xref: /linux/drivers/gpu/drm/amd/display/dc/dpp/dcn201/dcn201_dpp.c (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /*
2  * Copyright 2016 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 
28 #include "core_types.h"
29 
30 #include "reg_helper.h"
31 #include "dcn201/dcn201_dpp.h"
32 #include "basics/conversion.h"
33 
34 #define REG(reg)\
35 	dpp->tf_regs->reg
36 
37 #define CTX \
38 	dpp->base.ctx
39 
40 #undef FN
41 #define FN(reg_name, field_name) \
42 	dpp->tf_shift->field_name, dpp->tf_mask->field_name
43 
dpp201_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)44 static void dpp201_cnv_setup(
45 		struct dpp *dpp_base,
46 		enum surface_pixel_format format,
47 		enum expansion_mode mode,
48 		struct dc_csc_transform input_csc_color_matrix,
49 		enum dc_color_space input_color_space,
50 		struct cnv_alpha_2bit_lut *alpha_2bit_lut)
51 {
52 	struct dcn201_dpp *dpp = TO_DCN201_DPP(dpp_base);
53 	uint32_t pixel_format = 0;
54 	uint32_t alpha_en = 1;
55 	enum dc_color_space color_space = COLOR_SPACE_SRGB;
56 	enum dcn10_input_csc_select select = INPUT_CSC_SELECT_BYPASS;
57 	bool force_disable_cursor = false;
58 	uint32_t is_2bit = 0;
59 
60 	REG_SET_2(FORMAT_CONTROL, 0,
61 		CNVC_BYPASS, 0,
62 		FORMAT_EXPANSION_MODE, mode);
63 
64 	/*
65 	 * hardcode default
66 	 * FORMAT_CONTROL. FORMAT_CNV16				default 0: U0.16/S.1.15;	1: U1.15/ S.1.14
67 	 * FORMAT_CONTROL. CNVC_BYPASS_MSB_ALIGN		default 0: disabled			1: enabled
68 	 * FORMAT_CONTROL. CLAMP_POSITIVE			default 0: disabled			1: enabled
69 	 * FORMAT_CONTROL. CLAMP_POSITIVE_C			default 0: disabled			1: enabled
70 	 */
71 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CNV16, 0);
72 	REG_UPDATE(FORMAT_CONTROL, CNVC_BYPASS_MSB_ALIGN, 0);
73 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE, 0);
74 	REG_UPDATE(FORMAT_CONTROL, CLAMP_POSITIVE_C, 0);
75 
76 	switch (format) {
77 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
78 		pixel_format = 1;
79 		break;
80 	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
81 		pixel_format = 3;
82 		alpha_en = 0;
83 		break;
84 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
85 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
86 		pixel_format = 8;
87 		break;
88 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
89 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
90 		pixel_format = 10;
91 		is_2bit = 1;
92 		break;
93 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
94 		force_disable_cursor = false;
95 		pixel_format = 65;
96 		color_space = COLOR_SPACE_YCBCR709;
97 		select = INPUT_CSC_SELECT_ICSC;
98 		break;
99 	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
100 		force_disable_cursor = true;
101 		pixel_format = 64;
102 		color_space = COLOR_SPACE_YCBCR709;
103 		select = INPUT_CSC_SELECT_ICSC;
104 		break;
105 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
106 		force_disable_cursor = true;
107 		pixel_format = 67;
108 		color_space = COLOR_SPACE_YCBCR709;
109 		select = INPUT_CSC_SELECT_ICSC;
110 		break;
111 	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
112 		force_disable_cursor = true;
113 		pixel_format = 66;
114 		color_space = COLOR_SPACE_YCBCR709;
115 		select = INPUT_CSC_SELECT_ICSC;
116 		break;
117 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
118 		pixel_format = 22;
119 		break;
120 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
121 		pixel_format = 24;
122 		break;
123 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
124 		pixel_format = 25;
125 		break;
126 	case SURFACE_PIXEL_FORMAT_VIDEO_AYCrCb8888:
127 		pixel_format = 12;
128 		color_space = COLOR_SPACE_YCBCR709;
