1 /* 2 * Copyright 2014 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/module.h> 26 #include <linux/pci.h> 27 28 #include <drm/drm_cache.h> 29 #include "amdgpu.h" 30 #include "gmc_v6_0.h" 31 #include "amdgpu_ucode.h" 32 #include "amdgpu_gem.h" 33 34 #include "bif/bif_3_0_d.h" 35 #include "bif/bif_3_0_sh_mask.h" 36 #include "oss/oss_1_0_d.h" 37 #include "oss/oss_1_0_sh_mask.h" 38 #include "gmc/gmc_6_0_d.h" 39 #include "gmc/gmc_6_0_sh_mask.h" 40 #include "dce/dce_6_0_d.h" 41 #include "dce/dce_6_0_sh_mask.h" 42 #include "si_enums.h" 43 44 static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev); 45 static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev); 46 static int gmc_v6_0_wait_for_idle(void *handle); 47 48 MODULE_FIRMWARE("amdgpu/tahiti_mc.bin"); 49 MODULE_FIRMWARE("amdgpu/pitcairn_mc.bin"); 50 MODULE_FIRMWARE("amdgpu/verde_mc.bin"); 51 MODULE_FIRMWARE("amdgpu/oland_mc.bin"); 52 MODULE_FIRMWARE("amdgpu/hainan_mc.bin"); 53 MODULE_FIRMWARE("amdgpu/si58_mc.bin"); 54 55 #define MC_SEQ_MISC0__MT__MASK 0xf0000000 56 #define MC_SEQ_MISC0__MT__GDDR1 0x10000000 57 #define MC_SEQ_MISC0__MT__DDR2 0x20000000 58 #define MC_SEQ_MISC0__MT__GDDR3 0x30000000 59 #define MC_SEQ_MISC0__MT__GDDR4 0x40000000 60 #define MC_SEQ_MISC0__MT__GDDR5 0x50000000 61 #define MC_SEQ_MISC0__MT__HBM 0x60000000 62 #define MC_SEQ_MISC0__MT__DDR3 0xB0000000 63 64 static void gmc_v6_0_mc_stop(struct amdgpu_device *adev) 65 { 66 u32 blackout; 67 68 gmc_v6_0_wait_for_idle((void *)adev); 69 70 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 71 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { 72 /* Block CPU access */ 73 WREG32(mmBIF_FB_EN, 0); 74 /* blackout the MC */ 75 blackout = REG_SET_FIELD(blackout, 76 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); 77 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); 78 } 79 /* wait for the MC to settle */ 80 udelay(100); 81 82 } 83 84 static void gmc_v6_0_mc_resume(struct amdgpu_device *adev) 85 { 86 u32 tmp; 87 88 /* unblackout the MC */ 89 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 90 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); 91 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); 92 /* allow CPU access */ 93 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); 94 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); 95 WREG32(mmBIF_FB_EN, tmp); 96 } 97 98 static int gmc_v6_0_init_microcode(struct amdgpu_device *adev) 99 { 100 const char *chip_name; 101 char fw_name[30]; 102 int err; 103 bool is_58_fw = false; 104 105 DRM_DEBUG("\n"); 106 107 switch (adev->asic_type) { 108 case CHIP_TAHITI: 109 chip_name = "tahiti"; 110 break; 111 case CHIP_PITCAIRN: 112 chip_name = "pitcairn"; 113 break; 114 case CHIP_VERDE: 115 chip_name = "verde"; 116 break; 117 case CHIP_OLAND: 118 chip_name = "oland"; 119 break; 120 case CHIP_HAINAN: 121 chip_name = "hainan"; 122 break; 123 default: BUG(); 124 } 125 126 /* this memory configuration requires special firmware */ 127 if (((RREG32(mmMC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58) 128 is_58_fw = true; 129 130 if (is_58_fw) 131 snprintf(fw_name, sizeof(fw_name), "amdgpu/si58_mc.bin"); 132 else 133 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); 134 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev); 135 if (err) 136 goto out; 137 138 err = amdgpu_ucode_validate(adev->gmc.fw); 139 140 out: 141 if (err) { 142 dev_err(adev->dev, 143 "si_mc: Failed to load firmware \"%s\"\n", 144 fw_name); 145 release_firmware(adev->gmc.fw); 146 adev->gmc.fw = NULL; 147 } 148 return err; 149 } 150 151 static int gmc_v6_0_mc_load_microcode(struct amdgpu_device *adev) 152 { 153 const __le32 *new_fw_data = NULL; 154 u32 running; 155 const __le32 *new_io_mc_regs = NULL; 156 int i, regs_size, ucode_size; 157 const struct mc_firmware_header_v1_0 *hdr; 158 159 if (!adev->gmc.fw) 160 return -EINVAL; 161 162 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; 163 164 amdgpu_ucode_print_mc_hdr(&hdr->header); 165 166 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); 167 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); 168 new_io_mc_regs = (const __le32 *) 169 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); 170 