Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/* 2 * Copyright 2013 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 */ 23 24#include "amdgpu.h" 25#include "amdgpu_pm.h" 26#include "cikd.h" 27#include "atom.h" 28#include "amdgpu_atombios.h" 29#include "amdgpu_dpm.h" 30#include "kv_dpm.h" 31#include "gfx_v7_0.h" 32#include <linux/seq_file.h> 33 34#include "smu/smu_7_0_0_d.h" 35#include "smu/smu_7_0_0_sh_mask.h" 36 37#include "gca/gfx_7_2_d.h" 38#include "gca/gfx_7_2_sh_mask.h" 39 40#define KV_MAX_DEEPSLEEP_DIVIDER_ID 5 41#define KV_MINIMUM_ENGINE_CLOCK 800 42#define SMC_RAM_END 0x40000 43 44static const struct amd_pm_funcs kv_dpm_funcs; 45 46static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev); 47static int kv_enable_nb_dpm(struct amdgpu_device *adev, 48 bool enable); 49static void kv_init_graphics_levels(struct amdgpu_device *adev); 50static int kv_calculate_ds_divider(struct amdgpu_device *adev); 51static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev); 52static int kv_calculate_dpm_settings(struct amdgpu_device *adev); 53static void kv_enable_new_levels(struct amdgpu_device *adev); 54static void kv_program_nbps_index_settings(struct amdgpu_device *adev, 55 struct amdgpu_ps *new_rps); 56static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level); 57static int kv_set_enabled_levels(struct amdgpu_device *adev); 58static int kv_force_dpm_highest(struct amdgpu_device *adev); 59static int kv_force_dpm_lowest(struct amdgpu_device *adev); 60static void kv_apply_state_adjust_rules(struct amdgpu_device *adev, 61 struct amdgpu_ps *new_rps, 62 struct amdgpu_ps *old_rps); 63static int kv_set_thermal_temperature_range(struct amdgpu_device *adev, 64 int min_temp, int max_temp); 65static int kv_init_fps_limits(struct amdgpu_device *adev); 66 67static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate); 68static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate); 69 70 71static u32 kv_convert_vid2_to_vid7(struct amdgpu_device *adev, 72 struct sumo_vid_mapping_table *vid_mapping_table, 73 u32 vid_2bit) 74{ 75 struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table = 76 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 77 u32 i; 78 79 if (vddc_sclk_table && vddc_sclk_table->count) { 80 if (vid_2bit < vddc_sclk_table->count) 81 return vddc_sclk_table->entries[vid_2bit].v; 82 else 83 return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v; 84 } else { 85 for (i = 0; i < vid_mapping_table->num_entries; i++) { 86 if (vid_mapping_table->entries[i].vid_2bit == vid_2bit) 87 return vid_mapping_table->entries[i].vid_7bit; 88 } 89 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit; 90 } 91} 92 93static u32 kv_convert_vid7_to_vid2(struct amdgpu_device *adev, 94 struct sumo_vid_mapping_table *vid_mapping_table, 95 u32 vid_7bit) 96{ 97 struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table = 98 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 99 u32 i; 100 101 if (vddc_sclk_table && vddc_sclk_table->count) { 102 for (i = 0; i < vddc_sclk_table->count; i++) { 103 if (vddc_sclk_table->entries[i].v == vid_7bit) 104 return i; 105 } 106 return vddc_sclk_table->count - 1; 107 } else { 108 for (i = 0; i < vid_mapping_table->num_entries; i++) { 109 if (vid_mapping_table->entries[i].vid_7bit == vid_7bit) 110 return vid_mapping_table->entries[i].vid_2bit; 111 } 112 113 return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit; 114 } 115} 116 117static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable) 118{ 119/* This bit selects who handles display phy powergating. 120 * Clear the bit to let atom handle it. 121 * Set it to let the driver handle it. 122 * For now we just let atom handle it. 123 */ 124#if 0 125 u32 v = RREG32(mmDOUT_SCRATCH3); 126 127 if (enable) 128 v |= 0x4; 129 else 130 v &= 0xFFFFFFFB; 131 132 WREG32(mmDOUT_SCRATCH3, v); 133#endif 134} 135 136static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev, 137 struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table, 138 ATOM_AVAILABLE_SCLK_LIST *table) 139{ 140 u32 i; 141 u32 n = 0; 142 u32 prev_sclk = 0; 143 144 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 145 if (table[i].ulSupportedSCLK > prev_sclk) { 146 sclk_voltage_mapping_table->entries[n].sclk_frequency = 147 table[i].ulSupportedSCLK; 148 sclk_voltage_mapping_table->entries[n].vid_2bit = 149 table[i].usVoltageIndex; 150 prev_sclk = table[i].ulSupportedSCLK; 151 n++; 152 } 153 } 154 155 sclk_voltage_mapping_table->num_max_dpm_entries = n; 156} 157 158static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev, 159 struct sumo_vid_mapping_table *vid_mapping_table, 160 ATOM_AVAILABLE_SCLK_LIST *table) 161{ 162 u32 i, j; 163 164 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { 165 if (table[i].ulSupportedSCLK != 0) { 166 vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = 167 table[i].usVoltageID; 168 vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = 169 table[i].usVoltageIndex; 170 } 171 } 172 173 for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) { 174 if (vid_mapping_table->entries[i].vid_7bit == 0) { 175 for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) { 176 if (vid_mapping_table->entries[j].vid_7bit != 0) { 177 vid_mapping_table->entries[i] = 178 vid_mapping_table->entries[j]; 179 vid_mapping_table->entries[j].vid_7bit = 0; 180 break; 181 } 182 } 183 184 if (j == SUMO_MAX_NUMBER_VOLTAGES) 185 break; 186 } 187 } 188 189 vid_mapping_table->num_entries = i; 190} 191 192#if 0 193static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] = 194{ 195 { 0, 4, 1 }, 196 { 1, 4, 1 }, 197 { 2, 5, 1 }, 198 { 3, 4, 2 }, 199 { 4, 1, 1 }, 200 { 5, 5, 2 }, 201 { 6, 6, 1 }, 202 { 7, 9, 2 }, 203 { 0xffffffff } 204}; 205 206static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] = 207{ 208 { 0, 4, 1 }, 209 { 0xffffffff } 210}; 211 212static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] = 213{ 214 { 0, 4, 1 }, 215 { 0xffffffff } 216}; 217 218static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] = 219{ 220 { 0, 4, 1 }, 221 { 0xffffffff } 222}; 223 224static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] = 225{ 226 { 0, 4, 1 }, 227 { 0xffffffff } 228}; 229 230static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] = 231{ 232 { 0, 4, 1 }, 233 { 1, 4, 1 }, 234 { 2, 5, 1 }, 235 { 3, 4, 1 }, 236 { 4, 1, 1 }, 237 { 5, 5, 1 }, 238 { 6, 6, 1 }, 239 { 7, 9, 1 }, 240 { 8, 4, 1 }, 241 { 9, 2, 1 }, 242 { 10, 3, 1 }, 243 { 11, 6, 1 }, 244 { 12, 8, 2 }, 245 { 13, 1, 1 }, 246 { 14, 2, 1 }, 247 { 15, 3, 1 }, 248 { 16, 1, 1 }, 249 { 17, 4, 1 }, 250 { 18, 3, 1 }, 251 { 19, 1, 1 }, 252 { 20, 8, 1 }, 253 { 21, 5, 1 }, 254 { 22, 1, 1 }, 255 { 23, 1, 1 }, 256 { 24, 4, 1 }, 257 { 27, 6, 1 }, 258 { 28, 1, 1 }, 259 { 0xffffffff } 260}; 261 262static const struct kv_lcac_config_reg sx0_cac_config_reg[] = 263{ 264 { 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 265}; 266 267static const struct kv_lcac_config_reg mc0_cac_config_reg[] = 268{ 269 { 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 270}; 271 272static const struct kv_lcac_config_reg mc1_cac_config_reg[] = 273{ 274 { 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 275}; 276 277static const struct kv_lcac_config_reg mc2_cac_config_reg[] = 278{ 279 { 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 280}; 281 282static const struct kv_lcac_config_reg mc3_cac_config_reg[] = 283{ 284 { 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 285}; 286 287static const struct kv_lcac_config_reg cpl_cac_config_reg[] = 288{ 289 { 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 } 290}; 291#endif 292 293static const struct kv_pt_config_reg didt_config_kv[] = 294{ 295 { 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 296 { 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 297 { 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 298 { 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 299 { 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 300 { 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 301 { 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 302 { 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 303 { 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 304 { 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 305 { 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 306 { 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 307 { 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND }, 308 { 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND }, 309 { 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND }, 310 { 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 311 { 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 312 { 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 313 { 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 314 { 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 315 { 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 316 { 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 317 { 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 318 { 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 319 { 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 320 { 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 321 { 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 322 { 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 323 { 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 324 { 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 325 { 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND }, 326 { 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND }, 327 { 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND }, 328 { 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 329 { 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 330 { 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 331 { 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 332 { 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 333 { 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 334 { 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 335 { 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 336 { 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 337 { 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 338 { 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 339 { 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 340 { 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 341 { 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 342 { 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 343 { 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND }, 344 { 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND }, 345 { 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND }, 346 { 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 347 { 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 348 { 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 349 { 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 350 { 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 351 { 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 352 { 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 353 { 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 354 { 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 355 { 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 356 { 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 357 { 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 358 { 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND }, 359 { 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND }, 360 { 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND }, 361 { 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND }, 362 { 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND }, 363 { 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND }, 364 { 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 365 { 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND }, 366 { 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND }, 367 { 0xFFFFFFFF } 368}; 369 370static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps) 371{ 372 struct kv_ps *ps = rps->ps_priv; 373 374 return ps; 375} 376 377static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev) 378{ 379 struct kv_power_info *pi = adev->pm.dpm.priv; 380 381 return pi; 382} 383 384#if 0 385static void kv_program_local_cac_table(struct amdgpu_device *adev, 386 const struct kv_lcac_config_values *local_cac_table, 387 const struct kv_lcac_config_reg *local_cac_reg) 388{ 389 u32 i, count, data; 390 const struct