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 #include "amdgpu_reset.h" 66 67 /* add these here since we already include dce12 headers and these are for DCN */ 68 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d 69 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2 70 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0 71 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10 72 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL 73 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L 74 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0 0x049d 75 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX 2 76 77 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2 0x05ea 78 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2_BASE_IDX 2 79 80 81 static const char *gfxhub_client_ids[] = { 82 "CB", 83 "DB", 84 "IA", 85 "WD", 86 "CPF", 87 "CPC", 88 "CPG", 89 "RLC", 90 "TCP", 91 "SQC (inst)", 92 "SQC (data)", 93 "SQG", 94 "PA", 95 }; 96 97 static const char *mmhub_client_ids_raven[][2] = { 98 [0][0] = "MP1", 99 [1][0] = "MP0", 100 [2][0] = "VCN", 101 [3][0] = "VCNU", 102 [4][0] = "HDP", 103 [5][0] = "DCE", 104 [13][0] = "UTCL2", 105 [19][0] = "TLS", 106 [26][0] = "OSS", 107 [27][0] = "SDMA0", 108 [0][1] = "MP1", 109 [1][1] = "MP0", 110 [2][1] = "VCN", 111 [3][1] = "VCNU", 112 [4][1] = "HDP", 113 [5][1] = "XDP", 114 [6][1] = "DBGU0", 115 [7][1] = "DCE", 116 [8][1] = "DCEDWB0", 117 [9][1] = "DCEDWB1", 118 [26][1] = "OSS", 119 [27][1] = "SDMA0", 120 }; 121 122 static const char *mmhub_client_ids_renoir[][2] = { 123 [0][0] = "MP1", 124 [1][0] = "MP0", 125 [2][0] = "HDP", 126 [4][0] = "DCEDMC", 127 [5][0] = "DCEVGA", 128 [13][0] = "UTCL2", 129 [19][0] = "TLS", 130 [26][0] = "OSS", 131 [27][0] = "SDMA0", 132 [28][0] = "VCN", 133 [29][0] = "VCNU", 134 [30][0] = "JPEG", 135 [0][1] = "MP1", 136 [1][1] = "MP0", 137 [2][1] = "HDP", 138 [3][1] = "XDP", 139 [6][1] = "DBGU0", 140 [7][1] = "DCEDMC", 141 [8][1] = "DCEVGA", 142 [9][1] = "DCEDWB", 143 [26][1] = "OSS", 144 [27][1] = "SDMA0", 145 [28][1] = "VCN", 146 [29][1] = "VCNU", 147 [30][1] = "JPEG", 148 }; 149 150 static const char *mmhub_client_ids_vega10[][2] = { 151 [0][0] = "MP0", 152 [1][0] = "UVD", 153 [2][0] = "UVDU", 154 [3][0] = "HDP", 155 [13][0] = "UTCL2", 156 [14][0] = "OSS", 157 [15][0] = "SDMA1", 158 [32+0][0] = "VCE0", 159 [32+1][0] = "VCE0U", 160 [32+2][0] = "XDMA", 161 [32+3][0] = "DCE", 162 [32+4][0] = "MP1", 163 [32+14][0] = "SDMA0", 164 [0][1] = "MP0", 165 [1][1] = "UVD", 166 [2][1] = "UVDU", 167 [3][1] = "DBGU0", 168 [4][1] = "HDP", 169 [5][1] = "XDP", 170 [14][1] = "OSS", 171 [15][1] = "SDMA0", 172 [32+0][1] = "VCE0", 173 [32+1][1] = "VCE0U", 174 [32+2][1] = "XDMA", 175 [32+3][1] = "DCE", 176 [32+4][1] = "DCEDWB", 177 [32+5][1] = "MP1", 178 [32+6][1] = "DBGU1", 179 [32+14][1] = "SDMA1", 180 }; 181 182 static const char *mmhub_client_ids_vega12[][2] = { 183 [0][0] = "MP0", 184 [1][0] = "VCE0", 185 [2][0] = "VCE0U", 186 [3][0] = "HDP", 187 [13][0] = "UTCL2", 188 [14][0] = "OSS", 189 [15][0] = "SDMA1", 190 [32+0][0] = "DCE", 191 [32+1][0] = "XDMA", 192 [32+2][0] = "UVD", 193 [32+3][0] = "UVDU", 194 [32+4][0] = "MP1", 195 [32+15][0] = "SDMA0", 196 [0][1] = "MP0", 197 [1][1] = "VCE0", 198 [2][1] = "VCE0U", 199 [3][1] = "DBGU0", 200 [4][1] = "HDP", 201 [5][1] = "XDP", 202 [14][1] = "OSS", 203 [15][1] = "SDMA0", 204 [32+0][1] = "DCE", 205 [32+1][1] = "DCEDWB", 206 [32+2][1] = "XDMA", 207 [32+3][1] = "UVD", 208 [32+4][1] = "UVDU", 209 [32+5][1] = "MP1", 210 [32+6][1] = "DBGU1", 211 [32+15][1] = "SDMA1", 212 }; 213 214 static const char *mmhub_client_ids_vega20[][2] = { 215 [0][0] = "XDMA", 216 [1][0] = "DCE", 217 [2][0] = "VCE0", 218 [3][0] = "VCE0U", 219 [4][0] = "UVD", 220 [5][0] = "UVD1U", 221 [13][0] = "OSS", 222 [14][0] = "HDP", 223 [15][0] = "SDMA0", 224 [32+0][0] = "UVD", 225 [32+1][0] = "UVDU", 226 [32+2][0] = "MP1", 227 [32+3][0] = "MP0", 228 [32+12][0] = "UTCL2", 229 [32+14][0] = "SDMA1", 230 [0][1] = "XDMA", 231 [1][1] = "DCE", 232 [2][1] = "DCEDWB", 233 [3][1] = "VCE0", 234 [4][1] = "VCE0U", 235 [5][1] = "UVD1", 236 [6][1] = "UVD1U", 237 [7][1] = "DBGU0", 238 [8][1] = "XDP", 239 [13][1] = "OSS", 240 [14][1] = "HDP", 241 [15][1] = "SDMA0", 242 [32+0][1] = "UVD", 243 [32+1][1] = "UVDU", 244 [32+2][1] = "DBGU1", 245 [32+3][1] = "MP1", 246 [32+4][1] = "MP0", 247 [32+14][1] = "SDMA1", 248 }; 249 250 static const char *mmhub_client_ids_arcturus[][2] = { 251 [0][0] = "DBGU1", 252 [1][0] = "XDP", 253 [2][0] = "MP1", 254 [14][0] = "HDP", 255 [171][0] = "JPEG", 256 [172][0] = "VCN", 257 [173][0] = "VCNU", 258 [203][0] = "JPEG1", 259 [204][0] = "VCN1", 260 [205][0] = "VCN1U", 261 [256][0] = "SDMA0", 262 [257][0] = "SDMA1", 263 [258][0] = "SDMA2", 264 [259][0] = "SDMA3", 265 [260][0] = "SDMA4", 266 [261][0] = "SDMA5", 267 [262][0] = "SDMA6", 268 [263][0] = "SDMA7", 269 [384][0] = "OSS", 270 [0][1] = "DBGU1", 271 [1][1] = "XDP", 272 [2][1] = "MP1", 273 [14][1] = "HDP", 274 [171][1] = "JPEG", 275 [172][1] = "VCN", 276 [173][1] = "VCNU", 277 [203][1] = "JPEG1", 278 [204][1] = "VCN1", 279 [205][1] = "VCN1U", 280 [256][1] = "SDMA0", 281 [257][1] = "SDMA1", 282 [258][1] = "SDMA2", 283 [259][1] = "SDMA3", 284 [260][1] = "SDMA4", 285 [261][1] = "SDMA5", 286 [262][1] = "SDMA6", 287 [263][1] = "SDMA7", 288 [384][1] = "OSS", 289 }; 290 291 static const char *mmhub_client_ids_aldebaran[][2] = { 292 [2][0] = "MP1", 293 [3][0] = "MP0", 294 [32+1][0] = "DBGU_IO0", 295 [32+2][0] = "DBGU_IO2", 296 [32+4][0] = "MPIO", 297 [96+11][0] = "JPEG0", 298 [96+12][0] = "VCN0", 299 [96+13][0] = "VCNU0", 300 [128+11][0] = "JPEG1", 301 [128+12][0] = "VCN1", 302 [128+13][0] = "VCNU1", 303 [160+1][0] = "XDP", 304 [160+14][0] = "HDP", 305 [256+0][0] = "SDMA0", 306 [256+1][0] = "SDMA1", 307 [256+2][0] = "SDMA2", 308 [256+3][0] = "SDMA3", 309 [256+4][0] = "SDMA4", 310 [384+0][0] = "OSS", 311 [2][1] = "MP1", 312 [3][1] = "MP0", 313 [32+1][1] = "DBGU_IO0", 314 [32+2][1] = "DBGU_IO2", 315 [32+4][1] = "MPIO", 316 [96+11][1] = "JPEG0", 317 [96+12][1] = "VCN0", 318 [96+13][1] = "VCNU0", 319 [128+11][1] = "JPEG1", 320 [128+12][1] = "VCN1", 321 [128+13][1] = "VCNU1", 322 [160+1][1] = "XDP", 323 [160+14][1] = "HDP", 324 [256+0][1] = "SDMA0", 325 [256+1][1] = "SDMA1", 326 [256+2][1] = "SDMA2", 327 [256+3][1] = "SDMA3", 328 [256+4][1] = "SDMA4", 329 [384+0][1] = "OSS", 330 }; 331 332 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] = 333 { 334 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa), 335 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565) 336 }; 337 338 static const struct soc15_reg_golden golden_settings_athub_1_0_0[] = 339 { 340 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800), 341 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008) 342 }; 343 344 static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = { 345 (0x000143c0 + 0x00000000), 346 (0x000143c0 + 0x00000800), 347 (0x000143c0 + 0x00001000), 348 (0x000143c0 + 0x00001800), 349 (0x000543c0 + 0x00000000), 350 (0x000543c0 + 0x00000800), 351 (0x000543c0 + 0x00001000), 352 (0x000543c0 + 0x00001800), 353 (0x000943c0 + 0x00000000), 354 (0x000943c0 + 0x00000800), 355 (0x000943c0 + 0x00001000), 356 (0x000943c0 + 0x00001800), 357 (0x000d43c0 + 0x00000000), 358 (0x000d43c0 + 0x00000800), 359 (0x000d43c0 + 0x00001000), 360 (0x000d43c0 + 0x00001800), 361 (0x001143c0 + 0x00000000), 362 (0x001143c0 + 0x00000800), 363 (0x001143c0 + 0x00001000), 364 (0x001143c0 + 0x00001800), 365 (0x001543c0 + 0x00000000), 366 (0x001543c0 + 0x00000800), 367 (0x001543c0 + 0x00001000), 368 (0x001543c0 + 0x00001800), 369 (0x001943c0 + 0x00000000), 370 (0x001943c0 + 0x00000800), 371 (0x001943c0 + 0x00001000), 372 (0x001943c0 + 0x00001800), 373 (0x001d43c0 + 0x00000000), 374 (0x001d43c0 + 0x00000800), 375 (0x001d43c0 + 0x00001000), 376 (0x001d43c0 + 0x00001800), 377 }; 378 379 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = { 380 (0x000143e0 + 0x00000000), 381 (0x000143e0 + 0x00000800), 382 (0x000143e0 + 0x00001000), 383 (0x000143e0 + 0x00001800), 384 (0x000543e0 + 0x00000000), 385 (0x000543e0 + 0x00000800), 386 (0x000543e0 + 0x00001000), 387 (0x000543e0 + 0x00001800), 388 (0x000943e0 + 0x00000000), 389 (0x000943e0 + 0x00000800), 390 (0x000943e0 + 0x00001000), 391 (0x000943e0 + 0x00001800), 392 (0x000d43e0 + 0x00000000), 393 (0x000d43e0 + 0x00000800), 394 (0x000d43e0 + 0x00001000), 395 (0x000d43e0 + 0x00001800), 396 (0x001143e0 + 0x00000000), 397 (0x001143e0 + 0x00000800), 398 (0x001143e0 + 0x00001000), 399 (0x001143e0 + 0x00001800), 400 (0x001543e0 + 0x00000000), 401 (0x001543e0 + 0x00000800), 402 (0x001543e0 + 0x00001000), 403 (0x001543e0 + 0x00001800), 404 (0x001943e0 + 0x00000000), 405 (0x001943e0 + 0x00000800), 406 (0x001943e0 + 0x00001000), 407 (0x001943e0 + 0x00001800), 408 (0x001d43e0 + 0x00000000), 409 (0x001d43e0 + 0x00000800), 410 (0x001d43e0 + 0x00001000), 411 (0x001d43e0 + 0x00001800), 412 }; 413 414 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev, 415 struct amdgpu_irq_src *src, 416 unsigned type, 417 enum amdgpu_interrupt_state state) 418 { 419 u32 bits, i, tmp, reg; 420 421 /* Devices newer then VEGA10/12 shall have these programming 422 sequences performed by PSP BL */ 423 if (adev->asic_type >= CHIP_VEGA20) 424 return 0; 425 426 bits = 0x7f; 427 428 switch (state) { 429 case AMDGPU_IRQ_STATE_DISABLE: 430 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) { 431 reg = ecc_umc_mcumc_ctrl_addrs[i]; 432 tmp = RREG32(reg); 433 tmp &= ~bits; 434 WREG32(reg, tmp); 435 } 436 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) { 437 reg = ecc_umc_mcumc_ctrl_mask_addrs[i]; 438 tmp = RREG32(reg); 439 tmp &= ~bits; 440 WREG32(reg, tmp); 441 } 442 break; 443 case AMDGPU_IRQ_STATE_ENABLE: 444 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) { 445 reg = ecc_umc_mcumc_ctrl_addrs[i]; 446 tmp = RREG32(reg); 447 tmp |= bits; 448 WREG32(reg, tmp); 449 } 450 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) { 451 reg = ecc_umc_mcumc_ctrl_mask_addrs[i]; 452 tmp = RREG32(reg); 453 tmp |= bits; 454 WREG32(reg, tmp); 455 } 456 break; 457 default: 458 break; 459 } 460 461 return 0; 462 } 463 464 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 465 struct amdgpu_irq_src *src, 466 unsigned type, 467 enum amdgpu_interrupt_state state) 468 { 469 struct amdgpu_vmhub *hub; 470 u32 tmp, reg, bits, i, j; 471 472 bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 473 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 474 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 475 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 476 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 477 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 478 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 479 480 switch (state) { 481 case AMDGPU_IRQ_STATE_DISABLE: 482 for (j = 0; j < adev->num_vmhubs; j++) { 483 hub = &adev->vmhub[j]; 484 for (i = 0; i < 16; i++) { 485 reg = hub->vm_context0_cntl + i; 486 487 if (j == AMDGPU_GFXHUB_0) 488 tmp = RREG32_SOC15_IP(GC, reg); 489 else 490 tmp = RREG32_SOC15_IP(MMHUB, reg); 491 492 tmp &= ~bits; 493 494 if (j == AMDGPU_GFXHUB_0) 495 WREG32_SOC15_IP(GC, reg, tmp); 496 else 497 WREG32_SOC15_IP(MMHUB, reg, tmp); 498 } 499 } 500 break; 501 case AMDGPU_IRQ_STATE_ENABLE: 502 for (j = 0; j < adev->num_vmhubs; j++) { 503 hub = &adev->vmhub[j]; 504 for (i = 0; i < 16; i++) { 505 reg = hub->vm_context0_cntl + i; 506 507 if (j == AMDGPU_GFXHUB_0) 508 tmp = RREG32_SOC15_IP(GC, reg); 509 else 510 tmp = RREG32_SOC15_IP(MMHUB, reg); 511 512 tmp |= bits; 513 514 if (j == AMDGPU_GFXHUB_0) 515 WREG32_SOC15_IP(GC, reg, tmp); 516 else 517 WREG32_SOC15_IP(MMHUB, reg, tmp); 518 } 519 } 520 break; 521 default: 522 break; 523 } 524 525 return 0; 526 } 527 528 static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, 529 struct amdgpu_irq_src *source, 530 struct amdgpu_iv_entry *entry) 531 { 532 bool retry_fault = !!(entry->src_data[1] & 0x80); 533 bool write_fault = !!(entry->src_data[1] & 0x20); 534 uint32_t status = 0, cid = 0, rw = 0; 535 struct amdgpu_task_info task_info; 536 struct amdgpu_vmhub *hub; 537 const char *mmhub_cid; 538 const char *hub_name; 539 u64 addr; 540 541 addr = (u64)entry->src_data[0] << 12; 542 addr |= ((u64)entry->src_data[1] & 0xf) << 44; 543 544 if (retry_fault) { 545 /* Returning 1 here also prevents sending the IV to the KFD */ 546 547 /* Process it onyl if it's the first fault for this address */ 548 if (entry->ih != &adev->irq.ih_soft && 549 amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid, 550 entry->timestamp)) 551 return 1; 552 553 /* Delegate it to a different ring if the hardware hasn't 554 * already done it. 555 */ 556 if (entry->ih == &adev->irq.ih) { 557 amdgpu_irq_delegate(adev, entry, 8); 558 return 1; 559 } 560 561 /* Try to handle the recoverable page faults by filling page 562 * tables 563 */ 564 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault)) 565 return 1; 566 } 567 568 if (!printk_ratelimit()) 569 return 0; 570 571 if (entry->client_id == SOC15_IH_CLIENTID_VMC) { 572 hub_name = "mmhub0"; 573 hub = &adev->vmhub[AMDGPU_MMHUB_0]; 574 } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) { 575 hub_name = "mmhub1"; 576 hub = &adev->vmhub[AMDGPU_MMHUB_1]; 577 } else { 578 hub_name = "gfxhub0"; 579 hub = &adev->vmhub[AMDGPU_GFXHUB_0]; 580 } 581 582 memset(&task_info, 0, sizeof(struct amdgpu_task_info)); 583 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 584 585 dev_err(adev->dev, 586 "[%s] %s page fault (src_id:%u ring:%u vmid:%u " 587 "pasid:%u, for process %s pid %d thread %s pid %d)\n", 588 hub_name, retry_fault ? "retry" : "no-retry", 589 entry->src_id, entry->ring_id, entry->vmid, 590 entry->pasid, task_info.process_name, task_info.tgid, 591 task_info.task_name, task_info.pid); 592 dev_err(adev->dev, " in page starting at address 0x%016llx from IH client 0x%x (%s)\n", 593 addr, entry->client_id, 594 soc15_ih_clientid_name[entry->client_id]); 595 596 if (amdgpu_sriov_vf(adev)) 597 return 0; 598 599 /* 600 * Issue a dummy read to wait for the status register to 601 * be updated to avoid reading an incorrect value due to 602 * the new fast GRBM interface. 