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 171 new_fw_data = (const __le32 *) 172 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 173 174 running = RREG32(mmMC_SEQ_SUP_CNTL) & MC_SEQ_SUP_CNTL__RUN_MASK; 175 176 if (running == 0) { 177 178 /* reset the engine and set to writable */ 179 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 180 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); 181 182 /* load mc io regs */ 183 for (i = 0; i < regs_size; i++) { 184 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++)); 185 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++)); 186 } 187 /* load the MC ucode */ 188 for (i = 0; i < ucode_size; i++) { 189 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++)); 190 } 191 192 /* put the engine back into the active state */ 193 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 194 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); 195 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); 196 197 /* wait for training to complete */ 198 for (i = 0; i < adev->usec_timeout; i++) { 199 if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D0_MASK) 200 break; 201 udelay(1); 202 } 203 for (i = 0; i < adev->usec_timeout; i++) { 204 if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D1_MASK) 205 break; 206 udelay(1); 207 } 208 209 } 210 211 return 0; 212 } 213 214 static void gmc_v6_0_vram_gtt_location(struct amdgpu_device *adev, 215 struct amdgpu_gmc *mc) 216 { 217 u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF; 218 base <<= 24; 219 220 amdgpu_gmc_vram_location(adev, mc, base); 221 amdgpu_gmc_gart_location(adev, mc); 222 } 223 224 static void gmc_v6_0_mc_program(struct amdgpu_device *adev) 225 { 226 int i, j; 227 228 /* Initialize HDP */ 229 for (i = 0, j = 0; i < 32; i++, j += 0x6) { 230 WREG32((0xb05 + j), 0x00000000); 231 WREG32((0xb06 + j), 0x00000000); 232 WREG32((0xb07 + j), 0x00000000); 233 WREG32((0xb08 + j), 0x00000000); 234 WREG32((0xb09 + j), 0x00000000); 235 } 236 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); 237 238 if (gmc_v6_0_wait_for_idle((void *)adev)) { 239 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 240 } 241 242 if (adev->mode_info.num_crtc) { 243 u32 tmp; 244 245 /* Lockout access through VGA aperture*/ 246 tmp = RREG32(mmVGA_HDP_CONTROL); 247 tmp |= VGA_HDP_CONTROL__VGA_MEMORY_DISABLE_MASK; 248 WREG32(mmVGA_HDP_CONTROL, tmp); 249 250 /* disable VGA render */ 251 tmp = RREG32(mmVGA_RENDER_CONTROL); 252 tmp &= ~VGA_VSTATUS_CNTL; 253 WREG32(mmVGA_RENDER_CONTROL, tmp); 254 } 255 /* Update configuration */ 256 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 257 adev->gmc.vram_start >> 12); 258 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 259 adev->gmc.vram_end >> 12); 260 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 261 adev->vram_scratch.gpu_addr >> 12); 262 WREG32(mmMC_VM_AGP_BASE, 0); 263 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); 264 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); 265 266 if (gmc_v6_0_wait_for_idle((void *)adev)) { 267 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 268 } 269 } 270 271 static int gmc_v6_0_mc_init(struct amdgpu_device *adev) 272 { 273 274 u32 tmp; 275 int chansize, numchan; 276 int r; 277 278 tmp = RREG32(mmMC_ARB_RAMCFG); 279 if (tmp & (1 << 11)) { 280 chansize = 16; 281 } else if (tmp & MC_ARB_RAMCFG__CHANSIZE_MASK) { 282 chansize = 64; 283 } else { 284 chansize = 32; 285 } 286 tmp = RREG32(mmMC_SHARED_CHMAP); 287 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) { 288 case 0: 289 default: 290 numchan = 1; 291 break; 292 case 1: 293 numchan = 2; 294 break; 295 case 2: 296 numchan = 4; 297 break; 298 case 3: 299 numchan = 8; 300 break; 301 case 4: 302 numchan = 3; 303 break; 304 case 5: 305 numchan = 6; 306 break; 307 case 6: 308 numchan = 10; 309 break; 310 case 7: 311 numchan = 12; 312 break; 313 case 8: 314 numchan = 16; 315 break; 316 } 317 adev->gmc.vram_width = numchan * chansize; 318 /* size in MB on si */ 319 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; 320 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; 321 322 if (!