kv_lcac_config_values *values = local_cac_table; 391 392 while (values->block_id != 0xffffffff) { 393 count = values->signal_id; 394 for (i = 0; i < count; i++) { 395 data = ((values->block_id << local_cac_reg->block_shift) & 396 local_cac_reg->block_mask); 397 data |= ((i << local_cac_reg->signal_shift) & 398 local_cac_reg->signal_mask); 399 data |= ((values->t << local_cac_reg->t_shift) & 400 local_cac_reg->t_mask); 401 data |= ((1 << local_cac_reg->enable_shift) & 402 local_cac_reg->enable_mask); 403 WREG32_SMC(local_cac_reg->cntl, data); 404 } 405 values++; 406 } 407} 408#endif 409 410static int kv_program_pt_config_registers(struct amdgpu_device *adev, 411 const struct kv_pt_config_reg *cac_config_regs) 412{ 413 const struct kv_pt_config_reg *config_regs = cac_config_regs; 414 u32 data; 415 u32 cache = 0; 416 417 if (config_regs == NULL) 418 return -EINVAL; 419 420 while (config_regs->offset != 0xFFFFFFFF) { 421 if (config_regs->type == KV_CONFIGREG_CACHE) { 422 cache |= ((config_regs->value << config_regs->shift) & config_regs->mask); 423 } else { 424 switch (config_regs->type) { 425 case KV_CONFIGREG_SMC_IND: 426 data = RREG32_SMC(config_regs->offset); 427 break; 428 case KV_CONFIGREG_DIDT_IND: 429 data = RREG32_DIDT(config_regs->offset); 430 break; 431 default: 432 data = RREG32(config_regs->offset); 433 break; 434 } 435 436 data &= ~config_regs->mask; 437 data |= ((config_regs->value << config_regs->shift) & config_regs->mask); 438 data |= cache; 439 cache = 0; 440 441 switch (config_regs->type) { 442 case KV_CONFIGREG_SMC_IND: 443 WREG32_SMC(config_regs->offset, data); 444 break; 445 case KV_CONFIGREG_DIDT_IND: 446 WREG32_DIDT(config_regs->offset, data); 447 break; 448 default: 449 WREG32(config_regs->offset, data); 450 break; 451 } 452 } 453 config_regs++; 454 } 455 456 return 0; 457} 458 459static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable) 460{ 461 struct kv_power_info *pi = kv_get_pi(adev); 462 u32 data; 463 464 if (pi->caps_sq_ramping) { 465 data = RREG32_DIDT(ixDIDT_SQ_CTRL0); 466 if (enable) 467 data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK; 468 else 469 data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK; 470 WREG32_DIDT(ixDIDT_SQ_CTRL0, data); 471 } 472 473 if (pi->caps_db_ramping) { 474 data = RREG32_DIDT(ixDIDT_DB_CTRL0); 475 if (enable) 476 data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK; 477 else 478 data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK; 479 WREG32_DIDT(ixDIDT_DB_CTRL0, data); 480 } 481 482 if (pi->caps_td_ramping) { 483 data = RREG32_DIDT(ixDIDT_TD_CTRL0); 484 if (enable) 485 data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK; 486 else 487 data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK; 488 WREG32_DIDT(ixDIDT_TD_CTRL0, data); 489 } 490 491 if (pi->caps_tcp_ramping) { 492 data = RREG32_DIDT(ixDIDT_TCP_CTRL0); 493 if (enable) 494 data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK; 495 else 496 data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK; 497 WREG32_DIDT(ixDIDT_TCP_CTRL0, data); 498 } 499} 500 501static int kv_enable_didt(struct amdgpu_device *adev, bool enable) 502{ 503 struct kv_power_info *pi = kv_get_pi(adev); 504 int ret; 505 506 if (pi->caps_sq_ramping || 507 pi->caps_db_ramping || 508 pi->caps_td_ramping || 509 pi->caps_tcp_ramping) { 510 amdgpu_gfx_rlc_enter_safe_mode(adev); 511 512 if (enable) { 513 ret = kv_program_pt_config_registers(adev, didt_config_kv); 514 if (ret) { 515 amdgpu_gfx_rlc_exit_safe_mode(adev); 516 return ret; 517 } 518 } 519 520 kv_do_enable_didt(adev, enable); 521 522 amdgpu_gfx_rlc_exit_safe_mode(adev); 523 } 524 525 return 0; 526} 527 528#if 0 529static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev) 530{ 531 struct kv_power_info *pi = kv_get_pi(adev); 532 533 if (pi->caps_cac) { 534 WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0); 535 WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0); 536 kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg); 537 538 WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0); 539 WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0); 540 kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg); 541 542 WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0); 543 WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0); 544 kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg); 545 546 WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0); 547 WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0); 548 kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg); 549 550 WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0); 551 WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0); 552 kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg); 553 554 WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0); 555 WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0); 556 kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg); 557 } 558} 559#endif 560 561static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable) 562{ 563 struct kv_power_info *pi = kv_get_pi(adev); 564 int ret = 0; 565 566 if (pi->caps_cac) { 567 if (enable) { 568 ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac); 569 if (ret) 570 pi->cac_enabled = false; 571 else 572 pi->cac_enabled = true; 573 } else if (pi->cac_enabled) { 574 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac); 575 pi->cac_enabled = false; 576 } 577 } 578 579 return ret; 580} 581 582static int kv_process_firmware_header(struct amdgpu_device *adev) 583{ 584 struct kv_power_info *pi = kv_get_pi(adev); 585 u32 tmp; 586 int ret; 587 588 ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION + 589 offsetof(SMU7_Firmware_Header, DpmTable), 590 &tmp, pi->sram_end); 591 592 if (ret == 0) 593 pi->dpm_table_start = tmp; 594 595 ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION + 596 offsetof(SMU7_Firmware_Header, SoftRegisters), 597 &tmp, pi->sram_end); 598 599 if (ret == 0) 600 pi->soft_regs_start = tmp; 601 602 return ret; 603} 604 605static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev) 606{ 607 struct kv_power_info *pi = kv_get_pi(adev); 608 int ret; 609 610 pi->graphics_voltage_change_enable = 1; 611 612 ret = amdgpu_kv_copy_bytes_to_smc(adev, 613 pi->dpm_table_start + 614 offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable), 615 &pi->graphics_voltage_change_enable, 616 sizeof(u8), pi->sram_end); 617 618 return ret; 619} 620 621static int kv_set_dpm_interval(struct amdgpu_device *adev) 622{ 623 struct kv_power_info *pi = kv_get_pi(adev); 624 int ret; 625 626 pi->graphics_interval = 1; 627 628 ret = amdgpu_kv_copy_bytes_to_smc(adev, 629 pi->dpm_table_start + 630 offsetof(SMU7_Fusion_DpmTable, GraphicsInterval), 631 &pi->graphics_interval, 632 sizeof(u8), pi->sram_end); 633 634 return ret; 635} 636 637static int kv_set_dpm_boot_state(struct amdgpu_device *adev) 638{ 639 struct kv_power_info *pi = kv_get_pi(adev); 640 int ret; 641 642 ret = amdgpu_kv_copy_bytes_to_smc(adev, 643 pi->dpm_table_start + 644 offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel), 645 &pi->graphics_boot_level, 646 sizeof(u8), pi->sram_end); 647 648 return ret; 649} 650 651static void kv_program_vc(struct amdgpu_device *adev) 652{ 653 WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100); 654} 655 656static void kv_clear_vc(struct amdgpu_device *adev) 657{ 658 WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0); 659} 660 661static int kv_set_divider_value(struct amdgpu_device *adev, 662 u32 index, u32 sclk) 663{ 664 struct kv_power_info *pi = kv_get_pi(adev); 665 struct atom_clock_dividers dividers; 666 int ret; 667 668 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 669 sclk, false, &dividers); 670 if (ret) 671 return ret; 672 673 pi->graphics_level[index].SclkDid = (u8)dividers.post_div; 674 pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk); 675 676 return 0; 677} 678 679static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev, 680 u16 voltage) 681{ 682 return 6200 - (voltage * 25); 683} 684 685static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev, 686 u32 vid_2bit) 687{ 688 struct kv_power_info *pi = kv_get_pi(adev); 689 u32 vid_8bit = kv_convert_vid2_to_vid7(adev, 690 &pi->sys_info.vid_mapping_table, 691 vid_2bit); 692 693 return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit); 694} 695 696 697static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid) 698{ 699 struct kv_power_info *pi = kv_get_pi(adev); 700 701 pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t; 702 pi->graphics_level[index].MinVddNb = 703 cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid)); 704 705 return 0; 706} 707 708static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at) 709{ 710 struct kv_power_info *pi = kv_get_pi(adev); 711 712 pi->graphics_level[index].AT = cpu_to_be16((u16)at); 713 714 return 0; 715} 716 717static void kv_dpm_power_level_enable(struct amdgpu_device *adev, 718 u32 index, bool enable) 719{ 720 struct kv_power_info *pi = kv_get_pi(adev); 721 722 pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0; 723} 724 725static void kv_start_dpm(struct amdgpu_device *adev) 726{ 727 u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT); 728 729 tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK; 730 WREG32_SMC(ixGENERAL_PWRMGT, tmp); 731 732 amdgpu_kv_smc_dpm_enable(adev, true); 733} 734 735static void kv_stop_dpm(struct amdgpu_device *adev) 736{ 737 amdgpu_kv_smc_dpm_enable(adev, false); 738} 739 740static void kv_start_am(struct amdgpu_device *adev) 741{ 742 u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL); 743 744 sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK | 745 SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK); 746 sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK; 747 748 WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl); 749} 750 751static void kv_reset_am(struct amdgpu_device *adev) 752{ 753 u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL); 754 755 sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK | 756 SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK); 757 758 WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl); 759} 760 761static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze) 762{ 763 return amdgpu_kv_notify_message_to_smu(adev, freeze ? 764 PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel); 765} 766 767static int kv_force_lowest_valid(struct amdgpu_device *adev) 768{ 769 return kv_force_dpm_lowest(adev); 770} 771 772static int kv_unforce_levels(struct amdgpu_device *adev) 773{ 774 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) 775 return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel); 776 else 777 return kv_set_enabled_levels(adev); 778} 779 780static int kv_update_sclk_t(struct amdgpu_device *adev) 781{ 782 struct kv_power_info *pi = kv_get_pi(adev); 783 u32 low_sclk_interrupt_t = 0; 784 int ret = 0; 785 786 if (pi->caps_sclk_throttle_low_notification) { 787 low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t); 788 789 ret = amdgpu_kv_copy_bytes_to_smc(adev, 790 pi->dpm_table_start + 791 offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT), 792 (u8 *)&low_sclk_interrupt_t, 793 sizeof(u32), pi->sram_end); 794 } 795 return ret; 796} 797 798static int kv_program_bootup_state(struct amdgpu_device *adev) 799{ 800 struct kv_power_info *pi = kv_get_pi(adev); 801 u32 i; 802 struct amdgpu_clock_voltage_dependency_table *table = 803 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 804 805 if (table && table->count) { 806 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) { 807 if (table->entries[i].clk == pi->boot_pl.sclk) 808 break; 809 } 810 811 pi->graphics_boot_level = (u8)i; 812 kv_dpm_power_level_enable(adev, i, true); 813 } else { 814 struct sumo_sclk_voltage_mapping_table *table = 815 &pi->sys_info.sclk_voltage_mapping_table; 816 817 if (table->num_max_dpm_entries == 0) 818 return -EINVAL; 819 820 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) { 821 if (table->entries[i].sclk_frequency == pi->boot_pl.sclk) 822 break; 823 } 824 825 pi->graphics_boot_level = (u8)i; 826 kv_dpm_power_level_enable(adev, i, true); 827 } 828 return 0; 829} 830 831static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev) 832{ 833 struct kv_power_info *pi = kv_get_pi(adev); 834 int ret; 835 836 pi->graphics_therm_throttle_enable = 1; 837 838 ret = amdgpu_kv_copy_bytes_to_smc(adev, 839 pi->dpm_table_start + 840 offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable), 841 &pi->graphics_therm_throttle_enable, 842 sizeof(u8), pi->sram_end); 843 844 return