1 /* 2 * Copyright 2018 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 #include "amdgpu.h" 24 #include "df_v3_6.h" 25 26 #include "df/df_3_6_default.h" 27 #include "df/df_3_6_offset.h" 28 #include "df/df_3_6_sh_mask.h" 29 30 #define DF_3_6_SMN_REG_INST_DIST 0x8 31 #define DF_3_6_INST_CNT 8 32 33 /* Defined in global_features.h as FTI_PERFMON_VISIBLE */ 34 #define DF_V3_6_MAX_COUNTERS 4 35 36 /* get flags from df perfmon config */ 37 #define DF_V3_6_GET_EVENT(x) (x & 0xFFUL) 38 #define DF_V3_6_GET_INSTANCE(x) ((x >> 8) & 0xFFUL) 39 #define DF_V3_6_GET_UNITMASK(x) ((x >> 16) & 0xFFUL) 40 #define DF_V3_6_PERFMON_OVERFLOW 0xFFFFFFFFFFFFULL 41 42 static u32 df_v3_6_channel_number[] = {1, 2, 0, 4, 0, 8, 0, 43 16, 32, 0, 0, 0, 2, 4, 8}; 44 45 static uint64_t df_v3_6_get_fica(struct amdgpu_device *adev, 46 uint32_t ficaa_val) 47 { 48 unsigned long flags, address, data; 49 uint32_t ficadl_val, ficadh_val; 50 51 address = adev->nbio.funcs->get_pcie_index_offset(adev); 52 data = adev->nbio.funcs->get_pcie_data_offset(adev); 53 54 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 55 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessAddress3); 56 WREG32(data, ficaa_val); 57 58 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessDataLo3); 59 ficadl_val = RREG32(data); 60 61 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessDataHi3); 62 ficadh_val = RREG32(data); 63 64 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 65 66 return (((ficadh_val & 0xFFFFFFFFFFFFFFFF) << 32) | ficadl_val); 67 } 68 69 static void df_v3_6_set_fica(struct amdgpu_device *adev, uint32_t ficaa_val, 70 uint32_t ficadl_val, uint32_t ficadh_val) 71 { 72 unsigned long flags, address, data; 73 74 address = adev->nbio.funcs->get_pcie_index_offset(adev); 75 data = adev->nbio.funcs->get_pcie_data_offset(adev); 76 77 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 78 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessAddress3); 79 WREG32(data, ficaa_val); 80 81 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessDataLo3); 82 WREG32(data, ficadl_val); 83 84 WREG32(address, smnDF_PIE_AON_FabricIndirectConfigAccessDataHi3); 85 WREG32(data, ficadh_val); 86 87 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 88 } 89 90 /* 91 * df_v3_6_perfmon_rreg - read perfmon lo and hi 92 * 93 * required to be atomic. no mmio method provided so subsequent reads for lo 94 * and hi require to preserve df finite state machine 95 */ 96 static void df_v3_6_perfmon_rreg(struct amdgpu_device *adev, 97 uint32_t lo_addr, uint32_t *lo_val, 98 uint32_t hi_addr, uint32_t *hi_val) 99 { 100 unsigned long flags, address, data; 101 102 address = adev->nbio.funcs->get_pcie_index_offset(adev); 103 data = adev->nbio.funcs->get_pcie_data_offset(adev); 104 105 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 106 WREG32(address, lo_addr); 107 *lo_val = RREG32(data); 108 WREG32(address, hi_addr); 109 *hi_val = RREG32(data); 110 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 111 } 112 113 /* 114 * df_v3_6_perfmon_wreg - write to perfmon lo and hi 115 * 116 * required to be atomic. no mmio method provided so subsequent reads after 117 * data writes cannot occur to preserve data fabrics finite state machine. 