offset,
1128 		CM_SHAPER_RAMB_EXP_REGION25_NUM_SEGMENTS, curve[1].segments_num);
1129 
1130 	curve += 2;
1131 	REG_SET_4(CM_SHAPER_RAMB_REGION_26_27, 0,
1132 		CM_SHAPER_RAMB_EXP_REGION26_LUT_OFFSET, curve[0].offset,
1133 		CM_SHAPER_RAMB_EXP_REGION26_NUM_SEGMENTS, curve[0].segments_num,
1134 		CM_SHAPER_RAMB_EXP_REGION27_LUT_OFFSET, curve[1].offset,
1135 		CM_SHAPER_RAMB_EXP_REGION27_NUM_SEGMENTS, curve[1].segments_num);
1136 
1137 	curve += 2;
1138 	REG_SET_4(CM_SHAPER_RAMB_REGION_28_29, 0,
1139 		CM_SHAPER_RAMB_EXP_REGION28_LUT_OFFSET, curve[0].offset,
1140 		CM_SHAPER_RAMB_EXP_REGION28_NUM_SEGMENTS, curve[0].segments_num,
1141 		CM_SHAPER_RAMB_EXP_REGION29_LUT_OFFSET, curve[1].offset,
1142 		CM_SHAPER_RAMB_EXP_REGION29_NUM_SEGMENTS, curve[1].segments_num);
1143 
1144 	curve += 2;
1145 	REG_SET_4(CM_SHAPER_RAMB_REGION_30_31, 0,
1146 		CM_SHAPER_RAMB_EXP_REGION30_LUT_OFFSET, curve[0].offset,
1147 		CM_SHAPER_RAMB_EXP_REGION30_NUM_SEGMENTS, curve[0].segments_num,
1148 		CM_SHAPER_RAMB_EXP_REGION31_LUT_OFFSET, curve[1].offset,
1149 		CM_SHAPER_RAMB_EXP_REGION31_NUM_SEGMENTS, curve[1].segments_num);
1150 
1151 	curve += 2;
1152 	REG_SET_4(CM_SHAPER_RAMB_REGION_32_33, 0,
1153 		CM_SHAPER_RAMB_EXP_REGION32_LUT_OFFSET, curve[0].offset,
1154 		CM_SHAPER_RAMB_EXP_REGION32_NUM_SEGMENTS, curve[0].segments_num,
1155 		CM_SHAPER_RAMB_EXP_REGION33_LUT_OFFSET, curve[1].offset,
1156 		CM_SHAPER_RAMB_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num);
1157 
1158 }
1159 
1160 
dpp3_program_shaper(struct dpp * dpp_base,const struct pwl_params * params)1161 static bool dpp3_program_shaper(struct dpp *dpp_base,
1162 				const struct pwl_params *params)
1163 {
1164 	enum dc_lut_mode current_mode;
1165 	enum dc_lut_mode next_mode;
1166 
1167 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1168 
1169 	if (params == NULL) {
1170 		REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, 0);
1171 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1172 			dpp3_power_on_shaper(dpp_base, false);
1173 		return false;
1174 	}
1175 
1176 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1177 		dpp3_power_on_shaper(dpp_base, true);
1178 
1179 	current_mode = dpp3_get_shaper_current(dpp_base);
1180 
1181 	if (current_mode == LUT_BYPASS || current_mode == LUT_RAM_A)
1182 		next_mode = LUT_RAM_B;
1183 	else
1184 		next_mode = LUT_RAM_A;
1185 
1186 	dpp3_configure_shaper_lut(dpp_base, next_mode == LUT_RAM_A);
1187 
1188 	if (next_mode == LUT_RAM_A)
1189 		dpp3_program_shaper_luta_settings(dpp_base, params);
1190 	else
1191 		dpp3_program_shaper_lutb_settings(dpp_base, params);
1192 
1193 	dpp3_program_shaper_lut(
1194 			dpp_base, params->rgb_resulted, params->hw_points_num);
1195 
1196 	REG_SET(CM_SHAPER_CONTROL, 0, CM_SHAPER_LUT_MODE, next_mode == LUT_RAM_A ? 1:2);
1197 
1198 	return true;
1199 
1200 }
1201 
get3dlut_config(struct dpp * dpp_base,bool * is_17x17x17,bool * is_12bits_color_channel)1202 static enum dc_lut_mode get3dlut_config(
1203 			struct dpp *dpp_base,
1204 			bool *is_17x17x17,
1205 			bool *is_12bits_color_channel)
1206 {
1207 	uint32_t i_mode, i_enable_10bits, lut_size;
