1 /* 2 * Copyright 2021 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 #include <linux/firmware.h> 24 #include <linux/pci.h> 25 26 #include <drm/drm_cache.h> 27 28 #include "amdgpu.h" 29 #include "amdgpu_atomfirmware.h" 30 #include "gmc_v11_0.h" 31 #include "umc_v8_10.h" 32 #include "athub/athub_3_0_0_sh_mask.h" 33 #include "athub/athub_3_0_0_offset.h" 34 #include "oss/osssys_6_0_0_offset.h" 35 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" 36 #include "navi10_enum.h" 37 #include "soc15.h" 38 #include "soc15d.h" 39 #include "soc15_common.h" 40 #include "nbio_v4_3.h" 41 #include "gfxhub_v3_0.h" 42 #include "gfxhub_v3_0_3.h" 43 #include "mmhub_v3_0.h" 44 #include "mmhub_v3_0_1.h" 45 #include "mmhub_v3_0_2.h" 46 #include "athub_v3_0.h" 47 48 49 static int gmc_v11_0_ecc_interrupt_state(struct amdgpu_device *adev, 50 struct amdgpu_irq_src *src, 51 unsigned type, 52 enum amdgpu_interrupt_state state) 53 { 54 return 0; 55 } 56 57 static int 58 gmc_v11_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 59 struct amdgpu_irq_src *src, unsigned type, 60 enum amdgpu_interrupt_state state) 61 { 62 switch (state) { 63 case AMDGPU_IRQ_STATE_DISABLE: 64 /* MM HUB */ 65 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, false); 66 /* GFX HUB */ 67 /* This works because this interrupt is only 68 * enabled at init/resume and disabled in 69 * fini/suspend, so the overall state doesn't 70 * change over the course of suspend/resume. 71 */ 72 if (!adev->in_s0ix) 73 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, false); 74 break; 75 case AMDGPU_IRQ_STATE_ENABLE: 76 /* MM HUB */ 77 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, true); 78 /* GFX HUB */ 79 /* This works because this interrupt is only 80 * enabled at init/resume and disabled in 81 * fini/suspend, so the overall state doesn't 82 * change over the course of suspend/resume. 83 */ 84 if (!adev->in_s0ix) 85 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, true); 86 break; 87 default: 88 break; 89 } 90 91 return 0; 92 } 93 94 static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev, 95 struct amdgpu_irq_src *source, 96 struct amdgpu_iv_entry *entry) 97 { 98 struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src]; 99 uint32_t status = 0; 100 u64 addr; 101 102 addr = (u64)entry->src_data[0] << 12; 103 addr |= ((u64)entry->src_data[1] & 0xf) << 44; 104 105 if (!amdgpu_sriov_vf(adev)) { 106 /* 107 * Issue a dummy read to wait for the status register to 108 * be updated to avoid reading an incorrect value due to 109 * the new fast GRBM interface. 110 */ 111 if (entry->vmid_src == AMDGPU_GFXHUB_0) 112 RREG32(hub->vm_l2_pro_fault_status); 113 114 status = RREG32(hub->vm_l2_pro_fault_status); 115 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); 116 } 117 118 if (printk_ratelimit()) { 119 struct amdgpu_task_info task_info; 120 121 memset(&task_info, 0, sizeof(struct amdgpu_task_info)); 122 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 123 124 dev_err(adev->dev, 125 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u, " 126 "for process %s pid %d thread %s pid %d)\n", 127 entry->vmid_src ? "mmhub" : "gfxhub", 128 entry->src_id, entry->ring_id, entry->vmid, 129 entry->pasid, task_info.process_name, task_info.tgid, 130 task_info.task_name, task_info.pid); 131 dev_err(adev->dev, " in page starting at address 0x%016llx from client %d\n", 132 addr, entry->client_id); 133 if (!amdgpu_sriov_vf(adev)) 134 