ret; 845} 846 847static int kv_upload_dpm_settings(struct amdgpu_device *adev) 848{ 849 struct kv_power_info *pi = kv_get_pi(adev); 850 int ret; 851 852 ret = amdgpu_kv_copy_bytes_to_smc(adev, 853 pi->dpm_table_start + 854 offsetof(SMU7_Fusion_DpmTable, GraphicsLevel), 855 (u8 *)&pi->graphics_level, 856 sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS, 857 pi->sram_end); 858 859 if (ret) 860 return ret; 861 862 ret = amdgpu_kv_copy_bytes_to_smc(adev, 863 pi->dpm_table_start + 864 offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount), 865 &pi->graphics_dpm_level_count, 866 sizeof(u8), pi->sram_end); 867 868 return ret; 869} 870 871static u32 kv_get_clock_difference(u32 a, u32 b) 872{ 873 return (a >= b) ? a - b : b - a; 874} 875 876static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk) 877{ 878 struct kv_power_info *pi = kv_get_pi(adev); 879 u32 value; 880 881 if (pi->caps_enable_dfs_bypass) { 882 if (kv_get_clock_difference(clk, 40000) < 200) 883 value = 3; 884 else if (kv_get_clock_difference(clk, 30000) < 200) 885 value = 2; 886 else if (kv_get_clock_difference(clk, 20000) < 200) 887 value = 7; 888 else if (kv_get_clock_difference(clk, 15000) < 200) 889 value = 6; 890 else if (kv_get_clock_difference(clk, 10000) < 200) 891 value = 8; 892 else 893 value = 0; 894 } else { 895 value = 0; 896 } 897 898 return value; 899} 900 901static int kv_populate_uvd_table(struct amdgpu_device *adev) 902{ 903 struct kv_power_info *pi = kv_get_pi(adev); 904 struct amdgpu_uvd_clock_voltage_dependency_table *table = 905 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; 906 struct atom_clock_dividers dividers; 907 int ret; 908 u32 i; 909 910 if (table == NULL || table->count == 0) 911 return 0; 912 913 pi->uvd_level_count = 0; 914 for (i = 0; i < table->count; i++) { 915 if (pi->high_voltage_t && 916 (pi->high_voltage_t < table->entries[i].v)) 917 break; 918 919 pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk); 920 pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk); 921 pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v); 922 923 pi->uvd_level[i].VClkBypassCntl = 924 (u8)kv_get_clk_bypass(adev, table->entries[i].vclk); 925 pi->uvd_level[i].DClkBypassCntl = 926 (u8)kv_get_clk_bypass(adev, table->entries[i].dclk); 927 928 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 929 table->entries[i].vclk, false, &dividers); 930 if (ret) 931 return ret; 932 pi->uvd_level[i].VclkDivider = (u8)dividers.post_div; 933 934 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 935 table->entries[i].dclk, false, &dividers); 936 if (ret) 937 return ret; 938 pi->uvd_level[i].DclkDivider = (u8)dividers.post_div; 939 940 pi->uvd_level_count++; 941 } 942 943 ret = amdgpu_kv_copy_bytes_to_smc(adev, 944 pi->dpm_table_start + 945 offsetof(SMU7_Fusion_DpmTable, UvdLevelCount), 946 (u8 *)&pi->uvd_level_count, 947 sizeof(u8), pi->sram_end); 948 if (ret) 949 return ret; 950 951 pi->uvd_interval = 1; 952 953 ret = amdgpu_kv_copy_bytes_to_smc(adev, 954 pi->dpm_table_start + 955 offsetof(SMU7_Fusion_DpmTable, UVDInterval), 956 &pi->uvd_interval, 957 sizeof(u8), pi->sram_end); 958 if (ret) 959 return ret; 960 961 ret = amdgpu_kv_copy_bytes_to_smc(adev, 962 pi->dpm_table_start + 963 offsetof(SMU7_Fusion_DpmTable, UvdLevel), 964 (u8 *)&pi->uvd_level, 965 sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD, 966 pi->sram_end); 967 968 return ret; 969 970} 971 972static int kv_populate_vce_table(struct amdgpu_device *adev) 973{ 974 struct kv_power_info *pi = kv_get_pi(adev); 975 int ret; 976 u32 i; 977 struct amdgpu_vce_clock_voltage_dependency_table *table = 978 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 979 struct atom_clock_dividers dividers; 980 981 if (table == NULL || table->count == 0) 982 return 0; 983 984 pi->vce_level_count = 0; 985 for (i = 0; i < table->count; i++) { 986 if (pi->high_voltage_t && 987 pi->high_voltage_t < table->entries[i].v) 988 break; 989 990 pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk); 991 pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v); 992 993 pi->vce_level[i].ClkBypassCntl = 994 (u8)kv_get_clk_bypass(adev, table->entries[i].evclk); 995 996 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 997 table->entries[i].evclk, false, &dividers); 998 if (ret) 999 return ret; 1000 pi->vce_level[i].Divider = (u8)dividers.post_div; 1001 1002 pi->vce_level_count++; 1003 } 1004 1005 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1006 pi->dpm_table_start + 1007 offsetof(SMU7_Fusion_DpmTable, VceLevelCount), 1008 (u8 *)&pi->vce_level_count, 1009 sizeof(u8), 1010 pi->sram_end); 1011 if (ret) 1012 return ret; 1013 1014 pi->vce_interval = 1; 1015 1016 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1017 pi->dpm_table_start + 1018 offsetof(SMU7_Fusion_DpmTable, VCEInterval), 1019 (u8 *)&pi->vce_interval, 1020 sizeof(u8), 1021 pi->sram_end); 1022 if (ret) 1023 return ret; 1024 1025 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1026 pi->dpm_table_start + 1027 offsetof(SMU7_Fusion_DpmTable, VceLevel), 1028 (u8 *)&pi->vce_level, 1029 sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE, 1030 pi->sram_end); 1031 1032 return ret; 1033} 1034 1035static int kv_populate_samu_table(struct amdgpu_device *adev) 1036{ 1037 struct kv_power_info *pi = kv_get_pi(adev); 1038 struct amdgpu_clock_voltage_dependency_table *table = 1039 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table; 1040 struct atom_clock_dividers dividers; 1041 int ret; 1042 u32 i; 1043 1044 if (table == NULL || table->count == 0) 1045 return 0; 1046 1047 pi->samu_level_count = 0; 1048 for (i = 0; i < table->count; i++) { 1049 if (pi->high_voltage_t && 1050 pi->high_voltage_t < table->entries[i].v) 1051 break; 1052 1053 pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk); 1054 pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v); 1055 1056 pi->samu_level[i].ClkBypassCntl = 1057 (u8)kv_get_clk_bypass(adev, table->entries[i].clk); 1058 1059 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 1060 table->entries[i].clk, false, &dividers); 1061 if (ret) 1062 return ret; 1063 pi->samu_level[i].Divider = (u8)dividers.post_div; 1064 1065 pi->samu_level_count++; 1066 } 1067 1068 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1069 pi->dpm_table_start + 1070 offsetof(SMU7_Fusion_DpmTable, SamuLevelCount), 1071 (u8 *)&pi->samu_level_count, 1072 sizeof(u8), 1073 pi->sram_end); 1074 if (ret) 1075 return ret; 1076 1077 pi->samu_interval = 1; 1078 1079 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1080 pi->dpm_table_start + 1081 offsetof(SMU7_Fusion_DpmTable, SAMUInterval), 1082 (u8 *)&pi->samu_interval, 1083 sizeof(u8), 1084 pi->sram_end); 1085 if (ret) 1086 return ret; 1087 1088 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1089 pi->dpm_table_start + 1090 offsetof(SMU7_Fusion_DpmTable, SamuLevel), 1091 (u8 *)&pi->samu_level, 1092 sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU, 1093 pi->sram_end); 1094 if (ret) 1095 return ret; 1096 1097 return ret; 1098} 1099 1100 1101static int kv_populate_acp_table(struct amdgpu_device *adev) 1102{ 1103 struct kv_power_info *pi = kv_get_pi(adev); 1104 struct amdgpu_clock_voltage_dependency_table *table = 1105 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table; 1106 struct atom_clock_dividers dividers; 1107 int ret; 1108 u32 i; 1109 1110 if (table == NULL || table->count == 0) 1111 return 0; 1112 1113 pi->acp_level_count = 0; 1114 for (i = 0; i < table->count; i++) { 1115 pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk); 1116 pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v); 1117 1118 ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM, 1119 table->entries[i].clk, false, &dividers); 1120 if (ret) 1121 return ret; 1122 pi->acp_level[i].Divider = (u8)dividers.post_div; 1123 1124 pi->acp_level_count++; 1125 } 1126 1127 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1128 pi->dpm_table_start + 1129 offsetof(SMU7_Fusion_DpmTable, AcpLevelCount), 1130 (u8 *)&pi->acp_level_count, 1131 sizeof(u8), 1132 pi->sram_end); 1133 if (ret) 1134 return ret; 1135 1136 pi->acp_interval = 1; 1137 1138 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1139 pi->dpm_table_start + 1140 offsetof(SMU7_Fusion_DpmTable, ACPInterval), 1141 (u8 *)&pi->acp_interval, 1142 sizeof(u8), 1143 pi->sram_end); 1144 if (ret) 1145 return ret; 1146 1147 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1148 pi->dpm_table_start + 1149 offsetof(SMU7_Fusion_DpmTable, AcpLevel), 1150 (u8 *)&pi->acp_level, 1151 sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP, 1152 pi->sram_end); 1153 if (ret) 1154 return ret; 1155 1156 return ret; 1157} 1158 1159static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev) 1160{ 1161 struct kv_power_info *pi = kv_get_pi(adev); 1162 u32 i; 1163 struct amdgpu_clock_voltage_dependency_table *table = 1164 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 1165 1166 if (table && table->count) { 1167 for (i = 0; i < pi->graphics_dpm_level_count; i++) { 1168 if (pi->caps_enable_dfs_bypass) { 1169 if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200) 1170 pi->graphics_level[i].ClkBypassCntl = 3; 1171 else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200) 1172 pi->graphics_level[i].ClkBypassCntl = 2; 1173 else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200) 1174 pi->graphics_level[i].ClkBypassCntl = 7; 1175 else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200) 1176 pi->graphics_level[i].ClkBypassCntl = 6; 1177 else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200) 1178 pi->graphics_level[i].ClkBypassCntl = 8; 1179 else 1180 pi->graphics_level[i].ClkBypassCntl = 0; 1181 } else { 1182 pi->graphics_level[i].ClkBypassCntl = 0; 1183 } 1184 } 1185 } else { 1186 struct sumo_sclk_voltage_mapping_table *table = 1187 &pi->sys_info.sclk_voltage_mapping_table; 1188 for (i = 0; i < pi->graphics_dpm_level_count; i++) { 1189 if (pi->caps_enable_dfs_bypass) { 1190 if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200) 1191 pi->graphics_level[i].ClkBypassCntl = 3; 1192 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200) 1193 pi->graphics_level[i].ClkBypassCntl = 2; 1194 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200) 1195 pi->graphics_level[i].ClkBypassCntl = 7; 1196 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200) 1197 pi->graphics_level[i].ClkBypassCntl = 6; 1198 else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200) 1199 pi->graphics_level[i].ClkBypassCntl = 8; 1200 else 1201 pi->graphics_level[i].ClkBypassCntl = 0; 1202 } else { 1203 pi->graphics_level[i].ClkBypassCntl = 0; 1204 } 1205 } 1206 } 1207} 1208 1209static int kv_enable_ulv(struct amdgpu_device *adev, bool enable) 1210{ 1211 return amdgpu_kv_notify_message_to_smu(adev, enable ? 