(adev->flags & AMD_IS_APU)) { 323 r = amdgpu_device_resize_fb_bar(adev); 324 if (r) 325 return r; 326 } 327 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 328 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 329 adev->gmc.visible_vram_size = adev->gmc.aper_size; 330 331 /* set the gart size */ 332 if (amdgpu_gart_size == -1) { 333 switch (adev->asic_type) { 334 case CHIP_HAINAN: /* no MM engines */ 335 default: 336 adev->gmc.gart_size = 256ULL << 20; 337 break; 338 case CHIP_VERDE: /* UVD, VCE do not support GPUVM */ 339 case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */ 340 case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */ 341 case CHIP_OLAND: /* UVD, VCE do not support GPUVM */ 342 adev->gmc.gart_size = 1024ULL << 20; 343 break; 344 } 345 } else { 346 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 347 } 348 349 gmc_v6_0_vram_gtt_location(adev, &adev->gmc); 350 351 return 0; 352 } 353 354 static void gmc_v6_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 355 uint32_t vmhub, uint32_t flush_type) 356 { 357 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); 358 } 359 360 static uint64_t gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 361 unsigned vmid, uint64_t pd_addr) 362 { 363 uint32_t reg; 364 365 /* write new base address */ 366 if (vmid < 8) 367 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; 368 else 369 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8); 370 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); 371 372 /* bits 0-15 are the VM contexts0-15 */ 373 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); 374 375 return pd_addr; 376 } 377 378 static void gmc_v6_0_get_vm_pde(struct amdgpu_device *adev, int level, 379 uint64_t *addr, uint64_t *flags) 380 { 381 BUG_ON(*addr & 0xFFFFFF0000000FFFULL); 382 } 383 384 static void gmc_v6_0_get_vm_pte(struct amdgpu_device *adev, 385 struct amdgpu_bo_va_mapping *mapping, 386 uint64_t *flags) 387 { 388 *flags &= ~AMDGPU_PTE_EXECUTABLE; 389 *flags &= ~AMDGPU_PTE_PRT; 390 } 391 392 static void gmc_v6_0_set_fault_enable_default(struct amdgpu_device *adev, 393 bool value) 394 { 395 u32 tmp; 396 397 tmp = RREG32(mmVM_CONTEXT1_CNTL); 398 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 399 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 400 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 401 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 402 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 403 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 404 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 405 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 406 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 407 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 408 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 409 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 410 WREG32(mmVM_CONTEXT1_CNTL, tmp); 411 } 412 413 /** 414 + * gmc_v8_0_set_prt - set PRT VM fault 415 + * 416 + * @adev: amdgpu_device pointer 417 + * @enable: enable/disable VM fault handling for PRT 418 +*/ 419 static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable) 420 { 421 u32 tmp; 422 423 if (enable && !adev->gmc.prt_warning) { 424 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n"); 425 adev->gmc.prt_warning = true; 426 } 427 428 tmp = RREG32(mmVM_PRT_CNTL); 429 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 430 CB_DISABLE_FAULT_ON_UNMAPPED_ACCESS, 431 enable); 432 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 433 TC_DISABLE_FAULT_ON_UNMAPPED_ACCESS, 434 enable); 435 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 436 L2_CACHE_STORE_INVALID_ENTRIES, 437 enable); 438 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 439 L1_TLB_STORE_INVALID_ENTRIES, 440 enable); 441 WREG32(mmVM_PRT_CNTL, tmp); 442 443 if (enable) { 444 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT; 445 uint32_t high = adev->vm_manager.max_pfn - 446 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT); 447 448 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low); 449 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low); 450 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low); 451 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low); 452 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high); 453 