xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/dc/dcn10/amdgpu_dcn10_dpp.c (revision eb98f91c7bd22a37bb408331f8d42a17725546bf)
1 /*	$NetBSD: amdgpu_dcn10_dpp.c,v 1.3 2021/12/19 11:24:00 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2016 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: AMD
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_dcn10_dpp.c,v 1.3 2021/12/19 11:24:00 riastradh Exp $");
30 
31 #include "dm_services.h"
32 
33 #include "core_types.h"
34 
35 #include "reg_helper.h"
36 #include "dcn10_dpp.h"
37 #include "basics/conversion.h"
38 
39 #define NUM_PHASES    64
40 #define HORZ_MAX_TAPS 8
41 #define VERT_MAX_TAPS 8
42 
43 #define BLACK_OFFSET_RGB_Y 0x0
44 #define BLACK_OFFSET_CBCR  0x8000
45 
46 #define REG(reg)\
47 	dpp->tf_regs->reg
48 
49 #define CTX \
50 	dpp->base.ctx
51 
52 #undef FN
53 #define FN(reg_name, field_name) \
54 	dpp->tf_shift->field_name, dpp->tf_mask->field_name
55 
56 enum pixel_format_description {
57 	PIXEL_FORMAT_FIXED = 0,
58 	PIXEL_FORMAT_FIXED16,
59 	PIXEL_FORMAT_FLOAT
60 
61 };
62 
63 enum dcn10_coef_filter_type_sel {
64 	SCL_COEF_LUMA_VERT_FILTER = 0,
65 	SCL_COEF_LUMA_HORZ_FILTER = 1,
66 	SCL_COEF_CHROMA_VERT_FILTER = 2,
67 	SCL_COEF_CHROMA_HORZ_FILTER = 3,
68 	SCL_COEF_ALPHA_VERT_FILTER = 4,
69 	SCL_COEF_ALPHA_HORZ_FILTER = 5
70 };
71 
72 enum dscl_autocal_mode {
73 	AUTOCAL_MODE_OFF = 0,
74 
75 	/* Autocal calculate the scaling ratio and initial phase and the
76 	 * DSCL_MODE_SEL must be set to 1
77 	 */
78 	AUTOCAL_MODE_AUTOSCALE = 1,
79 	/* Autocal perform auto centering without replication and the
80 	 * DSCL_MODE_SEL must be set to 0
81 	 */
82 	AUTOCAL_MODE_AUTOCENTER = 2,
83 	/* Autocal perform auto centering and auto replication and the
84 	 * DSCL_MODE_SEL must be set to 0
85 	 */
86 	AUTOCAL_MODE_AUTOREPLICATE = 3
87 };
88 
89 enum dscl_mode_sel {
90 	DSCL_MODE_SCALING_444_BYPASS = 0,
91 	DSCL_MODE_SCALING_444_RGB_ENABLE = 1,
92 	DSCL_MODE_SCALING_444_YCBCR_ENABLE = 2,
93 	DSCL_MODE_SCALING_420_YCBCR_ENABLE = 3,
94 	DSCL_MODE_SCALING_420_LUMA_BYPASS = 4,
95 	DSCL_MODE_SCALING_420_CHROMA_BYPASS = 5,
96 	DSCL_MODE_DSCL_BYPASS = 6
97 };
98 
dpp_read_state(struct dpp * dpp_base,struct dcn_dpp_state * s)99 void dpp_read_state(struct dpp *dpp_base,
100 		struct dcn_dpp_state *s)
101 {
102 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
103 
104 	REG_GET(DPP_CONTROL,
105 			DPP_CLOCK_ENABLE, &s->is_enabled);
106 	REG_GET(CM_IGAM_CONTROL,
107 			CM_IGAM_LUT_MODE, &s->igam_lut_mode);
108 	REG_GET(CM_IGAM_CONTROL,
109 			CM_IGAM_INPUT_FORMAT, &s->igam_input_format);
110 	REG_GET(CM_DGAM_CONTROL,
111 			CM_DGAM_LUT_MODE, &s->dgam_lut_mode);
112 	REG_GET(CM_RGAM_CONTROL,
113 			CM_RGAM_LUT_MODE, &s->rgam_lut_mode);
114 	REG_GET(CM_GAMUT_REMAP_CONTROL,
115 			CM_GAMUT_REMAP_MODE, &s->gamut_remap_mode);
116 
117 	if (s->gamut_remap_mode) {
118 		s->gamut_remap_c11_c12 = REG_READ(CM_GAMUT_REMAP_C11_C12);
119 		s->gamut_remap_c13_c14 = REG_READ(CM_GAMUT_REMAP_C13_C14);
120 		s->gamut_remap_c21_c22 = REG_READ(CM_GAMUT_REMAP_C21_C22);
121 		s->gamut_remap_c23_c24 = REG_READ(CM_GAMUT_REMAP_C23_C24);
122 		s->gamut_remap_c31_c32 = REG_READ(CM_GAMUT_REMAP_C31_C32);
123 		s->gamut_remap_c33_c34 = REG_READ(CM_GAMUT_REMAP_C33_C34);
124 	}
125 }
126 