603 */ 604 if ((entry->vmid_src == AMDGPU_GFXHUB_0) && 605 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2))) 606 RREG32(hub->vm_l2_pro_fault_status); 607 608 status = RREG32(hub->vm_l2_pro_fault_status); 609 cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID); 610 rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW); 611 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); 612 613 614 dev_err(adev->dev, 615 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", 616 status); 617 if (hub == &adev->vmhub[AMDGPU_GFXHUB_0]) { 618 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 619 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : 620 gfxhub_client_ids[cid], 621 cid); 622 } else { 623 switch (adev->ip_versions[MMHUB_HWIP][0]) { 624 case IP_VERSION(9, 0, 0): 625 mmhub_cid = mmhub_client_ids_vega10[cid][rw]; 626 break; 627 case IP_VERSION(9, 3, 0): 628 mmhub_cid = mmhub_client_ids_vega12[cid][rw]; 629 break; 630 case IP_VERSION(9, 4, 0): 631 mmhub_cid = mmhub_client_ids_vega20[cid][rw]; 632 break; 633 case IP_VERSION(9, 4, 1): 634 mmhub_cid = mmhub_client_ids_arcturus[cid][rw]; 635 break; 636 case IP_VERSION(9, 1, 0): 637 case IP_VERSION(9, 2, 0): 638 mmhub_cid = mmhub_client_ids_raven[cid][rw]; 639 break; 640 case IP_VERSION(1, 5, 0): 641 case IP_VERSION(2, 4, 0): 642 mmhub_cid = mmhub_client_ids_renoir[cid][rw]; 643 break; 644 case IP_VERSION(9, 4, 2): 645 mmhub_cid = mmhub_client_ids_aldebaran[cid][rw]; 646 break; 647 default: 648 mmhub_cid = NULL; 649 break; 650 } 651 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 652 mmhub_cid ? mmhub_cid : "unknown", cid); 653 } 654 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 655 REG_GET_FIELD(status, 656 VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); 657 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 658 REG_GET_FIELD(status, 659 VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); 660 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 661 REG_GET_FIELD(status, 662 VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); 663 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 664 REG_GET_FIELD(status, 665 VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); 666 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 667 return 0; 668 } 669 670 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = { 671 .set = gmc_v9_0_vm_fault_interrupt_state, 672 .process = gmc_v9_0_process_interrupt, 673 }; 674 675 676 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = { 677 .set = gmc_v9_0_ecc_interrupt_state, 678 .process = amdgpu_umc_process_ecc_irq, 679 }; 680 681 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev) 682 { 683 adev->gmc.vm_fault.num_types = 1; 684 adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs; 685 686 if (!amdgpu_sriov_vf(adev) && 687 !adev->gmc.xgmi.connected_to_cpu) { 688 adev->gmc.ecc_irq.num_types = 1; 689 adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs; 690 } 691 } 692 693 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid, 694 uint32_t flush_type) 695 { 696 u32 req = 0; 697 698 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, 699 PER_VMID_INVALIDATE_REQ, 1 << vmid); 700 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); 701 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 702 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 703 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 704 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 705 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 706 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, 707 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 708 709 return req; 710 } 711 712 /** 713 * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore 714 * 715 * @adev: amdgpu_device pointer 716 * @vmhub: vmhub type 717 * 718 */ 719 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev, 720 uint32_t vmhub) 721 { 722 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) 723 return false; 724 725 return ((vmhub == AMDGPU_MMHUB_0 || 726 vmhub == AMDGPU_MMHUB_1) && 727 (!amdgpu_sriov_vf(adev)) && 728 (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) && 729 (adev->apu_flags & AMD_APU_IS_PICASSO)))); 730 } 731 732 static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev, 733 uint8_t vmid, uint16_t *p_pasid) 734 { 735 uint32_t value; 736 737 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) 738 + vmid); 739 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; 740 741 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); 742 } 743 744 /* 745 * GART 746 * VMID 0 is the physical GPU addresses as used by the kernel. 747 * VMIDs 1-15 are used for userspace clients and are handled 748 * by the amdgpu vm/hsa code. 749 */ 750 751 /** 752 * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type 753 * 754 * @adev: amdgpu_device pointer 755 * @vmid: vm instance to flush 756 * @vmhub: which hub to flush 757 * @flush_type: the flush type 758 * 759 * Flush the TLB for the requested page table using certain type. 760 */ 761 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 762 uint32_t vmhub, uint32_t flush_type) 763 { 764 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub); 765 const unsigned eng = 17; 766 u32 j, inv_req, inv_req2, tmp; 767 struct amdgpu_vmhub *hub; 768 769 BUG_ON(vmhub >= adev->num_vmhubs); 770 771 hub = &adev->vmhub[vmhub]; 772 if (adev->gmc.xgmi.num_physical_nodes && 773 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)) { 774 /* Vega20+XGMI caches PTEs in TC and TLB. Add a 775 * heavy-weight TLB flush (type 2), which flushes 776 * both. Due to a race condition with concurrent 777 * memory accesses using the same TLB cache line, we 778 * still need a second TLB flush after this. 779 */ 780 inv_req = gmc_v9_0_get_invalidate_req(vmid, 2); 781 inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type); 782 } else { 783 inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type); 784 inv_req2 = 0; 785 } 786 787 /* This is necessary for a HW workaround under SRIOV as well 788 * as GFXOFF under bare metal 789 */ 790 if (adev->gfx.kiq.ring.sched.ready && 791 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) && 792 down_read_trylock(&adev->reset_domain->sem)) { 793 uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng; 794 uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; 795 796 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req, 797 1 << vmid); 798 up_read(&adev->reset_domain->sem); 799 return; 800 } 801 802 spin_lock(&adev->gmc.invalidate_lock); 803 804 /* 805 * It may lose gpuvm invalidate acknowldege state across power-gating 806 * off cycle, add semaphore acquire before invalidation and semaphore 807 * release after invalidation to avoid entering power gated state 808 * to WA the Issue 809 */ 810 811 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 812 if (use_semaphore) { 813 for (j = 0; j < adev->usec_timeout; j++) { 814 /* a read return value of 1 means semaphore acquire */ 815 if (vmhub == AMDGPU_GFXHUB_0) 816 tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng); 817 else 818 tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng); 819 820 if (tmp & 0x1) 821 break; 822 udelay(1); 823 } 824 825 if (j >= adev->usec_timeout) 826 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); 827 } 828 829 do { 830 if (vmhub == AMDGPU_GFXHUB_0) 831 WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req); 832 else 833 WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req); 834 835 /* 836 * Issue a dummy read to wait for the ACK register to 837 * be cleared to avoid a false ACK due to the new fast 838 * GRBM interface. 