1212 PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV); 1213} 1214 1215static void kv_reset_acp_boot_level(struct amdgpu_device *adev) 1216{ 1217 struct kv_power_info *pi = kv_get_pi(adev); 1218 1219 pi->acp_boot_level = 0xff; 1220} 1221 1222static void kv_update_current_ps(struct amdgpu_device *adev, 1223 struct amdgpu_ps *rps) 1224{ 1225 struct kv_ps *new_ps = kv_get_ps(rps); 1226 struct kv_power_info *pi = kv_get_pi(adev); 1227 1228 pi->current_rps = *rps; 1229 pi->current_ps = *new_ps; 1230 pi->current_rps.ps_priv = &pi->current_ps; 1231 adev->pm.dpm.current_ps = &pi->current_rps; 1232} 1233 1234static void kv_update_requested_ps(struct amdgpu_device *adev, 1235 struct amdgpu_ps *rps) 1236{ 1237 struct kv_ps *new_ps = kv_get_ps(rps); 1238 struct kv_power_info *pi = kv_get_pi(adev); 1239 1240 pi->requested_rps = *rps; 1241 pi->requested_ps = *new_ps; 1242 pi->requested_rps.ps_priv = &pi->requested_ps; 1243 adev->pm.dpm.requested_ps = &pi->requested_rps; 1244} 1245 1246static void kv_dpm_enable_bapm(void *handle, bool enable) 1247{ 1248 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1249 struct kv_power_info *pi = kv_get_pi(adev); 1250 int ret; 1251 1252 if (pi->bapm_enable) { 1253 ret = amdgpu_kv_smc_bapm_enable(adev, enable); 1254 if (ret) 1255 DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n"); 1256 } 1257} 1258 1259static int kv_dpm_enable(struct amdgpu_device *adev) 1260{ 1261 struct kv_power_info *pi = kv_get_pi(adev); 1262 int ret; 1263 1264 ret = kv_process_firmware_header(adev); 1265 if (ret) { 1266 DRM_ERROR("kv_process_firmware_header failed\n"); 1267 return ret; 1268 } 1269 kv_init_fps_limits(adev); 1270 kv_init_graphics_levels(adev); 1271 ret = kv_program_bootup_state(adev); 1272 if (ret) { 1273 DRM_ERROR("kv_program_bootup_state failed\n"); 1274 return ret; 1275 } 1276 kv_calculate_dfs_bypass_settings(adev); 1277 ret = kv_upload_dpm_settings(adev); 1278 if (ret) { 1279 DRM_ERROR("kv_upload_dpm_settings failed\n"); 1280 return ret; 1281 } 1282 ret = kv_populate_uvd_table(adev); 1283 if (ret) { 1284 DRM_ERROR("kv_populate_uvd_table failed\n"); 1285 return ret; 1286 } 1287 ret = kv_populate_vce_table(adev); 1288 if (ret) { 1289 DRM_ERROR("kv_populate_vce_table failed\n"); 1290 return ret; 1291 } 1292 ret = kv_populate_samu_table(adev); 1293 if (ret) { 1294 DRM_ERROR("kv_populate_samu_table failed\n"); 1295 return ret; 1296 } 1297 ret = kv_populate_acp_table(adev); 1298 if (ret) { 1299 DRM_ERROR("kv_populate_acp_table failed\n"); 1300 return ret; 1301 } 1302 kv_program_vc(adev); 1303#if 0 1304 kv_initialize_hardware_cac_manager(adev); 1305#endif 1306 kv_start_am(adev); 1307 if (pi->enable_auto_thermal_throttling) { 1308 ret = kv_enable_auto_thermal_throttling(adev); 1309 if (ret) { 1310 DRM_ERROR("kv_enable_auto_thermal_throttling failed\n"); 1311 return ret; 1312 } 1313 } 1314 ret = kv_enable_dpm_voltage_scaling(adev); 1315 if (ret) { 1316 DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n"); 1317 return ret; 1318 } 1319 ret = kv_set_dpm_interval(adev); 1320 if (ret) { 1321 DRM_ERROR("kv_set_dpm_interval failed\n"); 1322 return ret; 1323 } 1324 ret = kv_set_dpm_boot_state(adev); 1325 if (ret) { 1326 DRM_ERROR("kv_set_dpm_boot_state failed\n"); 1327 return ret; 1328 } 1329 ret = kv_enable_ulv(adev, true); 1330 if (ret) { 1331 DRM_ERROR("kv_enable_ulv failed\n"); 1332 return ret; 1333 } 1334 kv_start_dpm(adev); 1335 ret = kv_enable_didt(adev, true); 1336 if (ret) { 1337 DRM_ERROR("kv_enable_didt failed\n"); 1338 return ret; 1339 } 1340 ret = kv_enable_smc_cac(adev, true); 1341 if (ret) { 1342 DRM_ERROR("kv_enable_smc_cac failed\n"); 1343 return ret; 1344 } 1345 1346 kv_reset_acp_boot_level(adev); 1347 1348 ret = amdgpu_kv_smc_bapm_enable(adev, false); 1349 if (ret) { 1350 DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n"); 1351 return ret; 1352 } 1353 1354 if (adev->irq.installed && 1355 amdgpu_is_internal_thermal_sensor(adev->pm.int_thermal_type)) { 1356 ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX); 1357 if (ret) { 1358 DRM_ERROR("kv_set_thermal_temperature_range failed\n"); 1359 return ret; 1360 } 1361 amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq, 1362 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH); 1363 amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq, 1364 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW); 1365 } 1366 1367 return ret; 1368} 1369 1370static void kv_dpm_disable(struct amdgpu_device *adev) 1371{ 1372 struct kv_power_info *pi = kv_get_pi(adev); 1373 1374 amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq, 1375 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH); 1376 amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq, 1377 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW); 1378 1379 amdgpu_kv_smc_bapm_enable(adev, false); 1380 1381 if (adev->asic_type == CHIP_MULLINS) 1382 kv_enable_nb_dpm(adev, false); 1383 1384 /* powerup blocks */ 1385 kv_dpm_powergate_acp(adev, false); 1386 kv_dpm_powergate_samu(adev, false); 1387 if (pi->caps_vce_pg) /* power on the VCE block */ 1388 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON); 1389 if (pi->caps_uvd_pg) /* power on the UVD block */ 1390 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON); 1391 1392 kv_enable_smc_cac(adev, false); 1393 kv_enable_didt(adev, false); 1394 kv_clear_vc(adev); 1395 kv_stop_dpm(adev); 1396 kv_enable_ulv(adev, false); 1397 kv_reset_am(adev); 1398 1399 kv_update_current_ps(adev, adev->pm.dpm.boot_ps); 1400} 1401 1402#if 0 1403static int kv_write_smc_soft_register(struct amdgpu_device *adev, 1404 u16 reg_offset, u32 value) 1405{ 1406 struct kv_power_info *pi = kv_get_pi(adev); 1407 1408 return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset, 1409 (u8 *)&value, sizeof(u16), pi->sram_end); 1410} 1411 1412static int kv_read_smc_soft_register(struct amdgpu_device *adev, 1413 u16 reg_offset, u32 *value) 1414{ 1415 struct kv_power_info *pi = kv_get_pi(adev); 1416 1417 return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset, 1418 value, pi->sram_end); 1419} 1420#endif 1421 1422static void kv_init_sclk_t(struct amdgpu_device *adev) 1423{ 1424 struct kv_power_info *pi = kv_get_pi(adev); 1425 1426 pi->low_sclk_interrupt_t = 0; 1427} 1428 1429static int kv_init_fps_limits(struct amdgpu_device *adev) 1430{ 1431 struct kv_power_info *pi = kv_get_pi(adev); 1432 int ret = 0; 1433 1434 if (pi->caps_fps) { 1435 u16 tmp; 1436 1437 tmp = 45; 1438 pi->fps_high_t = cpu_to_be16(tmp); 1439 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1440 pi->dpm_table_start + 1441 offsetof(SMU7_Fusion_DpmTable, FpsHighT), 1442 (u8 *)&pi->fps_high_t, 1443 sizeof(u16), pi->sram_end); 1444 1445 tmp = 30; 1446 pi->fps_low_t = cpu_to_be16(tmp); 1447 1448 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1449 pi->dpm_table_start + 1450 offsetof(SMU7_Fusion_DpmTable, FpsLowT), 1451 (u8 *)&pi->fps_low_t, 1452 sizeof(u16), pi->sram_end); 1453 1454 } 1455 return ret; 1456} 1457 1458static void kv_init_powergate_state(struct amdgpu_device *adev) 1459{ 1460 struct kv_power_info *pi = kv_get_pi(adev); 1461 1462 pi->uvd_power_gated = false; 1463 pi->vce_power_gated = false; 1464 pi->samu_power_gated = false; 1465 pi->acp_power_gated = false; 1466 1467} 1468 1469static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable) 1470{ 1471 return amdgpu_kv_notify_message_to_smu(adev, enable ? 1472 PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable); 1473} 1474 1475static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable) 1476{ 1477 return amdgpu_kv_notify_message_to_smu(adev, enable ? 1478 PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable); 1479} 1480 1481static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable) 1482{ 1483 return amdgpu_kv_notify_message_to_smu(adev, enable ? 1484 PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable); 1485} 1486 1487static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable) 1488{ 1489 return amdgpu_kv_notify_message_to_smu(adev, enable ? 1490 PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable); 1491} 1492 1493static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate) 1494{ 1495 struct kv_power_info *pi = kv_get_pi(adev); 1496 struct amdgpu_uvd_clock_voltage_dependency_table *table = 1497 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; 1498 int ret; 1499 u32 mask; 1500 1501 if (!gate) { 1502 if (table->count) 1503 pi->uvd_boot_level = table->count - 1; 1504 else 1505 pi->uvd_boot_level = 0; 1506 1507 if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) { 1508 mask = 1 << pi->uvd_boot_level; 1509 } else { 1510 mask = 0x1f; 1511 } 1512 1513 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1514 pi->dpm_table_start + 1515 offsetof(SMU7_Fusion_DpmTable, UvdBootLevel), 1516 (uint8_t *)&pi->uvd_boot_level, 1517 sizeof(u8), pi->sram_end); 1518 if (ret) 1519 return ret; 1520 1521 amdgpu_kv_send_msg_to_smc_with_parameter(adev, 1522 PPSMC_MSG_UVDDPM_SetEnabledMask, 1523 mask); 1524 } 1525 1526 return kv_enable_uvd_dpm(adev, !gate); 1527} 1528 1529static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk) 1530{ 1531 u8 i; 1532 struct amdgpu_vce_clock_voltage_dependency_table *table = 1533 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 1534 1535 for (i = 0; i < table->count; i++) { 1536 if (table->entries[i].evclk >= evclk) 1537 break; 1538 } 1539 1540 return i; 1541} 1542 1543static int kv_update_vce_dpm(struct amdgpu_device *adev, 1544 struct amdgpu_ps *amdgpu_new_state, 1545 struct amdgpu_ps *amdgpu_current_state) 1546{ 1547 struct kv_power_info *pi = kv_get_pi(adev); 1548 struct amdgpu_vce_clock_voltage_dependency_table *table = 1549 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 1550 int ret; 1551 1552 if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) { 1553 if (pi->caps_stable_p_state) 1554 pi->vce_boot_level = table->count - 1; 1555 else 1556 pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk); 1557 1558 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1559 pi->dpm_table_start + 1560 offsetof(SMU7_Fusion_DpmTable, VceBootLevel), 1561 (u8 *)&pi->vce_boot_level, 1562 sizeof(u8), 1563 pi->sram_end); 1564 if (ret) 1565 return ret; 1566 1567 if (pi->caps_stable_p_state) 1568 amdgpu_kv_send_msg_to_smc_with_parameter(adev, 1569 PPSMC_MSG_VCEDPM_SetEnabledMask, 1570 (1 << pi->vce_boot_level)); 1571 kv_enable_vce_dpm(adev, true); 1572 } else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) { 1573 kv_enable_vce_dpm(adev, false); 1574 } 1575 1576 return 0; 1577} 1578 1579static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate) 1580{ 1581 struct kv_power_info *pi = kv_get_pi(adev); 1582 struct amdgpu_clock_voltage_dependency_table *table = 1583 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table; 1584 int ret; 1585 1586 if (!gate) { 1587 if (pi->caps_stable_p_state) 1588 pi->samu_boot_level = table->count - 1; 1589 else 1590 pi->samu_boot_level = 0; 1591 1592 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1593 pi->dpm_table_start + 1594 offsetof(SMU7_Fusion_DpmTable, SamuBootLevel), 1595 (u8 *)&pi->samu_boot_level, 1596 sizeof(u8), 1597 pi->sram_end); 1598 if (ret) 1599 return ret; 1600 1601 if (pi->caps_stable_p_state) 1602 amdgpu_kv_send_msg_to_smc_with_parameter(adev, 1603 PPSMC_MSG_SAMUDPM_SetEnabledMask, 1604 (1 << pi->samu_boot_level)); 1605 } 1606 1607 return kv_enable_samu_dpm(adev, !gate); 1608} 1609 1610static u8 kv_get_acp_boot_level(struct amdgpu_device *adev) 1611{ 1612 u8 i; 1613 struct amdgpu_clock_voltage_dependency_table *table = 1614 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table; 1615 1616 for (i = 0; i < table->count; i++) { 1617 if (table->entries[i].clk >= 0) /* XXX */ 1618 break; 1619 } 1620 1621 if (i >= table->count) 1622 i = table->count - 1; 1623 1624 return i; 1625} 1626 1627static void kv_update_acp_boot_level(struct amdgpu_device *adev) 1628{ 1629 struct kv_power_info *pi = kv_get_pi(adev); 1630 u8 acp_boot_level; 1631 1632 if (!pi->caps_stable_p_state) { 1633 acp_boot_level = kv_get_acp_boot_level(adev); 1634 if (acp_boot_level != pi->acp_boot_level) { 1635 pi->acp_boot_level = acp_boot_level; 1636 amdgpu_kv_send_msg_to_smc_with_parameter(adev, 1637 PPSMC_MSG_ACPDPM_SetEnabledMask, 1638 (1 << pi->acp_boot_level)); 1639 } 1640 } 1641} 1642 1643static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate) 1644{ 1645 struct kv_power_info *pi = kv_get_pi(adev); 1646 struct amdgpu_clock_voltage_dependency_table *table = 1647 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table; 1648 int ret; 1649 1650 if (!gate) { 1651 if (pi->caps_stable_p_state) 1652 pi->acp_boot_level = table->count - 1; 1653 else 1654 pi->acp_boot_level = kv_get_acp_boot_level(adev); 1655 1656 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1657 pi->dpm_table_start + 1658 offsetof(SMU7_Fusion_DpmTable, AcpBootLevel), 1659 (u8 *)&pi->acp_boot_level, 1660 sizeof(u8), 1661 pi->sram_end); 1662 if (ret) 1663 return ret; 1664 1665 if (pi->caps_stable_p_state) 1666 amdgpu_kv_send_msg_to_smc_with_parameter(adev, 1667 PPSMC_MSG_ACPDPM_SetEnabledMask, 1668 (1 << pi->acp_boot_level)); 1669 } 1670 1671 return kv_enable_acp_dpm(adev, !gate); 1672} 1673 1674static void kv_dpm_powergate_uvd(void *handle, bool gate) 1675{ 1676 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1677 struct kv_power_info *pi = kv_get_pi(adev); 1678 int ret; 1679 1680 pi->uvd_power_gated = gate; 1681 1682 if (gate) { 1683 /* stop the UVD block */ 1684 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, 1685 AMD_PG_STATE_GATE); 1686 kv_update_uvd_dpm(adev, gate); 1687 if (pi->caps_uvd_pg) 1688 /* power off the UVD block */ 1689 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF); 1690 } else { 1691 if (pi->caps_uvd_pg) 1692 /* power on the UVD block */ 1693 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON); 1694 /* re-init the UVD block */ 1695 kv_update_uvd_dpm(adev, gate); 1696 1697 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, 1698 AMD_PG_STATE_UNGATE); 1699 } 1700} 1701 1702static void kv_dpm_powergate_vce(void *handle, bool gate) 1703{ 1704 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1705 struct kv_power_info *pi = kv_get_pi(adev); 1706 int ret; 1707 1708 pi->vce_power_gated = gate; 1709 1710 if (gate) { 1711 /* stop the VCE block */ 1712 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 1713 AMD_PG_STATE_GATE); 1714 kv_enable_vce_dpm(adev, false); 1715 if (pi->caps_vce_pg) /* power