hub->vmhub_funcs->print_l2_protection_fault_status(adev, status); 135 } 136 137 return 0; 138 } 139 140 static const struct amdgpu_irq_src_funcs gmc_v11_0_irq_funcs = { 141 .set = gmc_v11_0_vm_fault_interrupt_state, 142 .process = gmc_v11_0_process_interrupt, 143 }; 144 145 static const struct amdgpu_irq_src_funcs gmc_v11_0_ecc_funcs = { 146 .set = gmc_v11_0_ecc_interrupt_state, 147 .process = amdgpu_umc_process_ecc_irq, 148 }; 149 150 static void gmc_v11_0_set_irq_funcs(struct amdgpu_device *adev) 151 { 152 adev->gmc.vm_fault.num_types = 1; 153 adev->gmc.vm_fault.funcs = &gmc_v11_0_irq_funcs; 154 155 if (!amdgpu_sriov_vf(adev)) { 156 adev->gmc.ecc_irq.num_types = 1; 157 adev->gmc.ecc_irq.funcs = &gmc_v11_0_ecc_funcs; 158 } 159 } 160 161 /** 162 * gmc_v11_0_use_invalidate_semaphore - judge whether to use semaphore 163 * 164 * @adev: amdgpu_device pointer 165 * @vmhub: vmhub type 166 * 167 */ 168 static bool gmc_v11_0_use_invalidate_semaphore(struct amdgpu_device *adev, 169 uint32_t vmhub) 170 { 171 return ((vmhub == AMDGPU_MMHUB_0) && 172 (!amdgpu_sriov_vf(adev))); 173 } 174 175 static bool gmc_v11_0_get_vmid_pasid_mapping_info( 176 struct amdgpu_device *adev, 177 uint8_t vmid, uint16_t *p_pasid) 178 { 179 *p_pasid = RREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid) & 0xffff; 180 181 return !!(*p_pasid); 182 } 183 184 /* 185 * GART 186 * VMID 0 is the physical GPU addresses as used by the kernel. 187 * VMIDs 1-15 are used for userspace clients and are handled 188 * by the amdgpu vm/hsa code. 189 */ 190 191 static void gmc_v11_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, 192 unsigned int vmhub, uint32_t flush_type) 193 { 194 bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(adev, vmhub); 195 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; 196 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type); 197 u32 tmp; 198 /* Use register 17 for GART */ 199 const unsigned eng = 17; 200 unsigned int i; 201 unsigned char hub_ip = 0; 202 203 hub_ip = (vmhub == AMDGPU_GFXHUB_0) ? 204 GC_HWIP : MMHUB_HWIP; 205 206 spin_lock(&adev->gmc.invalidate_lock); 207 /* 208 * It may lose gpuvm invalidate acknowldege state across power-gating 209 * off cycle, add semaphore acquire before invalidation and semaphore 210 * release after invalidation to avoid entering power gated state 211 * to WA the Issue 212 */ 213 214 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 215 if (use_semaphore) { 216 for (i = 0; i < adev->usec_timeout; i++) { 217 /* a read return value of 1 means semaphore acuqire */ 218 tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem + 219 hub->eng_distance * eng, hub_ip); 220 if (tmp & 0x1) 221 break; 222 udelay(1); 223 } 224 225 if (i >= adev->usec_timeout) 226 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); 227 } 228 229 WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req, hub_ip); 230 231 /* Wait for ACK with a delay.*/ 232 for (i = 0; i < adev->usec_timeout; i++) { 233 tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_ack + 234 hub->eng_distance * eng, hub_ip); 235 tmp &= 1 << vmid; 236 if (tmp) 237 break; 238 239 udelay(1); 240 } 241 242 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 243 if (use_semaphore) 244 /* 245 * add semaphore release after invalidation, 246 * write with 0 means semaphore release 247 */ 248 WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem + 249 hub->eng_distance * eng, 0, hub_ip); 250 251 /* Issue additional private vm invalidation