118 */ 119 static void df_v3_6_perfmon_wreg(struct amdgpu_device *adev, uint32_t lo_addr, 120 uint32_t lo_val, uint32_t hi_addr, uint32_t hi_val) 121 { 122 unsigned long flags, address, data; 123 124 address = adev->nbio.funcs->get_pcie_index_offset(adev); 125 data = adev->nbio.funcs->get_pcie_data_offset(adev); 126 127 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 128 WREG32(address, lo_addr); 129 WREG32(data, lo_val); 130 WREG32(address, hi_addr); 131 WREG32(data, hi_val); 132 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 133 } 134 135 /* same as perfmon_wreg but return status on write value check */ 136 static int df_v3_6_perfmon_arm_with_status(struct amdgpu_device *adev, 137 uint32_t lo_addr, uint32_t lo_val, 138 uint32_t hi_addr, uint32_t hi_val) 139 { 140 unsigned long flags, address, data; 141 uint32_t lo_val_rb, hi_val_rb; 142 143 address = adev->nbio.funcs->get_pcie_index_offset(adev); 144 data = adev->nbio.funcs->get_pcie_data_offset(adev); 145 146 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 147 WREG32(address, lo_addr); 148 WREG32(data, lo_val); 149 WREG32(address, hi_addr); 150 WREG32(data, hi_val); 151 152 WREG32(address, lo_addr); 153 lo_val_rb = RREG32(data); 154 WREG32(address, hi_addr); 155 hi_val_rb = RREG32(data); 156 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 157 158 if (!(lo_val == lo_val_rb && hi_val == hi_val_rb)) 159 return -EBUSY; 160 161 return 0; 162 } 163 164 165 /* 166 * retry arming counters every 100 usecs within 1 millisecond interval. 167 * if retry fails after time out, return error. 168 */ 169 #define ARM_RETRY_USEC_TIMEOUT 1000 170 #define ARM_RETRY_USEC_INTERVAL 100 171 static int df_v3_6_perfmon_arm_with_retry(struct amdgpu_device *adev, 172 uint32_t lo_addr, uint32_t lo_val, 173 uint32_t hi_addr, uint32_t hi_val) 174 { 175 int countdown = ARM_RETRY_USEC_TIMEOUT; 176 177 while (countdown) { 178 179 if (!df_v3_6_perfmon_arm_with_status(adev, lo_addr, lo_val, 180 hi_addr, hi_val)) 181 break; 182 183 countdown -= ARM_RETRY_USEC_INTERVAL; 184 udelay(ARM_RETRY_USEC_INTERVAL); 185 } 186 187 return countdown > 0 ? 0 : -ETIME; 188 } 189 190 /* get the number of df counters available */ 191 static ssize_t df_v3_6_get_df_cntr_avail(struct device *dev, 192 struct device_attribute *attr, 193 char *buf) 194 { 195 struct amdgpu_device *adev; 196 struct drm_device *ddev; 197 int i, count; 198 199 ddev = dev_get_drvdata(dev); 200 adev = drm_to_adev(ddev); 201 count = 0; 202 203 for (i = 0; i < DF_V3_6_MAX_COUNTERS; i++) { 204 if (adev->df_perfmon_config_assign_mask[i] == 0) 205 count++; 206 } 207 208 return sysfs_emit(buf, "%i\n", count); 209 } 210 211 /* device attr for available perfmon counters */ 212 static