off the VCE block */ 1716 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF); 1717 } else { 1718 if (pi->caps_vce_pg) /* power on the VCE block */ 1719 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON); 1720 kv_enable_vce_dpm(adev, true); 1721 /* re-init the VCE block */ 1722 ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 1723 AMD_PG_STATE_UNGATE); 1724 } 1725} 1726 1727 1728static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate) 1729{ 1730 struct kv_power_info *pi = kv_get_pi(adev); 1731 1732 if (pi->samu_power_gated == gate) 1733 return; 1734 1735 pi->samu_power_gated = gate; 1736 1737 if (gate) { 1738 kv_update_samu_dpm(adev, true); 1739 if (pi->caps_samu_pg) 1740 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF); 1741 } else { 1742 if (pi->caps_samu_pg) 1743 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON); 1744 kv_update_samu_dpm(adev, false); 1745 } 1746} 1747 1748static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate) 1749{ 1750 struct kv_power_info *pi = kv_get_pi(adev); 1751 1752 if (pi->acp_power_gated == gate) 1753 return; 1754 1755 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) 1756 return; 1757 1758 pi->acp_power_gated = gate; 1759 1760 if (gate) { 1761 kv_update_acp_dpm(adev, true); 1762 if (pi->caps_acp_pg) 1763 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF); 1764 } else { 1765 if (pi->caps_acp_pg) 1766 amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON); 1767 kv_update_acp_dpm(adev, false); 1768 } 1769} 1770 1771static void kv_set_valid_clock_range(struct amdgpu_device *adev, 1772 struct amdgpu_ps *new_rps) 1773{ 1774 struct kv_ps *new_ps = kv_get_ps(new_rps); 1775 struct kv_power_info *pi = kv_get_pi(adev); 1776 u32 i; 1777 struct amdgpu_clock_voltage_dependency_table *table = 1778 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 1779 1780 if (table && table->count) { 1781 for (i = 0; i < pi->graphics_dpm_level_count; i++) { 1782 if ((table->entries[i].clk >= new_ps->levels[0].sclk) || 1783 (i == (pi->graphics_dpm_level_count - 1))) { 1784 pi->lowest_valid = i; 1785 break; 1786 } 1787 } 1788 1789 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) { 1790 if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk) 1791 break; 1792 } 1793 pi->highest_valid = i; 1794 1795 if (pi->lowest_valid > pi->highest_valid) { 1796 if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) > 1797 (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk)) 1798 pi->highest_valid = pi->lowest_valid; 1799 else 1800 pi->lowest_valid = pi->highest_valid; 1801 } 1802 } else { 1803 struct sumo_sclk_voltage_mapping_table *table = 1804 &pi->sys_info.sclk_voltage_mapping_table; 1805 1806 for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) { 1807 if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk || 1808 i == (int)(pi->graphics_dpm_level_count - 1)) { 1809 pi->lowest_valid = i; 1810 break; 1811 } 1812 } 1813 1814 for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) { 1815 if (table->entries[i].sclk_frequency <= 1816 new_ps->levels[new_ps->num_levels - 1].sclk) 1817 break; 1818 } 1819 pi->highest_valid = i; 1820 1821 if (pi->lowest_valid > pi->highest_valid) { 1822 if ((new_ps->levels[0].sclk - 1823 table->entries[pi->highest_valid].sclk_frequency) > 1824 (table->entries[pi->lowest_valid].sclk_frequency - 1825 new_ps->levels[new_ps->num_levels -1].sclk)) 1826 pi->highest_valid = pi->lowest_valid; 1827 else 1828 pi->lowest_valid = pi->highest_valid; 1829 } 1830 } 1831} 1832 1833static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev, 1834 struct amdgpu_ps *new_rps) 1835{ 1836 struct kv_ps *new_ps = kv_get_ps(new_rps); 1837 struct kv_power_info *pi = kv_get_pi(adev); 1838 int ret = 0; 1839 u8 clk_bypass_cntl; 1840 1841 if (pi->caps_enable_dfs_bypass) { 1842 clk_bypass_cntl = new_ps->need_dfs_bypass ? 1843 pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0; 1844 ret = amdgpu_kv_copy_bytes_to_smc(adev, 1845 (pi->dpm_table_start + 1846 offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) + 1847 (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) + 1848 offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)), 1849 &clk_bypass_cntl, 1850 sizeof(u8), pi->sram_end); 1851 } 1852 1853 return ret; 1854} 1855 1856static int kv_enable_nb_dpm(struct amdgpu_device *adev, 1857 bool enable) 1858{ 1859 struct kv_power_info *pi = kv_get_pi(adev); 1860 int ret = 0; 1861 1862 if (enable) { 1863 if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) { 1864 ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable); 1865 if (ret == 0) 1866 pi->nb_dpm_enabled = true; 1867 } 1868 } else { 1869 if (pi->enable_nb_dpm && pi->nb_dpm_enabled) { 1870 ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable); 1871 if (ret == 0) 1872 pi->nb_dpm_enabled = false; 1873 } 1874 } 1875 1876 return ret; 1877} 1878 1879static int kv_dpm_force_performance_level(void *handle, 1880 enum amd_dpm_forced_level level) 1881{ 1882 int ret; 1883 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1884 1885 if (level == AMD_DPM_FORCED_LEVEL_HIGH) { 1886 ret = kv_force_dpm_highest(adev); 1887 if (ret) 1888 return ret; 1889 } else if (level == AMD_DPM_FORCED_LEVEL_LOW) { 1890 ret = kv_force_dpm_lowest(adev); 1891 if (ret) 1892 return ret; 1893 } else if (level == AMD_DPM_FORCED_LEVEL_AUTO) { 1894 ret = kv_unforce_levels(adev); 1895 if (ret) 1896 return ret; 1897 } 1898 1899 adev->pm.dpm.forced_level = level; 1900 1901 return 0; 1902} 1903 1904static int kv_dpm_pre_set_power_state(void *handle) 1905{ 1906 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1907 struct kv_power_info *pi = kv_get_pi(adev); 1908 struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps; 1909 struct amdgpu_ps *new_ps = &requested_ps; 1910 1911 kv_update_requested_ps(adev, new_ps); 1912 1913 kv_apply_state_adjust_rules(adev, 1914 &pi->requested_rps, 1915 &pi->current_rps); 1916 1917 return 0; 1918} 1919 1920static int kv_dpm_set_power_state(void *handle) 1921{ 1922 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1923 struct kv_power_info *pi = kv_get_pi(adev); 1924 struct amdgpu_ps *new_ps = &pi->requested_rps; 1925 struct amdgpu_ps *old_ps = &pi->current_rps; 1926 int ret; 1927 1928 if (pi->bapm_enable) { 1929 ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power); 1930 if (ret) { 1931 DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n"); 1932 return ret; 1933 } 1934 } 1935 1936 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) { 1937 if (pi->enable_dpm) { 1938 kv_set_valid_clock_range(adev, new_ps); 1939 kv_update_dfs_bypass_settings(adev, new_ps); 1940 ret = kv_calculate_ds_divider(adev); 1941 if (ret) { 1942 DRM_ERROR("kv_calculate_ds_divider failed\n"); 1943 return ret; 1944 } 1945 kv_calculate_nbps_level_settings(adev); 1946 kv_calculate_dpm_settings(adev); 1947 kv_force_lowest_valid(adev); 1948 kv_enable_new_levels(adev); 1949 kv_upload_dpm_settings(adev); 1950 kv_program_nbps_index_settings(adev, new_ps); 1951 kv_unforce_levels(adev); 1952 kv_set_enabled_levels(adev); 1953 kv_force_lowest_valid(adev); 1954 kv_unforce_levels(adev); 1955 1956 ret = kv_update_vce_dpm(adev, new_ps, old_ps); 1957 if (ret) { 1958 DRM_ERROR("kv_update_vce_dpm failed\n"); 1959 return ret; 1960 } 1961 kv_update_sclk_t(adev); 1962 if (adev->asic_type == CHIP_MULLINS) 1963 kv_enable_nb_dpm(adev, true); 1964 } 1965 } else { 1966 if (pi->enable_dpm) { 1967 kv_set_valid_clock_range(adev, new_ps); 1968 kv_update_dfs_bypass_settings(adev, new_ps); 1969 ret = kv_calculate_ds_divider(adev); 1970 if (ret) { 1971 DRM_ERROR("kv_calculate_ds_divider failed\n"); 1972 return ret; 1973 } 1974 kv_calculate_nbps_level_settings(adev); 1975 kv_calculate_dpm_settings(adev); 1976 kv_freeze_sclk_dpm(adev, true); 1977 kv_upload_dpm_settings(adev); 1978 kv_program_nbps_index_settings(adev, new_ps); 1979 kv_freeze_sclk_dpm(adev, false); 1980 kv_set_enabled_levels(adev); 1981 ret = kv_update_vce_dpm(adev, new_ps, old_ps); 1982 if (ret) { 1983 DRM_ERROR("kv_update_vce_dpm failed\n"); 1984 return ret; 1985 } 1986 kv_update_acp_boot_level(adev); 1987 kv_update_sclk_t(adev); 1988 kv_enable_nb_dpm(adev, true); 1989 } 1990 } 1991 1992 return 0; 1993} 1994 1995static void kv_dpm_post_set_power_state(void *handle) 1996{ 1997 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1998 struct kv_power_info *pi = kv_get_pi(adev); 1999 struct amdgpu_ps *new_ps = &pi->requested_rps; 2000 2001 kv_update_current_ps(adev, new_ps); 2002} 2003 2004static void kv_dpm_setup_asic(struct amdgpu_device *adev) 2005{ 2006 sumo_take_smu_control(adev, true); 2007 kv_init_powergate_state(adev); 2008 kv_init_sclk_t(adev); 2009} 2010 2011#if 0 2012static void kv_dpm_reset_asic(struct amdgpu_device *adev) 2013{ 2014 struct kv_power_info *pi = kv_get_pi(adev); 2015 2016 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) { 2017 kv_force_lowest_valid(adev); 2018 kv_init_graphics_levels(adev); 2019 kv_program_bootup_state(adev); 2020 kv_upload_dpm_settings(adev); 2021 kv_force_lowest_valid(adev); 2022 kv_unforce_levels(adev); 2023 } else { 2024 kv_init_graphics_levels(adev); 2025 kv_program_bootup_state(adev); 2026 kv_freeze_sclk_dpm(adev, true); 2027 kv_upload_dpm_settings(adev); 2028 kv_freeze_sclk_dpm(adev, false); 2029 kv_set_enabled_level(adev, pi->graphics_boot_level); 2030 } 2031} 2032#endif 2033 2034static void kv_construct_max_power_limits_table(struct amdgpu_device *adev, 2035 struct amdgpu_clock_and_voltage_limits *table) 2036{ 2037 struct kv_power_info *pi = kv_get_pi(adev); 2038 2039 if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) { 2040 int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1; 2041 table->sclk = 2042 pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency; 2043 table->vddc = 2044 kv_convert_2bit_index_to_voltage(adev, 2045 pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit); 2046 } 2047 2048 table->mclk = pi->sys_info.nbp_memory_clock[0]; 2049} 2050 2051static void kv_patch_voltage_values(struct amdgpu_device *adev) 2052{ 2053 int i; 2054 struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table = 2055 &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; 2056 struct amdgpu_vce_clock_voltage_dependency_table *vce_table = 2057 &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; 2058 struct amdgpu_clock_voltage_dependency_table *samu_table = 2059 &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table; 2060 struct amdgpu_clock_voltage_dependency_table *acp_table = 2061 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table; 2062 2063 if (uvd_table->count) { 2064 for (i = 0; i < uvd_table->count; i++) 2065 uvd_table->entries[i].v = 2066 kv_convert_8bit_index_to_voltage(adev, 2067 uvd_table->entries[i].v); 2068 } 2069 2070 if (vce_table->count) { 2071 for (i = 0; i < vce_table->count; i++) 2072 vce_table->entries[i].v = 2073 kv_convert_8bit_index_to_voltage(adev, 2074 vce_table->entries[i].v); 2075 } 2076 2077 if (samu_table->count) { 2078 for (i = 0; i < samu_table->count; i++) 2079 samu_table->entries[i].v = 2080 kv_convert_8bit_index_to_voltage(adev, 2081 samu_table->entries[i].v); 2082 } 2083 2084 if (acp_table->count) { 2085 for (i = 0; i < acp_table->count; i++) 2086 acp_table->entries[i].v = 2087 kv_convert_8bit_index_to_voltage(adev, 2088 acp_table->entries[i].v); 2089 } 2090 2091} 2092 2093static void kv_construct_boot_state(struct amdgpu_device *adev) 2094{ 2095 struct kv_power_info *pi = kv_get_pi(adev); 2096 2097 pi->boot_pl.sclk = pi->sys_info.bootup_sclk; 2098 pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index; 2099 pi->boot_pl.ds_divider_index = 0; 2100 pi->boot_pl.ss_divider_index = 0; 2101 pi->boot_pl.allow_gnb_slow = 1; 2102 pi->boot_pl.force_nbp_state = 0; 2103 pi->boot_pl.display_wm = 0; 2104 pi->boot_pl.vce_wm = 0; 2105} 2106 2107static int kv_force_dpm_highest(struct amdgpu_device *adev) 2108{ 2109 int ret; 2110 u32 enable_mask, i; 2111 2112 ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask); 2113 if (ret) 2114 return ret; 2115 2116 for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) { 2117 if (enable_mask & (1 << i)) 2118 break; 2119 } 2120 2121 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) 2122 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i); 2123 else 2124 return kv_set_enabled_level(adev, i); 2125} 2126 2127static int kv_force_dpm_lowest(struct amdgpu_device *adev) 2128{ 2129 int ret; 2130 u32 enable_mask, i; 2131 2132 ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask); 2133 if (ret) 2134 return ret; 2135 2136 for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) { 2137 if (enable_mask & (1 << i)) 