1 /* Copyright 2018 Advanced Micro Devices, Inc. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a 4 * copy of this software and associated documentation files (the "Software"), 5 * to deal in the Software without restriction, including without limitation 6 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 7 * and/or sell copies of the Software, and to permit persons to whom the 8 * Software is furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 19 * OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * Authors: AMD 22 * 23 */ 24 25 #include "power_helpers.h" 26 #include "dc/inc/hw/dmcu.h" 27 #include "dc/inc/hw/abm.h" 28 #include "dc.h" 29 #include "core_types.h" 30 #include "dmub_cmd.h" 31 32 #define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b)) 33 #define bswap16_based_on_endian(big_endian, value) \ 34 (big_endian) ? cpu_to_be16(value) : cpu_to_le16(value) 35 36 /* Possible Min Reduction config from least aggressive to most aggressive 37 * 0 1 2 3 4 5 6 7 8 9 10 11 12 38 * 100 98.0 94.1 94.1 85.1 80.3 75.3 69.4 60.0 57.6 50.2 49.8 40.0 % 39 */ 40 static const unsigned char min_reduction_table[13] = { 41 0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66}; 42 43 /* Possible Max Reduction configs from least aggressive to most aggressive 44 * 0 1 2 3 4 5 6 7 8 9 10 11 12 45 * 96.1 89.8 85.1 80.3 69.4 64.7 64.7 50.2 39.6 30.2 30.2 30.2 19.6 % 46 */ 47 static const unsigned char max_reduction_table[13] = { 48 0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32}; 49 50 /* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive 51 * 0 1 2 3 4 5 6 7 8 9 10 11 12 52 * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 % 53 */ 54 static const unsigned char min_reduction_table_v_2_2[13] = { 55 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0}; 56 57 /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive 58 * 0 1 2 3 4 5 6 7 8 9 10 11 12 59 * 96.1 89.8 74.9 69.4 64.7 52.2 48.6 39.6 30.2 25.1 19.6 12.5 12.5 % 60 */ 61 static const unsigned char max_reduction_table_v_2_2[13] = { 62 0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20}; 63 64 /* Predefined ABM configuration sets. We may have different configuration sets 65 * in order to satisfy different power/quality requirements. 66 */ 67 static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = { 68 /* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */ 69 { 2, 5, 7, 8 }, /* Default - Medium aggressiveness */ 70 { 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */ 71 { 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */ 72 { 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */ 73 }; 74 75 struct abm_parameters { 76 unsigned char min_reduction; 77 unsigned char max_reduction; 78 unsigned char bright_pos_gain; 79 unsigned char dark_pos_gain; 80 unsigned char brightness_gain; 81 unsigned char contrast_factor; 82 unsigned char deviation_gain; 83 unsigned char min_knee; 84 unsigned char max_knee; 85 unsigned short blRampReduction; 86 unsigned short blRampStart; 87 }; 88 89 static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = { 90 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 91 {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0, 0xf777, 0xcccc}, 92 {0xde, 0x85, 0x20, 0x00, 0xe0, 0x90, 0xa8, 0x40, 0xc8, 0xf777, 0xcccc}, 93 {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0, 0xeeee, 0x9999}, 94 {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xe333, 0xb333}, 95 }; 96 97 static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = { 98 // min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart 99 {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 100 {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 101 {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 102 {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc}, 103 }; 104 105 static const struct abm_parameters * const abm_settings[] = { 106 abm_settings_config0, 107 abm_settings_config1, 108 }; 109 110 #define NUM_AMBI_LEVEL 5 111 #define NUM_AGGR_LEVEL 4 112 #define NUM_POWER_FN_SEGS 8 113 #define NUM_BL_CURVE_SEGS 16 114 #define IRAM_SIZE 256 115 116 #define IRAM_RESERVE_AREA_START_V2 0xF0 // reserve 0xF0~0xF6 are write by DMCU only 117 #define IRAM_RESERVE_AREA_END_V2 0xF6 // reserve 0xF0~0xF6 are write by DMCU only 118 119 #define IRAM_RESERVE_AREA_START_V2_2 0xF0 // reserve 0xF0~0xFF are write by DMCU only 120 #define IRAM_RESERVE_AREA_END_V2_2 0xFF // reserve 0xF0~0xFF are write by DMCU only 121 122 #pragma pack(push, 1) 123 /* NOTE: iRAM is 256B in size */ 124 struct iram_table_v_2 { 125 /* flags */ 126 uint16_t min_abm_backlight; /* 0x00 U16 */ 127 128 /* parameters