DEVICE_ATTR(df_cntr_avail, S_IRUGO, df_v3_6_get_df_cntr_avail, NULL); 213 214 static void df_v3_6_query_hashes(struct amdgpu_device *adev) 215 { 216 u32 tmp; 217 218 adev->df.hash_status.hash_64k = false; 219 adev->df.hash_status.hash_2m = false; 220 adev->df.hash_status.hash_1g = false; 221 222 if (adev->asic_type != CHIP_ARCTURUS) 223 return; 224 225 /* encoding for hash-enabled on Arcturus */ 226 if (adev->df.funcs->get_fb_channel_number(adev) == 0xe) { 227 tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DfGlobalCtrl); 228 adev->df.hash_status.hash_64k = REG_GET_FIELD(tmp, 229 DF_CS_UMC_AON0_DfGlobalCtrl, 230 GlbHashIntlvCtl64K); 231 adev->df.hash_status.hash_2m = REG_GET_FIELD(tmp, 232 DF_CS_UMC_AON0_DfGlobalCtrl, 233 GlbHashIntlvCtl2M); 234 adev->df.hash_status.hash_1g = REG_GET_FIELD(tmp, 235 DF_CS_UMC_AON0_DfGlobalCtrl, 236 GlbHashIntlvCtl1G); 237 } 238 } 239 240 /* init perfmons */ 241 static void df_v3_6_sw_init(struct amdgpu_device *adev) 242 { 243 int i, ret; 244 245 ret = device_create_file(adev->dev, &dev_attr_df_cntr_avail); 246 if (ret) 247 DRM_ERROR("failed to create file for available df counters\n"); 248 249 for (i = 0; i < AMDGPU_MAX_DF_PERFMONS; i++) 250 adev->df_perfmon_config_assign_mask[i] = 0; 251 252 df_v3_6_query_hashes(adev); 253 } 254 255 static void df_v3_6_sw_fini(struct amdgpu_device *adev) 256 { 257 258 device_remove_file(adev->dev, &dev_attr_df_cntr_avail); 259 260 } 261 262 static void df_v3_6_enable_broadcast_mode(struct amdgpu_device *adev, 263 bool enable) 264 { 265 u32 tmp; 266 267 if (enable) { 268 tmp = RREG32_SOC15(DF, 0, mmFabricConfigAccessControl); 269 tmp &= ~FabricConfigAccessControl__CfgRegInstAccEn_MASK; 270 WREG32_SOC15(DF, 0, mmFabricConfigAccessControl, tmp); 271 } else 272 WREG32_SOC15(DF, 0, mmFabricConfigAccessControl, 273 mmFabricConfigAccessControl_DEFAULT); 274 } 275 276 static u32 df_v3_6_get_fb_channel_number(struct amdgpu_device *adev) 277 { 278 u32 tmp; 279 280 tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DramBaseAddress0); 281 tmp &= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK; 282 tmp >>= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; 283 284 return tmp; 285 } 286 287 static u32 df_v3_6_get_hbm_channel_number(struct amdgpu_device *adev) 288 { 289 int fb_channel_number; 290 291 fb_channel_number = adev->df.funcs->get_fb_channel_number(adev); 292 if (fb_channel_number >= ARRAY_SIZE(df_v3_6_channel_number)) 293 fb_channel_number = 0; 294 295 return df_v3_6_channel_number[fb_channel_number]; 296 } 297 298 static void df_v3_6_update_medium_grain_clock_gating(struct amdgpu_device *adev, 299 bool enable) 300 { 301 u32 tmp; 302 303 if (adev->cg_flags & AMD_CG_SUPPORT_DF_MGCG) { 304 /* Put DF on broadcast mode */ 305 adev->df.funcs->enable_broadcast_mode(adev, true); 306 307 if (enable) { 308 tmp = RREG32_SOC15(DF, 0, 309 mmDF_PIE_AON0_DfGlobalClkGater); 310 tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; 311 tmp |= DF_V3_6_MGCG_ENABLE_15_CYCLE_DELAY; 312 