2138 break; 2139 } 2140 2141 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) 2142 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i); 2143 else 2144 return kv_set_enabled_level(adev, i); 2145} 2146 2147static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev, 2148 u32 sclk, u32 min_sclk_in_sr) 2149{ 2150 struct kv_power_info *pi = kv_get_pi(adev); 2151 u32 i; 2152 u32 temp; 2153 u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK); 2154 2155 if (sclk < min) 2156 return 0; 2157 2158 if (!pi->caps_sclk_ds) 2159 return 0; 2160 2161 for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) { 2162 temp = sclk >> i; 2163 if (temp >= min) 2164 break; 2165 } 2166 2167 return (u8)i; 2168} 2169 2170static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit) 2171{ 2172 struct kv_power_info *pi = kv_get_pi(adev); 2173 struct amdgpu_clock_voltage_dependency_table *table = 2174 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 2175 int i; 2176 2177 if (table && table->count) { 2178 for (i = table->count - 1; i >= 0; i--) { 2179 if (pi->high_voltage_t && 2180 (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <= 2181 pi->high_voltage_t)) { 2182 *limit = i; 2183 return 0; 2184 } 2185 } 2186 } else { 2187 struct sumo_sclk_voltage_mapping_table *table = 2188 &pi->sys_info.sclk_voltage_mapping_table; 2189 2190 for (i = table->num_max_dpm_entries - 1; i >= 0; i--) { 2191 if (pi->high_voltage_t && 2192 (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <= 2193 pi->high_voltage_t)) { 2194 *limit = i; 2195 return 0; 2196 } 2197 } 2198 } 2199 2200 *limit = 0; 2201 return 0; 2202} 2203 2204static void kv_apply_state_adjust_rules(struct amdgpu_device *adev, 2205 struct amdgpu_ps *new_rps, 2206 struct amdgpu_ps *old_rps) 2207{ 2208 struct kv_ps *ps = kv_get_ps(new_rps); 2209 struct kv_power_info *pi = kv_get_pi(adev); 2210 u32 min_sclk = 10000; /* ??? */ 2211 u32 sclk, mclk = 0; 2212 int i, limit; 2213 bool force_high; 2214 struct amdgpu_clock_voltage_dependency_table *table = 2215 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 2216 u32 stable_p_state_sclk = 0; 2217 struct amdgpu_clock_and_voltage_limits *max_limits = 2218 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac; 2219 2220 if (new_rps->vce_active) { 2221 new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk; 2222 new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk; 2223 } else { 2224 new_rps->evclk = 0; 2225 new_rps->ecclk = 0; 2226 } 2227 2228 mclk = max_limits->mclk; 2229 sclk = min_sclk; 2230 2231 if (pi->caps_stable_p_state) { 2232 stable_p_state_sclk = (max_limits->sclk * 75) / 100; 2233 2234 for (i = table->count - 1; i >= 0; i--) { 2235 if (stable_p_state_sclk >= table->entries[i].clk) { 2236 stable_p_state_sclk = table->entries[i].clk; 2237 break; 2238 } 2239 } 2240 2241 if (i > 0) 2242 stable_p_state_sclk = table->entries[0].clk; 2243 2244 sclk = stable_p_state_sclk; 2245 } 2246 2247 if (new_rps->vce_active) { 2248 if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk) 2249 sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk; 2250 } 2251 2252 ps->need_dfs_bypass = true; 2253 2254 for (i = 0; i < ps->num_levels; i++) { 2255 if (ps->levels[i].sclk < sclk) 2256 ps->levels[i].sclk = sclk; 2257 } 2258 2259 if (table && table->count) { 2260 for (i = 0; i < ps->num_levels; i++) { 2261 if (pi->high_voltage_t && 2262 (pi->high_voltage_t < 2263 kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) { 2264 kv_get_high_voltage_limit(adev, &limit); 2265 ps->levels[i].sclk = table->entries[limit].clk; 2266 } 2267 } 2268 } else { 2269 struct sumo_sclk_voltage_mapping_table *table = 2270 &pi->sys_info.sclk_voltage_mapping_table; 2271 2272 for (i = 0; i < ps->num_levels; i++) { 2273 if (pi->high_voltage_t && 2274 (pi->high_voltage_t < 2275 kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) { 2276 kv_get_high_voltage_limit(adev, &limit); 2277 ps->levels[i].sclk = table->entries[limit].sclk_frequency; 2278 } 2279 } 2280 } 2281 2282 if (pi->caps_stable_p_state) { 2283 for (i = 0; i < ps->num_levels; i++) { 2284 ps->levels[i].sclk = stable_p_state_sclk; 2285 } 2286 } 2287 2288 pi->video_start = new_rps->dclk || new_rps->vclk || 2289 new_rps->evclk || new_rps->ecclk; 2290 2291 if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 2292 ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) 2293 pi->battery_state = true; 2294 else 2295 pi->battery_state = false; 2296 2297 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) { 2298 ps->dpm0_pg_nb_ps_lo = 0x1; 2299 ps->dpm0_pg_nb_ps_hi = 0x0; 2300 ps->dpmx_nb_ps_lo = 0x1; 2301 ps->dpmx_nb_ps_hi = 0x0; 2302 } else { 2303 ps->dpm0_pg_nb_ps_lo = 0x3; 2304 ps->dpm0_pg_nb_ps_hi = 0x0; 2305 ps->dpmx_nb_ps_lo = 0x3; 2306 ps->dpmx_nb_ps_hi = 0x0; 2307 2308 if (pi->sys_info.nb_dpm_enable) { 2309 force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) || 2310 pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) || 2311 pi->disable_nb_ps3_in_battery; 2312 ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3; 2313 ps->dpm0_pg_nb_ps_hi = 0x2; 2314 ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3; 2315 ps->dpmx_nb_ps_hi = 0x2; 2316 } 2317 } 2318} 2319 2320static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev, 2321 u32 index, bool enable) 2322{ 2323 struct kv_power_info *pi = kv_get_pi(adev); 2324 2325 pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0; 2326} 2327 2328static int kv_calculate_ds_divider(struct amdgpu_device *adev) 2329{ 2330 struct kv_power_info *pi = kv_get_pi(adev); 2331 u32 sclk_in_sr = 10000; /* ??? */ 2332 u32 i; 2333 2334 if (pi->lowest_valid > pi->highest_valid) 2335 return -EINVAL; 2336 2337 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) { 2338 pi->graphics_level[i].DeepSleepDivId = 2339 kv_get_sleep_divider_id_from_clock(adev, 2340 be32_to_cpu(pi->graphics_level[i].SclkFrequency), 2341 sclk_in_sr); 2342 } 2343 return 0; 2344} 2345 2346static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev) 2347{ 2348 struct kv_power_info *pi = kv_get_pi(adev); 2349 u32 i; 2350 bool force_high; 2351 struct amdgpu_clock_and_voltage_limits *max_limits = 2352 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac; 2353 u32 mclk = max_limits->mclk; 2354 2355 if (pi->lowest_valid > pi->highest_valid) 2356 return -EINVAL; 2357 2358 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) { 2359 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) { 2360 pi->graphics_level[i].GnbSlow = 1; 2361 pi->graphics_level[i].ForceNbPs1 = 0; 2362 pi->graphics_level[i].UpH = 0; 2363 } 2364 2365 if (!pi->sys_info.nb_dpm_enable) 2366 return 0; 2367 2368 force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) || 2369 (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start); 2370 2371 if (force_high) { 2372 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) 2373 pi->graphics_level[i].GnbSlow = 0; 2374 } else { 2375 if (pi->battery_state) 2376 pi->graphics_level[0].ForceNbPs1 = 1; 2377 2378 pi->graphics_level[1].GnbSlow = 0; 2379 pi->graphics_level[2].GnbSlow = 0; 2380 pi->graphics_level[3].GnbSlow = 0; 2381 pi->graphics_level[4].GnbSlow = 0; 2382 } 2383 } else { 2384 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) { 2385 pi->graphics_level[i].GnbSlow = 1; 2386 pi->graphics_level[i].ForceNbPs1 = 0; 2387 pi->graphics_level[i].UpH = 0; 2388 } 2389 2390 if (pi->sys_info.nb_dpm_enable && pi->battery_state) { 2391 pi->graphics_level[pi->lowest_valid].UpH = 0x28; 2392 pi->graphics_level[pi->lowest_valid].GnbSlow = 0; 2393 if (pi->lowest_valid != pi->highest_valid) 2394 pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1; 2395 } 2396 } 2397 return 0; 2398} 2399 2400static int kv_calculate_dpm_settings(struct amdgpu_device *adev) 2401{ 2402 struct kv_power_info *pi = kv_get_pi(adev); 2403 u32 i; 2404 2405 if (pi->lowest_valid > pi->highest_valid) 2406 return -EINVAL; 2407 2408 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) 2409 pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0; 2410 2411 return 0; 2412} 2413 2414static void kv_init_graphics_levels(struct amdgpu_device *adev) 2415{ 2416 struct kv_power_info *pi = kv_get_pi(adev); 2417 u32 i; 2418 struct amdgpu_clock_voltage_dependency_table *table = 2419 &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; 2420 2421 if (table && table->count) { 2422 u32 vid_2bit; 2423 2424 pi->graphics_dpm_level_count = 0; 2425 for (i = 0; i < table->count; i++) { 2426 if (pi->high_voltage_t && 2427 (pi->high_voltage_t < 2428 kv_convert_8bit_index_to_voltage(adev, table->entries[i].v))) 2429 break; 2430 2431 kv_set_divider_value(adev, i, table->entries[i].clk); 2432 vid_2bit = kv_convert_vid7_to_vid2(adev, 2433 &pi->sys_info.vid_mapping_table, 2434 table->entries[i].v); 2435 kv_set_vid(adev, i, vid_2bit); 2436 kv_set_at(adev, i, pi->at[i]); 2437 kv_dpm_power_level_enabled_for_throttle(adev, i, true); 2438 pi->graphics_dpm_level_count++; 2439 } 2440 } else { 2441 struct sumo_sclk_voltage_mapping_table *table = 2442 &pi->sys_info.sclk_voltage_mapping_table; 2443 2444 pi->graphics_dpm_level_count = 0; 2445 for (i = 0; i < table->num_max_dpm_entries; i++) { 2446 if (pi->high_voltage_t && 2447 pi->high_voltage_t < 2448 kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit)) 2449 break; 2450 2451 kv_set_divider_value(adev, i, table->entries[i].sclk_frequency); 2452 kv_set_vid(adev, i, table->entries[i].vid_2bit); 2453 kv_set_at(adev, i, pi->at[i]); 2454 kv_dpm_power_level_enabled_for_throttle(adev, i, true); 2455 pi->graphics_dpm_level_count++; 2456 } 2457 } 2458 2459 for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) 2460 kv_dpm_power_level_enable(adev, i, false); 2461} 2462 2463static void kv_enable_new_levels(struct amdgpu_device *adev) 2464{ 2465 struct kv_power_info *pi = kv_get_pi(adev); 2466 u32 i; 2467 2468 for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) { 2469 if (i >= pi->lowest_valid && i <= pi->highest_valid) 2470 kv_dpm_power_level_enable(adev, i, true); 2471 } 2472} 2473 2474static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level) 2475{ 2476 u32 new_mask = (1 << level); 2477 2478 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, 2479 PPSMC_MSG_SCLKDPM_SetEnabledMask, 2480 new_mask); 2481} 2482 2483static int kv_set_enabled_levels(struct amdgpu_device *adev) 2484{ 2485 struct kv_power_info *pi = kv_get_pi(adev); 2486 u32 i, new_mask = 0; 2487 2488 for (i = pi->lowest_valid; i <= pi->highest_valid; i++) 2489 new_mask |= (1 << i); 2490 2491 return amdgpu_kv_send_msg_to_smc_with_parameter(adev, 2492 PPSMC_MSG_SCLKDPM_SetEnabledMask, 2493 new_mask); 2494} 2495 2496static void kv_program_nbps_index_settings(struct amdgpu_device *adev, 2497 struct amdgpu_ps *new_rps) 2498{ 2499 struct kv_ps *new_ps = kv_get_ps(new_rps); 2500 struct kv_power_info *pi = kv_get_pi(adev); 2501 u32 nbdpmconfig1; 2502 2503 if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) 2504 return; 2505 2506 if (pi->sys_info.nb_dpm_enable) { 2507 nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1); 2508 nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK | 2509 NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK | 2510 NB_DPM_CONFIG_1__DpmXNbPsLo_MASK | 2511 NB_DPM_CONFIG_1__DpmXNbPsHi_MASK); 2512 nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) | 2513 (new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) | 2514 (new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) | 2515 (new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT); 2516 WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1); 2517 } 2518} 2519 2520static int kv_set_thermal_temperature_range(struct amdgpu_device *adev, 2521 int min_temp, int max_temp) 2522{ 2523 int low_temp = 0 * 1000; 2524 int high_temp = 255 * 1000; 2525 u32 tmp; 2526 2527 if (low_temp < min_temp) 2528 low_temp = min_temp; 2529 if (high_temp > max_temp) 2530 high_temp = max_temp; 2531 if (high_temp < low_temp) { 2532 DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); 2533 return -EINVAL; 2534 } 2535 2536 tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL); 2537 tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK | 2538 CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK); 2539 tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) | 2540 ((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT); 2541 WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp); 2542 2543 adev->pm.dpm.thermal.min_temp = low_temp; 2544 adev->pm.dpm.thermal.max_temp = high_temp; 2545 2546 return 0; 2547} 2548 2549union igp_info { 2550 struct _ATOM_INTEGRATED_SYSTEM_INFO info; 2551 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2; 