1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <linux/firmware.h> 25 #include <linux/pci.h> 26 27 #include <drm/drm_cache.h> 28 29 #include "amdgpu.h" 30 #include "gmc_v9_0.h" 31 #include "amdgpu_atomfirmware.h" 32 #include "amdgpu_gem.h" 33 34 #include "gc/gc_9_0_sh_mask.h" 35 #include "dce/dce_12_0_offset.h" 36 #include "dce/dce_12_0_sh_mask.h" 37 #include "vega10_enum.h" 38 #include "mmhub/mmhub_1_0_offset.h" 39 #include "athub/athub_1_0_sh_mask.h" 40 #include "athub/athub_1_0_offset.h" 41 #include "oss/osssys_4_0_offset.h" 42 43 #include "soc15.h" 44 #include "soc15d.h" 45 #include "soc15_common.h" 46 #include "umc/umc_6_0_sh_mask.h" 47 48 #include "gfxhub_v1_0.h" 49 #include "mmhub_v1_0.h" 50 #include "athub_v1_0.h" 51 #include "gfxhub_v1_1.h" 52 #include "mmhub_v9_4.h" 53 #include "mmhub_v1_7.h" 54 #include "umc_v6_1.h" 55 #include "umc_v6_0.h" 56 #include "umc_v6_7.h" 57 #include "hdp_v4_0.h" 58 #include "mca_v3_0.h" 59 60 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" 61 62 #include "amdgpu_ras.h" 63 #include "amdgpu_xgmi.h" 64 65 /* add these here since we already include dce12 headers and these are for DCN */ 66 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d 67 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2 68 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0 69 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10 70 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL 71 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L 72 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0 0x049d 73 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX 2 74 75 76 static const char *gfxhub_client_ids[] = { 77 "CB", 78 "DB", 79 "IA", 80 "WD", 81 "CPF", 82 "CPC", 83 "CPG", 84 "RLC", 85 "TCP", 86 "SQC (inst)", 87 "SQC (data)", 88 "SQG", 89 "PA", 90 }; 91 92 static const char *mmhub_client_ids_raven[][2] = { 93 [0][0] = "MP1", 94 [1][0] = "MP0", 95 [2][0] = "VCN", 96 [3][0] = "VCNU", 97 [4][0] = "HDP", 98 [5][0] = "DCE", 99 [13][0] = "UTCL2", 100 [19][0] = "TLS", 101 [26][0] = "OSS", 102 [27][0] = "SDMA0", 103 [0][1] = "MP1", 104 [1][1] = "MP0", 105 [2][1] = "VCN", 106 [3][1] = "VCNU", 107 [4][1] = "HDP", 108 [5][1] = "XDP", 109 [6][1] = "DBGU0", 110 [7][1] = "DCE", 111 [8][1] = "DCEDWB0", 112 [9][1] = "DCEDWB1", 113 [26][1] = "OSS", 114 [27][1] = "SDMA0", 115 }; 116 117 static const char *mmhub_client_ids_renoir[][2] = { 118 [0][0] = "MP1", 119 [1][0] = "MP0", 120 [2][0] = "HDP", 121 [4][0] = "DCEDMC", 122 [5][0] = "DCEVGA", 123 [13][0] = "UTCL2", 124 [19][0] = "TLS", 125 [26][0] = "OSS", 126 [27][0] = "SDMA0", 127 [28][0] = "VCN", 128 [29][0] = "VCNU", 129 [30][0] = "JPEG", 130 [0][1] = "MP1", 131 [1][1] = "MP0", 132 [2][1] = "HDP", 133 [3][1] = "XDP", 134 [6][1] = "DBGU0", 135 [7][1] = "DCEDMC", 136 [8][1] = "DCEVGA", 137 [9][1] = "DCEDWB", 138 [26][1] = "OSS", 139 [27][1] = "SDMA0", 140 [28][1] = "VCN", 141 [29][1] = "VCNU", 142 [30][1] = "JPEG", 143 }; 144 145 static const char *mmhub_client_ids_vega10[][2] = { 146 [0][0] = "MP0", 147 [1][0] = "UVD", 148 [2][0] = "UVDU", 149 [3][0] = "HDP", 150 [13][0] = "UTCL2", 151 [14][0] = "OSS", 152 [15][0] = "SDMA1", 153 [32+0][0] = "VCE0", 154 [32+1][0] = "VCE0U", 155 [32+2][0] = "XDMA", 156 [32+3][0] = "DCE", 157 [32+4][0] = "MP1", 158 [32+14][0] = "SDMA0", 159 [0][1] = "MP0", 160 [1][1] = "UVD", 161 [2][1] = "UVDU", 162 [3][1] = "DBGU0", 163 [4][1] = "HDP", 164 [5][1] = "XDP", 165 [14][1] = "OSS", 166 [15][1] = "SDMA0", 167 [32+0][1] = "VCE0", 168 [32+1][1] = "VCE0U", 169 [32+2][1] = "XDMA", 170 [32+3][1] = "DCE", 171 [32+4][1] = "DCEDWB", 172 [32+5][1] = "MP1", 173 [32+6][1] = "DBGU1", 174 [32+14][1] = "SDMA1", 175 }; 176 177 static const char *mmhub_client_ids_vega12[][2] = { 178 [0][0] = "MP0", 179 [1][0] = "VCE0", 180 [2][0] = "VCE0U", 181 [3][0] = "HDP", 182 [13][0] = "UTCL2", 183 [14][0] = "OSS", 184 [15][0] = "SDMA1", 185 [32+0][0] = "DCE", 186 [32+1][0] = "XDMA", 187 [32+2][0] = "UVD", 188 [32+3][0] = "UVDU", 189 [32+4][0] = "MP1", 190 [32+15][0] = "SDMA0", 191 [0][1] = "MP0", 192 [1][1] = "VCE0", 193 [2][1] = "VCE0U", 194 [3][1] = "DBGU0", 195 [4][1] = "HDP", 196 [5][1] = "XDP", 197 [14][1] = "OSS", 198 [15][1] = "SDMA0", 199 [32+0][1] = "DCE", 200 [32+1][1] = "DCEDWB", 201 [32+2][1] = "XDMA", 202 [32+3][1] = "UVD", 203 [32+4][1] = "UVDU", 204 [32+5][1] = "MP1", 205 [32+6][1] = "DBGU1", 206 [32+15][1] = "SDMA1", 207 }; 208 209 static const char *mmhub_client_ids_vega20[][2] = { 210 [0][0] = "XDMA", 211 [1][0] = "DCE", 212 [2][0] = "VCE0", 213 [3][0] = "VCE0U", 214 [4][0] = "UVD", 215 [5][0] = "UVD1U", 216 [13][0] = "OSS", 217 [14][0] = "HDP", 218 [15][0] = "SDMA0", 219 [32+0][0] = "UVD", 220 [32+1][0] = "UVDU", 221 [32+2][0] = "MP1", 222 [32+3][0] = "MP0", 223 [32+12][0] = "UTCL2", 224 [32+14][0] = "SDMA1", 225 [0][1] = "XDMA", 226 [1][1] = "DCE", 227 [2][1] = "DCEDWB", 228 [3][1] = "VCE0", 229 [4][1] = "VCE0U", 230 [5][1] = "UVD1", 231 [6][1] = "UVD1U", 232 [7][1] = "DBGU0", 233 [8][1] = "XDP", 234 [13][1] = "OSS", 235 [14][1] = "HDP", 236 [15][1] = "SDMA0", 237 [32+0][1] = "UVD", 238 [32+1][1] = "UVDU", 239 [32+2][1] = "DBGU1", 240 [32+3][1] = "MP1", 241 [32+4][1] = "MP0", 242 [32+14][1] = "SDMA1", 243 }; 244 245 static const char *mmhub_client_ids_arcturus[][2] = { 246 [0][0] = "DBGU1", 247 [1][0] = "XDP", 248 [2][0] = "MP1", 249 [14][0] = "HDP", 250 [171][0] = "JPEG", 251 [172][0] = "VCN", 252 [173][0] = "VCNU", 253 [203][0] = "JPEG1", 254 [204][0] = "VCN1", 255 [205][0] = "VCN1U", 256 [256][0] = "SDMA0", 257 [257][0] = "SDMA1", 258 [258][0] = "SDMA2", 259 [259][0] = "SDMA3", 260 [260][0] = "SDMA4", 261 [261][0] = "SDMA5", 262 [262][0] = "SDMA6", 263 [263][0] = "SDMA7", 264 [384][0] = "OSS", 265 [0][1] = "DBGU1", 266 [1][1] = "XDP", 267 [2][1] = "MP1", 268 [14][1] = "HDP", 269 [171][1] = "JPEG", 270 [172][1] = "VCN", 271 [173][1] = "VCNU", 272 [203][1] = "JPEG1", 273 [204][1] = "VCN1", 274 [205][1] = "VCN1U", 275 [256][1] = "SDMA0", 276 [257][1] = "SDMA1", 277 [258][1] = "SDMA2", 278 [259][1] = "SDMA3", 279 [260][1] = "SDMA4", 280 [261][1] = "SDMA5", 281 [262][1] = "SDMA6", 282 [263][1] = "SDMA7", 283 [384][1] = "OSS", 284 }; 285 286 static const char *mmhub_client_ids_aldebaran[][2] = { 287 [2][0] = "MP1", 288 [3][0] = "MP0", 289 [32+1][0] = "DBGU_IO0", 290 [32+2][0] = "DBGU_IO2", 291 [32+4][0] = "MPIO", 292 [96+11][0] = "JPEG0", 293 [96+12][0] = "VCN0", 294 [96+13][0] = "VCNU0", 295 [128+11][0] = "JPEG1", 296 [128+12][0] = "VCN1", 297 [128+13][0] = "VCNU1", 298 [160+1][0] = "XDP", 299 [160+14][0] = "HDP", 300 [256+0][0] = "SDMA0", 301 [256+1][0] = "SDMA1", 302 [256+2][0] = "SDMA2", 303 [256+3][0] = "SDMA3", 304 [256+4][0] = "SDMA4", 305 [384+0][0] = "OSS", 306 [2][1] = "MP1", 307 [3][1] = "MP0", 308 [32+1][1] = "DBGU_IO0", 309 [32+2][1] = "DBGU_IO2", 310 [32+4][1] = "MPIO", 