WREG32_SOC15(DF, 0, 313 mmDF_PIE_AON0_DfGlobalClkGater, tmp); 314 } else { 315 tmp = RREG32_SOC15(DF, 0, 316 mmDF_PIE_AON0_DfGlobalClkGater); 317 tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; 318 tmp |= DF_V3_6_MGCG_DISABLE; 319 WREG32_SOC15(DF, 0, 320 mmDF_PIE_AON0_DfGlobalClkGater, tmp); 321 } 322 323 /* Exit broadcast mode */ 324 adev->df.funcs->enable_broadcast_mode(adev, false); 325 } 326 } 327 328 static void df_v3_6_get_clockgating_state(struct amdgpu_device *adev, 329 u32 *flags) 330 { 331 u32 tmp; 332 333 /* AMD_CG_SUPPORT_DF_MGCG */ 334 tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater); 335 if (tmp & DF_V3_6_MGCG_ENABLE_15_CYCLE_DELAY) 336 *flags |= AMD_CG_SUPPORT_DF_MGCG; 337 } 338 339 /* get assigned df perfmon ctr as int */ 340 static bool df_v3_6_pmc_has_counter(struct amdgpu_device *adev, 341 uint64_t config, 342 int counter_idx) 343 { 344 345 return ((config & 0x0FFFFFFUL) == 346 adev->df_perfmon_config_assign_mask[counter_idx]); 347 348 } 349 350 /* get address based on counter assignment */ 351 static void df_v3_6_pmc_get_addr(struct amdgpu_device *adev, 352 uint64_t config, 353 int counter_idx, 354 int is_ctrl, 355 uint32_t *lo_base_addr, 356 uint32_t *hi_base_addr) 357 { 358 if (!df_v3_6_pmc_has_counter(adev, config, counter_idx)) 359 return; 360 361 switch (counter_idx) { 362 363 case 0: 364 *lo_base_addr = is_ctrl ? smnPerfMonCtlLo4 : smnPerfMonCtrLo4; 365 *hi_base_addr = is_ctrl ? smnPerfMonCtlHi4 : smnPerfMonCtrHi4; 366 break; 367 case 1: 368 *lo_base_addr = is_ctrl ? smnPerfMonCtlLo5 : smnPerfMonCtrLo5; 369 *hi_base_addr = is_ctrl ? smnPerfMonCtlHi5 : smnPerfMonCtrHi5; 370 break; 371 case 2: 372 *lo_base_addr = is_ctrl ? smnPerfMonCtlLo6 : smnPerfMonCtrLo6; 373 *hi_base_addr = is_ctrl ? smnPerfMonCtlHi6 : smnPerfMonCtrHi6; 374 break; 375 case 3: 376 *lo_base_addr = is_ctrl ? smnPerfMonCtlLo7 : smnPerfMonCtrLo7; 377 *hi_base_addr = is_ctrl ? smnPerfMonCtlHi7 : smnPerfMonCtrHi7; 378 break; 379 380 } 381 382 } 383 384 /* get read counter address */ 385 static void df_v3_6_pmc_get_read_settings(struct amdgpu_device *adev, 386 uint64_t config, 387 int counter_idx, 388 uint32_t *lo_base_addr, 389 uint32_t *hi_base_addr) 390 { 391 df_v3_6_pmc_get_addr(adev, config, counter_idx, 0, lo_base_addr, 392 hi_base_addr); 393 } 394 395 /* get control counter settings i.e. address and values to set */ 396 static int df_v3_6_pmc_get_ctrl_settings(struct amdgpu_device *adev, 397 uint64_t config, 398 int counter_idx, 399 uint32_t *lo_base_addr, 400 uint32_t *hi_base_addr, 401 uint32_t *lo_val, 402 uint32_t *hi_val, 403 bool is_enable) 404 { 405 406 uint32_t eventsel, instance, unitmask; 407 uint32_t instance_10, instance_5432, instance_76; 408 409 df_v3_6_pmc_get_addr(adev, config, counter_idx, 1, lo_base_addr, 410 hi_base_addr); 411 412 if ((*lo_base_addr == 0) || (*hi_base_addr == 0)) { 413 DRM_ERROR("[DF PMC] addressing not retrieved! Lo: %x, Hi: %x", 414 *lo_base_addr, *hi_base_addr); 415 return -ENXIO; 416 } 