for ABM2.0 algorithm */ 129 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 130 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 131 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 132 uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 133 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */ 134 uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */ 135 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */ 136 uint8_t deviation_gain; /* 0x7f U0.8 */ 137 138 /* parameters for crgb conversion */ 139 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 140 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 141 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 142 143 /* parameters for custom curve */ 144 /* thresholds for brightness --> backlight */ 145 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 146 /* offsets for brightness --> backlight */ 147 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 148 149 /* For reading PSR State directly from IRAM */ 150 uint8_t psr_state; /* 0xf0 */ 151 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 152 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 153 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 154 uint16_t dmcu_version; /* 0xf4 */ 155 uint8_t dmcu_state; /* 0xf6 */ 156 157 uint16_t blRampReduction; /* 0xf7 */ 158 uint16_t blRampStart; /* 0xf9 */ 159 uint8_t dummy5; /* 0xfb */ 160 uint8_t dummy6; /* 0xfc */ 161 uint8_t dummy7; /* 0xfd */ 162 uint8_t dummy8; /* 0xfe */ 163 uint8_t dummy9; /* 0xff */ 164 }; 165 166 struct iram_table_v_2_2 { 167 /* flags */ 168 uint16_t flags; /* 0x00 U16 */ 169 170 /* parameters for ABM2.2 algorithm */ 171 uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ 172 uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ 173 uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ 174 uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ 175 uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ 176 uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ 177 uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ 178 uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ 179 uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ 180 uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ 181 uint16_t min_abm_backlight; /* 0x6b U16 */ 182 uint8_t pad[19]; /* 0x6d U0.8 */ 183 184 /* parameters for crgb conversion */ 185 uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ 186 uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ 187 uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ 188 189 /* parameters for custom curve */ 190 /* thresholds for brightness --> backlight */ 191 uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ 192 /* offsets for brightness --> backlight */ 193 uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ 194 195 /* For reading PSR State directly from IRAM */ 196 uint8_t psr_state; /* 0xf0 */ 197 uint8_t dmcu_mcp_interface_version; /* 0xf1 */ 198 uint8_t dmcu_abm_feature_version; /* 0xf2 */ 199 uint8_t dmcu_psr_feature_version; /* 0xf3 */ 200 uint16_t dmcu_version; /* 0xf4 */ 201 uint8_t dmcu_state; /* 0xf6 */ 202 203 uint8_t dummy1; /* 0xf7 */ 204 uint8_t dummy2; /* 0xf8 */ 205 uint8_t dummy3; /* 0xf9 */ 206 uint8_t dummy4; /* 0xfa */ 207 uint8_t dummy5; /* 0xfb */ 208 uint8_t dummy6; /* 0xfc */ 209 uint8_t dummy7; /* 0xfd */ 210 uint8_t dummy8; /* 0xfe */ 211 uint8_t dummy9; /* 0xff */ 212 }; 213 #pragma pack(pop) 214 215 static void fill_backlight_transform_table(struct dmcu_iram_parameters params, 216 struct iram_table_v_2 *table) 217 { 218 unsigned int i; 219 unsigned int num_entries = NUM_BL_CURVE_SEGS; 220 unsigned int lut_index; 221 222 table->backlight_thresholds[0] = 0; 223 table->backlight_offsets[0] = params.backlight_lut_array[0]; 224 table->backlight_thresholds[num_entries-1] = 0xFFFF; 225 table->backlight_offsets[num_entries-1] = 226 params.backlight_lut_array[params.backlight_lut_array_size - 1]; 227 228 /* Setup all brightness levels between 0% and 100% exclusive 229 * Fills brightness-to-backlight transform table. Backlight custom curve 230 * describes transform from brightness to backlight. It will be defined 231 * as set of thresholds and set of offsets, together, implying 232 * extrapolation of custom curve into 16 uniformly spanned linear 233 * segments. Each threshold/offset represented by 16 bit entry in 234 * format U4.10. 