2552 struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5; 2553 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6; 2554 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7; 2555 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8; 2556}; 2557 2558static int kv_parse_sys_info_table(struct amdgpu_device *adev) 2559{ 2560 struct kv_power_info *pi = kv_get_pi(adev); 2561 struct amdgpu_mode_info *mode_info = &adev->mode_info; 2562 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); 2563 union igp_info *igp_info; 2564 u8 frev, crev; 2565 u16 data_offset; 2566 int i; 2567 2568 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 2569 &frev, &crev, &data_offset)) { 2570 igp_info = (union igp_info *)(mode_info->atom_context->bios + 2571 data_offset); 2572 2573 if (crev != 8) { 2574 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev); 2575 return -EINVAL; 2576 } 2577 pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock); 2578 pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock); 2579 pi->sys_info.bootup_nb_voltage_index = 2580 le16_to_cpu(igp_info->info_8.usBootUpNBVoltage); 2581 if (igp_info->info_8.ucHtcTmpLmt == 0) 2582 pi->sys_info.htc_tmp_lmt = 203; 2583 else 2584 pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt; 2585 if (igp_info->info_8.ucHtcHystLmt == 0) 2586 pi->sys_info.htc_hyst_lmt = 5; 2587 else 2588 pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt; 2589 if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) { 2590 DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n"); 2591 } 2592 2593 if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3)) 2594 pi->sys_info.nb_dpm_enable = true; 2595 else 2596 pi->sys_info.nb_dpm_enable = false; 2597 2598 for (i = 0; i < KV_NUM_NBPSTATES; i++) { 2599 pi->sys_info.nbp_memory_clock[i] = 2600 le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]); 2601 pi->sys_info.nbp_n_clock[i] = 2602 le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]); 2603 } 2604 if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) & 2605 SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS) 2606 pi->caps_enable_dfs_bypass = true; 2607 2608 sumo_construct_sclk_voltage_mapping_table(adev, 2609 &pi->sys_info.sclk_voltage_mapping_table, 2610 igp_info->info_8.sAvail_SCLK); 2611 2612 sumo_construct_vid_mapping_table(adev, 2613 &pi->sys_info.vid_mapping_table, 2614 igp_info->info_8.sAvail_SCLK); 2615 2616 kv_construct_max_power_limits_table(adev, 2617 &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac); 2618 } 2619 return 0; 2620} 2621 2622union power_info { 2623 struct _ATOM_POWERPLAY_INFO info; 2624 struct _ATOM_POWERPLAY_INFO_V2 info_2; 2625 struct _ATOM_POWERPLAY_INFO_V3 info_3; 2626 struct _ATOM_PPLIB_POWERPLAYTABLE pplib; 2627 struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; 2628 struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; 2629}; 2630 2631union pplib_clock_info { 2632 struct _ATOM_PPLIB_R600_CLOCK_INFO r600; 2633 struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; 2634 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; 2635 struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; 2636}; 2637 2638union pplib_power_state { 2639 struct _ATOM_PPLIB_STATE v1; 2640 struct _ATOM_PPLIB_STATE_V2 v2; 2641}; 2642 2643static void kv_patch_boot_state(struct amdgpu_device *adev, 2644 struct kv_ps *ps) 2645{ 2646 struct kv_power_info *pi = kv_get_pi(adev); 2647 2648 ps->num_levels = 1; 2649 ps->levels[0] = pi->boot_pl; 2650} 2651 2652static void kv_parse_pplib_non_clock_info(struct amdgpu_device *adev, 2653 struct amdgpu_ps *rps, 2654 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, 2655 u8 table_rev) 2656{ 2657 struct kv_ps *ps = kv_get_ps(rps); 2658 2659 rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); 2660 rps->class = le16_to_cpu(non_clock_info->usClassification); 2661 rps->class2 = le16_to_cpu(non_clock_info->usClassification2); 2662 2663 if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { 2664 rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); 2665 rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); 2666 } else { 2667 rps->vclk = 0; 2668 rps->dclk = 0; 2669 } 2670 2671 if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { 2672 adev->pm.dpm.boot_ps = rps; 2673 kv_patch_boot_state(adev, ps); 2674 } 2675 if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) 2676 adev->pm.dpm.uvd_ps = rps; 2677} 2678 2679static void kv_parse_pplib_clock_info(struct amdgpu_device *adev, 2680 struct amdgpu_ps *rps, int index, 2681 union pplib_clock_info *clock_info) 2682{ 2683 struct kv_power_info *pi = kv_get_pi(adev); 2684 struct kv_ps *ps = kv_get_ps(rps); 2685 struct kv_pl *pl = &ps->levels[index]; 2686 u32 sclk; 2687 2688 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 2689 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 2690 pl->sclk = sclk; 2691 pl->vddc_index = clock_info->sumo.vddcIndex; 2692 2693 ps->num_levels = index + 1; 2694 2695 if (pi->caps_sclk_ds) { 2696 pl->ds_divider_index = 5; 2697 pl->ss_divider_index = 5; 2698 } 2699} 2700 2701static int kv_parse_power_table(struct amdgpu_device *adev) 2702{ 2703 struct amdgpu_mode_info *mode_info = &adev->mode_info; 2704 struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; 2705 union pplib_power_state *power_state; 2706 int i, j, k, non_clock_array_index, clock_array_index; 2707 union pplib_clock_info *clock_info; 2708 struct _StateArray *state_array; 2709 struct _ClockInfoArray *clock_info_array; 2710 struct _NonClockInfoArray *non_clock_info_array; 2711 union power_info *power_info; 2712 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); 2713 u16 data_offset; 2714 u8 frev, crev; 2715 u8 *power_state_offset; 2716 struct kv_ps *ps; 2717 2718 if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, 2719 &frev, &crev, &data_offset)) 2720 return -EINVAL; 2721 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); 2722 2723 amdgpu_add_thermal_controller(adev); 2724 2725 state_array = (struct _StateArray *) 2726 (mode_info->atom_context->bios + data_offset + 2727 le16_to_cpu(power_info->pplib.usStateArrayOffset)); 2728 clock_info_array = (struct _ClockInfoArray *) 2729 (mode_info->atom_context->bios + data_offset + 2730 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); 2731 non_clock_info_array = (struct _NonClockInfoArray *) 2732 (mode_info->atom_context->bios + data_offset + 2733 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); 2734 2735 adev->pm.dpm.ps = kcalloc(state_array->ucNumEntries, 2736 sizeof(struct amdgpu_ps), 2737 GFP_KERNEL); 2738 if (!adev->pm.dpm.ps) 2739 return -ENOMEM; 2740 power_state_offset = (u8 *)state_array->states; 2741 for (i = 0; i < state_array->ucNumEntries; i++) { 2742 u8 *idx; 2743 power_state = (union pplib_power_state *)power_state_offset; 2744 non_clock_array_index = power_state->v2.nonClockInfoIndex; 2745 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) 2746 &non_clock_info_array->nonClockInfo[non_clock_array_index]; 2747 ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL); 2748 if (ps == NULL) { 2749 kfree(adev->pm.dpm.ps); 2750 return -ENOMEM; 2751 } 2752 adev->pm.dpm.ps[i].ps_priv = ps; 2753 k = 0; 2754 idx = (u8 *)&power_state->v2.clockInfoIndex[0]; 2755 for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { 2756 clock_array_index = idx[j]; 2757 if (clock_array_index >= clock_info_array->ucNumEntries) 2758 continue; 2759 if (k >= SUMO_MAX_HARDWARE_POWERLEVELS) 2760 break; 2761 clock_info = (union pplib_clock_info *) 2762 ((u8 *)&clock_info_array->clockInfo[0] + 2763 (clock_array_index * clock_info_array->ucEntrySize)); 2764 kv_parse_pplib_clock_info(adev, 2765 &adev->pm.dpm.ps[i], k, 2766 clock_info); 2767 k++; 2768 } 2769 kv_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i], 2770 non_clock_info, 2771 non_clock_info_array->ucEntrySize); 2772 power_state_offset += 2 + power_state->v2.ucNumDPMLevels; 2773 } 2774 adev->pm.dpm.num_ps = state_array->ucNumEntries; 2775 2776 /* fill in the vce power states */ 2777 for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) { 2778 u32 sclk; 2779 clock_array_index = adev->pm.dpm.vce_states[i].clk_idx; 2780 clock_info = (union pplib_clock_info *) 2781 &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize]; 2782 sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); 2783 sclk |= clock_info->sumo.ucEngineClockHigh << 16; 2784 adev->pm.dpm.vce_states[i].sclk = sclk; 2785 adev->pm.dpm.vce_states[i].mclk = 0; 2786 } 2787 2788 return 0; 2789} 2790 2791static int kv_dpm_init(struct amdgpu_device *adev) 2792{ 2793 struct kv_power_info *pi; 2794 int ret, i; 2795 2796 pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL); 2797 if (pi == NULL) 2798 return -ENOMEM; 2799 adev->pm.dpm.priv = pi; 2800 2801 ret = amdgpu_get_platform_caps(adev); 2802 if (ret) 2803 return ret; 2804 2805 ret = amdgpu_parse_extended_power_table(adev); 2806 if (ret) 2807 return ret; 2808 2809 for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) 2810 pi->at[i] = TRINITY_AT_DFLT; 2811 2812 pi->sram_end = SMC_RAM_END; 2813 2814 pi->enable_nb_dpm = true; 2815 2816 pi->caps_power_containment = true; 2817 pi->caps_cac = true; 2818 pi->enable_didt = false; 2819 if (pi->enable_didt) { 2820 pi->caps_sq_ramping = true; 2821 pi->caps_db_ramping = true; 2822 pi->caps_td_ramping = true; 2823 pi->caps_tcp_ramping = true; 2824 } 2825 2826 if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK) 2827 pi->caps_sclk_ds = true; 2828 else 2829 pi->caps_sclk_ds = false; 2830 2831 pi->enable_auto_thermal_throttling = true; 2832 pi->disable_nb_ps3_in_battery = false; 2833 if (amdgpu_bapm == 0) 2834 pi->bapm_enable = false; 2835 else 2836 pi->bapm_enable = true; 2837 pi->voltage_drop_t = 0; 2838 pi->caps_sclk_throttle_low_notification = false; 2839 pi->caps_fps = false; /* true? */ 2840 pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false; 2841 pi->caps_uvd_dpm = true; 2842 pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false; 2843 pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false; 2844 pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false; 2845 pi->caps_stable_p_state = false; 2846 2847 ret = kv_parse_sys_info_table(adev); 2848 if (ret) 2849 return ret; 2850 2851 kv_patch_voltage_values(adev); 2852 kv_construct_boot_state(adev); 2853 2854 ret = kv_parse_power_table(adev); 2855 if (ret) 2856 return ret; 2857 2858 pi->enable_dpm = true; 2859 2860 return 0; 2861} 2862 2863static void 2864kv_dpm_debugfs_print_current_performance_level(void *handle, 2865 struct seq_file *m) 2866{ 2867 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2868 struct kv_power_info *pi = kv_get_pi(adev); 2869 u32 current_index = 2870 (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & 2871 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> 2872 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; 2873 u32 sclk, tmp; 2874 u16 vddc; 2875 2876 if (current_index >= SMU__NUM_SCLK_DPM_STATE) { 2877 seq_printf(m, "invalid dpm profile %d\n", current_index); 2878 } else { 2879 sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency); 2880 tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) & 2881 SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >> 2882 SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT; 2883 vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp); 2884 seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en"); 2885 seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en"); 2886 seq_printf(m, "power level %d sclk: %u vddc: %u\n", 2887 current_index, sclk, vddc); 2888 } 2889} 2890 2891static void 2892kv_dpm_print_power_state(void *handle, void *request_ps) 2893{ 2894 int i; 2895 struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps; 2896 struct kv_ps *ps = kv_get_ps(rps); 2897 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2898 2899 amdgpu_dpm_print_class_info(rps->class, rps->class2); 2900 amdgpu_dpm_print_cap_info(rps->caps); 2901 printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); 2902 for (i = 0; i < ps->num_levels; i++) { 2903 struct kv_pl *pl = &ps->levels[i]; 2904 printk("\t\tpower level %d sclk: %u vddc: %u\n", 2905 i, pl->sclk, 2906 kv_convert_8bit_index_to_voltage(adev, pl->vddc_index)); 2907 } 2908 amdgpu_dpm_print_ps_status(adev, rps); 2909} 2910 2911static void kv_dpm_fini(struct amdgpu_device *adev) 2912{ 2913 int i; 2914 2915 for (i = 0; i < adev->pm.dpm.num_ps; i++) { 2916 kfree(adev->pm.dpm.ps[i].ps_priv); 2917 } 2918 kfree(adev->pm.dpm.ps); 2919 kfree(adev->pm.dpm.priv); 2920 amdgpu_free_extended_power_table(adev); 2921} 2922 2923static void kv_dpm_display_configuration_changed(void *handle) 2924{ 2925 2926} 2927 2928static u32 kv_dpm_get_sclk(void *handle, bool low) 2929{ 2930 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2931 struct kv_power_info *pi = kv_get_pi(adev); 2932 struct kv_ps *requested_state = kv_get_ps(&pi->requested_rps); 2933 2934 if (low) 2935 return requested_state->levels[0].sclk; 2936 else 2937 return requested_state->levels[requested_state->num_levels - 1].sclk; 2938} 2939 2940static u32 kv_dpm_get_mclk(void *handle, bool low) 2941{ 2942 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2943 struct kv_power_info *pi = kv_get_pi(adev); 2944 2945 return pi->sys_info.bootup_uma_clk; 2946} 2947 2948/* get temperature in millidegrees */ 2949static int kv_dpm_get_temp(void *handle) 2950{ 2951 u32 temp; 2952 int actual_temp = 0; 2953 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2954 2955 temp = RREG32_SMC(0xC0300E0C); 2956 2957 if (temp) 2958 actual_temp = (temp / 8) - 49; 2959 else 2960 actual_temp = 0; 2961 2962 actual_temp = actual_temp * 1000; 2963 2964 return actual_temp; 2965} 2966 2967static int kv_dpm_early_init(void *handle) 2968{ 2969 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2970 2971 adev->powerplay.pp_funcs = &kv_dpm_funcs; 2972 adev->powerplay.pp_handle = adev; 2973 kv_dpm_set_irq_funcs(adev); 2974 2975 return 0; 2976} 2977 2978static int kv_dpm_late_init(void *handle) 2979{ 2980 /* powerdown unused blocks for now */ 2981 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2982 2983 if (!adev->pm.dpm_enabled) 2984 return 0; 2985 2986 kv_dpm_powergate_acp(adev, true); 2987 kv_dpm_powergate_samu(adev, true); 2988 2989 return 0; 2990} 2991 2992static int kv_dpm_sw_init(void *handle) 2993{ 2994 int ret; 2995 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2996 2997 ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 230, 2998 &adev->pm.dpm.thermal.irq); 2999 if (ret) 3000 return ret; 3001 3002 ret = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 231, 3003 &adev->pm.dpm.thermal.irq); 3004 if (ret) 3005 return ret; 3006 3007 /* default to balanced state */ 3008 adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED; 3009 adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED; 3010 adev->pm.dpm.forced_level = AMD_DPM_FORCED_LEVEL_AUTO; 3011 adev->pm.default_sclk = adev->clock.default_sclk; 3012 adev->pm.default_mclk = adev->clock.default_mclk; 3013 adev->pm.current_sclk = adev->clock.default_sclk; 3014 adev->pm.current_mclk = adev->clock.default_mclk; 3015 adev->pm.int_thermal_type = THERMAL_TYPE_NONE; 3016 3017 if (amdgpu_dpm == 0) 3018 return 0; 3019 3020 INIT_WORK(&adev->pm.dpm.thermal.work, amdgpu_dpm_thermal_work_handler); 3021 mutex_lock(&adev->pm.mutex); 3022 ret = kv_dpm_init(adev); 3023 if (ret) 3024 goto dpm_failed; 3025 adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps; 3026 if (amdgpu_dpm == 1) 3027 amdgpu_pm_print_power_states(adev); 3028 mutex_unlock(&adev->pm.mutex); 3029 DRM_INFO("amdgpu: dpm initialized\n"); 3030 3031 return 0; 3032 3033dpm_failed: 3034 kv_dpm_fini(adev); 3035 mutex_unlock(&adev->pm.mutex); 3036 DRM_ERROR("amdgpu: dpm initialization failed\n"); 3037 return ret; 3038} 3039 3040static int kv_dpm_sw_fini(void *handle) 3041{ 3042 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3043 3044 flush_work(&adev->pm.dpm.thermal.work); 3045 3046 mutex_lock(&adev->pm.mutex); 3047 kv_dpm_fini(adev); 3048 mutex_unlock(&adev->pm.mutex); 3049 3050 return 0; 3051} 3052 3053static int kv_dpm_hw_init(void *handle) 3054{ 3055 int ret; 3056 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3057 3058 if (!amdgpu_dpm) 3059 return 0; 3060 3061 mutex_lock(&adev->pm.mutex); 3062 kv_dpm_setup_asic(adev); 3063 ret = kv_dpm_enable(adev); 3064 if (ret) 3065 adev->pm.dpm_enabled = false; 3066 else 3067 adev->pm.dpm_enabled = true; 3068 mutex_unlock(&adev->pm.mutex); 3069 amdgpu_pm_compute_clocks(adev); 3070 return ret; 3071} 3072 3073static int kv_dpm_hw_fini(void *handle) 3074{ 3075 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3076 3077 if (adev->pm.dpm_enabled) { 3078 mutex_lock(&adev->pm.mutex); 3079 kv_dpm_disable(adev); 3080 mutex_unlock(&adev->pm.mutex); 3081 } 3082 3083 return 0; 3084} 3085 3086static int kv_dpm_suspend(void *handle) 3087{ 3088 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3089 3090 if (adev->pm.dpm_enabled) { 3091 mutex_lock(&adev->pm.mutex); 3092 /* disable dpm */ 3093 kv_dpm_disable(adev); 3094 /* reset the power state */ 3095 adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps; 3096 mutex_unlock(&adev->pm.mutex); 3097 } 3098 return 0; 3099} 3100 3101static int kv_dpm_resume(void *handle) 3102{ 3103 int ret; 3104 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3105 3106 if (adev->pm.dpm_enabled) { 3107 /* asic init will reset to the boot state */ 3108 mutex_lock(&adev->pm.mutex); 3109 kv_dpm_setup_asic(adev); 3110 ret = kv_dpm_enable(adev); 3111 if (ret) 3112 adev->pm.dpm_enabled = false; 3113 else 3114 adev->pm.dpm_enabled = true; 3115 mutex_unlock(&adev->pm.mutex); 3116 if (adev->pm.dpm_enabled) 3117 amdgpu_pm_compute_clocks(adev); 3118 } 3119 return 0; 3120} 3121 3122static bool kv_dpm_is_idle(void *handle) 3123{ 3124 return true; 3125} 3126 3127static int kv_dpm_wait_for_idle(void *handle) 3128{ 3129 return 0; 3130} 3131 3132 3133static int kv_dpm_soft_reset(void *handle) 3134{ 3135 return 0; 3136} 3137 3138static int kv_dpm_set_interrupt_state(struct amdgpu_device *adev, 3139 struct amdgpu_irq_src *src, 3140 unsigned type, 3141 enum amdgpu_interrupt_state state) 3142{ 3143 u32 cg_thermal_int; 3144 3145 switch (type) { 3146 case AMDGPU_THERMAL_IRQ_LOW_TO_HIGH: 3147 switch (state) { 3148 case AMDGPU_IRQ_STATE_DISABLE: 3149 cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL); 3150 cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; 3151 WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int); 3152 break; 3153 case AMDGPU_IRQ_STATE_ENABLE: 3154 cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL); 3155 cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; 3156 WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int); 3157 break; 3158 default: 3159 break; 3160 } 3161 break; 3162 3163 case AMDGPU_THERMAL_IRQ_HIGH_TO_LOW: 3164 switch (state) { 3165 case AMDGPU_IRQ_STATE_DISABLE: 3166 cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL); 3167 cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; 3168 WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int); 3169 break; 3170 case AMDGPU_IRQ_STATE_ENABLE: 3171 cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT_CTRL); 3172 cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; 3173 WREG32_SMC(ixCG_THERMAL_INT_CTRL, cg_thermal_int); 3174 break; 3175 default: 3176 break; 3177 } 3178 break; 3179 3180 default: 3181 break; 3182 } 3183 return 0; 3184} 3185 3186static int kv_dpm_process_interrupt(struct amdgpu_device *adev, 3187 struct amdgpu_irq_src *source, 3188 struct amdgpu_iv_entry *entry) 3189{ 3190 bool queue_thermal = false; 3191 3192 if (entry == NULL) 3193 return -EINVAL; 3194 3195 switch (entry->src_id) { 3196 case 230: /* thermal low to high */ 3197 DRM_DEBUG("IH: thermal low to high\n"); 3198 adev->pm.dpm.thermal.high_to_low = false; 3199 queue_thermal = true; 3200 break; 3201 case 231: /* thermal high to low */ 3202 DRM_DEBUG("IH: thermal high to low\n"); 3203 adev->pm.dpm.thermal.high_to_low = true; 3204 queue_thermal = true; 3205 break; 3206 default: 3207 break; 3208 } 3209 3210 if (queue_thermal) 3211 schedule_work(&adev->pm.dpm.thermal.work); 3212 3213 return 0; 3214} 3215 3216static int kv_dpm_set_clockgating_state(void *handle, 3217 enum amd_clockgating_state state) 3218{ 3219 return 0; 3220} 3221 3222static int kv_dpm_set_powergating_state(void *handle, 3223 enum amd_powergating_state state) 3224{ 3225 return 0; 3226} 3227 3228static inline bool kv_are_power_levels_equal(const struct kv_pl *kv_cpl1, 3229 const struct kv_pl *kv_cpl2) 3230{ 3231 return ((kv_cpl1->sclk == kv_cpl2->sclk) && 3232 (kv_cpl1->vddc_index == kv_cpl2->vddc_index) && 3233 (kv_cpl1->ds_divider_index == kv_cpl2->ds_divider_index) && 3234 (kv_cpl1->force_nbp_state == kv_cpl2->force_nbp_state)); 3235} 3236 3237static int kv_check_state_equal(void *handle, 3238 void *current_ps, 3239 void *request_ps, 3240 bool *equal) 3241{ 3242 struct kv_ps *kv_cps; 3243 struct kv_ps *kv_rps; 3244 int i; 3245 struct amdgpu_ps *cps = (struct amdgpu_ps *)current_ps; 3246 struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps; 3247 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3248 3249 if (adev == NULL || cps == NULL || rps == NULL || equal == NULL) 3250 return -EINVAL; 3251 3252 kv_cps = kv_get_ps(cps); 3253 kv_rps = kv_get_ps(rps); 3254 3255 if (kv_cps == NULL) { 3256 *equal = false; 3257 return 0; 3258 } 3259 3260 if (kv_cps->num_levels != kv_rps->num_levels) { 3261 *equal = false; 3262 return 0; 3263 } 3264 3265 for (i = 0; i < kv_cps->num_levels; i++) { 3266 if (!kv_are_power_levels_equal(&(kv_cps->levels[i]), 3267 &(kv_rps->levels[i]))) { 3268 *equal = false; 3269 return 0; 3270 } 3271 } 3272 3273 /* If all performance levels are the same try to use the UVD clocks to break the tie.*/ 3274 *equal = ((cps->vclk == rps->vclk) && (cps->dclk == rps->dclk)); 3275 *equal &= ((cps->evclk == rps->evclk) && (cps->ecclk == rps->ecclk)); 3276 3277 return 0; 3278} 3279 3280static int kv_dpm_read_sensor(void *handle, int idx, 3281 void *value, int *size) 3282{ 3283 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 3284 struct kv_power_info *pi = kv_get_pi(adev); 3285 uint32_t sclk; 3286 u32 pl_index = 3287 (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & 3288 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> 3289 TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; 3290 3291 /* size must be at least 4 bytes for all sensors */ 3292 if (*size < 4) 3293 return -EINVAL; 3294 3295 switch (idx) { 3296 case AMDGPU_PP_SENSOR_GFX_SCLK: 3297 if (pl_index < SMU__NUM_SCLK_DPM_STATE) { 3298 sclk = be32_to_cpu( 3299 pi->graphics_level[pl_index].SclkFrequency); 3300 *((uint32_t *)value) = sclk; 3301 *size = 4; 3302 return 0; 3303 } 3304 return -EINVAL; 3305 case AMDGPU_PP_SENSOR_GPU_TEMP: 3306 *((uint32_t *)value) = kv_dpm_get_temp(adev); 3307 *size = 4; 3308 return 0; 3309 default: 3310 return -EINVAL; 3311 } 3312} 3313 3314static int kv_set_powergating_by_smu(void *handle, 3315 uint32_t block_type, bool gate) 3316{ 3317 switch (block_type) { 3318 case AMD_IP_BLOCK_TYPE_UVD: 3319 kv_dpm_powergate_uvd(handle, gate); 3320 break; 3321 case AMD_IP_BLOCK_TYPE_VCE: 3322 kv_dpm_powergate_vce(handle, gate); 3323 break; 3324 default: 3325 break; 3326 } 3327 return 0; 3328} 3329 3330static const struct amd_ip_funcs kv_dpm_ip_funcs = { 3331 .name = "kv_dpm", 3332 .early_init = kv_dpm_early_init, 3333 .late_init = kv_dpm_late_init, 3334 .sw_init = kv_dpm_sw_init, 3335 .sw_fini = kv_dpm_sw_fini, 3336 .hw_init = kv_dpm_hw_init, 3337 .hw_fini = kv_dpm_hw_fini, 3338 .suspend = kv_dpm_suspend, 3339 .resume = kv_dpm_resume, 3340 .is_idle = kv_dpm_is_idle, 3341 .wait_for_idle = kv_dpm_wait_for_idle, 3342 .soft_reset = kv_dpm_soft_reset, 3343 .set_clockgating_state = kv_dpm_set_clockgating_state, 3344 .set_powergating_state = kv_dpm_set_powergating_state, 3345}; 3346 3347const struct amdgpu_ip_block_version kv_smu_ip_block = 3348{ 3349 .type = AMD_IP_BLOCK_TYPE_SMC, 3350 .major = 1, 3351 .minor = 0, 3352 .rev = 0, 3353 .funcs = &kv_dpm_ip_funcs, 3354}; 3355 3356static const struct amd_pm_funcs kv_dpm_funcs = { 3357 .pre_set_power_state = &kv_dpm_pre_set_power_state, 3358 .set_power_state = &kv_dpm_set_power_state, 3359 .post_set_power_state = &kv_dpm_post_set_power_state, 3360 .display_configuration_changed = &kv_dpm_display_configuration_changed, 3361 .get_sclk = &kv_dpm_get_sclk, 3362 .get_mclk = &kv_dpm_get_mclk, 3363 .print_power_state = &kv_dpm_print_power_state, 3364 .debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level, 3365 .force_performance_level = &kv_dpm_force_performance_level, 3366 .set_powergating_by_smu = kv_set_powergating_by_smu, 3367 .enable_bapm = &kv_dpm_enable_bapm, 3368 .get_vce_clock_state = amdgpu_get_vce_clock_state, 3369 .check_state_equal = kv_check_state_equal, 3370 .read_sensor = &kv_dpm_read_sensor, 3371}; 3372 3373static const struct amdgpu_irq_src_funcs kv_dpm_irq_funcs = { 3374 .set = kv_dpm_set_interrupt_state, 3375 .process = kv_dpm_process_interrupt, 3376}; 3377 3378static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev) 3379{ 3380 adev->pm.dpm.thermal.irq.num_types = AMDGPU_THERMAL_IRQ_LAST; 3381 adev->pm.dpm.thermal.irq.funcs = &kv_dpm_irq_funcs; 3382}