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high); 454 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high); 455 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high); 456 } else { 457 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff); 458 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff); 459 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff); 460 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff); 461 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0); 462 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0); 463 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0); 464 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0); 465 } 466 } 467 468 static int gmc_v6_0_gart_enable(struct amdgpu_device *adev) 469 { 470 uint64_t table_addr; 471 int r, i; 472 u32 field; 473 474 if (adev->gart.bo == NULL) { 475 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 476 return -EINVAL; 477 } 478 r = amdgpu_gart_table_vram_pin(adev); 479 if (r) 480 return r; 481 482 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo); 483 484 /* Setup TLB control */ 485 WREG32(mmMC_VM_MX_L1_TLB_CNTL, 486 (0xA << 7) | 487 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_TLB_MASK | 488 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_FRAGMENT_PROCESSING_MASK | 489 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK | 490 MC_VM_MX_L1_TLB_CNTL__ENABLE_ADVANCED_DRIVER_MODEL_MASK | 491 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT)); 492 /* Setup L2 cache */ 493 WREG32(mmVM_L2_CNTL, 494 VM_L2_CNTL__ENABLE_L2_CACHE_MASK | 495 VM_L2_CNTL__ENABLE_L2_FRAGMENT_PROCESSING_MASK | 496 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK | 497 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK | 498 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) | 499 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT)); 500 WREG32(mmVM_L2_CNTL2, 501 VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK | 502 VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK); 503 504 field = adev->vm_manager.fragment_size; 505 WREG32(mmVM_L2_CNTL3, 506 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK | 507 (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) | 508 (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT)); 509 /* setup context0 */ 510 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12); 511 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); 512 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12); 513 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 514 (u32)(adev->dummy_page_addr >> 12)); 515 WREG32(mmVM_CONTEXT0_CNTL2, 0); 516 WREG32(mmVM_CONTEXT0_CNTL, 517 VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK | 518 (0UL << VM_CONTEXT0_CNTL__PAGE_TABLE_DEPTH__SHIFT) | 519 VM_CONTEXT0_CNTL__RANGE_PROTECTION_FAULT_ENABLE_DEFAULT_MASK); 520 521 WREG32(0x575, 0); 522 WREG32(0x576, 0); 523 WREG32(0x577, 0); 524 525 /* empty context1-15 */ 526 /* set vm size, must be a multiple of 4 */ 527 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); 528 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); 529 /* Assign the pt base to something valid for now; the pts used for 530 * the VMs are determined by the application and setup and assigned 531 * on the fly in the vm part of radeon_gart.c 532 */ 533 for (i = 1; i < 16; i++) { 534 if (i < 8) 535 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, 536 table_addr >> 12); 537 else 538 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, 539 table_addr >> 12); 540 } 541 542 /* enable context1-15 */ 543 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 544 (u32)(adev->dummy_page_addr >> 12)); 545 WREG32(mmVM_CONTEXT1_CNTL2, 4); 546 WREG32(mmVM_CONTEXT1_CNTL, 547 VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK | 548 (1UL << VM_CONTEXT1_CNTL__PAGE_TABLE_DEPTH__SHIFT) | 549 ((adev->vm_manager.block_size - 9) 550 << VM_CONTEXT1_CNTL__PAGE_TABLE_BLOCK_SIZE__SHIFT)); 551 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 552 gmc_v6_0_set_fault_enable_default(adev, false); 553 else 554 gmc_v6_0_set_fault_enable_default(adev, true); 555 556 gmc_v6_0_flush_gpu_tlb(adev, 0, 0, 0); 557 dev_info(adev->dev, "PCIE GART of %uM enabled (table at 0x%016llX).