127 /* Program gamut remap in bypass mode */
dpp_set_gamut_remap_bypass(struct dcn10_dpp * dpp)128 void dpp_set_gamut_remap_bypass(struct dcn10_dpp *dpp)
129 {
130 	REG_SET(CM_GAMUT_REMAP_CONTROL, 0,
131 			CM_GAMUT_REMAP_MODE, 0);
132 	/* Gamut remap in bypass */
133 }
134 
135 #define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19))
136 
dpp1_get_optimal_number_of_taps(struct dpp * dpp,struct scaler_data * scl_data,const struct scaling_taps * in_taps)137 bool dpp1_get_optimal_number_of_taps(
138 		struct dpp *dpp,
139 		struct scaler_data *scl_data,
140 		const struct scaling_taps *in_taps)
141 {
142 	uint32_t pixel_width __unused;
143 
144 	if (scl_data->viewport.width > scl_data->recout.width)
145 		pixel_width = scl_data->recout.width;
146 	else
147 		pixel_width = scl_data->viewport.width;
148 
149 	/* Some ASICs does not support  FP16 scaling, so we reject modes require this*/
150 	if (scl_data->format == PIXEL_FORMAT_FP16 &&
151 		dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
152 		scl_data->ratios.horz.value != dc_fixpt_one.value &&
153 		scl_data->ratios.vert.value != dc_fixpt_one.value)
154 		return false;
155 
156 	if (scl_data->viewport.width > scl_data->h_active &&
157 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
158 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
159 		return false;
160 
161 	/* TODO: add lb check */
162 
163 	/* No support for programming ratio of 4, drop to 3.99999.. */
164 	if (scl_data->ratios.horz.value == (4ll << 32))
165 		scl_data->ratios.horz.value--;
166 	if (scl_data->ratios.vert.value == (4ll << 32))
167 		scl_data->ratios.vert.value--;
168 	if (scl_data->ratios.horz_c.value == (4ll << 32))
169 		scl_data->ratios.horz_c.value--;
170 	if (scl_data->ratios.vert_c.value == (4ll << 32))
171 		scl_data->ratios.vert_c.value--;
172 
173 	/* Set default taps if none are provided */
174 	if (in_taps->h_taps == 0)
175 		scl_data->taps.h_taps = 4;
176 	else
177 		scl_data->taps.h_taps = in_taps->h_taps;
178 	if (in_taps->v_taps == 0)
179 		scl_data->taps.v_taps = 4;
180 	else
181 		scl_data->taps.v_taps = in_taps->v_taps;
182 	if (in_taps->v_taps_c == 0)
183 		scl_data->taps.v_taps_c = 2;
184 	else
185 		scl_data->taps.v_taps_c = in_taps->v_taps_c;
186 	if (in_taps->h_taps_c == 0)
187 		scl_data->taps.h_taps_c = 2;
188 	/* Only 1 and even h_taps_c are supported by hw */
189 	else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
190 		scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
191 	else
192 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
193 
194 	if (!dpp->ctx->dc->debug.always_scale) {
195 		if (IDENTITY_RATIO(scl_data->ratios.horz))
196 			scl_data->taps.h_taps = 1;
197 		if (IDENTITY_RATIO(scl_data->ratios.vert))
198 			scl_data->taps.v_taps = 1;
199 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
200 			scl_data->taps.h_taps_c = 1;
201 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
202 			scl_data->taps.v_taps_c = 1;
203 	}
204 
205 	return true;
206 }
207 
dpp_reset(struct dpp * dpp_base)208 void dpp_reset(struct dpp *dpp_base)
209 {
210 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
211 
212 	dpp->filter_h_c = NULL;
213 	dpp->filter_v_c = NULL;
214 	dpp->filter_h = NULL;
215 	dpp->filter_v = NULL;
216 
217 	memset(&dpp->scl_data, 0, sizeof(dpp->scl_data));