311 [96+11][1] = "JPEG0", 312 [96+12][1] = "VCN0", 313 [96+13][1] = "VCNU0", 314 [128+11][1] = "JPEG1", 315 [128+12][1] = "VCN1", 316 [128+13][1] = "VCNU1", 317 [160+1][1] = "XDP", 318 [160+14][1] = "HDP", 319 [256+0][1] = "SDMA0", 320 [256+1][1] = "SDMA1", 321 [256+2][1] = "SDMA2", 322 [256+3][1] = "SDMA3", 323 [256+4][1] = "SDMA4", 324 [384+0][1] = "OSS", 325 }; 326 327 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] = 328 { 329 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa), 330 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565) 331 }; 332 333 static const struct soc15_reg_golden golden_settings_athub_1_0_0[] = 334 { 335 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800), 336 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008) 337 }; 338 339 static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = { 340 (0x000143c0 + 0x00000000), 341 (0x000143c0 + 0x00000800), 342 (0x000143c0 + 0x00001000), 343 (0x000143c0 + 0x00001800), 344 (0x000543c0 + 0x00000000), 345 (0x000543c0 + 0x00000800), 346 (0x000543c0 + 0x00001000), 347 (0x000543c0 + 0x00001800), 348 (0x000943c0 + 0x00000000), 349 (0x000943c0 + 0x00000800), 350 (0x000943c0 + 0x00001000), 351 (0x000943c0 + 0x00001800), 352 (0x000d43c0 + 0x00000000), 353 (0x000d43c0 + 0x00000800), 354 (0x000d43c0 + 0x00001000), 355 (0x000d43c0 + 0x00001800), 356 (0x001143c0 + 0x00000000), 357 (0x001143c0 + 0x00000800), 358 (0x001143c0 + 0x00001000), 359 (0x001143c0 + 0x00001800), 360 (0x001543c0 + 0x00000000), 361 (0x001543c0 + 0x00000800), 362 (0x001543c0 + 0x00001000), 363 (0x001543c0 + 0x00001800), 364 (0x001943c0 + 0x00000000), 365 (0x001943c0 + 0x00000800), 366 (0x001943c0 + 0x00001000), 367 (0x001943c0 + 0x00001800), 368 (0x001d43c0 + 0x00000000), 369 (0x001d43c0 + 0x00000800), 370 (0x001d43c0 + 0x00001000), 371 (0x001d43c0 + 0x00001800), 372 }; 373 374 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = { 375 (0x000143e0 + 0x00000000), 376 (0x000143e0 + 0x00000800), 377 (0x000143e0 + 0x00001000), 378 (0x000143e0 + 0x00001800), 379 (0x000543e0 + 0x00000000), 380 (0x000543e0 + 0x00000800), 381 (0x000543e0 + 0x00001000), 382 (0x000543e0 + 0x00001800), 383 (0x000943e0 + 0x00000000), 384 (0x000943e0 + 0x00000800), 385 (0x000943e0 + 0x00001000), 386 (0x000943e0 + 0x00001800), 387 (0x000d43e0 + 0x00000000), 388 (0x000d43e0 + 0x00000800), 389 (0x000d43e0 + 0x00001000), 390 (0x000d43e0 + 0x00001800), 391 (0x001143e0 + 0x00000000), 392 (0x001143e0 + 0x00000800), 393 (0x001143e0 + 0x00001000), 394 (0x001143e0 + 0x00001800), 395 (0x001543e0 + 0x00000000), 396 (0x001543e0 + 0x00000800), 397 (0x001543e0 + 0x00001000), 398 (0x001543e0 + 0x00001800), 399 (0x001943e0 + 0x00000000), 400 (0x001943e0 + 0x00000800), 401 (0x001943e0 + 0x00001000), 402 (0x001943e0 + 0x00001800), 403 (0x001d43e0 + 0x00000000), 404 (0x001d43e0 + 0x00000800), 405 (0x001d43e0 + 0x00001000), 406 (0x001d43e0 + 0x00001800), 407 }; 408 409 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev, 410 struct amdgpu_irq_src *src, 411 unsigned type, 412 enum amdgpu_interrupt_state state) 413 { 414 u32 bits, i, tmp, reg; 415 416 /* Devices newer then VEGA10/12 shall have these programming 417 sequences performed by PSP BL */ 418 if (adev->asic_type >= CHIP_VEGA20) 419 return 0; 420 421 bits = 0x7f; 422 423 switch (state) { 424 case AMDGPU_IRQ_STATE_DISABLE: 425 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) { 426 reg = ecc_umc_mcumc_ctrl_addrs[i]; 427 tmp = RREG32(reg); 428 tmp &= ~bits; 429 WREG32(reg, tmp); 430 } 431 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) { 432 reg = ecc_umc_mcumc_ctrl_mask_addrs[i]; 433 tmp = RREG32(reg); 434 tmp &= ~bits; 435 WREG32(reg, tmp); 436 } 437 break; 438 case AMDGPU_IRQ_STATE_ENABLE: 439 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) { 440 reg = ecc_umc_mcumc_ctrl_addrs[i]; 441 tmp = RREG32(reg); 442 tmp |= bits; 443 WREG32(reg, tmp); 444 } 445 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) { 446 reg = ecc_umc_mcumc_ctrl_mask_addrs[i]; 447 tmp = RREG32(reg); 448 tmp |= bits; 449 WREG32(reg, tmp); 450 } 451 break; 452 default: 453 break; 454 } 455 456 return 0; 457 } 458 459 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 460 struct amdgpu_irq_src *src, 461 unsigned type, 462 enum amdgpu_interrupt_state state) 463 { 464 struct amdgpu_vmhub *hub; 465 u32 tmp, reg, bits, i, j; 466 467 bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 468 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 469 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 470 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 471 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 472 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 473 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 474 475 switch (state) { 476 case AMDGPU_IRQ_STATE_DISABLE: 477 for (j = 0; j < adev->num_vmhubs; j++) { 478 hub = &adev->vmhub[j]; 479 for (i = 0; i < 16; i++) { 480 reg = hub->vm_context0_cntl + i; 481 tmp = RREG32(reg); 482 tmp &= ~bits; 483 WREG32(reg, tmp); 484 } 485 } 486 break; 487 case AMDGPU_IRQ_STATE_ENABLE: 488 for (j = 0; j < adev->num_vmhubs; j++) { 489 hub = &adev->vmhub[j]; 490 for (i = 0; i < 16; i++) { 491 reg = hub->vm_context0_cntl + i; 492 tmp = RREG32(reg); 493 tmp |= bits; 494 WREG32(reg, tmp); 495 } 496 } 497 break; 498 default: 499 break; 500 } 501 502 return 0; 503 } 504 505 static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, 506 struct amdgpu_irq_src *source, 507 struct amdgpu_iv_entry *entry) 508 { 509 bool retry_fault = !!(entry->src_data[1] & 0x80); 510 bool write_fault = !!(entry->src_data[1] & 0x20); 511 uint32_t status = 0, cid = 0, rw = 0; 512 struct amdgpu_task_info task_info; 513 struct amdgpu_vmhub *hub; 514 const char *mmhub_cid; 515 const char *hub_name; 516 u64 addr; 517 518 addr = (u64)entry->src_data[0] << 12; 519 addr |= ((u64)entry->src_data[1] & 0xf) << 44; 520 521 if (retry_fault) { 522 /* Returning 1 here also prevents sending the IV to the KFD */ 523 524 /* Process it onyl if it's the first fault for this address */ 525 if (entry->ih != &adev->irq.ih_soft && 526 amdgpu_gmc_filter_faults(adev, addr, entry->pasid, 527 entry->timestamp)) 528 return 1; 529 530 /* Delegate it to a different ring if the hardware hasn't 531 * already done it. 532 */ 533 if (entry->ih == &adev->irq.ih) { 534 amdgpu_irq_delegate(adev, entry, 8); 535 return 1; 536 } 537 538 /* Try to handle the recoverable page faults by filling page 539 * tables 540 */ 541 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault)) 542 return 1; 543 } 544 545 if (!printk_ratelimit()) 546 return 0; 547 548 if (entry->client_id == SOC15_IH_CLIENTID_VMC) { 549 hub_name = "mmhub0"; 550 hub = &adev->vmhub[AMDGPU_MMHUB_0]; 551 } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) { 552 hub_name = "mmhub1"; 553 hub = &adev->vmhub[AMDGPU_MMHUB_1]; 554 } else { 555 hub_name = "gfxhub0"; 556 hub = &adev->vmhub[AMDGPU_GFXHUB_0]; 557 } 558 559 memset(&task_info, 0, sizeof(struct amdgpu_task_info)); 560 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 561 562 dev_err(adev->dev, 563 "[%s] %s page fault (src_id:%u ring:%u vmid:%u " 564 "pasid:%u, for process %s pid %d thread %s pid %d)\n", 565 hub_name, retry_fault ? "retry" : "no-retry", 566 entry->src_id, entry->ring_id, entry->vmid, 567 entry->pasid, task_info.process_name, task_info.tgid, 568 task_info.task_name, task_info.pid); 569 dev_err(adev->dev, " in page starting at address 0x%016llx from IH client 0x%x (%s)\n", 570 addr, entry->client_id, 571 soc15_ih_clientid_name[entry->client_id]); 572 573 if (amdgpu_sriov_vf(adev)) 574 return 0; 575 576 /* 577 * Issue a dummy read to wait for the status register to 578 * be updated to avoid reading an incorrect value due to 579 * the new fast GRBM interface. 