\n", 558 (unsigned)(adev->gmc.gart_size >> 20), 559 (unsigned long long)table_addr); 560 adev->gart.ready = true; 561 return 0; 562 } 563 564 static int gmc_v6_0_gart_init(struct amdgpu_device *adev) 565 { 566 int r; 567 568 if (adev->gart.bo) { 569 dev_warn(adev->dev, "gmc_v6_0 PCIE GART already initialized\n"); 570 return 0; 571 } 572 r = amdgpu_gart_init(adev); 573 if (r) 574 return r; 575 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 576 adev->gart.gart_pte_flags = 0; 577 return amdgpu_gart_table_vram_alloc(adev); 578 } 579 580 static void gmc_v6_0_gart_disable(struct amdgpu_device *adev) 581 { 582 /*unsigned i; 583 584 for (i = 1; i < 16; ++i) { 585 uint32_t reg; 586 if (i < 8) 587 reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i ; 588 else 589 reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (i - 8); 590 adev->vm_manager.saved_table_addr[i] = RREG32(reg); 591 }*/ 592 593 /* Disable all tables */ 594 WREG32(mmVM_CONTEXT0_CNTL, 0); 595 WREG32(mmVM_CONTEXT1_CNTL, 0); 596 /* Setup TLB control */ 597 WREG32(mmMC_VM_MX_L1_TLB_CNTL, 598 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK | 599 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT)); 600 /* Setup L2 cache */ 601 WREG32(mmVM_L2_CNTL, 602 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK | 603 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK | 604 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) | 605 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT)); 606 WREG32(mmVM_L2_CNTL2, 0); 607 WREG32(mmVM_L2_CNTL3, 608 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK | 609 (0UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT)); 610 amdgpu_gart_table_vram_unpin(adev); 611 } 612 613 static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev, 614 u32 status, u32 addr, u32 mc_client) 615 { 616 u32 mc_id; 617 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); 618 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 619 PROTECTIONS); 620 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, 621 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; 622 623 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 624 MEMORY_CLIENT_ID); 625 626 dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", 627 protections, vmid, addr, 628 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 629 MEMORY_CLIENT_RW) ? 630 "write" : "read", block, mc_client, mc_id); 631 } 632 633 /* 634 static const u32 mc_cg_registers[] = { 635 MC_HUB_MISC_HUB_CG, 636 MC_HUB_MISC_SIP_CG, 637 MC_HUB_MISC_VM_CG, 638 MC_XPB_CLK_GAT, 639 ATC_MISC_CG, 640 MC_CITF_MISC_WR_CG, 641 MC_CITF_MISC_RD_CG, 642 MC_CITF_MISC_VM_CG, 643 VM_L2_CG, 644 }; 645 646 static const u32 mc_cg_ls_en[] = { 647 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK, 648 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK, 649 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK, 650 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK, 651 ATC_MISC_CG__MEM_LS_ENABLE_MASK, 652 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK, 653 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK, 654 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK, 655 VM_L2_CG__MEM_LS_ENABLE_MASK, 656 }; 657 658 static const u32 mc_cg_en[] = { 659 MC_HUB_MISC_HUB_CG__ENABLE_MASK, 660 MC_HUB_MISC_SIP_CG__ENABLE_MASK, 661 MC_HUB_MISC_VM_CG__ENABLE_MASK, 662 MC_XPB_CLK_GAT__ENABLE_MASK, 663 ATC_MISC_CG__ENABLE_MASK, 664 MC_CITF_MISC_WR_CG__ENABLE_MASK, 665 MC_CITF_MISC_RD_CG__ENABLE_MASK, 666 MC_CITF_MISC_VM_CG__ENABLE_MASK, 667 VM_L2_CG__ENABLE_MASK, 668 }; 669 670 static void gmc_v6_0_enable_mc_ls(struct amdgpu_device *adev, 671 bool enable) 672 { 673 int i; 674 u32 orig, data; 675 676 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { 677 orig = data = RREG32(mc_cg_registers[i]); 678 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS)) 679 data |= mc_cg_ls_en[i]; 680 else 681 data &= ~mc_cg_ls_en[i]; 682 if (data != orig) 683 WREG32(mc_cg_registers[i], data); 684 } 685 } 686 687 static void gmc_v6_0_enable_mc_mgcg(struct amdgpu_device *adev, 688 bool enable) 689 { 690 int i; 691 u32 orig, data; 692 693 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { 694 orig = data = RREG32(mc_cg_registers[i]); 695 