218 	memset(&dpp->pwl_data, 0, sizeof(dpp->pwl_data));
219 }
220 
221 
222 
dpp1_cm_set_regamma_pwl(struct dpp * dpp_base,const struct pwl_params * params,enum opp_regamma mode)223 static void dpp1_cm_set_regamma_pwl(
224 	struct dpp *dpp_base, const struct pwl_params *params, enum opp_regamma mode)
225 {
226 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
227 	uint32_t re_mode = 0;
228 
229 	switch (mode) {
230 	case OPP_REGAMMA_BYPASS:
231 		re_mode = 0;
232 		break;
233 	case OPP_REGAMMA_SRGB:
234 		re_mode = 1;
235 		break;
236 	case OPP_REGAMMA_XVYCC:
237 		re_mode = 2;
238 		break;
239 	case OPP_REGAMMA_USER:
240 		re_mode = dpp->is_write_to_ram_a_safe ? 4 : 3;
241 		if (memcmp(&dpp->pwl_data, params, sizeof(*params)) == 0)
242 			break;
243 
244 		dpp1_cm_power_on_regamma_lut(dpp_base, true);
245 		dpp1_cm_configure_regamma_lut(dpp_base, dpp->is_write_to_ram_a_safe);
246 
247 		if (dpp->is_write_to_ram_a_safe)
248 			dpp1_cm_program_regamma_luta_settings(dpp_base, params);
249 		else
250 			dpp1_cm_program_regamma_lutb_settings(dpp_base, params);
251 
252 		dpp1_cm_program_regamma_lut(dpp_base, params->rgb_resulted,
253 					    params->hw_points_num);
254 		dpp->pwl_data = *params;
255 
256 		re_mode = dpp->is_write_to_ram_a_safe ? 3 : 4;
257 		dpp->is_write_to_ram_a_safe = !dpp->is_write_to_ram_a_safe;
258 		break;
259 	default:
260 		break;
261 	}
262 	REG_SET(CM_RGAM_CONTROL, 0, CM_RGAM_LUT_MODE, re_mode);
263 }
264 
dpp1_setup_format_flags(enum surface_pixel_format input_format,enum pixel_format_description * fmt)265 static void dpp1_setup_format_flags(enum surface_pixel_format input_format,\
266 						enum pixel_format_description *fmt)
267 {
268 
269 	if (input_format == SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F ||
270 		input_format == SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F)
271 		*fmt = PIXEL_FORMAT_FLOAT;
272 	else if (input_format == SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616)
273 		*fmt = PIXEL_FORMAT_FIXED16;
274 	else
275 		*fmt = PIXEL_FORMAT_FIXED;
276 }
277 
dpp1_set_degamma_format_float(struct dpp * dpp_base,bool is_float)278 static void dpp1_set_degamma_format_float(
279 		struct dpp *dpp_base,
280 		bool is_float)
281 {
282 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
283 
284 	if (is_float) {
285 		REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_INPUT_FORMAT, 3);
286 		REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, 1);
287 	} else {
288 		REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_INPUT_FORMAT, 2);
289 		REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, 0);
290 	}
291 }
292 
dpp1_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)293 void dpp1_cnv_setup (
294 		struct dpp *dpp_base,
295 		enum surface_pixel_format format,
296 		enum expansion_mode mode,
297 		struct dc_csc_transform input_csc_color_matrix,
298 		enum dc_color_space input_color_space,
299 		struct cnv_alpha_2bit_lut *alpha_2bit_lut)
300 {
301 	uint32_t pixel_format;
302 	uint32_t alpha_en;
303 	enum pixel_format_description fmt ;
304 	enum dc_color_space color_space;
305 	enum dcn10_input_csc_select select;
306 	bool is_float;
307 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
308 	bool force_disable_cursor = false;