839 */ 840 if ((vmhub == AMDGPU_GFXHUB_0) && 841 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2))) 842 RREG32_NO_KIQ(hub->vm_inv_eng0_req + 843 hub->eng_distance * eng); 844 845 for (j = 0; j < adev->usec_timeout; j++) { 846 if (vmhub == AMDGPU_GFXHUB_0) 847 tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_ack + hub->eng_distance * eng); 848 else 849 tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_ack + hub->eng_distance * eng); 850 851 if (tmp & (1 << vmid)) 852 break; 853 udelay(1); 854 } 855 856 inv_req = inv_req2; 857 inv_req2 = 0; 858 } while (inv_req); 859 860 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 861 if (use_semaphore) { 862 /* 863 * add semaphore release after invalidation, 864 * write with 0 means semaphore release 865 */ 866 if (vmhub == AMDGPU_GFXHUB_0) 867 WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0); 868 else 869 WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0); 870 } 871 872 spin_unlock(&adev->gmc.invalidate_lock); 873 874 if (j < adev->usec_timeout) 875 return; 876 877 DRM_ERROR("Timeout waiting for VM flush ACK!\n"); 878 } 879 880 /** 881 * gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid 882 * 883 * @adev: amdgpu_device pointer 884 * @pasid: pasid to be flush 885 * @flush_type: the flush type 886 * @all_hub: flush all hubs 887 * 888 * Flush the TLB for the requested pasid. 889 */ 890 static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 891 uint16_t pasid, uint32_t flush_type, 892 bool all_hub) 893 { 894 int vmid, i; 895 signed long r; 896 uint32_t seq; 897 uint16_t queried_pasid; 898 bool ret; 899 struct amdgpu_ring *ring = &adev->gfx.kiq.ring; 900 struct amdgpu_kiq *kiq = &adev->gfx.kiq; 901 902 if (amdgpu_in_reset(adev)) 903 return -EIO; 904 905 if (ring->sched.ready && down_read_trylock(&adev->reset_domain->sem)) { 906 /* Vega20+XGMI caches PTEs in TC and TLB. Add a 907 * heavy-weight TLB flush (type 2), which flushes 908 * both. Due to a race condition with concurrent 909 * memory accesses using the same TLB cache line, we 910 * still need a second TLB flush after this. 911 */ 912 bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes && 913 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)); 914 /* 2 dwords flush + 8 dwords fence */ 915 unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8; 916 917 if (vega20_xgmi_wa) 918 ndw += kiq->pmf->invalidate_tlbs_size; 919 920 spin_lock(&adev->gfx.kiq.ring_lock); 921 /* 2 dwords flush + 8 dwords fence */ 922 amdgpu_ring_alloc(ring, ndw); 923 if (vega20_xgmi_wa) 924 kiq->pmf->kiq_invalidate_tlbs(ring, 925 pasid, 2, all_hub); 926 kiq->pmf->kiq_invalidate_tlbs(ring, 927 pasid, flush_type, all_hub); 928 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); 929 if (r) { 930 amdgpu_ring_undo(ring); 931 spin_unlock(&adev->gfx.kiq.ring_lock); 932 up_read(&adev->reset_domain->sem); 933 return -ETIME; 934 } 935 936 amdgpu_ring_commit(ring); 937 spin_unlock(&adev->gfx.kiq.ring_lock); 938 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout); 939 if (r < 1) { 940 dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r); 941 up_read(&adev->reset_domain->sem); 942 return -ETIME; 943 } 944 up_read(&adev->reset_domain->sem); 945 return 0; 946 } 947 948 for (vmid = 1; vmid < 16; vmid++) { 949 950 ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid, 951 &queried_pasid); 952 if (ret && queried_pasid == pasid) { 953 if (all_hub) { 954 for (i = 0; i < adev->num_vmhubs; i++) 955 gmc_v9_0_flush_gpu_tlb(adev, vmid, 956 i, flush_type); 957 } else { 958 gmc_v9_0_flush_gpu_tlb(adev, vmid, 959 AMDGPU_GFXHUB_0, flush_type); 960 } 961 break; 962 } 963 } 964 965 return 0; 966 967 } 968 969 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 970 unsigned vmid, uint64_t pd_addr) 971 { 972 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub); 973 struct amdgpu_device *adev = ring->adev; 974 struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub]; 975 uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0); 976 unsigned eng = ring->vm_inv_eng; 977 978 /* 979 * It may lose gpuvm invalidate acknowldege state across power-gating 980 * off cycle, add semaphore acquire before invalidation and semaphore 981 * release after invalidation to avoid entering power gated state 982 * to WA the Issue 983 */ 984 985 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 986 if (use_semaphore) 987 /* a read return value of 1 means semaphore acuqire */ 988 amdgpu_ring_emit_reg_wait(ring, 989 hub->vm_inv_eng0_sem + 990 hub->eng_distance * eng, 0x1, 0x1); 991 992 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + 993 (hub->ctx_addr_distance * vmid), 994 lower_32_bits(pd_addr)); 995 996 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + 997 (hub->ctx_addr_distance * vmid), 998 upper_32_bits(pd_addr)); 999 1000 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + 1001 hub->eng_distance * eng, 1002 hub->vm_inv_eng0_ack + 1003 hub->eng_distance * eng, 1004 req, 1 << vmid); 1005 1006 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 1007 if (use_semaphore) 1008 /* 1009 * add semaphore release after invalidation, 1010 * write with 0 means semaphore release 1011 */ 1012 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem + 1013 hub->eng_distance * eng, 0); 1014 1015 return pd_addr; 1016 } 1017 1018 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 1019 unsigned pasid) 1020 { 1021 struct amdgpu_device *adev = ring->adev; 1022 uint32_t reg; 1023 1024 /* Do nothing because there's no lut register for mmhub1. */ 1025 if (ring->funcs->vmhub == AMDGPU_MMHUB_1) 1026 return; 1027 1028 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) 1029 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid; 1030 else 1031 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid; 1032 1033 amdgpu_ring_emit_wreg(ring, reg, pasid); 1034 } 1035 1036 /* 1037 * PTE format on VEGA 10: 1038 * 63:59 reserved 1039 * 58:57 mtype 1040 * 56 F 1041 * 55 L 1042 * 54 P 1043 * 53 SW 1044 * 52 T 1045 * 50:48 reserved 1046 * 47:12 4k physical page base address 1047 * 11:7 fragment 1048 * 6 write 1049 * 5 read 1050 * 4 exe 1051 * 3 Z 1052 * 2 snooped 1053 * 1 system 1054 * 0 valid 1055 * 1056 * PDE format on VEGA 10: 1057 * 63:59 block fragment size 1058 * 58:55 reserved 1059 * 54 P 1060 * 53:48 reserved 1061 * 47:6 physical base address of PD or PTE 1062 * 5:3 reserved 1063 * 2 C 1064 * 1 system 1065 * 0 valid 1066 */ 1067 1068 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) 1069 1070 { 1071 switch (flags) { 1072 case AMDGPU_VM_MTYPE_DEFAULT: 1073 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1074 case AMDGPU_VM_MTYPE_NC: 1075 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1076 case AMDGPU_VM_MTYPE_WC: 1077 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC); 1078 case AMDGPU_VM_MTYPE_RW: 1079 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW); 1080 case AMDGPU_VM_MTYPE_CC: 1081 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC); 1082 case AMDGPU_VM_MTYPE_UC: 1083 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC); 1084 default: 1085 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC); 1086 } 1087 } 1088 1089 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level, 1090 uint64_t *addr, uint64_t *flags) 1091 { 1092 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM)) 1093 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr); 1094 BUG_ON(*addr & 0xFFFF00000000003FULL); 1095 1096 if (!adev->gmc.translate_further) 1097 return; 1098 1099 if (level == AMDGPU_VM_PDB1) { 1100 /* Set the block fragment size */ 1101 if (!