to MMHUB */ 252 if ((vmhub != AMDGPU_GFXHUB_0) && 253 (hub->vm_l2_bank_select_reserved_cid2) && 254 !amdgpu_sriov_vf(adev)) { 255 inv_req = RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2); 256 /* bit 25: RSERVED_CACHE_PRIVATE_INVALIDATION */ 257 inv_req |= (1 << 25); 258 /* Issue private invalidation */ 259 WREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2, inv_req); 260 /* Read back to ensure invalidation is done*/ 261 RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2); 262 } 263 264 spin_unlock(&adev->gmc.invalidate_lock); 265 266 if (i < adev->usec_timeout) 267 return; 268 269 DRM_ERROR("Timeout waiting for VM flush ACK!\n"); 270 } 271 272 /** 273 * gmc_v11_0_flush_gpu_tlb - gart tlb flush callback 274 * 275 * @adev: amdgpu_device pointer 276 * @vmid: vm instance to flush 277 * @vmhub: which hub to flush 278 * @flush_type: the flush type 279 * 280 * Flush the TLB for the requested page table. 281 */ 282 static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 283 uint32_t vmhub, uint32_t flush_type) 284 { 285 if ((vmhub == AMDGPU_GFXHUB_0) && !adev->gfx.is_poweron) 286 return; 287 288 /* flush hdp cache */ 289 adev->hdp.funcs->flush_hdp(adev, NULL); 290 291 /* For SRIOV run time, driver shouldn't access the register through MMIO 292 * Directly use kiq to do the vm invalidation instead 293 */ 294 if ((adev->gfx.kiq.ring.sched.ready || adev->mes.ring.sched.ready) && 295 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) { 296 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; 297 const unsigned eng = 17; 298 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type); 299 u32 req = hub->vm_inv_eng0_req + hub->eng_distance * eng; 300 u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; 301 302 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req, 303 1 << vmid); 304 return; 305 } 306 307 mutex_lock(&adev->mman.gtt_window_lock); 308 gmc_v11_0_flush_vm_hub(adev, vmid, vmhub, 0); 309 mutex_unlock(&adev->mman.gtt_window_lock); 310 return; 311 } 312 313 /** 314 * gmc_v11_0_flush_gpu_tlb_pasid - tlb flush via pasid 315 * 316 * @adev: amdgpu_device pointer 317 * @pasid: pasid to be flush 318 * @flush_type: the flush type 319 * @all_hub: flush all hubs 320 * 321 * Flush the TLB for the requested pasid. 322 */ 323 static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 324 uint16_t pasid, uint32_t flush_type, 325 bool all_hub) 326 { 327 int vmid, i; 328 signed long r; 329 uint32_t seq; 330 uint16_t queried_pasid; 331 bool ret; 332 struct amdgpu_ring *ring = &adev->gfx.kiq.ring; 333 struct amdgpu_kiq *kiq = &adev->gfx.kiq; 334 335 if (amdgpu_emu_mode == 0 && ring->sched.ready) { 336 spin_lock(&adev->gfx.kiq.ring_lock); 337 /* 2 dwords flush + 8 dwords fence */ 338 amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8); 339 kiq->pmf->kiq_invalidate_tlbs(ring, 340 pasid, flush_type, all_hub); 341 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); 342 if (r) { 343 amdgpu_ring_undo(ring); 344 spin_unlock(&adev->gfx.kiq.ring_lock); 345 return -ETIME; 346 } 347 348 amdgpu_ring_commit(ring); 349 spin_unlock(&adev->gfx.kiq.ring_lock); 350 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout); 351 if (r < 1) { 352 dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r); 353 return -ETIME; 354 } 355 356 return 0; 357 } 358 359 for (vmid = 1; vmid < 16; vmid++) { 360 361 ret = gmc_v11_0_get_vmid_pasid_mapping_info(adev, vmid, 362 &queried_pasid); 363 if (ret && queried_pasid == pasid) { 364 if (all_hub) { 365 for (i = 0; i < adev->num_vmhubs; i++) 366 gmc_v11_0_flush_gpu_tlb(adev, vmid, 367 i, flush_type); 368 } else { 369 gmc_v11_0_flush_gpu_tlb(adev, vmid, 370 AMDGPU_GFXHUB_0, flush_type); 371 } 372 } 373 } 374 375 return 0; 376 } 377 378 static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 379 unsigned vmid, uint64_t pd_addr) 380 { 381 bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub); 382 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 383 uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0); 384 unsigned eng = ring->vm_inv_eng; 385 386 /* 387 * It may lose gpuvm invalidate acknowldege state across power-gating 388 * off cycle, add semaphore acquire before invalidation and semaphore 389 * release after invalidation to avoid entering power gated state 390 * to WA the Issue 391 */ 392 393 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 394 if (use_semaphore) 395 /* a read return value of 1 means semaphore acuqire */ 396 amdgpu_ring_emit_reg_wait(ring, 397 hub->vm_inv_eng0_sem + 398 hub->eng_distance * eng, 0x1, 0x1); 399 400 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + 401 (hub->ctx_addr_distance * vmid), 402 lower_32_bits(pd_addr)); 403 404 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + 405 (hub->ctx_addr_distance * vmid), 406 upper_32_bits(pd_addr)); 407 408 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + 409 hub->eng_distance * eng, 410 hub->vm_inv_eng0_ack + 411 hub->eng_distance * eng, 412 req, 1 << vmid); 413 414 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 415 if (use_semaphore) 416 /* 417 * add semaphore release after invalidation, 418 * write with 0 means semaphore release 419 */ 420 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem + 421 hub->eng_distance * eng, 0); 422 423 return pd_addr; 424 } 425 426 static void gmc_v11_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 427 unsigned pasid) 428 { 429 struct amdgpu_device *adev = ring->adev; 430 uint32_t reg; 431 432 /* MES fw manages IH_VMID_x_LUT updating */ 433 if (ring->is_mes_queue) 434 return; 435 436 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) 437 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid; 438 else 439 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid; 440 441 amdgpu_ring_emit_wreg(ring, reg, pasid); 442 } 443 444 /* 445 * PTE format: 446 * 63:59 reserved 447 * 58:57 reserved 448 * 56 F 449 * 55 L 450 * 54 reserved 451 * 53:52 SW 452 * 51 T 453 * 50:48 mtype 454 * 47:12 4k physical page base address 455 * 11:7 fragment 456 * 6 write 457 * 5 read 458 * 4 exe 459 * 3 Z 460 * 2 snooped 461 * 1 system 462 * 0 valid 463 * 464 * PDE format: 465 * 63:59 block fragment size 466 * 58:55 reserved 467 * 54 P 468 * 53:48 reserved 469 * 47:6 physical base address of PD or PTE 470 * 5:3 reserved 471 * 2 C 472 * 1 system 473 * 0 valid 474 */ 475 476 static uint64_t gmc_v11_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) 477 { 478 switch (flags) { 479 case AMDGPU_VM_MTYPE_DEFAULT: 480 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 481 case AMDGPU_VM_MTYPE_NC: 482 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 483 case AMDGPU_VM_MTYPE_WC: 484 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC); 485 case AMDGPU_VM_MTYPE_CC: 486 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC); 487 case AMDGPU_VM_MTYPE_UC: 488 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); 489 default: 490 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 491 } 492 } 493 494 static void gmc_v11_0_get_vm_pde(struct amdgpu_device *adev, int level, 495 uint64_t *addr, uint64_t *flags) 496 { 497 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM)) 498 *addr = adev->vm_manager.vram_base_offset + *addr - 499 adev->gmc.vram_start; 500 BUG_ON(*addr & 0xFFFF00000000003FULL); 501 502 if (!adev->gmc.translate_further) 503 return; 504 505 if (level == AMDGPU_VM_PDB1) { 506 /* Set the block fragment size */ 507 if (!