235 */ 236 for (i = 1; i+1 < num_entries; i++) { 237 lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1); 238 ASSERT(lut_index < params.backlight_lut_array_size); 239 240 table->backlight_thresholds[i] = 241 cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)); 242 table->backlight_offsets[i] = 243 cpu_to_be16(params.backlight_lut_array[lut_index]); 244 } 245 } 246 247 static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params, 248 struct iram_table_v_2_2 *table, bool big_endian) 249 { 250 unsigned int i; 251 unsigned int num_entries = NUM_BL_CURVE_SEGS; 252 unsigned int lut_index; 253 254 table->backlight_thresholds[0] = 0; 255 table->backlight_offsets[0] = params.backlight_lut_array[0]; 256 table->backlight_thresholds[num_entries-1] = 0xFFFF; 257 table->backlight_offsets[num_entries-1] = 258 params.backlight_lut_array[params.backlight_lut_array_size - 1]; 259 260 /* Setup all brightness levels between 0% and 100% exclusive 261 * Fills brightness-to-backlight transform table. Backlight custom curve 262 * describes transform from brightness to backlight. It will be defined 263 * as set of thresholds and set of offsets, together, implying 264 * extrapolation of custom curve into 16 uniformly spanned linear 265 * segments. Each threshold/offset represented by 16 bit entry in 266 * format U4.10. 267 */ 268 for (i = 1; i+1 < num_entries; i++) { 269 lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries); 270 ASSERT(lut_index < params.backlight_lut_array_size); 271 272 table->backlight_thresholds[i] = (big_endian) ? 273 cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) : 274 cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries)); 275 table->backlight_offsets[i] = (big_endian) ? 276 cpu_to_be16(params.backlight_lut_array[lut_index]) : 277 cpu_to_le16(params.backlight_lut_array[lut_index]); 278 } 279 } 280 281 static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params) 282 { 283 unsigned int set = params.set; 284 285 ram_table->min_abm_backlight = 286 cpu_to_be16(params.min_abm_backlight); 287 ram_table->deviation_gain = 0xb3; 288 289 ram_table->blRampReduction = 290 cpu_to_be16(params.backlight_ramping_reduction); 291 ram_table->blRampStart = 292 cpu_to_be16(params.backlight_ramping_start); 293 294 ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]]; 295 ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]]; 296 ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]]; 297 ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]]; 298 ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]]; 299 ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]]; 300 ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]]; 301 ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]]; 302 ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]]; 303 ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]]; 304 305 ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]]; 306 ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]]; 307 ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]]; 308 ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]]; 309 ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]]; 310 ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]]; 311 ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]]; 312 ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]]; 313 ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]]; 314 ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]]; 315 316 ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]]; 317 ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]]; 318 ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]]; 319 ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]]; 320 ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]]; 321 ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]]; 322 ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]]; 323 ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]]; 324 ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]]; 325 ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]]; 326 327 ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]]; 328 ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]]; 329 ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]]; 330 ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]]; 331 ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]]; 332 ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]]; 333 ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]]; 334 ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]]; 335 ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]]; 336 ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]]; 337 338 ram_table->bright_pos_gain[0][0] = 0x20; 339 ram_table->bright_pos_gain[0][1] = 0x20; 340 ram_table->bright_pos_gain[0][2] = 0x20; 341 ram_table->bright_pos_gain[0][3] = 0x20; 342 ram_table->bright_pos_gain[1][0] = 