(*flags & AMDGPU_PDE_PTE)) 1102 *flags |= AMDGPU_PDE_BFS(0x9); 1103 1104 } else if (level == AMDGPU_VM_PDB0) { 1105 if (*flags & AMDGPU_PDE_PTE) 1106 *flags &= ~AMDGPU_PDE_PTE; 1107 else 1108 *flags |= AMDGPU_PTE_TF; 1109 } 1110 } 1111 1112 static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev, 1113 struct amdgpu_bo_va_mapping *mapping, 1114 uint64_t *flags) 1115 { 1116 *flags &= ~AMDGPU_PTE_EXECUTABLE; 1117 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; 1118 1119 *flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK; 1120 *flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK; 1121 1122 if (mapping->flags & AMDGPU_PTE_PRT) { 1123 *flags |= AMDGPU_PTE_PRT; 1124 *flags &= ~AMDGPU_PTE_VALID; 1125 } 1126 1127 if ((adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) || 1128 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) && 1129 !(*flags & AMDGPU_PTE_SYSTEM) && 1130 mapping->bo_va->is_xgmi) 1131 *flags |= AMDGPU_PTE_SNOOPED; 1132 1133 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) 1134 *flags |= mapping->flags & AMDGPU_PTE_SNOOPED; 1135 } 1136 1137 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev) 1138 { 1139 u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); 1140 unsigned size; 1141 1142 /* TODO move to DC so GMC doesn't need to hard-code DCN registers */ 1143 1144 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 1145 size = AMDGPU_VBIOS_VGA_ALLOCATION; 1146 } else { 1147 u32 viewport; 1148 1149 switch (adev->ip_versions[DCE_HWIP][0]) { 1150 case IP_VERSION(1, 0, 0): 1151 case IP_VERSION(1, 0, 1): 1152 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); 1153 size = (REG_GET_FIELD(viewport, 1154 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * 1155 REG_GET_FIELD(viewport, 1156 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) * 1157 4); 1158 break; 1159 case IP_VERSION(2, 1, 0): 1160 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2); 1161 size = (REG_GET_FIELD(viewport, 1162 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * 1163 REG_GET_FIELD(viewport, 1164 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) * 1165 4); 1166 break; 1167 default: 1168 viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE); 1169 size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) * 1170 REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) * 1171 4); 1172 break; 1173 } 1174 } 1175 1176 return size; 1177 } 1178 1179 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = { 1180 .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb, 1181 .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid, 1182 .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb, 1183 .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping, 1184 .map_mtype = gmc_v9_0_map_mtype, 1185 .get_vm_pde = gmc_v9_0_get_vm_pde, 1186 .get_vm_pte = gmc_v9_0_get_vm_pte, 1187 .get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size, 1188 }; 1189 1190 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev) 1191 { 1192 adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs; 1193 } 1194 1195 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev) 1196 { 1197 switch (adev->ip_versions[UMC_HWIP][0]) { 1198 case IP_VERSION(6, 0, 0): 1199 adev->umc.funcs = &umc_v6_0_funcs; 1200 break; 1201 case IP_VERSION(6, 1, 1): 1202 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM; 1203 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM; 1204 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM; 1205 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20; 1206 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0]; 1207 adev->umc.ras = &umc_v6_1_ras; 1208 break; 1209 case IP_VERSION(6, 1, 2): 1210 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM; 1211 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM; 1212 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM; 1213 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT; 1214 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0]; 1215 adev->umc.ras = &umc_v6_1_ras; 1216 break; 1217 case IP_VERSION(6, 7, 0): 1218 adev->umc.max_ras_err_cnt_per_query = 1219 UMC_V6_7_TOTAL_CHANNEL_NUM * UMC_V6_7_BAD_PAGE_NUM_PER_CHANNEL; 1220 adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM; 1221 adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM; 1222 adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET; 1223 if (!adev->gmc.xgmi.connected_to_cpu) 1224 adev->umc.ras = &umc_v6_7_ras; 1225 if (1 & adev->smuio.funcs->get_die_id(adev)) 1226 adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0][0]; 1227 else 1228 adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0][0]; 1229 break; 1230 default: 1231 break; 1232 } 1233 1234 if (adev->umc.ras) { 1235 amdgpu_ras_register_ras_block(adev, &adev->umc.ras->ras_block); 1236 1237 strcpy(adev->umc.ras->ras_block.ras_comm.name, "umc"); 1238 adev->umc.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__UMC; 1239 adev->umc.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; 1240 adev->umc.ras_if = &adev->umc.ras->ras_block.ras_comm; 1241 1242 /* If don't define special ras_late_init function, use default ras_late_init */ 1243 if (!adev->umc.ras->ras_block.ras_late_init) 1244 adev->umc.ras->ras_block.ras_late_init = amdgpu_umc_ras_late_init; 1245 1246 /* If not defined special ras_cb function, use default ras_cb */ 1247 if (!adev->umc.ras->ras_block.ras_cb) 1248 adev->umc.ras->ras_block.ras_cb = amdgpu_umc_process_ras_data_cb; 1249 } 1250 } 1251 1252 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev) 1253 { 1254 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1255 case IP_VERSION(9, 4, 1): 1256 adev->mmhub.funcs = &mmhub_v9_4_funcs; 1257 break; 1258 case IP_VERSION(9, 4, 2): 1259 adev->mmhub.funcs = &mmhub_v1_7_funcs; 1260 break; 1261 default: 1262 adev->mmhub.funcs = &mmhub_v1_0_funcs; 1263 break; 1264 } 1265 } 1266 1267 static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev) 1268 { 1269 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1270 case IP_VERSION(9, 4, 0): 1271 adev->mmhub.ras = &mmhub_v1_0_ras; 1272 break; 1273 case IP_VERSION(9, 4, 1): 1274 adev->mmhub.ras = &mmhub_v9_4_ras; 1275 break; 1276 case IP_VERSION(9, 4, 2): 1277 adev->mmhub.ras = &mmhub_v1_7_ras; 1278 break; 1279 default: 1280 /* mmhub ras is not available */ 1281 break; 1282 } 1283 1284 if (adev->mmhub.ras) { 1285 amdgpu_ras_register_ras_block(adev, &adev->mmhub.ras->ras_block); 1286 1287 strcpy(adev->mmhub.ras->ras_block.ras_comm.name, "mmhub"); 1288 adev->mmhub.