309 	struct out_csc_color_matrix tbl_entry;
310 	int i = 0;
311 
312 	dpp1_setup_format_flags(format, &fmt);
313 	alpha_en = 1;
314 	pixel_format = 0;
315 	color_space = COLOR_SPACE_SRGB;
316 	select = INPUT_CSC_SELECT_BYPASS;
317 	is_float = false;
318 
319 	switch (fmt) {
320 	case PIXEL_FORMAT_FIXED:
321 	case PIXEL_FORMAT_FIXED16:
322 	/*when output is float then FORMAT_CONTROL__OUTPUT_FP=1*/
323 		REG_SET_3(FORMAT_CONTROL, 0,
324 			CNVC_BYPASS, 0,
325 			FORMAT_EXPANSION_MODE, mode,
326 			OUTPUT_FP, 0);
327 		break;
328 	case PIXEL_FORMAT_FLOAT:
329 		REG_SET_3(FORMAT_CONTROL, 0,
330 			CNVC_BYPASS, 0,
331 			FORMAT_EXPANSION_MODE, mode,
332 			OUTPUT_FP, 1);
333 		is_float = true;
334 		break;
335 	default:
336 
337 		break;
338 	}
339 
340 	dpp1_set_degamma_format_float(dpp_base, is_float);
341 
342 	switch (format) {
343 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
344 		pixel_format = 1;
345 		break;
346 	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
347 		pixel_format = 3;
348 		alpha_en = 0;
349 		break;
350 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
351 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
352 		pixel_format = 8;
353 		break;
354 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
355 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
356 		pixel_format = 10;
357 		break;
358 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
359 		force_disable_cursor = false;
360 		pixel_format = 65;
361 		color_space = COLOR_SPACE_YCBCR709;
362 		select = INPUT_CSC_SELECT_ICSC;
363 		break;
364 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
365 		force_disable_cursor = true;
366 		pixel_format = 64;
367 		color_space = COLOR_SPACE_YCBCR709;
368 		select = INPUT_CSC_SELECT_ICSC;
369 		break;
370 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
371 		force_disable_cursor = true;
372 		pixel_format = 67;
373 		color_space = COLOR_SPACE_YCBCR709;
374 		select = INPUT_CSC_SELECT_ICSC;
375 		break;
376 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
377 		force_disable_cursor = true;
378 		pixel_format = 66;
379 		color_space = COLOR_SPACE_YCBCR709;
380 		select = INPUT_CSC_SELECT_ICSC;
381 		break;
382 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
383 		pixel_format = 22;
384 		break;
385 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
386 		pixel_format = 24;
387 		break;
388 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
389 		pixel_format = 25;
390 		break;
391 	default:
392 		break;
393 	}
394 
395 	/* Set default color space based on format if none is given. */
396 	color_space = input_color_space ? input_color_space : color_space;
397 
398 	REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
399 			CNVC_SURFACE_PIXEL_FORMAT, pixel_format);
400 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
401 
402 	// if input adjustments exist, program icsc with those values
403 
404 	if (input_csc_color_matrix.enable_adjustment
405 				== true) {
406 		for (i = 0; i < 12; i++)
407 			tbl_entry.regval[i] = input_csc_color_matrix.matrix[i];
408 
409 		tbl_entry.color_space = color_space;
410 
411 		if (color_space >= COLOR_SPACE_YCBCR601)
412 			select = INPUT_CSC_SELECT_ICSC;
413 		else
414 			select = INPUT_CSC_SELECT_BYPASS;
415 