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG)) 696 data |= mc_cg_en[i]; 697 else 698 data &= ~mc_cg_en[i]; 699 if (data != orig) 700 WREG32(mc_cg_registers[i], data); 701 } 702 } 703 704 static void gmc_v6_0_enable_bif_mgls(struct amdgpu_device *adev, 705 bool enable) 706 { 707 u32 orig, data; 708 709 orig = data = RREG32_PCIE(ixPCIE_CNTL2); 710 711 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) { 712 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); 713 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); 714 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); 715 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1); 716 } else { 717 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0); 718 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0); 719 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0); 720 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0); 721 } 722 723 if (orig != data) 724 WREG32_PCIE(ixPCIE_CNTL2, data); 725 } 726 727 static void gmc_v6_0_enable_hdp_mgcg(struct amdgpu_device *adev, 728 bool enable) 729 { 730 u32 orig, data; 731 732 orig = data = RREG32(mmHDP_HOST_PATH_CNTL); 733 734 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG)) 735 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); 736 else 737 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); 738 739 if (orig != data) 740 WREG32(mmHDP_HOST_PATH_CNTL, data); 741 } 742 743 static void gmc_v6_0_enable_hdp_ls(struct amdgpu_device *adev, 744 bool enable) 745 { 746 u32 orig, data; 747 748 orig = data = RREG32(mmHDP_MEM_POWER_LS); 749 750 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS)) 751 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); 752 else 753 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); 754 755 if (orig != data) 756 WREG32(mmHDP_MEM_POWER_LS, data); 757 } 758 */ 759 760 static int gmc_v6_0_convert_vram_type(int mc_seq_vram_type) 761 { 762 switch (mc_seq_vram_type) { 763 case MC_SEQ_MISC0__MT__GDDR1: 764 return AMDGPU_VRAM_TYPE_GDDR1; 765 case MC_SEQ_MISC0__MT__DDR2: 766 return AMDGPU_VRAM_TYPE_DDR2; 767 case MC_SEQ_MISC0__MT__GDDR3: 768 return AMDGPU_VRAM_TYPE_GDDR3; 769 case MC_SEQ_MISC0__MT__GDDR4: 770 return AMDGPU_VRAM_TYPE_GDDR4; 771 case MC_SEQ_MISC0__MT__GDDR5: 772 return AMDGPU_VRAM_TYPE_GDDR5; 773 case MC_SEQ_MISC0__MT__DDR3: 774 return AMDGPU_VRAM_TYPE_DDR3; 775 default: 776 return AMDGPU_VRAM_TYPE_UNKNOWN; 777 } 778 } 779 780 static int gmc_v6_0_early_init(void *handle) 781 { 782 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 783 784 gmc_v6_0_set_gmc_funcs(adev); 785 gmc_v6_0_set_irq_funcs(adev); 786 787 return 0; 788 } 789 790 static int gmc_v6_0_late_init(void *handle) 791 { 792 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 793 794 amdgpu_bo_late_init(adev); 795 796 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) 797 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 798 else 799 return 0; 800 } 801 802 static unsigned gmc_v6_0_get_vbios_fb_size(struct amdgpu_device *adev) 803 { 804 u32 d1vga_control = RREG32(mmD1VGA_CONTROL); 805 unsigned size; 806 807 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 808 size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ 809 } else { 810 u32 viewport = RREG32(mmVIEWPORT_SIZE); 811 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * 812 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 813 4); 814 } 815 /* return 0 if the pre-OS buffer uses up most of vram */ 816 if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) 817 return 0; 818 return size; 819 } 820 821 static int gmc_v6_0_sw_init(void *handle) 822 { 823 int r; 824 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 825 826 adev->num_vmhubs = 1; 827 828 if (adev->flags & AMD_IS_APU) { 829 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; 830 } else { 831 u32 tmp = RREG32(mmMC_SEQ_MISC0); 832 tmp &= MC_SEQ_MISC0__MT__MASK; 833 adev->gmc.vram_type = gmc_v6_0_convert_vram_type(tmp); 834 } 835 836 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault); 837 if (r) 838 return r; 839 840 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault); 841 if (r) 842 return r; 843 844 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40); 845 846 adev->gmc.mc_mask = 0xffffffffffULL; 847 848 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); 849 if (r) { 850 dev_warn(adev->dev, "No suitable DMA available.