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__MMHUB; 1289 adev->mmhub.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; 1290 adev->mmhub.ras_if = &adev->mmhub.ras->ras_block.ras_comm; 1291 } 1292 } 1293 1294 static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev) 1295 { 1296 adev->gfxhub.funcs = &gfxhub_v1_0_funcs; 1297 } 1298 1299 static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev) 1300 { 1301 adev->hdp.ras = &hdp_v4_0_ras; 1302 amdgpu_ras_register_ras_block(adev, &adev->hdp.ras->ras_block); 1303 adev->hdp.ras_if = &adev->hdp.ras->ras_block.ras_comm; 1304 } 1305 1306 static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev) 1307 { 1308 /* is UMC the right IP to check for MCA? Maybe DF? */ 1309 switch (adev->ip_versions[UMC_HWIP][0]) { 1310 case IP_VERSION(6, 7, 0): 1311 if (!adev->gmc.xgmi.connected_to_cpu) 1312 adev->mca.funcs = &mca_v3_0_funcs; 1313 break; 1314 default: 1315 break; 1316 } 1317 } 1318 1319 static int gmc_v9_0_early_init(void *handle) 1320 { 1321 int r; 1322 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1323 1324 /* ARCT and VEGA20 don't have XGMI defined in their IP discovery tables */ 1325 if (adev->asic_type == CHIP_VEGA20 || 1326 adev->asic_type == CHIP_ARCTURUS) 1327 adev->gmc.xgmi.supported = true; 1328 1329 if (adev->ip_versions[XGMI_HWIP][0] == IP_VERSION(6, 1, 0)) { 1330 adev->gmc.xgmi.supported = true; 1331 adev->gmc.xgmi.connected_to_cpu = 1332 adev->smuio.funcs->is_host_gpu_xgmi_supported(adev); 1333 } 1334 1335 gmc_v9_0_set_gmc_funcs(adev); 1336 gmc_v9_0_set_irq_funcs(adev); 1337 gmc_v9_0_set_umc_funcs(adev); 1338 gmc_v9_0_set_mmhub_funcs(adev); 1339 gmc_v9_0_set_mmhub_ras_funcs(adev); 1340 gmc_v9_0_set_gfxhub_funcs(adev); 1341 gmc_v9_0_set_hdp_ras_funcs(adev); 1342 gmc_v9_0_set_mca_funcs(adev); 1343 1344 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 1345 adev->gmc.shared_aperture_end = 1346 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 1347 adev->gmc.private_aperture_start = 0x1000000000000000ULL; 1348 adev->gmc.private_aperture_end = 1349 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 1350 1351 r = amdgpu_gmc_ras_early_init(adev); 1352 if (r) 1353 return r; 1354 1355 return 0; 1356 } 1357 1358 static int gmc_v9_0_late_init(void *handle) 1359 { 1360 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1361 int r; 1362 1363 r = amdgpu_gmc_allocate_vm_inv_eng(adev); 1364 if (r) 1365 return r; 1366 1367 /* 1368 * Workaround performance drop issue with VBIOS enables partial 1369 * writes, while disables HBM ECC for vega10. 1370 */ 1371 if (!amdgpu_sriov_vf(adev) && 1372 (adev->ip_versions[UMC_HWIP][0] == IP_VERSION(6, 0, 0))) { 1373 if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) { 1374 if (adev->df.funcs && 1375 adev->df.funcs->enable_ecc_force_par_wr_rmw) 1376 adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false); 1377 } 1378 } 1379 1380 if (!amdgpu_persistent_edc_harvesting_supported(adev)) { 1381 if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops && 1382 adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count) 1383 adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev); 1384 1385 if (adev->hdp.ras && adev->hdp.ras->ras_block.hw_ops && 1386 adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count) 1387 adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count(adev); 1388 } 1389 1390 r = amdgpu_gmc_ras_late_init(adev); 1391 if (r) 1392 return r; 1393 1394 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 1395 } 1396 1397 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, 1398 struct amdgpu_gmc *mc) 1399 { 1400 u64 base = adev->mmhub.funcs->get_fb_location(adev); 1401 1402 /* add the xgmi offset of the physical node */ 1403 base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size; 1404 if (adev->gmc.xgmi.connected_to_cpu) { 1405 amdgpu_gmc_sysvm_location(adev, mc); 1406 } else { 1407 amdgpu_gmc_vram_location(adev, mc, base); 1408 amdgpu_gmc_gart_location(adev, mc); 1409 amdgpu_gmc_agp_location(adev, mc); 1410 } 1411 /* base offset of vram pages */ 1412 adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev); 1413 1414 /* XXX: add the xgmi offset of the physical node? */ 1415 adev->vm_manager.vram_base_offset += 1416 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size; 1417 } 1418 1419 /** 1420 * gmc_v9_0_mc_init - initialize the memory controller driver params 1421 * 1422 * @adev: amdgpu_device pointer 1423 * 1424 * Look up the amount of vram, vram width, and decide how to place 1425 * vram and gart within the GPU's physical address space. 1426 * Returns 0 for success. 1427 */ 1428 static int gmc_v9_0_mc_init(struct amdgpu_device *adev) 1429 { 1430 int r; 1431 1432 /* size in MB on si */ 1433 adev->gmc.mc_vram_size = 1434 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; 1435 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 1436 1437 if (!(adev->flags & AMD_IS_APU) && 1438 !adev->gmc.xgmi.connected_to_cpu) { 1439 r = amdgpu_device_resize_fb_bar(adev); 1440 if (r) 1441 return r; 1442 } 1443 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 1444 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 1445 1446 #ifdef CONFIG_X86_64 1447 /* 1448 * AMD Accelerated Processing Platform (APP) supporting GPU-HOST xgmi 1449 * interface can use VRAM through here as it appears system reserved 1450 * memory in host address space. 1451 * 1452 * For APUs, VRAM is just the stolen system memory and can be accessed 1453 * directly. 1454 * 1455 * Otherwise, use the legacy Host Data Path (HDP) through PCIe BAR. 1456 */ 1457 1458 /* check whether both host-gpu and gpu-gpu xgmi links exist */ 1459 if (((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) || 1460 (adev->gmc.xgmi.supported && 1461 adev->gmc.xgmi.connected_to_cpu)) { 1462 adev->gmc.aper_base = 1463 adev->gfxhub.funcs->get_mc_fb_offset(adev) + 1464 adev->gmc.xgmi.physical_node_id * 1465 adev->gmc.xgmi.node_segment_size; 1466 adev->gmc.aper_size = adev->gmc.real_vram_size; 1467 } 1468 1469 #endif 1470 /* In case the PCI BAR is larger than the actual amount of vram */ 1471 adev->gmc.visible_vram_size = adev->gmc.aper_size; 1472 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 1473 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 1474 1475 /* set the gart size */ 1476 if (amdgpu_gart_size == -1) { 1477 switch (adev->ip_versions[GC_HWIP][0]) { 1478 case IP_VERSION(9, 0, 1): /* all engines support GPUVM */ 1479 case IP_VERSION(9, 2, 1): /* all engines support GPUVM */ 1480 case IP_VERSION(9, 4, 0): 1481 case IP_VERSION(9, 4, 1): 1482 case IP_VERSION(9, 4, 2): 1483 default: 1484 adev->gmc.gart_size = 512ULL << 20; 1485 break; 