580 */ 581 if ((entry->vmid_src == AMDGPU_GFXHUB_0) && 582 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2))) 583 RREG32(hub->vm_l2_pro_fault_status); 584 585 status = RREG32(hub->vm_l2_pro_fault_status); 586 cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID); 587 rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW); 588 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); 589 590 591 dev_err(adev->dev, 592 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 593 status); 594 if (hub == &adev->vmhub[AMDGPU_GFXHUB_0]) { 595 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 596 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : 597 gfxhub_client_ids[cid], 598 cid); 599 } else { 600 switch (adev->ip_versions[MMHUB_HWIP][0]) { 601 case IP_VERSION(9, 0, 0): 602 mmhub_cid = mmhub_client_ids_vega10[cid][rw]; 603 break; 604 case IP_VERSION(9, 3, 0): 605 mmhub_cid = mmhub_client_ids_vega12[cid][rw]; 606 break; 607 case IP_VERSION(9, 4, 0): 608 mmhub_cid = mmhub_client_ids_vega20[cid][rw]; 609 break; 610 case IP_VERSION(9, 4, 1): 611 mmhub_cid = mmhub_client_ids_arcturus[cid][rw]; 612 break; 613 case IP_VERSION(9, 1, 0): 614 case IP_VERSION(9, 2, 0): 615 mmhub_cid = mmhub_client_ids_raven[cid][rw]; 616 break; 617 case IP_VERSION(1, 5, 0): 618 case IP_VERSION(2, 4, 0): 619 mmhub_cid = mmhub_client_ids_renoir[cid][rw]; 620 break; 621 case IP_VERSION(9, 4, 2): 622 mmhub_cid = mmhub_client_ids_aldebaran[cid][rw]; 623 break; 624 default: 625 mmhub_cid = NULL; 626 break; 627 } 628 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 629 mmhub_cid ? mmhub_cid : "unknown", cid); 630 } 631 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 632 REG_GET_FIELD(status, 633 VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 634 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 635 REG_GET_FIELD(status, 636 VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 637 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 638 REG_GET_FIELD(status, 639 VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 640 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 641 REG_GET_FIELD(status, 642 VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 643 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 644 return 0; 645 } 646 647 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = { 648 .set = gmc_v9_0_vm_fault_interrupt_state, 649 .process = gmc_v9_0_process_interrupt, 650 }; 651 652 653 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = { 654 .set = gmc_v9_0_ecc_interrupt_state, 655 .process = amdgpu_umc_process_ecc_irq, 656 }; 657 658 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev) 659 { 660 adev->gmc.vm_fault.num_types = 1; 661 adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs; 662 663 if (!amdgpu_sriov_vf(adev) && 664 !adev->gmc.xgmi.connected_to_cpu) { 665 adev->gmc.ecc_irq.num_types = 1; 666 adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs; 667 } 668 } 669 670 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid, 671 uint32_t flush_type) 672 { 673 u32 req = 0; 674 675 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, 676 PER_VMID_INVALIDATE_REQ, 1 << vmid); 677 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 678 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 679 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 680 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 681 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 682 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 683 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, 684 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 685 686 return req; 687 } 688 689 /** 690 * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore 691 * 692 * @adev: amdgpu_device pointer 693 * @vmhub: vmhub type 694 * 695 */ 696 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev, 697 uint32_t vmhub) 698 { 699 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) 700 return false; 701 702 return ((vmhub == AMDGPU_MMHUB_0 || 703 vmhub == AMDGPU_MMHUB_1) && 704 (!amdgpu_sriov_vf(adev)) && 705 (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) && 706 (adev->apu_flags & AMD_APU_IS_PICASSO)))); 707 } 708 709 static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev, 710 uint8_t vmid, uint16_t *p_pasid) 711 { 712 uint32_t value; 713 714 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) 715 + vmid); 716 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; 717 718 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); 719 } 720 721 /* 722 * GART 723 * VMID 0 is the physical GPU addresses as used by the kernel. 724 * VMIDs 1-15 are used for userspace clients and are handled 725 * by the amdgpu vm/hsa code. 726 */ 727 728 /** 729 * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type 730 * 731 * @adev: amdgpu_device pointer 732 * @vmid: vm instance to flush 733 * @vmhub: which hub to flush 734 * @flush_type: the flush type 735 * 736 * Flush the TLB for the requested page table using certain type. 737 */ 738 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 739 uint32_t vmhub, uint32_t flush_type) 740 { 741 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub); 742 const unsigned eng = 17; 743 u32 j, inv_req, inv_req2, tmp; 744 struct amdgpu_vmhub *hub; 745 746 BUG_ON(vmhub >= adev->num_vmhubs); 747 748 hub = &adev->vmhub[vmhub]; 749 if (adev->gmc.xgmi.num_physical_nodes && 750 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)) { 751 /* Vega20+XGMI caches PTEs in TC and TLB. Add a 752 * heavy-weight TLB flush (type 2), which flushes 753 * both. Due to a race condition with concurrent 754 * memory accesses using the same TLB cache line, we 755 * still need a second TLB flush after this. 756 */ 757 inv_req = gmc_v9_0_get_invalidate_req(vmid, 2); 758 inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type); 759 } else { 760 inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type); 761 inv_req2 = 0; 762 } 763 764 /* This is necessary for a HW workaround under SRIOV as well 765 * as GFXOFF under bare metal 766 */ 767 if (adev->gfx.kiq.ring.sched.ready && 768 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) && 769 down_read_trylock(&adev->reset_sem)) { 770 uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng; 771 uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; 772 773 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req, 774 1 << vmid); 775 up_read(&adev->reset_sem); 776 return; 777 } 778 779 spin_lock(&adev->gmc.invalidate_lock); 780 781 /* 782 * It may lose gpuvm invalidate acknowldege state across power-gating 783 * off cycle, add semaphore acquire before invalidation and semaphore 784 * release after invalidation to avoid entering power gated state 785 * to WA the Issue 786 */ 787 788 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 789 if (use_semaphore) { 790 for (j = 0; j < adev->usec_timeout; j++) { 791 /* a read return value of 1 means semaphore acuqire */ 792 tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem + 793 hub->eng_distance * eng); 794 if (tmp & 0x1) 795 break; 796 udelay(1); 797 } 798 799 if (j >= adev->usec_timeout) 800 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); 801 } 802 803 do { 804 WREG32_NO_KIQ(hub->vm_inv_eng0_req + 805 hub->eng_distance * eng, inv_req); 806 807 /* 808 * Issue a dummy read to wait for the ACK register to 809 * be cleared to avoid a false ACK due to the new fast 810 * GRBM interface. 811 */ 812 if ((vmhub == AMDGPU_GFXHUB_0) && 813 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2))) 814 RREG32_NO_KIQ(hub->vm_inv_eng0_req + 815 hub->eng_distance * eng); 816 817 for (j = 0; j < adev->usec_timeout; j++) { 818 tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + 819 hub->eng_distance * eng); 820 if (tmp & (1 << vmid)) 821 break; 822 udelay(1); 823 } 824 825 inv_req = inv_req2; 826 inv_req2 = 0; 827 } while (inv_req); 828 829 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 830 if (use_semaphore) 831 /* 832 * add semaphore release after invalidation, 833 * write with 0 means semaphore release 834 */ 835 WREG32_NO_KIQ(hub->vm_inv_eng0_sem + 836 hub->eng_distance * eng, 0); 837 838 spin_unlock(&adev->gmc.invalidate_lock); 839 840 if (j < adev->usec_timeout) 841 return; 842 843 DRM_ERROR("Timeout waiting for VM flush ACK!\n"); 844 } 845 846 /** 847 * gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid 848 * 849 * @adev: amdgpu_device pointer 850 * @pasid: pasid to be flush 851 * @flush_type: the flush type 852 * @all_hub: flush all hubs 853 * 854 * Flush the TLB for the requested pasid. 855 */ 856 static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 857 uint16_t pasid, uint32_t flush_type, 858 bool all_hub) 859 { 860 int vmid, i; 861 signed long r; 862 uint32_t seq; 863 uint16_t queried_pasid; 864 bool ret; 865 struct amdgpu_ring *ring = &adev->gfx.kiq.ring; 866 struct amdgpu_kiq *kiq = &adev->gfx.kiq; 867 868 if (amdgpu_in_reset(adev)) 869 return -EIO; 870 871 if (ring->sched.ready && down_read_trylock(&adev->reset_sem)) { 872 /* Vega20+XGMI caches PTEs in TC and TLB. Add a 873 * heavy-weight TLB flush (type 2), which flushes 874 * both. Due to a race condition with concurrent 875 * memory accesses using the same TLB cache line, we 876 * still need a second TLB flush after this. 877 */ 878 bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes && 879 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)); 880 /* 2 dwords flush + 8 dwords fence */ 881 unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8; 882 883 if (vega20_xgmi_wa) 884 ndw += kiq->pmf->invalidate_tlbs_size; 885 886 spin_lock(&adev->gfx.kiq.ring_lock); 887 /* 2 dwords flush + 8 dwords fence */ 888 amdgpu_ring_alloc(ring, ndw); 889 if (vega20_xgmi_wa) 890 kiq->pmf->kiq_invalidate_tlbs(ring, 891 pasid, 2, all_hub); 892 kiq->pmf->kiq_invalidate_tlbs(ring, 893 pasid, flush_type, all_hub); 894 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); 895 if (r) { 896 amdgpu_ring_undo(ring); 897 spin_unlock(&adev->gfx.kiq.ring_lock); 898 up_read(&adev->reset_sem); 899 return -ETIME; 900 } 901 902 amdgpu_ring_commit(ring); 903 spin_unlock(&adev->gfx.kiq.ring_lock); 904 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout); 905 if (r < 1) { 906 dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r); 907 up_read(&adev->reset_sem); 908 return -ETIME; 909 } 910 up_read(&adev->reset_sem); 911 return 0; 912 } 913 914 for (vmid = 1; vmid < 16; vmid++) { 915 916 ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid, 917 &queried_pasid); 918 if (ret && queried_pasid == pasid) { 919 if (all_hub) { 920 for (i = 0; i < adev->num_vmhubs; i++) 921 gmc_v9_0_flush_gpu_tlb(adev, vmid, 922 i, flush_type); 923 } else { 924 gmc_v9_0_flush_gpu_tlb(adev, vmid, 925 AMDGPU_GFXHUB_0, flush_type); 926 } 927 break; 928 } 929 } 930 931 return 0; 932 933 } 934 935 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 936 unsigned vmid, uint64_t pd_addr) 937 { 938 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub); 939 struct amdgpu_device *adev = ring->adev; 940 struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub]; 941 uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0); 942 unsigned eng = ring->vm_inv_eng; 943 944 /* 945 * It may lose gpuvm invalidate acknowldege state across power-gating 946 * off cycle, add semaphore acquire before invalidation and semaphore 947 * release after invalidation to avoid entering power gated state 948 * to WA the Issue 949 */ 950 951 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 952 if (use_semaphore) 953 /* a read return value of 1 means semaphore acuqire */ 954 amdgpu_ring_emit_reg_wait(ring, 955 hub->vm_inv_eng0_sem + 956 hub->eng_distance * eng, 0x1, 0x1); 957 958 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + 959 (hub->ctx_addr_distance * vmid), 960 lower_32_bits(pd_addr)); 961 962 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + 963 (hub->ctx_addr_distance * vmid), 964 upper_32_bits(pd_addr)); 965 966 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + 967 hub->eng_distance * eng, 968 hub->vm_inv_eng0_ack + 969 hub->eng_distance * eng, 970 req, 1 << vmid); 971 972 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 973 if (use_semaphore) 974 /* 975 * add semaphore release after invalidation, 976 * write with 0 means semaphore release 977 */ 978 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem + 979 hub->eng_distance * eng, 0); 980 981 return pd_addr; 982 } 983 984 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 985 unsigned pasid) 986 { 987 struct amdgpu_device *adev = ring->adev; 