0x20; 343 ram_table->bright_pos_gain[1][1] = 0x20; 344 ram_table->bright_pos_gain[1][2] = 0x20; 345 ram_table->bright_pos_gain[1][3] = 0x20; 346 ram_table->bright_pos_gain[2][0] = 0x20; 347 ram_table->bright_pos_gain[2][1] = 0x20; 348 ram_table->bright_pos_gain[2][2] = 0x20; 349 ram_table->bright_pos_gain[2][3] = 0x20; 350 ram_table->bright_pos_gain[3][0] = 0x20; 351 ram_table->bright_pos_gain[3][1] = 0x20; 352 ram_table->bright_pos_gain[3][2] = 0x20; 353 ram_table->bright_pos_gain[3][3] = 0x20; 354 ram_table->bright_pos_gain[4][0] = 0x20; 355 ram_table->bright_pos_gain[4][1] = 0x20; 356 ram_table->bright_pos_gain[4][2] = 0x20; 357 ram_table->bright_pos_gain[4][3] = 0x20; 358 ram_table->bright_neg_gain[0][0] = 0x00; 359 ram_table->bright_neg_gain[0][1] = 0x00; 360 ram_table->bright_neg_gain[0][2] = 0x00; 361 ram_table->bright_neg_gain[0][3] = 0x00; 362 ram_table->bright_neg_gain[1][0] = 0x00; 363 ram_table->bright_neg_gain[1][1] = 0x00; 364 ram_table->bright_neg_gain[1][2] = 0x00; 365 ram_table->bright_neg_gain[1][3] = 0x00; 366 ram_table->bright_neg_gain[2][0] = 0x00; 367 ram_table->bright_neg_gain[2][1] = 0x00; 368 ram_table->bright_neg_gain[2][2] = 0x00; 369 ram_table->bright_neg_gain[2][3] = 0x00; 370 ram_table->bright_neg_gain[3][0] = 0x00; 371 ram_table->bright_neg_gain[3][1] = 0x00; 372 ram_table->bright_neg_gain[3][2] = 0x00; 373 ram_table->bright_neg_gain[3][3] = 0x00; 374 ram_table->bright_neg_gain[4][0] = 0x00; 375 ram_table->bright_neg_gain[4][1] = 0x00; 376 ram_table->bright_neg_gain[4][2] = 0x00; 377 ram_table->bright_neg_gain[4][3] = 0x00; 378 ram_table->dark_pos_gain[0][0] = 0x00; 379 ram_table->dark_pos_gain[0][1] = 0x00; 380 ram_table->dark_pos_gain[0][2] = 0x00; 381 ram_table->dark_pos_gain[0][3] = 0x00; 382 ram_table->dark_pos_gain[1][0] = 0x00; 383 ram_table->dark_pos_gain[1][1] = 0x00; 384 ram_table->dark_pos_gain[1][2] = 0x00; 385 ram_table->dark_pos_gain[1][3] = 0x00; 386 ram_table->dark_pos_gain[2][0] = 0x00; 387 ram_table->dark_pos_gain[2][1] = 0x00; 388 ram_table->dark_pos_gain[2][2] = 0x00; 389 ram_table->dark_pos_gain[2][3] = 0x00; 390 ram_table->dark_pos_gain[3][0] = 0x00; 391 ram_table->dark_pos_gain[3][1] = 0x00; 392 ram_table->dark_pos_gain[3][2] = 0x00; 393 ram_table->dark_pos_gain[3][3] = 0x00; 394 ram_table->dark_pos_gain[4][0] = 0x00; 395 ram_table->dark_pos_gain[4][1] = 0x00; 396 ram_table->dark_pos_gain[4][2] = 0x00; 397 ram_table->dark_pos_gain[4][3] = 0x00; 398 ram_table->dark_neg_gain[0][0] = 0x00; 399 ram_table->dark_neg_gain[0][1] = 0x00; 400 ram_table->dark_neg_gain[0][2] = 0x00; 401 ram_table->dark_neg_gain[0][3] = 0x00; 402 ram_table->dark_neg_gain[1][0] = 0x00; 403 ram_table->dark_neg_gain[1][1] = 0x00; 404 ram_table->dark_neg_gain[1][2] = 0x00; 405 ram_table->dark_neg_gain[1][3] = 0x00; 406 ram_table->dark_neg_gain[2][0] = 0x00; 407 ram_table->dark_neg_gain[2][1] = 0x00; 408 ram_table->dark_neg_gain[2][2] = 0x00; 409 ram_table->dark_neg_gain[2][3] = 0x00; 410 ram_table->dark_neg_gain[3][0] = 0x00; 411 ram_table->dark_neg_gain[3][1] = 0x00; 412 ram_table->dark_neg_gain[3][2] = 0x00; 413 ram_table->dark_neg_gain[3][3] = 0x00; 414 ram_table->dark_neg_gain[4][0] = 0x00; 415 ram_table->dark_neg_gain[4][1] = 0x00; 416 ram_table->dark_neg_gain[4][2] = 0x00; 417 ram_table->dark_neg_gain[4][3] = 0x00; 418 419 ram_table->iir_curve[0] = 0x65; 420 ram_table->iir_curve[1] = 0x65; 421 ram_table->iir_curve[2] = 0x65; 422 ram_table->iir_curve[3] = 0x65; 423 ram_table->iir_curve[4] = 0x65; 424 425 //Gamma 2.4 426 ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6); 427 ram_table->crgb_thresh[1] = cpu_to_be16(0x1648); 428 ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3); 429 ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41); 430 ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46); 431 ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21); 432 ram_table->crgb_thresh[6] = cpu_to_be16(0x2167); 433 ram_table->crgb_thresh[7] = cpu_to_be16(0x2384); 434 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 435 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 436 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 437 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 438 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 439 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 440 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 441 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 442 ram_table->crgb_slope[0] = cpu_to_be16(0x3147); 443 ram_table->crgb_slope[1] = cpu_to_be16(0x2978); 444 ram_table->crgb_slope[2] = cpu_to_be16(0x23a2); 445 ram_table->crgb_slope[3] = cpu_to_be16(0x1f55); 446 