xref: /linux/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1 /*
2  * Copyright 2023 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 "dcn401/dcn401_dpp.h"
30 #include "basics/conversion.h"
31 #include "dcn30/dcn30_cm_common.h"
32 #include "dcn32/dcn32_dpp.h"
33 #include "dcn35/dcn35_dpp.h"
34 
35 #define REG(reg)\
36 	dpp->tf_regs->reg
37 
38 #define CTX \
39 	dpp->base.ctx
40 
41 #undef FN
42 #define FN(reg_name, field_name) \
43 	dpp->tf_shift->field_name, dpp->tf_mask->field_name
44 
dpp401_read_state(struct dpp * dpp_base,struct dcn_dpp_state * s)45 void dpp401_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s)
46 {
47 	struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
48 
49 	REG_GET(DPP_CONTROL,
50 		DPP_CLOCK_ENABLE, &s->is_enabled);
51 
52 	// TODO: Implement for DCN4
53 }
54 
dpp401_dpp_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)55 void dpp401_dpp_setup(
56 	struct dpp *dpp_base,
57 	enum surface_pixel_format format,
58 	enum expansion_mode mode,
59 	struct dc_csc_transform input_csc_color_matrix,
60 	enum dc_color_space input_color_space,
61 	struct cnv_alpha_2bit_lut *alpha_2bit_lut)
62 {
63 	struct dcn401_dpp *dpp = TO_DCN401_DPP(dpp_base);
64 	uint32_t pixel_format = 0;
65 	uint32_t alpha_en = 1;
66 	enum dc_color_space color_space = COLOR_SPACE_SRGB;
67 	enum dcn10_input_csc_select select = INPUT_CSC_SELECT_BYPASS;
68 	uint32_t is_2bit = 0;
69 	uint32_t alpha_plane_enable = 0;
70 	uint32_t dealpha_en = 0, dealpha_ablnd_en = 0;
71 	uint32_t realpha_en = 0, realpha_ablnd_en = 0;
72 	struct out_csc_color_matrix tbl_entry;
73 	int i;
74 
75 	REG_SET_2(FORMAT_CONTROL, 0,
76 		CNVC_BYPASS, 0,
77 		FORMAT_EXPANSION_MODE, mode);
78 
79 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CNV16, 0);
80 	REG_UPDATE(FORMAT_CONTROL, CNVC_BYPASS_MSB_ALIGN, 0);
81 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE, 0);
82 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE_C, 0);
83 
84 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_R, 0);
85 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_G, 1);
86 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CROSSBAR_B, 2);
87 
88 	switch (format) {
89 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
90 		pixel_format = 1;
91 		break;
92 	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
93 		pixel_format = 3;
94 		alpha_en = 0;
95 		break;
96 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
97 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
98 		pixel_format = 8;
99 		break;
100 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
101 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
102 		pixel_format = 10;
103 		is_2bit = 1;
104 		break;
105 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
106 		pixel_format = 65;
107 		color_space = COLOR_SPACE_YCBCR709;
108 		select = INPUT_CSC_SELECT_ICSC;
109 		break;
110 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
111 		pixel_format = 64;
112 		color_space = COLOR_SPACE_YCBCR709;
113 		select = INPUT_CSC_SELECT_ICSC;
114 		break;
115 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
116 		pixel_format = 67;
117 		color_space = COLOR_SPACE_YCBCR709;
118 		select = INPUT_CSC_SELECT_ICSC;
119 		break;
120 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
121 		pixel_format = 66;
122 		color_space = COLOR_SPACE_YCBCR709;
123 		select = INPUT_CSC_SELECT_ICSC;
124 		break;
125 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
126 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
127 		pixel_format = 26; /* ARGB16161616_UNORM */
128 		break;
129 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
130 		pixel_format = 24;
131 		break;
132 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
133 		pixel_format = 25;
134 		break;