988 uint32_t reg; 989 990 /* Do nothing because there's no lut register for mmhub1. */ 991 if (ring->funcs->vmhub == AMDGPU_MMHUB_1) 992 return; 993 994 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) 995 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; 996 else 997 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid; 998 999 amdgpu_ring_emit_wreg(ring, reg, pasid); 1000 } 1001 1002 /* 1003 * PTE format on VEGA 10: 1004 * 63:59 reserved 1005 * 58:57 mtype 1006 * 56 F 1007 * 55 L 1008 * 54 P 1009 * 53 SW 1010 * 52 T 1011 * 50:48 reserved 1012 * 47:12 4k physical page base address 1013 * 11:7 fragment 1014 * 6 write 1015 * 5 read 1016 * 4 exe 1017 * 3 Z 1018 * 2 snooped 1019 * 1 system 1020 * 0 valid 1021 * 1022 * PDE format on VEGA 10: 1023 * 63:59 block fragment size 1024 * 58:55 reserved 1025 * 54 P 1026 * 53:48 reserved 1027 * 47:6 physical base address of PD or PTE 1028 * 5:3 reserved 1029 * 2 C 1030 * 1 system 1031 * 0 valid 1032 */ 1033 1034 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) 1035 1036 { 1037 switch (flags) { 1038 case AMDGPU_VM_MTYPE_DEFAULT: 1039 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1040 case AMDGPU_VM_MTYPE_NC: 1041 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1042 case AMDGPU_VM_MTYPE_WC: 1043 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC); 1044 case AMDGPU_VM_MTYPE_RW: 1045 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW); 1046 case AMDGPU_VM_MTYPE_CC: 1047 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC); 1048 case AMDGPU_VM_MTYPE_UC: 1049 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC); 1050 default: 1051 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1052 } 1053 } 1054 1055 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level, 1056 uint64_t *addr, uint64_t *flags) 1057 { 1058 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM)) 1059 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr); 1060 BUG_ON(*addr & 0xFFFF00000000003FULL); 1061 1062 if (!adev->gmc.translate_further) 1063 return; 1064 1065 if (level == AMDGPU_VM_PDB1) { 1066 /* Set the block fragment size */ 1067 if (!(*flags & AMDGPU_PDE_PTE)) 1068 *flags |= AMDGPU_PDE_BFS(0x9); 1069 1070 } else if (level == AMDGPU_VM_PDB0) { 1071 if (*flags & AMDGPU_PDE_PTE) 1072 *flags &= ~AMDGPU_PDE_PTE; 1073 else 1074 *flags |= AMDGPU_PTE_TF; 1075 } 1076 } 1077 1078 static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev, 1079 struct amdgpu_bo_va_mapping *mapping, 1080 uint64_t *flags) 1081 { 1082 *flags &= ~AMDGPU_PTE_EXECUTABLE; 1083 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; 1084 1085 *flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK; 1086 *flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK; 1087 1088 if (mapping->flags & AMDGPU_PTE_PRT) { 1089 *flags |= AMDGPU_PTE_PRT; 1090 *flags &= ~AMDGPU_PTE_VALID; 1091 } 1092 1093 if ((adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) || 1094 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) && 1095 !(*flags & AMDGPU_PTE_SYSTEM) && 1096 mapping->bo_va->is_xgmi) 1097 *flags |= AMDGPU_PTE_SNOOPED; 1098 1099 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) 1100 *flags |= mapping->flags & AMDGPU_PTE_SNOOPED; 1101 } 1102 1103 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev) 1104 { 1105 u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); 1106 unsigned size; 1107 1108 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 1109 size = AMDGPU_VBIOS_VGA_ALLOCATION; 1110 } else { 1111 u32 viewport; 1112 1113 switch (adev->ip_versions[DCE_HWIP][0]) { 1114 case IP_VERSION(1, 0, 0): 1115 case IP_VERSION(1, 0, 1): 1116 case IP_VERSION(2, 1, 0): 1117 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); 1118 size = (REG_GET_FIELD(viewport, 1119 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * 1120 REG_GET_FIELD(viewport, 1121 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) * 1122 4); 1123 break; 1124 default: 1125 viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE); 1126 size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) * 1127 REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) * 1128 4); 1129 break; 1130 } 1131 } 1132 1133 return size; 1134 } 1135 1136 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = { 1137 .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb, 1138 .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid, 1139 .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb, 1140 .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping, 1141 .map_mtype = gmc_v9_0_map_mtype, 1142 .get_vm_pde = gmc_v9_0_get_vm_pde, 1143 .get_vm_pte = gmc_v9_0_get_vm_pte, 1144 .get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size, 1145 }; 1146 1147 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev) 1148 { 1149 adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs; 1150 } 1151 1152 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev) 1153 { 1154 switch (adev->ip_versions[UMC_HWIP][0]) { 1155 case IP_VERSION(6, 0, 0): 1156 adev->umc.funcs = &umc_v6_0_funcs; 1157 break; 1158 case IP_VERSION(6, 1, 1): 1159 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM; 1160 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM; 1161 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM; 1162 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20; 1163 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0]; 1164 adev->umc.ras_funcs = &umc_v6_1_ras_funcs; 1165 break; 1166 case IP_VERSION(6, 1, 2): 1167 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM; 1168 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM; 1169 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM; 1170 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT; 1171 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0]; 1172 adev->umc.ras_funcs = &umc_v6_1_ras_funcs; 1173 break; 1174 case IP_VERSION(6, 7, 0): 1175 adev->umc.max_ras_err_cnt_per_query = UMC_V6_7_TOTAL_CHANNEL_NUM; 1176 adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM; 1177 adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM; 1178 adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET; 1179 if (!adev->gmc.xgmi.connected_to_cpu) 1180 adev->umc.ras_funcs = &umc_v6_7_ras_funcs; 1181 if (1 & adev->smuio.funcs->get_die_id(adev)) 1182 adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0][0]; 1183 else 1184 adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0][0]; 1185 break; 1186 default: 1187 break; 1188 } 1189 } 1190 1191 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev) 1192 { 1193 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1194 case IP_VERSION(9, 4, 1): 1195 adev->mmhub.funcs = &mmhub_v9_4_funcs; 1196 break; 1197 case IP_VERSION(9, 4, 2): 1198 adev->mmhub.funcs = &mmhub_v1_7_funcs; 1199 break; 