417 418 eventsel = DF_V3_6_GET_EVENT(config) & 0x3f; 419 unitmask = DF_V3_6_GET_UNITMASK(config) & 0xf; 420 instance = DF_V3_6_GET_INSTANCE(config); 421 422 instance_10 = instance & 0x3; 423 instance_5432 = (instance >> 2) & 0xf; 424 instance_76 = (instance >> 6) & 0x3; 425 426 *lo_val = (unitmask << 8) | (instance_10 << 6) | eventsel; 427 *lo_val = is_enable ? *lo_val | (1 << 22) : *lo_val & ~(1 << 22); 428 *hi_val = (instance_76 << 29) | instance_5432; 429 430 DRM_DEBUG_DRIVER("config=%llx addr=%08x:%08x val=%08x:%08x", 431 config, *lo_base_addr, *hi_base_addr, *lo_val, *hi_val); 432 433 return 0; 434 } 435 436 /* add df performance counters for read */ 437 static int df_v3_6_pmc_add_cntr(struct amdgpu_device *adev, 438 uint64_t config) 439 { 440 int i; 441 442 for (i = 0; i < DF_V3_6_MAX_COUNTERS; i++) { 443 if (adev->df_perfmon_config_assign_mask[i] == 0U) { 444 adev->df_perfmon_config_assign_mask[i] = 445 config & 0x0FFFFFFUL; 446 return i; 447 } 448 } 449 450 return -ENOSPC; 451 } 452 453 #define DEFERRED_ARM_MASK (1 << 31) 454 static int df_v3_6_pmc_set_deferred(struct amdgpu_device *adev, 455 int counter_idx, uint64_t config, 456 bool is_deferred) 457 { 458 459 if (!df_v3_6_pmc_has_counter(adev, config, counter_idx)) 460 return -EINVAL; 461 462 if (is_deferred) 463 adev->df_perfmon_config_assign_mask[counter_idx] |= 464 DEFERRED_ARM_MASK; 465 else 466 adev->df_perfmon_config_assign_mask[counter_idx] &= 467 ~DEFERRED_ARM_MASK; 468 469 return 0; 470 } 471 472 static bool df_v3_6_pmc_is_deferred(struct amdgpu_device *adev, 473 int counter_idx, 474 uint64_t config) 475 { 476 return (df_v3_6_pmc_has_counter(adev, config, counter_idx) && 477 (adev->df_perfmon_config_assign_mask[counter_idx] 478 & DEFERRED_ARM_MASK)); 479 480 } 481 482 /* release performance counter */ 483 static void df_v3_6_pmc_release_cntr(struct amdgpu_device *adev, 484 uint64_t config, 485 int counter_idx) 486 { 487 if (df_v3_6_pmc_has_counter(adev, config, counter_idx)) 488 adev->df_perfmon_config_assign_mask[counter_idx] = 0ULL; 489 } 490 491 492 static void df_v3_6_reset_perfmon_cntr(struct amdgpu_device *adev, 493 uint64_t config, 494 int counter_idx) 495 { 496 uint32_t lo_base_addr = 0, hi_base_addr = 0; 497 498 df_v3_6_pmc_get_read_settings(adev, config, counter_idx, &lo_base_addr, 499 &hi_base_addr); 500 501 if ((lo_base_addr == 0) || (hi_base_addr == 0)) 502 return; 503 504 df_v3_6_perfmon_wreg(adev, lo_base_addr, 0, hi_base_addr, 0); 505 } 506 507 /* return available counter if is_add == 1 otherwise return error status. */ 508 static int df_v3_6_pmc_start(struct amdgpu_device *adev, uint64_t config, 509 int counter_idx, int is_add) 510 { 511 uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val; 512 int err = 0, ret = 0; 513 514 switch (adev->asic_type) { 515 case CHIP_VEGA20: 516 case CHIP_ARCTURUS: 517 if (is_add) 518 return df_v3_6_pmc_add_cntr(adev, config); 519 520 ret = df_v3_6_pmc_get_ctrl_settings(adev, 521 config, 522 counter_idx, 523 &lo_base_addr, 524 &hi_base_addr, 525 &lo_val, 526 &hi_val, 527 true); 528 529 if (ret) 530 return ret; 531 532 err = df_v3_6_perfmon_arm_with_retry(adev, 533 lo_base_addr, 534 lo_val, 535 hi_base_addr, 536 hi_val); 537 538 if (err) 539 ret = df_v3_6_pmc_set_deferred(adev, config, 540 counter_idx, true); 541 542 break; 543 default: 544 break; 545 } 546 547 return ret; 548 } 549 550 static int df_v3_6_pmc_stop(struct amdgpu_device *adev, uint64_t config, 551 int counter_idx, int is_remove) 552 { 553 uint32_t lo_base_addr, hi_base_addr, lo_val, hi_val; 554 int ret = 0; 555 556 switch (adev->asic_type) { 557 case CHIP_VEGA20: 558 case CHIP_ARCTURUS: 559 ret = df_v3_6_pmc_get_ctrl_settings(adev, 560 config, 561 counter_idx, 562 &lo_base_addr, 563 &hi_base_addr, 564 &lo_val, 565 &hi_val, 566 false); 567 568 if (ret) 569 return ret; 570 571 df_v3_6_perfmon_wreg(adev, lo_base_addr, lo_val, 572 hi_base_addr, hi_val); 573 574 if (is_remove) { 575 df_v3_6_reset_perfmon_cntr(adev, config, counter_idx); 576 df_v3_6_pmc_release_cntr(adev, config, counter_idx); 577 } 578 579 break; 580 default: 581 break; 582 } 583 584 return ret; 585 } 586 587 static void df_v3_6_pmc_get_count(struct amdgpu_device *adev, 588 uint64_t config, 589 int counter_idx, 590 uint64_t *count) 591 { 592 uint32_t lo_base_addr = 0, hi_base_addr = 0, lo_val = 0, hi_val = 0; 593 *count = 0; 594 595 switch (adev->asic_type) { 596 case CHIP_VEGA20: 597 case CHIP_ARCTURUS: 598 df_v3_6_pmc_get_read_settings(adev, config, counter_idx, 599 &lo_base_addr, &hi_base_addr); 600 601 if ((lo_base_addr == 0) || (hi_base_addr == 0)) 602 return; 603 604 /* rearm the counter or throw away count value on failure */ 605 if (df_v3_6_pmc_is_deferred(adev, config, counter_idx)) { 606 int rearm_err = df_v3_6_perfmon_arm_with_status(adev, 607 lo_base_addr, lo_val, 608 hi_base_addr, hi_val); 609 610 if (rearm_err) 611 return; 612 613 df_v3_6_pmc_set_deferred(adev, config, counter_idx, 614 false); 615 } 616 617 df_v3_6_perfmon_rreg(adev, lo_base_addr, &lo_val, 618 hi_base_addr, &hi_val); 619 620 *count = ((hi_val | 0ULL) << 32) | (lo_val | 0ULL); 621 622 if (*count >= DF_V3_6_PERFMON_OVERFLOW) 623 *count = 0; 624 625 DRM_DEBUG_DRIVER("config=%llx addr=%08x:%08x val=%08x:%08x", 626 config, lo_base_addr, hi_base_addr, lo_val, hi_val); 627 628 break; 629 default: 630 break; 631 } 632 } 633 634 const struct amdgpu_df_funcs df_v3_6_funcs = { 635 .sw_init = df_v3_6_sw_init, 636 .sw_fini = df_v3_6_sw_fini, 637 .enable_broadcast_mode = df_v3_6_enable_broadcast_mode, 638 .get_fb_channel_number = df_v3_6_get_fb_channel_number, 639 .get_hbm_channel_number = df_v3_6_get_hbm_channel_number, 640 .update_medium_grain_clock_gating = 641 df_v3_6_update_medium_grain_clock_gating, 642 .get_clockgating_state = df_v3_6_get_clockgating_state, 643 .pmc_start = df_v3_6_pmc_start, 644 .pmc_stop = df_v3_6_pmc_stop, 645 .pmc_get_count = df_v3_6_pmc_get_count, 646 .get_fica = df_v3_6_get_fica, 647 .set_fica = df_v3_6_set_fica, 648 }; 649