416 		dpp1_program_input_csc(dpp_base, color_space, select, &tbl_entry);
417 	} else
418 		dpp1_program_input_csc(dpp_base, color_space, select, NULL);
419 
420 	if (force_disable_cursor) {
421 		REG_UPDATE(CURSOR_CONTROL,
422 				CURSOR_ENABLE, 0);
423 		REG_UPDATE(CURSOR0_CONTROL,
424 				CUR0_ENABLE, 0);
425 	}
426 }
427 
dpp1_set_cursor_attributes(struct dpp * dpp_base,struct dc_cursor_attributes * cursor_attributes)428 void dpp1_set_cursor_attributes(
429 		struct dpp *dpp_base,
430 		struct dc_cursor_attributes *cursor_attributes)
431 {
432 	enum dc_cursor_color_format color_format = cursor_attributes->color_format;
433 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
434 
435 	REG_UPDATE_2(CURSOR0_CONTROL,
436 			CUR0_MODE, color_format,
437 			CUR0_EXPANSION_MODE, 0);
438 
439 	if (color_format == CURSOR_MODE_MONO) {
440 		/* todo: clarify what to program these to */
441 		REG_UPDATE(CURSOR0_COLOR0,
442 				CUR0_COLOR0, 0x00000000);
443 		REG_UPDATE(CURSOR0_COLOR1,
444 				CUR0_COLOR1, 0xFFFFFFFF);
445 	}
446 }
447 
448 
dpp1_set_cursor_position(struct dpp * dpp_base,const struct dc_cursor_position * pos,const struct dc_cursor_mi_param * param,uint32_t width,uint32_t height)449 void dpp1_set_cursor_position(
450 		struct dpp *dpp_base,
451 		const struct dc_cursor_position *pos,
452 		const struct dc_cursor_mi_param *param,
453 		uint32_t width,
454 		uint32_t height)
455 {
456 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
457 	int src_x_offset = pos->x - pos->x_hotspot - param->viewport.x;
458 	int src_y_offset = pos->y - pos->y_hotspot - param->viewport.y;
459 	uint32_t cur_en = pos->enable ? 1 : 0;
460 
461 	// Cursor width/height and hotspots need to be rotated for offset calculation
462 	if (param->rotation == ROTATION_ANGLE_90 || param->rotation == ROTATION_ANGLE_270) {
463 		swap(width, height);
464 		if (param->rotation == ROTATION_ANGLE_90) {
465 			src_x_offset = pos->x - pos->y_hotspot - param->viewport.x;
466 			src_y_offset = pos->y - pos->x_hotspot - param->viewport.y;
467 		}
468 	} else if (param->rotation == ROTATION_ANGLE_180) {
469 		src_x_offset = pos->x - param->viewport.x;
470 		src_y_offset = pos->y - param->viewport.y;
471 	}
472 
473 
474 	if (src_x_offset >= (int)param->viewport.width)
475 		cur_en = 0;  /* not visible beyond right edge*/
476 
477 	if (src_x_offset + (int)width <= 0)
478 		cur_en = 0;  /* not visible beyond left edge*/
479 
480 	if (src_y_offset >= (int)param->viewport.height)
481 		cur_en = 0;  /* not visible beyond bottom edge*/
482 
483 	if (src_y_offset + (int)height <= 0)
484 		cur_en = 0;  /* not visible beyond top edge*/
485 
486 	REG_UPDATE(CURSOR0_CONTROL,
487 			CUR0_ENABLE, cur_en);
488 
489 }
490 
dpp1_cnv_set_optional_cursor_attributes(struct dpp * dpp_base,struct dpp_cursor_attributes * attr)491 void dpp1_cnv_set_optional_cursor_attributes(
492 		struct dpp *dpp_base,
493 		struct dpp_cursor_attributes *attr)
494 {
495 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
496 
497 	if (attr) {
498 		REG_UPDATE(CURSOR0_FP_SCALE_BIAS,  CUR0_FP_BIAS,  attr->bias);
499 		REG_UPDATE(CURSOR0_FP_SCALE_BIAS,  CUR0_FP_SCALE, attr->scale);
500 	}
501 }
502 
dpp1_dppclk_control(struct dpp * dpp_base,bool dppclk_div,bool enable)503 void dpp1_dppclk_control(
504 		struct dpp *dpp_base,