1200 default: 1201 adev->mmhub.funcs = &mmhub_v1_0_funcs; 1202 break; 1203 } 1204 } 1205 1206 static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev) 1207 { 1208 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1209 case IP_VERSION(9, 4, 0): 1210 adev->mmhub.ras_funcs = &mmhub_v1_0_ras_funcs; 1211 break; 1212 case IP_VERSION(9, 4, 1): 1213 adev->mmhub.ras_funcs = &mmhub_v9_4_ras_funcs; 1214 break; 1215 case IP_VERSION(9, 4, 2): 1216 adev->mmhub.ras_funcs = &mmhub_v1_7_ras_funcs; 1217 break; 1218 default: 1219 /* mmhub ras is not available */ 1220 break; 1221 } 1222 } 1223 1224 static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev) 1225 { 1226 adev->gfxhub.funcs = &gfxhub_v1_0_funcs; 1227 } 1228 1229 static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev) 1230 { 1231 adev->hdp.ras_funcs = &hdp_v4_0_ras_funcs; 1232 } 1233 1234 static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev) 1235 { 1236 /* is UMC the right IP to check for MCA? Maybe DF? */ 1237 switch (adev->ip_versions[UMC_HWIP][0]) { 1238 case IP_VERSION(6, 7, 0): 1239 if (!adev->gmc.xgmi.connected_to_cpu) 1240 adev->mca.funcs = &mca_v3_0_funcs; 1241 break; 1242 default: 1243 break; 1244 } 1245 } 1246 1247 static int gmc_v9_0_early_init(void *handle) 1248 { 1249 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1250 1251 /* ARCT and VEGA20 don't have XGMI defined in their IP discovery tables */ 1252 if (adev->asic_type == CHIP_VEGA20 || 1253 adev->asic_type == CHIP_ARCTURUS) 1254 adev->gmc.xgmi.supported = true; 1255 1256 if (adev->ip_versions[XGMI_HWIP][0] == IP_VERSION(6, 1, 0)) { 1257 adev->gmc.xgmi.supported = true; 1258 adev->gmc.xgmi.connected_to_cpu = 1259 adev->smuio.funcs->is_host_gpu_xgmi_supported(adev); 1260 } 1261 1262 gmc_v9_0_set_gmc_funcs(adev); 1263 gmc_v9_0_set_irq_funcs(adev); 1264 gmc_v9_0_set_umc_funcs(adev); 1265 gmc_v9_0_set_mmhub_funcs(adev); 1266 gmc_v9_0_set_mmhub_ras_funcs(adev); 1267 gmc_v9_0_set_gfxhub_funcs(adev); 1268 gmc_v9_0_set_hdp_ras_funcs(adev); 1269 gmc_v9_0_set_mca_funcs(adev); 1270 1271 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 1272 adev->gmc.shared_aperture_end = 1273 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 1274 adev->gmc.private_aperture_start = 0x1000000000000000ULL; 1275 adev->gmc.private_aperture_end = 1276 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 1277 1278 return 0; 1279 } 1280 1281 static int gmc_v9_0_late_init(void *handle) 1282 { 1283 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1284 int r; 1285 1286 r = amdgpu_gmc_allocate_vm_inv_eng(adev); 1287 if (r) 1288 return r; 1289 1290 /* 1291 * Workaround performance drop issue with VBIOS enables partial 1292 * writes, while disables HBM ECC for vega10. 1293 */ 1294 if (!amdgpu_sriov_vf(adev) && 1295 (adev->ip_versions[UMC_HWIP][0] == IP_VERSION(6, 0, 0))) { 1296 if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) { 1297 if (adev->df.funcs->enable_ecc_force_par_wr_rmw) 1298 adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false); 1299 } 1300 } 1301 1302 if (!amdgpu_persistent_edc_harvesting_supported(adev)) { 1303 if (adev->mmhub.ras_funcs && 1304 adev->mmhub.ras_funcs->reset_ras_error_count) 1305 adev->mmhub.ras_funcs->reset_ras_error_count(adev); 1306 1307 if (adev->hdp.ras_funcs && 1308 adev->hdp.ras_funcs->reset_ras_error_count) 1309 adev->hdp.ras_funcs->reset_ras_error_count(adev); 1310 } 1311 1312 r = amdgpu_gmc_ras_late_init(adev); 1313 if (r) 1314 return r; 1315 1316 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 1317 } 1318 1319 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, 1320 struct amdgpu_gmc *mc) 1321 { 1322 u64 base = adev->mmhub.funcs->get_fb_location(adev); 1323 1324 /* add the xgmi offset of the physical node */ 1325 base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size; 1326 if (adev->gmc.xgmi.connected_to_cpu) { 1327 amdgpu_gmc_sysvm_location(adev, mc); 1328 } else { 1329 amdgpu_gmc_vram_location(adev, mc, base); 1330 amdgpu_gmc_gart_location(adev, mc); 1331 amdgpu_gmc_agp_location(adev, mc); 1332 } 1333 /* base offset of vram pages */ 1334 adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev); 1335 1336 /* XXX: add the xgmi offset of the physical node? */ 1337 adev->vm_manager.vram_base_offset += 1338 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size; 1339 } 1340 1341 /** 1342 * gmc_v9_0_mc_init - initialize the memory controller driver params 1343 * 1344 * @adev: amdgpu_device pointer 1345 * 1346 * Look up the amount of vram, vram width, and decide how to place 1347 * vram and gart within the GPU's physical address space. 1348 * Returns 0 for success. 1349 */ 1350 static int gmc_v9_0_mc_init(struct amdgpu_device *adev) 1351 { 1352 int r; 1353 1354 /* size in MB on si */ 1355 adev->gmc.mc_vram_size = 1356 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; 1357 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 1358 1359 if (!(adev->flags & AMD_IS_APU) && 1360 !adev->gmc.xgmi.connected_to_cpu) { 1361 r = amdgpu_device_resize_fb_bar(adev); 1362 if (r) 1363 return r; 1364 } 1365 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 1366 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 1367 1368 #ifdef CONFIG_X86_64 1369 /* 1370 * AMD Accelerated Processing Platform (APP) supporting GPU-HOST xgmi 1371 * interface can use VRAM through here as it appears system reserved 1372 * memory in host address space. 1373 * 1374 * For APUs, VRAM is just the stolen system memory and can be accessed 1375 * directly. 1376 * 1377 * Otherwise, use the legacy Host Data Path (HDP) through PCIe BAR. 1378 */ 1379 1380 /* check whether both host-gpu and gpu-gpu xgmi links exist */ 1381 if ((adev->flags & AMD_IS_APU) || 1382 (adev->gmc.xgmi.supported && 1383 adev->gmc.xgmi.connected_to_cpu)) { 1384 adev->gmc.aper_base = 1385 adev->gfxhub.funcs->get_mc_fb_offset(adev) + 1386 adev->gmc.xgmi.physical_node_id * 1387 adev->gmc.xgmi.node_segment_size; 1388 adev->gmc.aper_size = adev->gmc.real_vram_size; 1389 } 1390 1391 #endif 1392 /* In case the PCI BAR is larger than the actual amount of vram */ 1393 adev->gmc.visible_vram_size = adev->gmc.aper_size; 1394 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 1395 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 1396 1397 /* set the gart size */ 1398 if (amdgpu_gart_size == -1) { 1399 switch (adev->ip_versions[GC_HWIP][0]) { 1400 case IP_VERSION(9, 0, 1): /* all engines support GPUVM */ 1401 case IP_VERSION(9, 2, 1): /* all engines support GPUVM */ 1402 case IP_VERSION(9, 4, 0): 1403 case IP_VERSION(9, 4, 1): 1404 case IP_VERSION(9, 4, 2): 1405 default: 1406 adev->gmc.gart_size = 512ULL << 20; 1407 break; 1408 case IP_VERSION(9, 1, 0): /* DCE SG support */ 1409 case IP_VERSION(9, 2, 2): /* DCE SG support */ 1410 case IP_VERSION(9, 3, 0): 1411 