ram_table->crgb_slope[4] = cpu_to_be16(0x1c63); 447 ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f); 448 ram_table->crgb_slope[6] = cpu_to_be16(0x178d); 449 ram_table->crgb_slope[7] = cpu_to_be16(0x15ab); 450 451 fill_backlight_transform_table( 452 params, ram_table); 453 } 454 455 static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params) 456 { 457 unsigned int set = params.set; 458 459 ram_table->flags = 0x0; 460 461 ram_table->min_abm_backlight = 462 cpu_to_be16(params.min_abm_backlight); 463 464 ram_table->deviation_gain[0] = 0xb3; 465 ram_table->deviation_gain[1] = 0xa8; 466 ram_table->deviation_gain[2] = 0x98; 467 ram_table->deviation_gain[3] = 0x68; 468 469 ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 470 ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 471 ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 472 ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 473 ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]]; 474 ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 475 ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 476 ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 477 ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 478 ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]]; 479 480 ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 481 ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 482 ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 483 ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 484 ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]]; 485 ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 486 ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 487 ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 488 ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 489 ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]]; 490 491 ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 492 ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 493 ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 494 ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 495 ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]]; 496 ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 497 ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 498 ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 499 ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 500 ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]]; 501 502 ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 503 ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 504 ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 505 ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 506 ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]]; 507 ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 508 ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 509 ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 510 ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 511 ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]]; 512 513 ram_table->bright_pos_gain[0][0] = 0x20; 514 ram_table->bright_pos_gain[0][1] = 0x20; 515 ram_table->bright_pos_gain[0][2] = 0x20; 516 ram_table->bright_pos_gain[0][3] = 0x20; 517 ram_table->bright_pos_gain[1][0] = 0x20; 518 ram_table->bright_pos_gain[1][1] = 0x20; 519 ram_table->bright_pos_gain[1][2] = 0x20; 520 ram_table->bright_pos_gain[1][3] = 0x20; 521 ram_table->bright_pos_gain[2][0] = 0x20; 522 ram_table->bright_pos_gain[2][1] = 0x20; 523 ram_table->bright_pos_gain[2][2] = 0x20; 524 ram_table->bright_pos_gain[2][3] = 0x20; 525 ram_table->bright_pos_gain[3][0] = 0x20; 526 ram_table->bright_pos_gain[3][1] = 0x20; 527 ram_table->bright_pos_gain[3][2] = 0x20; 528 ram_table->bright_pos_gain[3][3] = 0x20; 529 ram_table->bright_pos_gain[4][0] = 0x20; 530 ram_table->bright_pos_gain[4][1] = 0x20; 531 ram_table->bright_pos_gain[4][2] = 0x20; 532 ram_table->bright_pos_gain[4][3] = 0x20; 533 534 ram_table->dark_pos_gain[0][0] = 0x00; 535 ram_table->dark_pos_gain[0][1] = 0x00; 536 ram_table->dark_pos_gain[0][2] = 0x00; 537 ram_table->dark_pos_gain[0][3] = 0x00; 538 ram_table->dark_pos_gain[1][0] = 0x00; 539 ram_table->dark_pos_gain[1][1] = 0x00; 540 ram_table->dark_pos_gain[1][2] = 0x00; 541 ram_table->dark_pos_gain[1][3] = 0x00; 542 ram_table->dark_pos_gain[2][0] = 0x00; 543 ram_table->dark_pos_gain[2][1] = 0x00; 544 ram_table->dark_pos_gain[2][2] = 0x00; 545 ram_table->dark_pos_gain[2][3] = 0x00; 546 ram_table->dark_pos_gain[3][0] = 0x00; 547 ram_table->dark_pos_gain[3][1] = 0x00; 548 ram_table->dark_pos_gain[3][2] = 0x00; 549 ram_table->dark_pos_gain[3][3] = 0x00; 550 ram_table->dark_pos_gain[4][0] = 