135 	case SURFACE_PIXEL_FORMAT_VIDEO_AYCrCb8888:
136 		pixel_format = 12;
137 		color_space = COLOR_SPACE_YCBCR709;
138 		select = INPUT_CSC_SELECT_ICSC;
139 		break;
140 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
141 		pixel_format = 112;
142 		alpha_en = 0;
143 		break;
144 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
145 		pixel_format = 113;
146 		alpha_en = 0;
147 		break;
148 	case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
149 		pixel_format = 114;
150 		color_space = COLOR_SPACE_YCBCR709;
151 		select = INPUT_CSC_SELECT_ICSC;
152 		is_2bit = 1;
153 		break;
154 	case SURFACE_PIXEL_FORMAT_VIDEO_CrYCbA1010102:
155 		pixel_format = 115;
156 		color_space = COLOR_SPACE_YCBCR709;
157 		select = INPUT_CSC_SELECT_ICSC;
158 		is_2bit = 1;
159 		break;
160 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE:
161 		pixel_format = 116;
162 		alpha_plane_enable = 0;
163 		break;
164 	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
165 		pixel_format = 116;
166 		alpha_plane_enable = 1;
167 		break;
168 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
169 		pixel_format = 118;
170 		alpha_en = 0;
171 		break;
172 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
173 		pixel_format = 119;
174 		alpha_en = 0;
175 		break;
176 	default:
177 		break;
178 	}
179 
180 	/* Set default color space based on format if none is given. */
181 	color_space = input_color_space ? input_color_space : color_space;
182 
183 	if (is_2bit == 1 && alpha_2bit_lut != NULL) {
184 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
185 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1);
186 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT2, alpha_2bit_lut->lut2);
187 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT3, alpha_2bit_lut->lut3);
188 	}
189 
190 	REG_SET_2(CNVC_SURFACE_PIXEL_FORMAT, 0,
191 		CNVC_SURFACE_PIXEL_FORMAT, pixel_format,
192 		CNVC_ALPHA_PLANE_ENABLE, alpha_plane_enable);
193 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
194 
195 	REG_SET_2(PRE_DEALPHA, 0,
196 		PRE_DEALPHA_EN, dealpha_en,
197 		PRE_DEALPHA_ABLND_EN, dealpha_ablnd_en);
198 	REG_SET_2(PRE_REALPHA, 0,
199 		PRE_REALPHA_EN, realpha_en,
200 		PRE_REALPHA_ABLND_EN, realpha_ablnd_en);
201 
202 	/* If input adjustment exists, program the ICSC with those values. */
203 	if (input_csc_color_matrix.enable_adjustment == true) {
204 		for (i = 0; i < 12; i++)
205 			tbl_entry.regval[i] = input_csc_color_matrix.matrix[i];
206 
207 		tbl_entry.color_space = input_color_space;
208 
209 		if (color_space >= COLOR_SPACE_YCBCR601)
210 			select = INPUT_CSC_SELECT_ICSC;
211 		else
212 			select = INPUT_CSC_SELECT_BYPASS;
213 
214 		dpp3_program_post_csc(dpp_base, color_space, select,
215 			&tbl_entry);
216 	} else {
217 		dpp3_program_post_csc(dpp_base, color_space, select, NULL);
218 	}
219 }
220 
221 
222 static struct dpp_funcs dcn401_dpp_funcs = {
223 	.dpp_program_gamcor_lut		= dpp3_program_gamcor_lut,
224 	.dpp_read_state				= dpp401_read_state,
225 	.dpp_reset					= dpp_reset,
226 	.dpp_set_scaler				= dpp401_dscl_set_scaler_manual_scale,
227 	.dpp_get_optimal_number_of_taps	= dpp3_get_optimal_number_of_taps,
228 	.dpp_set_gamut_remap		= NULL,
229 	.dpp_set_csc_adjustment		= NULL,
230 	.dpp_set_csc_default		= NULL,
231 	.dpp_program_regamma_pwl	= NULL,
232 	.dpp_set_pre_degam			= dpp3_set_pre_degam,
233 	.dpp_program_input_lut		= NULL,
234 	.dpp_full_bypass			= dpp401_full_bypass,
235 	.dpp_setup					= dpp401_dpp_setup,
236 	.dpp_program_degamma_pwl	= NULL,
237 	.dpp_program_cm_dealpha		= dpp3_program_cm_dealpha,
238 	.dpp_program_cm_bias		= dpp3_program_cm_bias,
239 
240 	.dpp_program_blnd_lut		= NULL, // BLNDGAM is removed completely in DCN3.2 DPP