129 		select = INPUT_CSC_SELECT_ICSC;
130 		break;
131 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
132 		pixel_format = 112;
133 		alpha_en = 0;
134 		break;
135 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
136 		pixel_format = 113;
137 		alpha_en = 0;
138 		break;
139 	case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
140 		pixel_format = 114;
141 		color_space = COLOR_SPACE_YCBCR709;
142 		select = INPUT_CSC_SELECT_ICSC;
143 		is_2bit = 1;
144 		break;
145 	case SURFACE_PIXEL_FORMAT_VIDEO_CrYCbA1010102:
146 		pixel_format = 115;
147 		color_space = COLOR_SPACE_YCBCR709;
148 		select = INPUT_CSC_SELECT_ICSC;
149 		is_2bit = 1;
150 		break;
151 	case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
152 		pixel_format = 118;
153 		alpha_en = 0;
154 		break;
155 	case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
156 		pixel_format = 119;
157 		alpha_en = 0;
158 		break;
159 	default:
160 		break;
161 	}
162 
163 	/* Set default color space based on format if none is given. */
164 	color_space = input_color_space ? input_color_space : color_space;
165 
166 	if (is_2bit == 1 && alpha_2bit_lut != NULL) {
167 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
168 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1, alpha_2bit_lut->lut1);
169 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT2, alpha_2bit_lut->lut2);
170 		REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT3, alpha_2bit_lut->lut3);
171 	}
172 
173 	REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
174 			CNVC_SURFACE_PIXEL_FORMAT, pixel_format);
175 	REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
176 
177 	dpp1_program_input_csc(dpp_base, color_space, select, NULL);
178 
179 	if (force_disable_cursor) {
180 		REG_UPDATE(CURSOR_CONTROL,
181 				CURSOR_ENABLE, 0);
182 		REG_UPDATE(CURSOR0_CONTROL,
183 				CUR0_ENABLE, 0);
184 	}
185 	dpp2_power_on_obuf(dpp_base, true);
186 }
187 
188 #define IDENTITY_RATIO(ratio) (dc_fixpt_u3d19(ratio) == (1 << 19))
189 
dpp201_get_optimal_number_of_taps(struct dpp * dpp,struct scaler_data * scl_data,const struct scaling_taps * in_taps)190 static bool dpp201_get_optimal_number_of_taps(
191 		struct dpp *dpp,
192 		struct scaler_data *scl_data,
193 		const struct scaling_taps *in_taps)
194 {
195 	/* Some ASICs does not support  FP16 scaling, so we reject modes require this*/
196 	if (scl_data->viewport.width  != scl_data->h_active &&
197 		scl_data->viewport.height != scl_data->v_active &&
198 		dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
199 		scl_data->format == PIXEL_FORMAT_FP16)
200 		return false;
201 
202 	if (scl_data->viewport.width > scl_data->h_active &&
203 		dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
204 		scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
205 		return false;
206 
207 	/* No support for programming ratio of 8, drop to 7.99999.. */
208 	if (scl_data->ratios.horz.value == (8ll << 32))
209 		scl_data->ratios.horz.value--;
210 	if (scl_data->ratios.vert.value == (8ll << 32))
211 		scl_data->ratios.vert.value--;
212 	if (scl_data->ratios.horz_c.value == (8ll << 32))
213 		scl_data->ratios.horz_c.value--;
214 	if (scl_data->ratios.vert_c.value == (8ll << 32))
215 		scl_data->ratios.vert_c.value--;
216 
217 	/* Set default taps if none are provided */
218 	if (in_taps->h_taps == 0) {
219 		if (dc_fixpt_ceil(scl_data->ratios.horz) > 4)
220 			scl_data->taps.h_taps = 8;
221 		else
222 			scl_data->taps.h_taps = 4;
223 	} else
224 		scl_data->taps.h_taps = in_taps->h_taps;
225 
226 	if (in_taps->v_taps == 0) {
227 		if (dc_fixpt_ceil(scl_data->ratios.vert) > 4)
228 			scl_data->taps.v_taps = 8;