adev->gmc.gart_size = 1024ULL << 20; 1412 break; 1413 } 1414 } else { 1415 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 1416 } 1417 1418 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size; 1419 1420 gmc_v9_0_vram_gtt_location(adev, &adev->gmc); 1421 1422 return 0; 1423 } 1424 1425 static int gmc_v9_0_gart_init(struct amdgpu_device *adev) 1426 { 1427 int r; 1428 1429 if (adev->gart.bo) { 1430 WARN(1, "VEGA10 PCIE GART already initialized\n"); 1431 return 0; 1432 } 1433 1434 if (adev->gmc.xgmi.connected_to_cpu) { 1435 adev->gmc.vmid0_page_table_depth = 1; 1436 adev->gmc.vmid0_page_table_block_size = 12; 1437 } else { 1438 adev->gmc.vmid0_page_table_depth = 0; 1439 adev->gmc.vmid0_page_table_block_size = 0; 1440 } 1441 1442 /* Initialize common gart structure */ 1443 r = amdgpu_gart_init(adev); 1444 if (r) 1445 return r; 1446 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 1447 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(MTYPE_UC) | 1448 AMDGPU_PTE_EXECUTABLE; 1449 1450 r = amdgpu_gart_table_vram_alloc(adev); 1451 if (r) 1452 return r; 1453 1454 if (adev->gmc.xgmi.connected_to_cpu) { 1455 r = amdgpu_gmc_pdb0_alloc(adev); 1456 } 1457 1458 return r; 1459 } 1460 1461 /** 1462 * gmc_v9_0_save_registers - saves regs 1463 * 1464 * @adev: amdgpu_device pointer 1465 * 1466 * This saves potential register values that should be 1467 * restored upon resume 1468 */ 1469 static void gmc_v9_0_save_registers(struct amdgpu_device *adev) 1470 { 1471 if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) || 1472 (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) 1473 adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0); 1474 } 1475 1476 static int gmc_v9_0_sw_init(void *handle) 1477 { 1478 int r, vram_width = 0, vram_type = 0, vram_vendor = 0; 1479 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1480 1481 adev->gfxhub.funcs->init(adev); 1482 1483 adev->mmhub.funcs->init(adev); 1484 if (adev->mca.funcs) 1485 adev->mca.funcs->init(adev); 1486 1487 spin_lock_init(&adev->gmc.invalidate_lock); 1488 1489 r = amdgpu_atomfirmware_get_vram_info(adev, 1490 &vram_width, &vram_type, &vram_vendor); 1491 if (amdgpu_sriov_vf(adev)) 1492 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN, 1493 * and DF related registers is not readable, seems hardcord is the 1494 * only way to set the correct vram_width 1495 */ 1496 adev->gmc.vram_width = 2048; 1497 else if (amdgpu_emu_mode != 1) 1498 adev->gmc.vram_width = vram_width; 1499 1500 if (!adev->gmc.vram_width) { 1501 int chansize, numchan; 1502 1503 /* hbm memory channel size */ 1504 if (adev->flags & AMD_IS_APU) 1505 chansize = 64; 1506 else 1507 chansize = 128; 1508 1509 numchan = adev->df.funcs->get_hbm_channel_number(adev); 1510 adev->gmc.vram_width = numchan * chansize; 1511 } 1512 1513 adev->gmc.vram_type = vram_type; 1514 adev->gmc.vram_vendor = vram_vendor; 1515 switch (adev->ip_versions[GC_HWIP][0]) { 1516 case IP_VERSION(9, 1, 0): 1517 case IP_VERSION(9, 2, 2): 1518 adev->num_vmhubs = 2; 1519 1520 if (adev->rev_id == 0x0 || adev->rev_id == 0x1) { 1521 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1522 } else { 1523 /* vm_size is 128TB + 512GB for legacy 3-level page support */ 1524 amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48); 1525 adev->gmc.translate_further = 1526 adev->vm_manager.num_level > 1; 1527 } 1528 break; 1529 case IP_VERSION(9, 0, 1): 1530 case IP_VERSION(9, 2, 1): 1531 case IP_VERSION(9, 4, 0): 1532 case IP_VERSION(9, 3, 0): 1533 case IP_VERSION(9, 4, 2): 1534 adev->num_vmhubs = 2; 1535 1536 1537 /* 1538 * To fulfill 4-level page support, 1539 * vm size is 256TB (48bit), maximum size of Vega10, 1540 * block size 512 (9bit) 1541 */ 1542 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */ 1543 if (amdgpu_sriov_vf(adev)) 1544 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47); 1545 else 1546 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1547 break; 1548 case IP_VERSION(9, 4, 1): 1549 adev->num_vmhubs = 3; 1550 1551 /* Keep the vm size same with Vega20 */ 1552 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1553 break; 1554 default: 1555 break; 1556 } 1557 1558 /* This interrupt is VMC page fault.*/ 1559 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT, 1560 &adev->gmc.vm_fault); 1561 if (r) 1562 return r; 1563 1564 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1)) { 1565 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT, 1566 &adev->gmc.vm_fault); 1567 if (r) 1568 return r; 1569 } 1570 1571 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT, 1572 &adev->gmc.vm_fault); 1573 1574 if (r) 1575 return r; 1576 1577 if (!amdgpu_sriov_vf(adev) && 1578 !adev->gmc.xgmi.connected_to_cpu) { 1579 /* interrupt sent to DF. */ 1580 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0, 1581 &adev->gmc.ecc_irq); 1582 if (r) 1583 return r; 1584 } 1585 1586 /* Set the internal MC address mask 1587 * This is the max address of the GPU's 1588 * internal address space. 1589 */ 1590 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ 1591 1592 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); 1593 if (r) { 1594 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); 1595 return r; 1596 } 1597 adev->need_swiotlb = drm_need_swiotlb(44); 1598 1599 if (adev->gmc.xgmi.supported) { 1600 r = adev->gfxhub.funcs->get_xgmi_info(adev); 1601 if (r) 1602 return r; 1603 } 1604 1605 r = gmc_v9_0_mc_init(adev); 1606 if (r) 1607 return r; 1608 1609 amdgpu_gmc_get_vbios_allocations(adev); 1610 1611 /* Memory manager */ 1612 r = amdgpu_bo_init(adev); 1613 if (r) 1614 return r; 1615 1616 r = gmc_v9_0_gart_init(adev); 1617 if (r) 1618 return r; 1619 1620 /* 1621 * number of VMs 1622 * VMID 0 is reserved for System 1623 * amdgpu graphics/compute will use VMIDs 1..n-1 1624 * amdkfd will use VMIDs n..15 1625 * 1626 * The first KFD VMID is 8 for GPUs with graphics, 3 for 1627 * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs 1628 * for video processing. 1629 */ 1630 adev->vm_manager.first_kfd_vmid = 1631 (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) || 1632 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) ? 