241 	.dpp_program_shaper_lut		= NULL, // CM SHAPER block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
242 	.dpp_program_3dlut			= NULL, // CM 3DLUT block is removed in DCN3.2 DPP, (it is in MPCC, programmable before or after BLND)
243 
244 	.dpp_program_bias_and_scale	= dpp35_program_bias_and_scale_fcnv,
245 	.dpp_cnv_set_alpha_keyer	= dpp2_cnv_set_alpha_keyer,
246 	.set_cursor_attributes		= dpp401_set_cursor_attributes,
247 	.set_cursor_position		= dpp401_set_cursor_position,
248 	.set_optional_cursor_attributes	= dpp401_set_optional_cursor_attributes,
249 	.dpp_dppclk_control			= dpp1_dppclk_control,
250 	.dpp_set_hdr_multiplier		= dpp3_set_hdr_multiplier,
251 	.set_cursor_matrix			= dpp401_set_cursor_matrix,
252 };
253 
254 
255 static struct dpp_caps dcn401_dpp_cap = {
256 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
257 	.max_lb_partitions = 63,
258 	.dscl_calc_lb_num_partitions = dscl401_calc_lb_num_partitions,
259 };
260 
dpp401_construct(struct dcn401_dpp * dpp,struct dc_context * ctx,uint32_t inst,const struct dcn401_dpp_registers * tf_regs,const struct dcn401_dpp_shift * tf_shift,const struct dcn401_dpp_mask * tf_mask)261 bool dpp401_construct(
262 	struct dcn401_dpp *dpp,
263 	struct dc_context *ctx,
264 	uint32_t inst,
265 	const struct dcn401_dpp_registers *tf_regs,
266 	const struct dcn401_dpp_shift *tf_shift,
267 	const struct dcn401_dpp_mask *tf_mask)
268 {
269 	dpp->base.ctx = ctx;
270 
271 	dpp->base.inst = inst;
272 	dpp->base.funcs = &dcn401_dpp_funcs;
273 	dpp->base.caps = &dcn401_dpp_cap;
274 
275 	dpp->tf_regs = tf_regs;
276 	dpp->tf_shift = tf_shift;
277 	dpp->tf_mask = tf_mask;
278 
279 	return true;
280 }
281 /* Compute the maximum number of lines that we can fit in the line buffer */
282 
dscl401_calc_lb_num_partitions(const struct scaler_data * scl_data,enum lb_memory_config lb_config,int * num_part_y,int * num_part_c)283 void dscl401_calc_lb_num_partitions(
284 		const struct scaler_data *scl_data,
285 		enum lb_memory_config lb_config,
286 		int *num_part_y,
287 		int *num_part_c)
288 {
289 	int memory_line_size_y, memory_line_size_c, memory_line_size_a,
290 	lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
291 
292 	int line_size = scl_data->viewport.width < scl_data->recout.width ?
293 			scl_data->viewport.width : scl_data->recout.width;
294 	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
295 			scl_data->viewport_c.width : scl_data->recout.width;
296 
297 	if (line_size == 0)
298 		line_size = 1;
299 
300 	if (line_size_c == 0)
301 		line_size_c = 1;
302 
303 	memory_line_size_y = (line_size + 5) / 6; /* +5 to ceil */
304 	memory_line_size_c = (line_size_c + 5) / 6; /* +5 to ceil */
305 	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
306 
307 	if (lb_config == LB_MEMORY_CONFIG_1) {
308 		lb_memory_size = 970;
309 		lb_memory_size_c = 970;
310 		lb_memory_size_a = 970;
311 	} else if (lb_config == LB_MEMORY_CONFIG_2) {
312 		lb_memory_size = 1290;
313 		lb_memory_size_c = 1290;
314 		lb_memory_size_a = 1290;
315 	} else if (lb_config == LB_MEMORY_CONFIG_3) {
316 		if (scl_data->viewport.width  == scl_data->h_active &&
317 			scl_data->viewport.height == scl_data->v_active) {
318 			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
319 			/* use increased LB size for calculation only if Scaler not enabled */
320 			lb_memory_size = 970 + 1290 + 1170 + 1170 + 1170;
321 			lb_memory_size_c = 970 + 1290;
322 			lb_memory_size_a = 970 + 1290 + 1170;
323 		} else {
324 			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
325 			lb_memory_size = 970 + 1290 + 484 + 484 + 484;
326 			lb_memory_size_c = 970 + 1290;
327 			lb_memory_size_a = 970 + 1290 + 484;
328 		}
329 	} else {
330 		if (scl_data->viewport.width  == scl_data->h_active &&
331 			scl_data->viewport.height == scl_data->v_active) {