229 		else
230 			scl_data->taps.v_taps = 4;
231 	} else
232 		scl_data->taps.v_taps = in_taps->v_taps;
233 	if (in_taps->v_taps_c == 0) {
234 		if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 4)
235 			scl_data->taps.v_taps_c = 4;
236 		else
237 			scl_data->taps.v_taps_c = 2;
238 	} else
239 		scl_data->taps.v_taps_c = in_taps->v_taps_c;
240 	if (in_taps->h_taps_c == 0) {
241 		if (dc_fixpt_ceil(scl_data->ratios.horz_c) > 4)
242 			scl_data->taps.h_taps_c = 4;
243 		else
244 			scl_data->taps.h_taps_c = 2;
245 	} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
246 		/* Only 1 and even h_taps_c are supported by hw */
247 		scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
248 	else
249 		scl_data->taps.h_taps_c = in_taps->h_taps_c;
250 
251 	if (!dpp->ctx->dc->debug.always_scale) {
252 		if (IDENTITY_RATIO(scl_data->ratios.horz))
253 			scl_data->taps.h_taps = 1;
254 		if (IDENTITY_RATIO(scl_data->ratios.vert))
255 			scl_data->taps.v_taps = 1;
256 		if (IDENTITY_RATIO(scl_data->ratios.horz_c))
257 			scl_data->taps.h_taps_c = 1;
258 		if (IDENTITY_RATIO(scl_data->ratios.vert_c))
259 			scl_data->taps.v_taps_c = 1;
260 	}
261 
262 	return true;
263 }
264 
265 static struct dpp_funcs dcn201_dpp_funcs = {
266 	.dpp_read_state = dpp20_read_state,
267 	.dpp_reset = dpp_reset,
268 	.dpp_set_scaler = dpp1_dscl_set_scaler_manual_scale,
269 	.dpp_get_optimal_number_of_taps = dpp201_get_optimal_number_of_taps,
270 	.dpp_set_gamut_remap = dpp1_cm_set_gamut_remap,
271 	.dpp_set_csc_adjustment = NULL,
272 	.dpp_set_csc_default = NULL,
273 	.dpp_program_regamma_pwl = oppn20_dummy_program_regamma_pwl,
274 	.dpp_set_degamma = dpp2_set_degamma,
275 	.dpp_program_input_lut = dpp2_dummy_program_input_lut,
276 	.dpp_full_bypass = dpp1_full_bypass,
277 	.dpp_setup = dpp201_cnv_setup,
278 	.dpp_program_degamma_pwl = dpp2_set_degamma_pwl,
279 	.dpp_program_blnd_lut = dpp20_program_blnd_lut,
280 	.dpp_program_shaper_lut = dpp20_program_shaper,
281 	.dpp_program_3dlut = dpp20_program_3dlut,
282 	.dpp_program_bias_and_scale = NULL,
283 	.dpp_cnv_set_alpha_keyer = dpp2_cnv_set_alpha_keyer,
284 	.set_cursor_attributes = dpp2_set_cursor_attributes,
285 	.set_cursor_position = dpp1_set_cursor_position,
286 	.set_optional_cursor_attributes = dpp1_cnv_set_optional_cursor_attributes,
287 	.dpp_dppclk_control = dpp1_dppclk_control,
288 	.dpp_set_hdr_multiplier = dpp2_set_hdr_multiplier,
289 	.dpp_get_gamut_remap = dpp2_cm_get_gamut_remap,
290 };
291 
292 static struct dpp_caps dcn201_dpp_cap = {
293 	.dscl_data_proc_format = DSCL_DATA_PRCESSING_FLOAT_FORMAT,
294 	.dscl_calc_lb_num_partitions = dscl2_calc_lb_num_partitions,
295 };
296 
dpp201_construct(struct dcn201_dpp * dpp,struct dc_context * ctx,uint32_t inst,const struct dcn201_dpp_registers * tf_regs,const struct dcn201_dpp_shift * tf_shift,const struct dcn201_dpp_mask * tf_mask)297 bool dpp201_construct(
298 	struct dcn201_dpp *dpp,
299 	struct dc_context *ctx,
300 	uint32_t inst,
301 	const struct dcn201_dpp_registers *tf_regs,
302 	const struct dcn201_dpp_shift *tf_shift,
303 	const struct dcn201_dpp_mask *tf_mask)
304 {
305 	dpp->base.ctx = ctx;
306 
307 	dpp->base.inst = inst;
308 	dpp->base.funcs = &dcn201_dpp_funcs;
309 	dpp->base.caps = &dcn201_dpp_cap;
310 
311 	dpp->tf_regs = tf_regs;
312 	dpp->tf_shift = tf_shift;
313 	dpp->tf_mask = tf_mask;
314 
315 	dpp->lb_pixel_depth_supported =
316 		LB_PIXEL_DEPTH_18BPP |
317 		LB_PIXEL_DEPTH_24BPP |
318 		LB_PIXEL_DEPTH_30BPP;
319 
320 	dpp->lb_bits_per_entry = LB_BITS_PER_ENTRY;
321 	dpp->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x1404*/
322 
323 	return true;
324 }
325