3 : 8; 1633 1634 amdgpu_vm_manager_init(adev); 1635 1636 gmc_v9_0_save_registers(adev); 1637 1638 return 0; 1639 } 1640 1641 static int gmc_v9_0_sw_fini(void *handle) 1642 { 1643 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1644 1645 amdgpu_gmc_ras_fini(adev); 1646 amdgpu_gem_force_release(adev); 1647 amdgpu_vm_manager_fini(adev); 1648 amdgpu_gart_table_vram_free(adev); 1649 amdgpu_bo_unref(&adev->gmc.pdb0_bo); 1650 amdgpu_bo_fini(adev); 1651 1652 return 0; 1653 } 1654 1655 static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) 1656 { 1657 1658 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1659 case IP_VERSION(9, 0, 0): 1660 if (amdgpu_sriov_vf(adev)) 1661 break; 1662 fallthrough; 1663 case IP_VERSION(9, 4, 0): 1664 soc15_program_register_sequence(adev, 1665 golden_settings_mmhub_1_0_0, 1666 ARRAY_SIZE(golden_settings_mmhub_1_0_0)); 1667 soc15_program_register_sequence(adev, 1668 golden_settings_athub_1_0_0, 1669 ARRAY_SIZE(golden_settings_athub_1_0_0)); 1670 break; 1671 case IP_VERSION(9, 1, 0): 1672 case IP_VERSION(9, 2, 0): 1673 /* TODO for renoir */ 1674 soc15_program_register_sequence(adev, 1675 golden_settings_athub_1_0_0, 1676 ARRAY_SIZE(golden_settings_athub_1_0_0)); 1677 break; 1678 default: 1679 break; 1680 } 1681 } 1682 1683 /** 1684 * gmc_v9_0_restore_registers - restores regs 1685 * 1686 * @adev: amdgpu_device pointer 1687 * 1688 * This restores register values, saved at suspend. 1689 */ 1690 void gmc_v9_0_restore_registers(struct amdgpu_device *adev) 1691 { 1692 if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) || 1693 (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) { 1694 WREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register); 1695 WARN_ON(adev->gmc.sdpif_register != 1696 RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0)); 1697 } 1698 } 1699 1700 /** 1701 * gmc_v9_0_gart_enable - gart enable 1702 * 1703 * @adev: amdgpu_device pointer 1704 */ 1705 static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) 1706 { 1707 int r; 1708 1709 if (adev->gmc.xgmi.connected_to_cpu) 1710 amdgpu_gmc_init_pdb0(adev); 1711 1712 if (adev->gart.bo == NULL) { 1713 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 1714 return -EINVAL; 1715 } 1716 1717 r = amdgpu_gart_table_vram_pin(adev); 1718 if (r) 1719 return r; 1720 1721 r = adev->gfxhub.funcs->gart_enable(adev); 1722 if (r) 1723 return r; 1724 1725 r = adev->mmhub.funcs->gart_enable(adev); 1726 if (r) 1727 return r; 1728 1729 DRM_INFO("PCIE GART of %uM enabled.\n", 1730 (unsigned)(adev->gmc.gart_size >> 20)); 1731 if (adev->gmc.pdb0_bo) 1732 DRM_INFO("PDB0 located at 0x%016llX\n", 1733 (unsigned long long)amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo)); 1734 DRM_INFO("PTB located at 0x%016llX\n", 1735 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); 1736 1737 adev->gart.ready = true; 1738 return 0; 1739 } 1740 1741 static int gmc_v9_0_hw_init(void *handle) 1742 { 1743 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1744 bool value; 1745 int r, i; 1746 1747 /* The sequence of these two function calls matters.*/ 1748 gmc_v9_0_init_golden_registers(adev); 1749 1750 if (adev->mode_info.num_crtc) { 1751 /* Lockout access through VGA aperture*/ 1752 WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 1753 /* disable VGA render */ 1754 WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 1755 } 1756 1757 if (adev->mmhub.funcs->update_power_gating) 1758 adev->mmhub.funcs->update_power_gating(adev, true); 1759 1760 adev->hdp.funcs->init_registers(adev); 1761 1762 /* After HDP is initialized, flush HDP.*/ 1763 adev->hdp.funcs->flush_hdp(adev, NULL); 1764 1765 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 1766 value = false; 1767 else 1768 value = true; 1769 1770 if (!amdgpu_sriov_vf(adev)) { 1771 adev->gfxhub.funcs->set_fault_enable_default(adev, value); 1772 adev->mmhub.funcs->set_fault_enable_default(adev, value); 1773 } 1774 for (i = 0; i < adev->num_vmhubs; ++i) 1775 gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0); 1776 1777 if (adev->umc.funcs && adev->umc.funcs->init_registers) 1778 adev->umc.funcs->init_registers(adev); 1779 1780 r = gmc_v9_0_gart_enable(adev); 1781 1782 return r; 1783 } 1784 1785 /** 1786 * gmc_v9_0_gart_disable - gart disable 1787 * 1788 * @adev: amdgpu_device pointer 1789 * 1790 * This disables all VM page table. 1791 */ 1792 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev) 1793 { 1794 adev->gfxhub.funcs->gart_disable(adev); 1795 adev->mmhub.funcs->gart_disable(adev); 1796 amdgpu_gart_table_vram_unpin(adev); 1797 } 1798 1799 static int gmc_v9_0_hw_fini(void *handle) 1800 { 1801 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1802 1803 gmc_v9_0_gart_disable(adev); 1804 1805 if (amdgpu_sriov_vf(adev)) { 1806 /* full access mode, so don't touch any GMC register */ 1807 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 1808 return 0; 1809 } 1810 1811 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 1812 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 1813 1814 return 0; 1815 } 1816 1817 static int gmc_v9_0_suspend(void *handle) 1818 { 1819 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1820 1821 return gmc_v9_0_hw_fini(adev); 1822 } 1823 1824 static int gmc_v9_0_resume(void *handle) 1825 { 1826 int r; 1827 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1828 1829 r = gmc_v9_0_hw_init(adev); 1830 if (r) 1831 return r; 1832 1833 amdgpu_vmid_reset_all(adev); 1834 1835 return 0; 1836 } 1837 1838 static bool gmc_v9_0_is_idle(void *handle) 1839 { 1840 /* MC is always ready in GMC v9.*/ 1841 return true; 1842 } 1843 1844 static int gmc_v9_0_wait_for_idle(void *handle) 1845 { 1846 /* There is no need to wait for MC idle in GMC v9.*/ 1847 return 0; 1848 } 1849 1850 static int gmc_v9_0_soft_reset(void *handle) 1851 { 1852 /* XXX for emulation.*/ 1853 return 0; 1854 } 1855 1856 static int gmc_v9_0_set_clockgating_state(void *handle, 1857 enum amd_clockgating_state state) 1858 { 1859 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1860 1861 adev->mmhub.funcs->set_clockgating(adev, state); 1862 1863 athub_v1_0_set_clockgating(adev, state); 1864 1865 return 0; 1866 } 1867 1868 static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags) 1869 { 1870 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1871 1872 adev->mmhub.funcs->get_clockgating(adev, flags); 1873 1874 athub_v1_0_get_clockgating(adev, flags); 1875 } 1876 1877 static int gmc_v9_0_set_powergating_state(void *handle, 1878 enum amd_powergating_state state) 1879 { 1880 return 0; 1881 } 1882 1883 const struct amd_ip_funcs gmc_v9_0_ip_funcs = { 1884 .name = "gmc_v9_0", 1885 .early_init = gmc_v9_0_early_init, 1886 .late_init = gmc_v9_0_late_init, 1887 .sw_init = gmc_v9_0_sw_init, 1888 .sw_fini = gmc_v9_0_sw_fini, 1889 .hw_init = gmc_v9_0_hw_init, 1890 .hw_fini = gmc_v9_0_hw_fini, 1891 .suspend = gmc_v9_0_suspend, 1892 .resume = gmc_v9_0_resume, 1893 .is_idle = gmc_v9_0_is_idle, 1894 .wait_for_idle = gmc_v9_0_wait_for_idle, 1895 .soft_reset = gmc_v9_0_soft_reset, 1896 .set_clockgating_state = gmc_v9_0_set_clockgating_state, 1897 .set_powergating_state = gmc_v9_0_set_powergating_state, 1898 .get_clockgating_state = gmc_v9_0_get_clockgating_state, 1899 }; 1900 1901 const struct amdgpu_ip_block_version gmc_v9_0_ip_block = 1902 { 1903 .type = AMD_IP_BLOCK_TYPE_GMC, 1904 .major = 9, 1905 .minor = 0, 1906 .rev = 0, 1907 .funcs = &gmc_v9_0_ip_funcs, 1908 }; 1909