332 			/* use increased LB size for calculation only if Scaler not enabled */
333 			lb_memory_size = 970 + 1290 + 1170;
334 			lb_memory_size_c = 970 + 1290 + 1170;
335 			lb_memory_size_a = 970 + 1290 + 1170;
336 		} else {
337 			lb_memory_size = 970 + 1290 + 484;
338 			lb_memory_size_c = 970 + 1290 + 484;
339 			lb_memory_size_a = 970 + 1290 + 484;
340 		}
341 	}
342 	*num_part_y = lb_memory_size / memory_line_size_y;
343 	*num_part_c = lb_memory_size_c / memory_line_size_c;
344 	num_partitions_a = lb_memory_size_a / memory_line_size_a;
345 
346 	if (scl_data->lb_params.alpha_en
347 			&& (num_partitions_a < *num_part_y))
348 		*num_part_y = num_partitions_a;
349 
350 	if (*num_part_y > 64)
351 		*num_part_y = 64;
352 	if (*num_part_c > 64)
353 		*num_part_c = 64;
354 }
355 
356 /* Compute the maximum number of lines that we can fit in the line buffer */
dscl401_spl_calc_lb_num_partitions(bool alpha_en,const struct spl_scaler_data * scl_data,enum lb_memory_config lb_config,int * num_part_y,int * num_part_c)357 void dscl401_spl_calc_lb_num_partitions(
358 		bool alpha_en,
359 		const struct spl_scaler_data *scl_data,
360 		enum lb_memory_config lb_config,
361 		int *num_part_y,
362 		int *num_part_c)
363 {
364 	int memory_line_size_y, memory_line_size_c, memory_line_size_a,
365 	lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
366 
367 	int line_size = scl_data->viewport.width < scl_data->recout.width ?
368 			scl_data->viewport.width : scl_data->recout.width;
369 	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
370 			scl_data->viewport_c.width : scl_data->recout.width;
371 
372 	if (line_size == 0)
373 		line_size = 1;
374 
375 	if (line_size_c == 0)
376 		line_size_c = 1;
377 
378 	memory_line_size_y = (line_size + 5) / 6; /* +5 to ceil */
379 	memory_line_size_c = (line_size_c + 5) / 6; /* +5 to ceil */
380 	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
381 
382 	if (lb_config == LB_MEMORY_CONFIG_1) {
383 		lb_memory_size = 970;
384 		lb_memory_size_c = 970;
385 		lb_memory_size_a = 970;
386 	} else if (lb_config == LB_MEMORY_CONFIG_2) {
387 		lb_memory_size = 1290;
388 		lb_memory_size_c = 1290;
389 		lb_memory_size_a = 1290;
390 	} else if (lb_config == LB_MEMORY_CONFIG_3) {
391 		if (scl_data->viewport.width  == scl_data->h_active &&
392 			scl_data->viewport.height == scl_data->v_active) {
393 			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
394 			/* use increased LB size for calculation only if Scaler not enabled */
395 			lb_memory_size = 970 + 1290 + 1170 + 1170 + 1170;
396 			lb_memory_size_c = 970 + 1290;
397 			lb_memory_size_a = 970 + 1290 + 1170;
398 		} else {
399 			/* 420 mode: luma using all 3 mem from Y, plus 3rd mem from Cr and Cb */
400 			lb_memory_size = 970 + 1290 + 484 + 484 + 484;
401 			lb_memory_size_c = 970 + 1290;
402 			lb_memory_size_a = 970 + 1290 + 484;
403 		}
404 	} else {
405 		if (scl_data->viewport.width  == scl_data->h_active &&
406 			scl_data->viewport.height == scl_data->v_active) {
407 			/* use increased LB size for calculation only if Scaler not enabled */
408 			lb_memory_size = 970 + 1290 + 1170;
409 			lb_memory_size_c = 970 + 1290 + 1170;
410 			lb_memory_size_a = 970 + 1290 + 1170;
411 		} else {
412 			lb_memory_size = 970 + 1290 + 484;
413 			lb_memory_size_c = 970 + 1290 + 484;
414 			lb_memory_size_a = 970 + 1290 + 484;
415 		}
416 	}
417 	*num_part_y = lb_memory_size / memory_line_size_y;
418 	*num_part_c = lb_memory_size_c / memory_line_size_c;
419 	num_partitions_a = lb_memory_size_a / memory_line_size_a;
420 
421 	if (alpha_en && (num_partitions_a < *num_part_y))
422 		*num_part_y = num_partitions_a;
423 
424 	if (*num_part_y > 64)
425 		*num_part_y = 64;
426 	if (*num_part_c > 64)
427 		*num_part_c = 64;
428 }
429