1208 	enum dc_lut_mode mode;
1209 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1210 
1211 	REG_GET(CM_3DLUT_READ_WRITE_CONTROL,
1212 			CM_3DLUT_30BIT_EN, &i_enable_10bits);
1213 	REG_GET(CM_3DLUT_MODE,
1214 			CM_3DLUT_MODE_CURRENT, &i_mode);
1215 
1216 	switch (i_mode) {
1217 	case 0:
1218 		mode = LUT_BYPASS;
1219 		break;
1220 	case 1:
1221 		mode = LUT_RAM_A;
1222 		break;
1223 	case 2:
1224 		mode = LUT_RAM_B;
1225 		break;
1226 	default:
1227 		mode = LUT_BYPASS;
1228 		break;
1229 	}
1230 	if (i_enable_10bits > 0)
1231 		*is_12bits_color_channel = false;
1232 	else
1233 		*is_12bits_color_channel = true;
1234 
1235 	REG_GET(CM_3DLUT_MODE, CM_3DLUT_SIZE, &lut_size);
1236 
1237 	if (lut_size == 0)
1238 		*is_17x17x17 = true;
1239 	else
1240 		*is_17x17x17 = false;
1241 
1242 	return mode;
1243 }
1244 /*
1245  * select ramA or ramB, or bypass
1246  * select color channel size 10 or 12 bits
1247  * select 3dlut size 17x17x17 or 9x9x9
1248  */
dpp3_set_3dlut_mode(struct dpp * dpp_base,enum dc_lut_mode mode,bool is_color_channel_12bits,bool is_lut_size17x17x17)1249 static void dpp3_set_3dlut_mode(
1250 		struct dpp *dpp_base,
1251 		enum dc_lut_mode mode,
1252 		bool is_color_channel_12bits,
1253 		bool is_lut_size17x17x17)
1254 {
1255 	uint32_t lut_mode;
1256 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1257 
1258 	if (mode == LUT_BYPASS)
1259 		lut_mode = 0;
1260 	else if (mode == LUT_RAM_A)
1261 		lut_mode = 1;
1262 	else
1263 		lut_mode = 2;
1264 
1265 	REG_UPDATE_2(CM_3DLUT_MODE,
1266 			CM_3DLUT_MODE, lut_mode,
1267 			CM_3DLUT_SIZE, is_lut_size17x17x17 == true ? 0 : 1);
1268 }
1269 
dpp3_select_3dlut_ram(struct dpp * dpp_base,enum dc_lut_mode mode,bool is_color_channel_12bits)1270 static void dpp3_select_3dlut_ram(
1271 		struct dpp *dpp_base,
1272 		enum dc_lut_mode mode,
1273 		bool is_color_channel_12bits)
1274 {
1275 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1276 
1277 	REG_UPDATE_2(CM_3DLUT_READ_WRITE_CONTROL,
1278 			CM_3DLUT_RAM_SEL, mode == LUT_RAM_A ? 0 : 1,
1279 			CM_3DLUT_30BIT_EN,
1280 			is_color_channel_12bits == true ? 0:1);
1281 }
1282 
1283 
1284 
dpp3_set3dlut_ram12(struct dpp * dpp_base,const struct dc_rgb * lut,uint32_t entries)1285 static void dpp3_set3dlut_ram12(
1286 		struct dpp *dpp_base,
1287 		const struct dc_rgb *lut,
1288 		uint32_t entries)
1289 {
1290 	uint32_t i, red, green, blue, red1, green1, blue1;
1291 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1292 
1293 	for (i = 0 ; i < entries; i += 2) {
1294 		red   = lut[i].red<<4;
1295 		green = lut[i].green<<4;
1296 		blue  = lut[i].blue<<4;
1297 		red1   = lut[i+1].red<<4;
1298 		green1 = lut[i+1].green<<4;
1299 		blue1  = lut[i+1].blue<<4;
1300 
1301 		REG_SET_2(CM_3DLUT_DATA, 0,
1302 				CM_3DLUT_DATA0, red,
1303 				CM_3DLUT_DATA1, red1);
1304 
1305 		REG_SET_2(CM_3DLUT_DATA, 0,
1306 				CM_3DLUT_DATA0, green,
1307 				CM_3DLUT_DATA1, green1);
1308 
1309 		REG_SET_2(CM_3DLUT_DATA, 0,
1310 				CM_3DLUT_DATA0, blue,
1311 				CM_3DLUT_DATA1, blue1);
1312 
1313 	}
1314 }
1315 
1316 /*
1317  * load selected lut with 10 bits color channels
1318  */