\n"); 851 return r; 852 } 853 adev->need_swiotlb = drm_need_swiotlb(44); 854 855 r = gmc_v6_0_init_microcode(adev); 856 if (r) { 857 dev_err(adev->dev, "Failed to load mc firmware!\n"); 858 return r; 859 } 860 861 r = gmc_v6_0_mc_init(adev); 862 if (r) 863 return r; 864 865 adev->gmc.stolen_size = gmc_v6_0_get_vbios_fb_size(adev); 866 867 r = amdgpu_bo_init(adev); 868 if (r) 869 return r; 870 871 r = gmc_v6_0_gart_init(adev); 872 if (r) 873 return r; 874 875 /* 876 * number of VMs 877 * VMID 0 is reserved for System 878 * amdgpu graphics/compute will use VMIDs 1-7 879 * amdkfd will use VMIDs 8-15 880 */ 881 adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS; 882 amdgpu_vm_manager_init(adev); 883 884 /* base offset of vram pages */ 885 if (adev->flags & AMD_IS_APU) { 886 u64 tmp = RREG32(mmMC_VM_FB_OFFSET); 887 888 tmp <<= 22; 889 adev->vm_manager.vram_base_offset = tmp; 890 } else { 891 adev->vm_manager.vram_base_offset = 0; 892 } 893 894 return 0; 895 } 896 897 static int gmc_v6_0_sw_fini(void *handle) 898 { 899 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 900 901 amdgpu_gem_force_release(adev); 902 amdgpu_vm_manager_fini(adev); 903 amdgpu_gart_table_vram_free(adev); 904 amdgpu_bo_fini(adev); 905 amdgpu_gart_fini(adev); 906 release_firmware(adev->gmc.fw); 907 adev->gmc.fw = NULL; 908 909 return 0; 910 } 911 912 static int gmc_v6_0_hw_init(void *handle) 913 { 914 int r; 915 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 916 917 gmc_v6_0_mc_program(adev); 918 919 if (!(adev->flags & AMD_IS_APU)) { 920 r = gmc_v6_0_mc_load_microcode(adev); 921 if (r) { 922 dev_err(adev->dev, "Failed to load MC firmware!\n"); 923 return r; 924 } 925 } 926 927 r = gmc_v6_0_gart_enable(adev); 928 if (r) 929 return r; 930 931 return r; 932 } 933 934 static int gmc_v6_0_hw_fini(void *handle) 935 { 936 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 937 938 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 939 gmc_v6_0_gart_disable(adev); 940 941 return 0; 942 } 943 944 static int gmc_v6_0_suspend(void *handle) 945 { 946 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 947 948 gmc_v6_0_hw_fini(adev); 949 950 return 0; 951 } 952 953 static int gmc_v6_0_resume(void *handle) 954 { 955 int r; 956 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 957 958 r = gmc_v6_0_hw_init(adev); 959 if (r) 960 return r; 961 962 amdgpu_vmid_reset_all(adev); 963 964 return 0; 965 } 966 967 static bool gmc_v6_0_is_idle(void *handle) 968 { 969 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 970 u32 tmp = RREG32(mmSRBM_STATUS); 971 972 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 973 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) 974 return false; 975 976 return true; 977 } 978 979 static int gmc_v6_0_wait_for_idle(void *handle) 980 { 981 unsigned i; 982 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 983 984 for (i = 0; i < adev->usec_timeout; i++) { 985 if (gmc_v6_0_is_idle(handle)) 986 return 0; 987 udelay(1); 988 } 989 return -ETIMEDOUT; 990 991 } 992 993 static int gmc_v6_0_soft_reset(void *handle) 994 { 995 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 996 u32 srbm_soft_reset = 0; 997 u32 tmp = RREG32(mmSRBM_STATUS); 998 999 if (tmp & SRBM_STATUS__VMC_BUSY_MASK) 1000 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1001 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); 1002 1003 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1004 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { 1005 if (!