0x00; 551 ram_table->dark_pos_gain[4][1] = 0x00; 552 ram_table->dark_pos_gain[4][2] = 0x00; 553 ram_table->dark_pos_gain[4][3] = 0x00; 554 555 ram_table->hybrid_factor[0] = 0xff; 556 ram_table->hybrid_factor[1] = 0xff; 557 ram_table->hybrid_factor[2] = 0xff; 558 ram_table->hybrid_factor[3] = 0xc0; 559 560 ram_table->contrast_factor[0] = 0x99; 561 ram_table->contrast_factor[1] = 0x99; 562 ram_table->contrast_factor[2] = 0x90; 563 ram_table->contrast_factor[3] = 0x80; 564 565 ram_table->iir_curve[0] = 0x65; 566 ram_table->iir_curve[1] = 0x65; 567 ram_table->iir_curve[2] = 0x65; 568 ram_table->iir_curve[3] = 0x65; 569 ram_table->iir_curve[4] = 0x65; 570 571 //Gamma 2.2 572 ram_table->crgb_thresh[0] = cpu_to_be16(0x127c); 573 ram_table->crgb_thresh[1] = cpu_to_be16(0x151b); 574 ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5); 575 ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56); 576 ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83); 577 ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72); 578 ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0); 579 ram_table->crgb_thresh[7] = cpu_to_be16(0x232b); 580 ram_table->crgb_offset[0] = cpu_to_be16(0x2999); 581 ram_table->crgb_offset[1] = cpu_to_be16(0x3999); 582 ram_table->crgb_offset[2] = cpu_to_be16(0x4666); 583 ram_table->crgb_offset[3] = cpu_to_be16(0x5999); 584 ram_table->crgb_offset[4] = cpu_to_be16(0x6333); 585 ram_table->crgb_offset[5] = cpu_to_be16(0x7800); 586 ram_table->crgb_offset[6] = cpu_to_be16(0x8c00); 587 ram_table->crgb_offset[7] = cpu_to_be16(0xa000); 588 ram_table->crgb_slope[0] = cpu_to_be16(0x3609); 589 ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa); 590 ram_table->crgb_slope[2] = cpu_to_be16(0x27ea); 591 ram_table->crgb_slope[3] = cpu_to_be16(0x235d); 592 ram_table->crgb_slope[4] = cpu_to_be16(0x2042); 593 ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3); 594 ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a); 595 ram_table->crgb_slope[7] = cpu_to_be16(0x1910); 596 597 fill_backlight_transform_table_v_2_2( 598 params, ram_table, true); 599 } 600 601 static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian) 602 { 603 unsigned int i, j; 604 unsigned int set = params.set; 605 606 ram_table->flags = 0x0; 607 ram_table->min_abm_backlight = (big_endian) ? 608 cpu_to_be16(params.min_abm_backlight) : 609 cpu_to_le16(params.min_abm_backlight); 610 611 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 612 ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain; 613 ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; 614 ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain; 615 ram_table->min_knee[i] = abm_settings[set][i].min_knee; 616 ram_table->max_knee[i] = abm_settings[set][i].max_knee; 617 618 for (j = 0; j < NUM_AMBI_LEVEL; j++) { 619 ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction; 620 ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction; 621 ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain; 622 ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain; 623 } 624 } 625 626 ram_table->iir_curve[0] = 0x65; 627 ram_table->iir_curve[1] = 0x65; 628 ram_table->iir_curve[2] = 0x65; 629 ram_table->iir_curve[3] = 0x65; 630 ram_table->iir_curve[4] = 0x65; 631 632 //Gamma 2.2 633 ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c); 634 ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b); 635 ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5); 636 ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56); 637 ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83); 638 ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72); 639 ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0); 640 ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b); 641 ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999); 642 ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999); 643 ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666); 644 ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999); 645 ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333); 646 ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800); 647 ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00); 648 ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000); 649 ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609); 650 ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa); 651 ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea); 652 ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d); 653 ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042); 654 ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3); 655 ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a); 656 ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910); 657 658 fill_backlight_transform_table_v_2_2( 659 params, ram_table, big_endian); 660 } 661 662 bool dmub_init_abm_config(struct resource_pool *res_pool, 663 struct dmcu_iram_parameters params, 664 unsigned int inst) 665 { 666 struct iram_table_v_2_2 ram_table; 667 struct abm_config_table config; 668 unsigned int set = params.set; 669 bool result = false; 670 uint32_t i, j = 0; 671 672 #if defined(CONFIG_DRM_AMD_DC_DCN) 673 if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL) 674 return false; 675 #else 676 if (res_pool->abm == NULL) 677 return false; 678 #endif 679 680 memset(&ram_table, 0, sizeof(ram_table)); 681 memset(&config, 0, sizeof(config)); 682 683 fill_iram_v_2_3(&ram_table, params, false); 684 685 // We must copy to structure that is aligned to 32-bit 686 for (i = 0; i < NUM_POWER_FN_SEGS; i++) { 687 config.crgb_thresh[i] = ram_table.crgb_thresh[i]; 688 config.crgb_offset[i] = ram_table.crgb_offset[i]; 689 config.crgb_slope[i] = ram_table.crgb_slope[i]; 690 } 691 692 for (i = 0; i < NUM_BL_CURVE_SEGS; i++) { 693 config.backlight_thresholds[i] = ram_table.backlight_thresholds[i]; 694 config.backlight_offsets[i] = ram_table.backlight_offsets[i]; 695 } 696 697 for (i = 0; i < NUM_AMBI_LEVEL; i++) 698 config.iir_curve[i] = ram_table.iir_curve[i]; 699 700 for (i = 0; i < NUM_AMBI_LEVEL; i++) { 701 for (j = 0; j < NUM_AGGR_LEVEL; j++) { 702 config.min_reduction[i][j] = ram_table.min_reduction[i][j]; 703 config.max_reduction[i][j] = ram_table.max_reduction[i][j]; 704 config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j]; 705 config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j]; 706 } 707 } 708 709 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 710 config.hybrid_factor[i] = ram_table.hybrid_factor[i]; 711 config.contrast_factor[i] = ram_table.contrast_factor[i]; 712 config.deviation_gain[i] = ram_table.deviation_gain[i]; 713 config.min_knee[i] = ram_table.min_knee[i]; 714 config.max_knee[i] = ram_table.max_knee[i]; 715 } 716 717 if (params.backlight_ramping_override) { 718 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 719 config.blRampReduction[i] = params.backlight_ramping_reduction; 720 config.blRampStart[i] = params.backlight_ramping_start; 721 } 722 } else { 723 for (i = 0; i < NUM_AGGR_LEVEL; i++) { 724 config.blRampReduction[i] = abm_settings[set][i].blRampReduction; 725 config.blRampStart[i] = abm_settings[set][i].blRampStart; 726 } 727 } 728 729 config.min_abm_backlight = ram_table.min_abm_backlight; 730 731 #if defined(CONFIG_DRM_AMD_DC_DCN) 732 if (res_pool->multiple_abms[inst]) { 733 result = res_pool->multiple_abms[inst]->funcs->init_abm_config( 734 res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst); 735 } else 736 #endif 737 result = res_pool->abm->funcs->init_abm_config( 738 res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0); 739 740 return result; 741 } 742 743 bool dmcu_load_iram(struct dmcu *dmcu, 744 struct dmcu_iram_parameters params) 745 { 746 unsigned char ram_table[IRAM_SIZE]; 747 bool result = false; 748 749 if (dmcu == NULL) 750 return false; 751 752 if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu)) 753 return true; 754 755 memset(&ram_table, 0, sizeof(ram_table)); 756 757 if (dmcu->dmcu_version.abm_version == 0x24) { 758 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 759 result = dmcu->funcs->load_iram( 760 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 761 } else if (dmcu->dmcu_version.abm_version == 0x23) { 762 fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true); 763 764 result = dmcu->funcs->load_iram( 765 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 766 } else if (dmcu->dmcu_version.abm_version == 0x22) { 767 fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params); 768 769 result = dmcu->funcs->load_iram( 770 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2); 771 } else { 772 fill_iram_v_2((struct iram_table_v_2 *)ram_table, params); 773 774 result = dmcu->funcs->load_iram( 775 dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2); 776 777 if (result) 778 result = dmcu->funcs->load_iram( 779 dmcu, IRAM_RESERVE_AREA_END_V2 + 1, 780 (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1, 781 sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1); 782 } 783 784 return result; 785 } 786 787 /* 788 * is_psr_su_specific_panel() - check if sink is AMD vendor-specific PSR-SU 789 * supported eDP device. 