1486 case IP_VERSION(9, 1, 0): /* DCE SG support */ 1487 case IP_VERSION(9, 2, 2): /* DCE SG support */ 1488 case IP_VERSION(9, 3, 0): 1489 adev->gmc.gart_size = 1024ULL << 20; 1490 break; 1491 } 1492 } else { 1493 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 1494 } 1495 1496 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size; 1497 1498 gmc_v9_0_vram_gtt_location(adev, &adev->gmc); 1499 1500 return 0; 1501 } 1502 1503 static int gmc_v9_0_gart_init(struct amdgpu_device *adev) 1504 { 1505 int r; 1506 1507 if (adev->gart.bo) { 1508 WARN(1, "VEGA10 PCIE GART already initialized\n"); 1509 return 0; 1510 } 1511 1512 if (adev->gmc.xgmi.connected_to_cpu) { 1513 adev->gmc.vmid0_page_table_depth = 1; 1514 adev->gmc.vmid0_page_table_block_size = 12; 1515 } else { 1516 adev->gmc.vmid0_page_table_depth = 0; 1517 adev->gmc.vmid0_page_table_block_size = 0; 1518 } 1519 1520 /* Initialize common gart structure */ 1521 r = amdgpu_gart_init(adev); 1522 if (r) 1523 return r; 1524 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 1525 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(MTYPE_UC) | 1526 AMDGPU_PTE_EXECUTABLE; 1527 1528 r = amdgpu_gart_table_vram_alloc(adev); 1529 if (r) 1530 return r; 1531 1532 if (adev->gmc.xgmi.connected_to_cpu) { 1533 r = amdgpu_gmc_pdb0_alloc(adev); 1534 } 1535 1536 return r; 1537 } 1538 1539 /** 1540 * gmc_v9_0_save_registers - saves regs 1541 * 1542 * @adev: amdgpu_device pointer 1543 * 1544 * This saves potential register values that should be 1545 * restored upon resume 1546 */ 1547 static void gmc_v9_0_save_registers(struct amdgpu_device *adev) 1548 { 1549 if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) || 1550 (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) 1551 adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0); 1552 } 1553 1554 static int gmc_v9_0_sw_init(void *handle) 1555 { 1556 int r, vram_width = 0, vram_type = 0, vram_vendor = 0, dma_addr_bits; 1557 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1558 1559 adev->gfxhub.funcs->init(adev); 1560 1561 adev->mmhub.funcs->init(adev); 1562 if (adev->mca.funcs) 1563 adev->mca.funcs->init(adev); 1564 1565 spin_lock_init(&adev->gmc.invalidate_lock); 1566 1567 r = amdgpu_atomfirmware_get_vram_info(adev, 1568 &vram_width, &vram_type, &vram_vendor); 1569 if (amdgpu_sriov_vf(adev)) 1570 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN, 1571 * and DF related registers is not readable, seems hardcord is the 1572 * only way to set the correct vram_width 1573 */ 1574 adev->gmc.vram_width = 2048; 1575 else if (amdgpu_emu_mode != 1) 1576 adev->gmc.vram_width = vram_width; 1577 1578 if (!adev->gmc.vram_width) { 1579 int chansize, numchan; 1580 1581 /* hbm memory channel size */ 1582 if (adev->flags & AMD_IS_APU) 1583 chansize = 64; 1584 else 1585 chansize = 128; 1586 if (adev->df.funcs && 1587 adev->df.funcs->get_hbm_channel_number) { 1588 numchan = adev->df.funcs->get_hbm_channel_number(adev); 1589 adev->gmc.vram_width = numchan * chansize; 1590 } 1591 } 1592 1593 adev->gmc.vram_type = vram_type; 1594 adev->gmc.vram_vendor = vram_vendor; 1595 switch (adev->ip_versions[GC_HWIP][0]) { 1596 case IP_VERSION(9, 1, 0): 1597 case IP_VERSION(9, 2, 2): 1598 adev->num_vmhubs = 2; 1599 1600 if (adev->rev_id == 0x0 || adev->rev_id == 0x1) { 1601 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1602 } else { 1603 /* vm_size is 128TB + 512GB for legacy 3-level page support */ 1604 amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48); 1605 adev->gmc.translate_further = 1606 adev->vm_manager.num_level > 1; 1607 } 1608 break; 1609 case IP_VERSION(9, 0, 1): 1610 case IP_VERSION(9, 2, 1): 1611 case IP_VERSION(9, 4, 0): 1612 case IP_VERSION(9, 3, 0): 1613 case IP_VERSION(9, 4, 2): 1614 adev->num_vmhubs = 2; 1615 1616 1617 /* 1618 * To fulfill 4-level page support, 1619 * vm size is 256TB (48bit), maximum size of Vega10, 1620 * block size 512 (9bit) 1621 */ 1622 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */ 1623 if (amdgpu_sriov_vf(adev)) 1624 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47); 1625 else 1626 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1627 break; 1628 case IP_VERSION(9, 4, 1): 1629 adev->num_vmhubs = 3; 1630 1631 /* Keep the vm size same with Vega20 */ 1632 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 1633 break; 1634 default: 1635 break; 1636 } 1637 1638 /* This interrupt is VMC page fault.*/ 1639 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT, 1640 &adev->gmc.vm_fault); 1641 if (r) 1642 return r; 1643 1644 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1)) { 1645 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT, 1646 &adev->gmc.vm_fault); 1647 if (r) 1648 return r; 1649 } 1650 1651 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT, 1652 &adev->gmc.vm_fault); 1653 1654 if (r) 1655 return r; 1656 1657 if (!amdgpu_sriov_vf(adev) && 1658 !adev->gmc.xgmi.connected_to_cpu) { 1659 /* interrupt sent to DF. */ 1660 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0, 1661 &adev->gmc.ecc_irq); 1662 if (r) 1663 return r; 1664 } 1665 1666 /* Set the internal MC address mask 1667 * This is the max address of the GPU's 1668 * internal address space. 1669 */ 1670 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ 1671 1672 dma_addr_bits = adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ? 48:44; 1673 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(dma_addr_bits)); 1674 if (r) { 1675 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); 1676 return r; 1677 } 1678 adev->need_swiotlb = drm_need_swiotlb(dma_addr_bits); 1679 1680 r = gmc_v9_0_mc_init(adev); 1681 if (r) 1682 return r; 1683 1684 amdgpu_gmc_get_vbios_allocations(adev); 1685 1686 /* Memory manager */ 1687 r = amdgpu_bo_init(adev); 1688 if (r) 1689 return r; 1690 1691 r = gmc_v9_0_gart_init(adev); 1692 if (r) 1693 return r; 1694 1695 /* 1696 * number of VMs 1697 * VMID 0 is reserved for System 1698 * amdgpu graphics/compute will use VMIDs 1..n-1 1699 * amdkfd will use VMIDs n..15 1700 * 1701 * The first KFD VMID is 8 for GPUs with graphics, 3 for 1702 * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs 1703 * for video processing. 1704 */ 1705 adev->vm_manager.first_kfd_vmid = 1706 (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) || 1707 adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) ? 3 : 8; 1708 1709 amdgpu_vm_manager_init(adev); 1710 1711 gmc_v9_0_save_registers(adev); 1712 1713 return 0; 1714 } 1715 1716 static int gmc_v9_0_sw_fini(void *handle) 1717 { 1718 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1719 1720 amdgpu_gmc_ras_fini(adev); 1721 amdgpu_gem_force_release(adev); 1722 amdgpu_vm_manager_fini(adev); 1723 amdgpu_gart_table_vram_free(adev); 1724 amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0); 1725 amdgpu_bo_fini(adev); 1726 1727 return 0; 1728 } 1729 1730 static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) 1731 { 1732 1733 switch (adev->ip_versions[MMHUB_HWIP][0]) { 1734 case IP_VERSION(9, 0, 0): 1735 if (amdgpu_sriov_vf(adev)) 1736 break; 1737 fallthrough; 1738 case IP_VERSION(9, 4, 0): 1739 soc15_program_register_sequence(adev, 1740 golden_settings_mmhub_1_0_0, 1741 ARRAY_SIZE(golden_settings_mmhub_1_0_0)); 1742 soc15_program_register_sequence(adev, 1743 golden_settings_athub_1_0_0, 1744 ARRAY_SIZE(golden_settings_athub_1_0_0)); 1745 break; 1746 case IP_VERSION(9, 1, 0): 1747 case IP_VERSION(9, 2, 0): 1748 /* TODO for renoir */ 1749 soc15_program_register_sequence(adev, 1750 golden_settings_athub_1_0_0, 1751 ARRAY_SIZE(golden_settings_athub_1_0_0)); 1752 break; 1753 default: 1754 break; 1755 } 1756 } 1757 1758 /** 1759 * gmc_v9_0_restore_registers - restores regs 1760 * 1761 * @adev: amdgpu_device pointer 1762 * 1763 * This restores register values, saved at suspend. 