(adev->flags & AMD_IS_APU)) 1006 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1007 SRBM_SOFT_RESET, SOFT_RESET_MC, 1); 1008 } 1009 1010 if (srbm_soft_reset) { 1011 gmc_v6_0_mc_stop(adev); 1012 if (gmc_v6_0_wait_for_idle(adev)) { 1013 dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); 1014 } 1015 1016 1017 tmp = RREG32(mmSRBM_SOFT_RESET); 1018 tmp |= srbm_soft_reset; 1019 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1020 WREG32(mmSRBM_SOFT_RESET, tmp); 1021 tmp = RREG32(mmSRBM_SOFT_RESET); 1022 1023 udelay(50); 1024 1025 tmp &= ~srbm_soft_reset; 1026 WREG32(mmSRBM_SOFT_RESET, tmp); 1027 tmp = RREG32(mmSRBM_SOFT_RESET); 1028 1029 udelay(50); 1030 1031 gmc_v6_0_mc_resume(adev); 1032 udelay(50); 1033 } 1034 1035 return 0; 1036 } 1037 1038 static int gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 1039 struct amdgpu_irq_src *src, 1040 unsigned type, 1041 enum amdgpu_interrupt_state state) 1042 { 1043 u32 tmp; 1044 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1045 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1046 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1047 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1048 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1049 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); 1050 1051 switch (state) { 1052 case AMDGPU_IRQ_STATE_DISABLE: 1053 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1054 tmp &= ~bits; 1055 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1056 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1057 tmp &= ~bits; 1058 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1059 break; 1060 case AMDGPU_IRQ_STATE_ENABLE: 1061 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1062 tmp |= bits; 1063 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1064 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1065 tmp |= bits; 1066 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1067 break; 1068 default: 1069 break; 1070 } 1071 1072 return 0; 1073 } 1074 1075 static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev, 1076 struct amdgpu_irq_src *source, 1077 struct amdgpu_iv_entry *entry) 1078 { 1079 u32 addr, status; 1080 1081 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); 1082 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); 1083 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); 1084 1085 if (!addr && !status) 1086 return 0; 1087 1088 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) 1089 gmc_v6_0_set_fault_enable_default(adev, false); 1090 1091 if (printk_ratelimit()) { 1092 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", 1093 entry->src_id, entry->src_data[0]); 1094 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1095 addr); 1096 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1097 status); 1098 gmc_v6_0_vm_decode_fault(adev, status, addr, 0); 1099 } 1100 1101 return 0; 1102 } 1103 1104 static int gmc_v6_0_set_clockgating_state(void *handle, 1105 enum amd_clockgating_state state) 1106 { 1107 return 0; 1108 } 1109 1110 static int gmc_v6_0_set_powergating_state(void *handle, 1111 enum amd_powergating_state state) 1112 { 1113 return 0; 1114 } 1115 1116 static const struct amd_ip_funcs gmc_v6_0_ip_funcs = { 1117 .name = "gmc_v6_0", 1118 .early_init = gmc_v6_0_early_init, 1119 .late_init = gmc_v6_0_late_init, 1120 .sw_init = gmc_v6_0_sw_init, 1121 .sw_fini = gmc_v6_0_sw_fini, 1122 .hw_init = gmc_v6_0_hw_init, 1123 .hw_fini = gmc_v6_0_hw_fini, 1124 .suspend = gmc_v6_0_suspend, 1125 .resume = gmc_v6_0_resume, 1126 .is_idle = gmc_v6_0_is_idle, 1127 .wait_for_idle = gmc_v6_0_wait_for_idle, 1128 .soft_reset = gmc_v6_0_soft_reset, 1129 .set_clockgating_state = gmc_v6_0_set_clockgating_state, 1130 .set_powergating_state = gmc_v6_0_set_powergating_state, 1131 }; 1132 1133 static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = { 1134 .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb, 1135 .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb, 1136 .set_prt = gmc_v6_0_set_prt, 1137 .get_vm_pde = gmc_v6_0_get_vm_pde, 1138 .get_vm_pte = gmc_v6_0_get_vm_pte, 1139 }; 1140 1141 static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = { 1142 .set = gmc_v6_0_vm_fault_interrupt_state, 1143 .process = gmc_v6_0_process_interrupt, 1144 }; 1145 1146 static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev) 1147 { 1148 adev->gmc.gmc_funcs = &gmc_v6_0_gmc_funcs; 1149 } 1150 1151 static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev) 1152 { 1153 adev->gmc.vm_fault.num_types = 1; 1154 adev->gmc.vm_fault.funcs = &gmc_v6_0_irq_funcs; 1155 } 1156 1157 const struct amdgpu_ip_block_version gmc_v6_0_ip_block = 1158 { 1159 .type = AMD_IP_BLOCK_TYPE_GMC, 1160 .major = 6, 1161 .minor = 0, 1162 .rev = 0, 1163 .funcs = &gmc_v6_0_ip_funcs, 1164 }; 1165