790 * 791 * @link: dc link pointer 792 * 793 * Return: true if AMDGPU vendor specific PSR-SU eDP panel 794 */ 795 bool is_psr_su_specific_panel(struct dc_link *link) 796 { 797 if (link->dpcd_caps.edp_rev >= DP_EDP_14) { 798 if (link->dpcd_caps.psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) 799 return true; 800 /* 801 * Some panels will report PSR capabilities over additional DPCD bits. 802 * Such panels are approved despite reporting only PSR v3, as long as 803 * the additional bits are reported. 804 */ 805 if (link->dpcd_caps.psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) 806 return false; 807 808 if (link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) { 809 /* 810 * FIXME: 811 * This is the temporary workaround to disable PSRSU when system turned on 812 * DSC function on the sepcific sink. Once the PSRSU + DSC is fixed, this 813 * condition should be removed. 814 */ 815 if (link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT) 816 return false; 817 818 if (link->dpcd_caps.psr_info.force_psrsu_cap == 0x1) 819 return true; 820 } 821 } 822 823 return false; 824 } 825 826 /** 827 * mod_power_calc_psr_configs() - calculate/update generic psr configuration fields. 828 * @psr_config: [output], psr configuration structure to be updated 829 * @link: [input] dc link pointer 830 * @stream: [input] dc stream state pointer 831 * 832 * calculate and update the psr configuration fields that are not DM specific, i.e. such 833 * fields which are based on DPCD caps or timing information. To setup PSR in DMUB FW, 834 * this helper is assumed to be called before the call of the DC helper dc_link_setup_psr(). 835 * 836 * PSR config fields to be updated within the helper: 837 * - psr_rfb_setup_time 838 * - psr_sdp_transmit_line_num_deadline 839 * - line_time_in_us 840 * - su_y_granularity 841 * - su_granularity_required 842 * - psr_frame_capture_indication_req 843 * - psr_exit_link_training_required 844 * 845 * PSR config fields that are DM specific and NOT updated within the helper: 846 * - allow_smu_optimizations 847 * - allow_multi_disp_optimizations 848 */ 849 void mod_power_calc_psr_configs(struct psr_config *psr_config, 850 struct dc_link *link, 851 const struct dc_stream_state *stream) 852 { 853 unsigned int num_vblank_lines = 0; 854 unsigned int vblank_time_in_us = 0; 855 unsigned int sdp_tx_deadline_in_us = 0; 856 unsigned int line_time_in_us = 0; 857 struct dpcd_caps *dpcd_caps = &link->dpcd_caps; 858 const int psr_setup_time_step_in_us = 55; /* refer to eDP spec DPCD 0x071h */ 859 860 /* timing parameters */ 861 num_vblank_lines = stream->timing.v_total - 862 stream->timing.v_addressable - 863 stream->timing.v_border_top - 864 stream->timing.v_border_bottom; 865 866 vblank_time_in_us = (stream->timing.h_total * num_vblank_lines * 1000) / (stream->timing.pix_clk_100hz / 10); 867 868 line_time_in_us = ((stream->timing.h_total * 1000) / (stream->timing.pix_clk_100hz / 10)) + 1; 869 870 /** 871 * psr configuration fields 872 * 873 * as per eDP 1.5 pg. 377 of 459, DPCD 0x071h bits [3:1], psr setup time bits interpreted as below 874 * 000b <--> 330 us (default) 875 * 001b <--> 275 us 876 * 010b <--> 220 us 877 * 011b <--> 165 us 878 * 100b <--> 110 us 879 * 101b <--> 055 us 880 * 110b <--> 000 us 881 */ 882 psr_config->psr_rfb_setup_time = 883 (6 - dpcd_caps->psr_info.psr_dpcd_caps.bits.PSR_SETUP_TIME) * psr_setup_time_step_in_us; 884 885 if (psr_config->psr_rfb_setup_time > vblank_time_in_us) { 886 link->psr_settings.psr_frame_capture_indication_req = true; 887 link->psr_settings.psr_sdp_transmit_line_num_deadline = num_vblank_lines; 888 } else { 889 sdp_tx_deadline_in_us = vblank_time_in_us - psr_config->psr_rfb_setup_time; 890 891 /* Set the last possible line SDP may be transmitted without violating the RFB setup time */ 892 link->psr_settings.psr_frame_capture_indication_req = false; 893 link->psr_settings.psr_sdp_transmit_line_num_deadline = sdp_tx_deadline_in_us / line_time_in_us; 894 } 895 896 psr_config->psr_sdp_transmit_line_num_deadline = link->psr_settings.psr_sdp_transmit_line_num_deadline; 897 psr_config->line_time_in_us = line_time_in_us; 898 psr_config->su_y_granularity = dpcd_caps->psr_info.psr2_su_y_granularity_cap; 899 psr_config->su_granularity_required = dpcd_caps->psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED; 900 psr_config->psr_frame_capture_indication_req = link->psr_settings.psr_frame_capture_indication_req; 901 psr_config->psr_exit_link_training_required = 902 !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.LINK_TRAINING_ON_EXIT_NOT_REQUIRED; 903 } 904 905 bool mod_power_only_edp(const struct dc_state *context, const struct dc_stream_state *stream) 906 { 907 return context && context->stream_count == 1 && dc_is_embedded_signal(stream->signal); 908 } 909