dpp3_set3dlut_ram10(struct dpp * dpp_base,const struct dc_rgb * lut,uint32_t entries)1319 static void dpp3_set3dlut_ram10(
1320 		struct dpp *dpp_base,
1321 		const struct dc_rgb *lut,
1322 		uint32_t entries)
1323 {
1324 	uint32_t i, red, green, blue, value;
1325 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1326 
1327 	for (i = 0; i < entries; i++) {
1328 		red   = lut[i].red;
1329 		green = lut[i].green;
1330 		blue  = lut[i].blue;
1331 
1332 		value = (red<<20) | (green<<10) | blue;
1333 
1334 		REG_SET(CM_3DLUT_DATA_30BIT, 0, CM_3DLUT_DATA_30BIT, value);
1335 	}
1336 
1337 }
1338 
1339 
dpp3_select_3dlut_ram_mask(struct dpp * dpp_base,uint32_t ram_selection_mask)1340 static void dpp3_select_3dlut_ram_mask(
1341 		struct dpp *dpp_base,
1342 		uint32_t ram_selection_mask)
1343 {
1344 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
1345 
1346 	REG_UPDATE(CM_3DLUT_READ_WRITE_CONTROL, CM_3DLUT_WRITE_EN_MASK,
1347 			ram_selection_mask);
1348 	REG_SET(CM_3DLUT_INDEX, 0, CM_3DLUT_INDEX, 0);
1349 }
1350 
dpp3_program_3dlut(struct dpp * dpp_base,struct tetrahedral_params * params)1351 static bool dpp3_program_3dlut(struct dpp *dpp_base,
1352 			       struct tetrahedral_params *params)
1353 {
1354 	enum dc_lut_mode mode;
1355 	bool is_17x17x17;
1356 	bool is_12bits_color_channel;
1357 	struct dc_rgb *lut0;
1358 	struct dc_rgb *lut1;
1359 	struct dc_rgb *lut2;
1360 	struct dc_rgb *lut3;
1361 	int lut_size0;
1362 	int lut_size;
1363 
1364 	if (params == NULL) {
1365 		dpp3_set_3dlut_mode(dpp_base, LUT_BYPASS, false, false);
1366 		if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1367 			dpp3_power_on_hdr3dlut(dpp_base, false);
1368 		return false;
1369 	}
1370 
1371 	if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.cm)
1372 		dpp3_power_on_hdr3dlut(dpp_base, true);
1373 
1374 	mode = get3dlut_config(dpp_base, &is_17x17x17, &is_12bits_color_channel);
1375 
1376 	if (mode == LUT_BYPASS || mode == LUT_RAM_B)
1377 		mode = LUT_RAM_A;
1378 	else
1379 		mode = LUT_RAM_B;
1380 
1381 	is_17x17x17 = !params->use_tetrahedral_9;
1382 	is_12bits_color_channel = params->use_12bits;
1383 	if (is_17x17x17) {
1384 		lut0 = params->tetrahedral_17.lut0;
1385 		lut1 = params->tetrahedral_17.lut1;
1386 		lut2 = params->tetrahedral_17.lut2;
1387 		lut3 = params->tetrahedral_17.lut3;
1388 		lut_size0 = sizeof(params->tetrahedral_17.lut0)/
1389 					sizeof(params->tetrahedral_17.lut0[0]);
1390 		lut_size  = sizeof(params->tetrahedral_17.lut1)/
1391 					sizeof(params->tetrahedral_17.lut1[0]);
1392 	} else {
1393 		lut0 = params->tetrahedral_9.lut0;
1394 		lut1 = params->tetrahedral_9.lut1;
1395 		lut2 = params->tetrahedral_9.lut2;
1396 		lut3 = params->tetrahedral_9.lut3;
1397 		lut_size0 = sizeof(params->tetrahedral_9.lut0)/
1398 				sizeof(params->tetrahedral_9.lut0[0]);
1399 		lut_size  = sizeof(params->tetrahedral_9.lut1)/
1400 				sizeof(params->tetrahedral_9.lut1[0]);
1401 		}
1402 
1403 	dpp3_select_3dlut_ram(dpp_base, mode,
1404 				is_12bits_color_channel);
1405 	dpp3_select_3dlut_ram_mask(dpp_base, 0x1);
1406 	if (is_12bits_color_channel)
1407 		dpp3_set3dlut_ram12(dpp_base, lut0, lut_size0);
1408 	else