1764 */ 1765 void gmc_v9_0_restore_registers(struct amdgpu_device *adev) 1766 { 1767 if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) || 1768 (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) { 1769 WREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register); 1770 WARN_ON(adev->gmc.sdpif_register != 1771 RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0)); 1772 } 1773 } 1774 1775 /** 1776 * gmc_v9_0_gart_enable - gart enable 1777 * 1778 * @adev: amdgpu_device pointer 1779 */ 1780 static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) 1781 { 1782 int r; 1783 1784 if (adev->gmc.xgmi.connected_to_cpu) 1785 amdgpu_gmc_init_pdb0(adev); 1786 1787 if (adev->gart.bo == NULL) { 1788 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 1789 return -EINVAL; 1790 } 1791 1792 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); 1793 r = adev->gfxhub.funcs->gart_enable(adev); 1794 if (r) 1795 return r; 1796 1797 r = adev->mmhub.funcs->gart_enable(adev); 1798 if (r) 1799 return r; 1800 1801 DRM_INFO("PCIE GART of %uM enabled.\n", 1802 (unsigned)(adev->gmc.gart_size >> 20)); 1803 if (adev->gmc.pdb0_bo) 1804 DRM_INFO("PDB0 located at 0x%016llX\n", 1805 (unsigned long long)amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo)); 1806 DRM_INFO("PTB located at 0x%016llX\n", 1807 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); 1808 1809 return 0; 1810 } 1811 1812 static int gmc_v9_0_hw_init(void *handle) 1813 { 1814 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1815 bool value; 1816 int i, r; 1817 1818 /* The sequence of these two function calls matters.*/ 1819 gmc_v9_0_init_golden_registers(adev); 1820 1821 if (adev->mode_info.num_crtc) { 1822 /* Lockout access through VGA aperture*/ 1823 WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 1824 /* disable VGA render */ 1825 WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 1826 } 1827 1828 if (adev->mmhub.funcs->update_power_gating) 1829 adev->mmhub.funcs->update_power_gating(adev, true); 1830 1831 adev->hdp.funcs->init_registers(adev); 1832 1833 /* After HDP is initialized, flush HDP.*/ 1834 adev->hdp.funcs->flush_hdp(adev, NULL); 1835 1836 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 1837 value = false; 1838 else 1839 value = true; 1840 1841 if (!amdgpu_sriov_vf(adev)) { 1842 adev->gfxhub.funcs->set_fault_enable_default(adev, value); 1843 adev->mmhub.funcs->set_fault_enable_default(adev, value); 1844 } 1845 for (i = 0; i < adev->num_vmhubs; ++i) 1846 gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0); 1847 1848 if (adev->umc.funcs && adev->umc.funcs->init_registers) 1849 adev->umc.funcs->init_registers(adev); 1850 1851 r = gmc_v9_0_gart_enable(adev); 1852 if (r) 1853 return r; 1854 1855 if (amdgpu_emu_mode == 1) 1856 return amdgpu_gmc_vram_checking(adev); 1857 else 1858 return r; 1859 } 1860 1861 /** 1862 * gmc_v9_0_gart_disable - gart disable 1863 * 1864 * @adev: amdgpu_device pointer 1865 * 1866 * This disables all VM page table. 1867 */ 1868 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev) 1869 { 1870 adev->gfxhub.funcs->gart_disable(adev); 1871 adev->mmhub.funcs->gart_disable(adev); 1872 } 1873 1874 static int gmc_v9_0_hw_fini(void *handle) 1875 { 1876 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1877 1878 gmc_v9_0_gart_disable(adev); 1879 1880 if (amdgpu_sriov_vf(adev)) { 1881 /* full access mode, so don't touch any GMC register */ 1882 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 1883 return 0; 1884 } 1885 1886 /* 1887 * Pair the operations did in gmc_v9_0_hw_init and thus maintain 1888 * a correct cached state for GMC. Otherwise, the "gate" again 1889 * operation on S3 resuming will fail due to wrong cached state. 1890 */ 1891 if (adev->mmhub.funcs->update_power_gating) 1892 adev->mmhub.funcs->update_power_gating(adev, false); 1893 1894 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 1895 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 1896 1897 return 0; 1898 } 1899 1900 static int gmc_v9_0_suspend(void *handle) 1901 { 1902 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1903 1904 return gmc_v9_0_hw_fini(adev); 1905 } 1906 1907 static int gmc_v9_0_resume(void *handle) 1908 { 1909 int r; 1910 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1911 1912 r = gmc_v9_0_hw_init(adev); 1913 if (r) 1914 return r; 1915 1916 amdgpu_vmid_reset_all(adev); 1917 1918 return 0; 1919 } 1920 1921 static bool gmc_v9_0_is_idle(void *handle) 1922 { 1923 /* MC is always ready in GMC v9.*/ 1924 return true; 1925 } 1926 1927 static int gmc_v9_0_wait_for_idle(void *handle) 1928 { 1929 /* There is no need to wait for MC idle in GMC v9.*/ 1930 return 0; 1931 } 1932 1933 static int gmc_v9_0_soft_reset(void *handle) 1934 { 1935 /* XXX for emulation.*/ 1936 return 0; 1937 } 1938 1939 static int gmc_v9_0_set_clockgating_state(void *handle, 1940 enum amd_clockgating_state state) 1941 { 1942 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1943 1944 adev->mmhub.funcs->set_clockgating(adev, state); 1945 1946 athub_v1_0_set_clockgating(adev, state); 1947 1948 return 0; 1949 } 1950 1951 static void gmc_v9_0_get_clockgating_state(void *handle, u64 *flags) 1952 { 1953 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1954 1955 adev->mmhub.funcs->get_clockgating(adev, flags); 1956 1957 athub_v1_0_get_clockgating(adev, flags); 1958 } 1959 1960 static int gmc_v9_0_set_powergating_state(void *handle, 1961 enum amd_powergating_state state) 1962 { 1963 return 0; 1964 } 1965 1966 const struct amd_ip_funcs gmc_v9_0_ip_funcs = { 1967 .name = "gmc_v9_0", 1968 .early_init = gmc_v9_0_early_init, 1969 .late_init = gmc_v9_0_late_init, 1970 .sw_init = gmc_v9_0_sw_init, 1971 .sw_fini = gmc_v9_0_sw_fini, 1972 .hw_init = gmc_v9_0_hw_init, 1973 .hw_fini = gmc_v9_0_hw_fini, 1974 .suspend = gmc_v9_0_suspend, 1975 .resume = gmc_v9_0_resume, 1976 .is_idle = gmc_v9_0_is_idle, 1977 .wait_for_idle = gmc_v9_0_wait_for_idle, 1978 .soft_reset = gmc_v9_0_soft_reset, 1979 .set_clockgating_state = gmc_v9_0_set_clockgating_state, 1980 .set_powergating_state = gmc_v9_0_set_powergating_state, 1981 .get_clockgating_state = gmc_v9_0_get_clockgating_state, 1982 }; 1983 1984 const struct amdgpu_ip_block_version gmc_v9_0_ip_block = 1985 { 1986 .type = AMD_IP_BLOCK_TYPE_GMC, 1987 .major = 9, 1988 .minor = 0, 1989 .rev = 0, 1990 .funcs = &gmc_v9_0_ip_funcs, 1991 }; 1992