505 		bool dppclk_div,
506 		bool enable)
507 {
508 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
509 
510 	if (enable) {
511 		if (dpp->tf_mask->DPPCLK_RATE_CONTROL)
512 			REG_UPDATE_2(DPP_CONTROL,
513 				DPPCLK_RATE_CONTROL, dppclk_div,
514 				DPP_CLOCK_ENABLE, 1);
515 		else
516 			REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 1);
517 	} else
518 		REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 0);
519 }
520 
521 static const struct dpp_funcs dcn10_dpp_funcs = {
522 		.dpp_read_state = dpp_read_state,
523 		.dpp_reset = dpp_reset,
524 		.dpp_set_scaler = dpp1_dscl_set_scaler_manual_scale,
525 		.dpp_get_optimal_number_of_taps = dpp1_get_optimal_number_of_taps,
526 		.dpp_set_gamut_remap = dpp1_cm_set_gamut_remap,
527 		.dpp_set_csc_adjustment = dpp1_cm_set_output_csc_adjustment,
528 		.dpp_set_csc_default = dpp1_cm_set_output_csc_default,
529 		.dpp_power_on_regamma_lut = dpp1_cm_power_on_regamma_lut,
530 		.dpp_program_regamma_lut = dpp1_cm_program_regamma_lut,
531 		.dpp_configure_regamma_lut = dpp1_cm_configure_regamma_lut,
532 		.dpp_program_regamma_lutb_settings = dpp1_cm_program_regamma_lutb_settings,
533 		.dpp_program_regamma_luta_settings = dpp1_cm_program_regamma_luta_settings,
534 		.dpp_program_regamma_pwl = dpp1_cm_set_regamma_pwl,
535 		.dpp_program_bias_and_scale = dpp1_program_bias_and_scale,
536 		.dpp_set_degamma = dpp1_set_degamma,
537 		.dpp_program_input_lut		= dpp1_program_input_lut,
538 		.dpp_program_degamma_pwl	= dpp1_set_degamma_pwl,
539 		.dpp_setup			= dpp1_cnv_setup,
540 		.dpp_full_bypass		= dpp1_full_bypass,
541 		.set_cursor_attributes = dpp1_set_cursor_attributes,
542 		.set_cursor_position = dpp1_set_cursor_position,
543 		.set_optional_cursor_attributes = dpp1_cnv_set_optional_cursor_attributes,
544 		.dpp_dppclk_control = dpp1_dppclk_control,
545 		.dpp_set_hdr_multiplier = dpp1_set_hdr_multiplier,
546 		.dpp_program_blnd_lut = NULL,
547 		.dpp_program_shaper_lut = NULL,
548 		.dpp_program_3dlut = NULL
549 };
550 
551 static struct dpp_caps dcn10_dpp_cap = {
552 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FIXED_FORMAT,
553 	.dscl_calc_lb_num_partitions = dpp1_dscl_calc_lb_num_partitions,
554 };
555 
556 /*****************************************/
557 /* Constructor, Destructor               */
558 /*****************************************/
559 
dpp1_construct(struct dcn10_dpp * dpp,struct dc_context * ctx,uint32_t inst,const struct dcn_dpp_registers * tf_regs,const struct dcn_dpp_shift * tf_shift,const struct dcn_dpp_mask * tf_mask)560 void dpp1_construct(
561 	struct dcn10_dpp *dpp,
562 	struct dc_context *ctx,
563 	uint32_t inst,
564 	const struct dcn_dpp_registers *tf_regs,
565 	const struct dcn_dpp_shift *tf_shift,
566 	const struct dcn_dpp_mask *tf_mask)
567 {
568 	dpp->base.ctx = ctx;
569 
570 	dpp->base.inst = inst;
571 	dpp->base.funcs = &dcn10_dpp_funcs;
572 	dpp->base.caps = &dcn10_dpp_cap;
573 
574 	dpp->tf_regs = tf_regs;
575 	dpp->tf_shift = tf_shift;
576 	dpp->tf_mask = tf_mask;
577 
578 	dpp->lb_pixel_depth_supported =
579 		LB_PIXEL_DEPTH_18BPP |
580 		LB_PIXEL_DEPTH_24BPP |
581 		LB_PIXEL_DEPTH_30BPP;
582 
583 	dpp->lb_bits_per_entry = LB_BITS_PER_ENTRY;
584 	dpp->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x1404*/
585 }
586