1409 		dpp3_set3dlut_ram10(dpp_base, lut0, lut_size0);
1410 
1411 	dpp3_select_3dlut_ram_mask(dpp_base, 0x2);
1412 	if (is_12bits_color_channel)
1413 		dpp3_set3dlut_ram12(dpp_base, lut1, lut_size);
1414 	else
1415 		dpp3_set3dlut_ram10(dpp_base, lut1, lut_size);
1416 
1417 	dpp3_select_3dlut_ram_mask(dpp_base, 0x4);
1418 	if (is_12bits_color_channel)
1419 		dpp3_set3dlut_ram12(dpp_base, lut2, lut_size);
1420 	else
1421 		dpp3_set3dlut_ram10(dpp_base, lut2, lut_size);
1422 
1423 	dpp3_select_3dlut_ram_mask(dpp_base, 0x8);
1424 	if (is_12bits_color_channel)
1425 		dpp3_set3dlut_ram12(dpp_base, lut3, lut_size);
1426 	else
1427 		dpp3_set3dlut_ram10(dpp_base, lut3, lut_size);
1428 
1429 
1430 	dpp3_set_3dlut_mode(dpp_base, mode, is_12bits_color_channel,
1431 					is_17x17x17);
1432 
1433 	return true;
1434 }
1435 static struct dpp_funcs dcn30_dpp_funcs = {
1436 	.dpp_program_gamcor_lut = dpp3_program_gamcor_lut,
1437 	.dpp_read_state			= dpp30_read_state,
1438 	.dpp_reset			= dpp_reset,
1439 	.dpp_set_scaler			= dpp1_dscl_set_scaler_manual_scale,
1440 	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
1441 	.dpp_set_gamut_remap		= dpp3_cm_set_gamut_remap,
1442 	.dpp_set_csc_adjustment		= NULL,
1443 	.dpp_set_csc_default		= NULL,
1444 	.dpp_program_regamma_pwl	= NULL,
1445 	.dpp_set_pre_degam		= dpp3_set_pre_degam,
1446 	.dpp_program_input_lut		= NULL,
1447 	.dpp_full_bypass		= dpp1_full_bypass,
1448 	.dpp_setup			= dpp3_cnv_setup,
1449 	.dpp_program_degamma_pwl	= NULL,
1450 	.dpp_program_cm_dealpha = dpp3_program_cm_dealpha,
1451 	.dpp_program_cm_bias = dpp3_program_cm_bias,
1452 	.dpp_program_blnd_lut = dpp3_program_blnd_lut,
1453 	.dpp_program_shaper_lut = dpp3_program_shaper,
1454 	.dpp_program_3dlut = dpp3_program_3dlut,
1455 	.dpp_deferred_update = dpp3_deferred_update,
1456 	.dpp_program_bias_and_scale	= NULL,
1457 	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
1458 	.set_cursor_attributes		= dpp3_set_cursor_attributes,
1459 	.set_cursor_position		= dpp1_set_cursor_position,
1460 	.set_optional_cursor_attributes	= dpp1_cnv_set_optional_cursor_attributes,
1461 	.dpp_dppclk_control		= dpp1_dppclk_control,
1462 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
1463 };
1464 
1465 
1466 static struct dpp_caps dcn30_dpp_cap = {
1467 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
1468 	.dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
1469 };
1470 
dpp3_construct(struct dcn3_dpp * dpp,struct dc_context * ctx,uint32_t inst,const struct dcn3_dpp_registers * tf_regs,const struct dcn3_dpp_shift * tf_shift,const struct dcn3_dpp_mask * tf_mask)1471 bool dpp3_construct(
1472 	struct dcn3_dpp *dpp,
1473 	struct dc_context *ctx,
1474 	uint32_t inst,
1475 	const struct dcn3_dpp_registers *tf_regs,
1476 	const struct dcn3_dpp_shift *tf_shift,
1477 	const struct dcn3_dpp_mask *tf_mask)
1478 {
1479 	dpp->base.ctx = ctx;
1480 
1481 	dpp->base.inst = inst;
1482 	dpp->base.funcs = &dcn30_dpp_funcs;
1483 	dpp->base.caps = &dcn30_dpp_cap;
1484 
1485 	dpp->tf_regs = tf_regs;
1486 	dpp->tf_shift = tf_shift;
1487 	dpp->tf_mask = tf_mask;
1488 
1489 	return true;
1490 }
1491 
1492