(*flags & AMDGPU_PDE_PTE)) 508 *flags |= AMDGPU_PDE_BFS(0x9); 509 510 } else if (level == AMDGPU_VM_PDB0) { 511 if (*flags & AMDGPU_PDE_PTE) 512 *flags &= ~AMDGPU_PDE_PTE; 513 else 514 *flags |= AMDGPU_PTE_TF; 515 } 516 } 517 518 static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev, 519 struct amdgpu_bo_va_mapping *mapping, 520 uint64_t *flags) 521 { 522 struct amdgpu_bo *bo = mapping->bo_va->base.bo; 523 524 *flags &= ~AMDGPU_PTE_EXECUTABLE; 525 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; 526 527 *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK; 528 *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK); 529 530 *flags &= ~AMDGPU_PTE_NOALLOC; 531 *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC); 532 533 if (mapping->flags & AMDGPU_PTE_PRT) { 534 *flags |= AMDGPU_PTE_PRT; 535 *flags |= AMDGPU_PTE_SNOOPED; 536 *flags |= AMDGPU_PTE_LOG; 537 *flags |= AMDGPU_PTE_SYSTEM; 538 *flags &= ~AMDGPU_PTE_VALID; 539 } 540 541 if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT | 542 AMDGPU_GEM_CREATE_UNCACHED)) 543 *flags = (*flags & ~AMDGPU_PTE_MTYPE_NV10_MASK) | 544 AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); 545 } 546 547 static unsigned gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev) 548 { 549 return 0; 550 } 551 552 static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = { 553 .flush_gpu_tlb = gmc_v11_0_flush_gpu_tlb, 554 .flush_gpu_tlb_pasid = gmc_v11_0_flush_gpu_tlb_pasid, 555 .emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb, 556 .emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping, 557 .map_mtype = gmc_v11_0_map_mtype, 558 .get_vm_pde = gmc_v11_0_get_vm_pde, 559 .get_vm_pte = gmc_v11_0_get_vm_pte, 560 .get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size, 561 }; 562 563 static void gmc_v11_0_set_gmc_funcs(struct amdgpu_device *adev) 564 { 565 adev->gmc.gmc_funcs = &gmc_v11_0_gmc_funcs; 566 } 567 568 static void gmc_v11_0_set_umc_funcs(struct amdgpu_device *adev) 569 { 570 switch (adev->ip_versions[UMC_HWIP][0]) { 571 case IP_VERSION(8, 10, 0): 572 adev->umc.channel_inst_num = UMC_V8_10_CHANNEL_INSTANCE_NUM; 573 adev->umc.umc_inst_num = UMC_V8_10_UMC_INSTANCE_NUM; 574 adev->umc.max_ras_err_cnt_per_query = UMC_V8_10_TOTAL_CHANNEL_NUM(adev); 575 adev->umc.channel_offs = UMC_V8_10_PER_CHANNEL_OFFSET; 576 adev->umc.retire_unit = UMC_V8_10_NA_COL_2BITS_POWER_OF_2_NUM; 577 if (adev->umc.node_inst_num == 4) 578 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl_ext0[0][0][0]; 579 else 580 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl[0][0][0]; 581 adev->umc.ras = &umc_v8_10_ras; 582 break; 583 case IP_VERSION(8, 11, 0): 584 break; 585 default: 586 break; 587 } 588 } 589 590 591 static void gmc_v11_0_set_mmhub_funcs(struct amdgpu_device *adev) 592 { 593 switch (adev->ip_versions[MMHUB_HWIP][0]) { 594 case IP_VERSION(3, 0, 1): 595 adev->mmhub.funcs = &mmhub_v3_0_1_funcs; 596 break; 597 case IP_VERSION(3, 0, 2): 598 adev->mmhub.funcs = &mmhub_v3_0_2_funcs; 599 break; 600 default: 601 adev->mmhub.funcs = &mmhub_v3_0_funcs; 602 break; 603 } 604 } 605 606 static void gmc_v11_0_set_gfxhub_funcs(struct amdgpu_device *adev) 607 { 608 switch (adev->ip_versions[GC_HWIP][0]) { 609 case IP_VERSION(11, 0, 3): 610 adev->gfxhub.funcs = &gfxhub_v3_0_3_funcs; 611 break; 612 default: 613 adev->gfxhub.funcs = &gfxhub_v3_0_funcs; 614 break; 615 } 616 } 617 618 static int gmc_v11_0_early_init(void *handle) 619 { 620 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 621 622 gmc_v11_0_set_gfxhub_funcs(adev); 623 gmc_v11_0_set_mmhub_funcs(adev); 624 gmc_v11_0_set_gmc_funcs(adev); 625 gmc_v11_0_set_irq_funcs(adev); 626 gmc_v11_0_set_umc_funcs(adev); 627 628 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 629 adev->gmc.shared_aperture_end = 630 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 631 adev->gmc.private_aperture_start = 0x1000000000000000ULL; 632 adev->gmc.private_aperture_end = 633 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 634 635 return 0; 636 } 637 638 static int gmc_v11_0_late_init(void *handle) 639 { 640 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 641 int r; 642 643 r = amdgpu_gmc_allocate_vm_inv_eng(adev); 644 if (r) 645 return r; 646 647 r = amdgpu_gmc_ras_late_init(adev); 648 if (r) 649 return r; 650 651 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 652 } 653 654 static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev, 655 struct amdgpu_gmc *mc) 656 { 657 u64 base = 0; 658 659 base = adev->mmhub.funcs->get_fb_location(adev); 660 661 amdgpu_gmc_vram_location(adev, &adev->gmc, base); 662 amdgpu_gmc_gart_location(adev, mc); 663 amdgpu_gmc_agp_location(adev, mc); 664 665 /* base offset of vram pages */ 666 if (amdgpu_sriov_vf(adev)) 667 adev->vm_manager.vram_base_offset = 0; 668 else 669 adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev); 670 } 671 672 /** 673 * gmc_v11_0_mc_init - initialize the memory controller driver params 674 * 675 * @adev: amdgpu_device pointer 676 * 677 * Look up the amount of vram, vram width, and decide how to place 678 * vram and gart within the GPU's physical address space. 679 * Returns 0 for success. 680 */ 681 static int gmc_v11_0_mc_init(struct amdgpu_device *adev) 682 { 683 int r; 684 685 /* size in MB on si */ 686 adev->gmc.mc_vram_size = 687 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; 688 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 689 690 if (!(adev->flags & AMD_IS_APU)) { 691 r = amdgpu_device_resize_fb_bar(adev); 692 if (r) 693 return r; 694 } 695 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 696 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 697 698 #ifdef CONFIG_X86_64 699 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) { 700 adev->gmc.aper_base = adev->mmhub.funcs->get_mc_fb_offset(adev); 701 adev->gmc.aper_size = adev->gmc.real_vram_size; 702 } 703 #endif 704 /* In case the PCI BAR is larger than the actual amount of vram */ 705 adev->gmc.visible_vram_size = adev->gmc.aper_size; 706 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 707 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 708 709 /* set the gart size */ 710 if (amdgpu_gart_size == -1) { 711 adev->gmc.gart_size = 512ULL << 20; 712 } else 713 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 714 715 gmc_v11_0_vram_gtt_location(adev, &adev->gmc); 716 717 return 0; 718 } 719 720 static int gmc_v11_0_gart_init(struct amdgpu_device *adev) 721 { 722 int r; 723 724 if (adev->gart.bo) { 725 WARN(1, "PCIE GART already initialized\n"); 726 return 0; 727 } 728 729 /* Initialize common gart structure */ 730 r = amdgpu_gart_init(adev); 731 if (r) 732 return r; 733 734 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 735 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) | 736 AMDGPU_PTE_EXECUTABLE; 737 738 return amdgpu_gart_table_vram_alloc(adev); 739 } 740 741 static int gmc_v11_0_sw_init(void *handle) 742 { 743 int r, vram_width = 0, vram_type = 0, vram_vendor = 0; 744 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 745 746 adev->mmhub.funcs->init(adev); 747 748 spin_lock_init(&adev->gmc.invalidate_lock); 749 750 r = amdgpu_atomfirmware_get_vram_info(adev, 751 &vram_width, &vram_type, &vram_vendor); 752 adev->gmc.vram_width = vram_width; 753 754 adev->gmc.vram_type = vram_type; 755 adev->gmc.vram_vendor = vram_vendor; 756 757 switch (adev->ip_versions[GC_HWIP][0]) { 758 case IP_VERSION(11, 0, 0): 759 case IP_VERSION(11, 0, 1): 760 case IP_VERSION(11, 0, 2): 761 case IP_VERSION(11, 0, 3): 762 case IP_VERSION(11, 0, 4): 763 adev->num_vmhubs = 2; 764 /* 765 * To fulfill 4-level page support, 766 * vm size is 256TB (48bit), maximum size, 767 * block size 512 (9bit) 768 */ 769 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 770 break; 771 default: 772 break; 773 } 774 775 /* This interrupt is VMC page fault.*/ 776 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VMC, 777 VMC_1_0__SRCID__VM_FAULT, 778 &adev->gmc.vm_fault); 779 780 if (r) 781 return r; 782 783 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX, 784 UTCL2_1_0__SRCID__FAULT, 785 &adev->gmc.vm_fault); 786 if (r) 787 return r; 788 789 if (!amdgpu_sriov_vf(adev)) { 790 /* interrupt sent to DF. */ 791 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_DF, 0, 792 &adev->gmc.ecc_irq); 793 if (r) 794 return r; 795 } 796 797 /* 798 * Set the internal MC address mask This is the max address of the GPU's 799 * internal address space. 800 */ 801 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ 802 803 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); 804 if (r) { 805 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); 806 return r; 807 } 808 809 adev->need_swiotlb = drm_need_swiotlb(44); 810 811 r = gmc_v11_0_mc_init(adev); 812 if (r) 813 return r; 814 815 amdgpu_gmc_get_vbios_allocations(adev); 816 817 /* Memory manager */ 818 r = amdgpu_bo_init(adev); 819 if (r) 820 return r; 821 822 r = gmc_v11_0_gart_init(adev); 823 if (r) 824 return r; 825 826 /* 827 * number of VMs 828 * VMID 0 is reserved for System 829 * amdgpu graphics/compute will use VMIDs 1-7 830 * amdkfd will use VMIDs 8-15 831 */ 832 adev->vm_manager.first_kfd_vmid = 8; 833 834 amdgpu_vm_manager_init(adev); 835 836 r = amdgpu_gmc_ras_sw_init(adev); 837 if (r) 838 return r; 839 840 return 0; 841 } 842 843 /** 844 * gmc_v11_0_gart_fini - vm fini callback 845 * 846 * @adev: amdgpu_device pointer 847 * 848 * Tears down the driver GART/VM setup (CIK). 849 */ 850 static void gmc_v11_0_gart_fini(struct amdgpu_device *adev) 851 { 852 amdgpu_gart_table_vram_free(adev); 853 } 854 855 static int gmc_v11_0_sw_fini(void *handle) 856 { 857 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 858 859 amdgpu_vm_manager_fini(adev); 860 gmc_v11_0_gart_fini(adev); 861 amdgpu_gem_force_release(adev); 862 amdgpu_bo_fini(adev); 863 864 return 0; 865 } 866 867 static void gmc_v11_0_init_golden_registers(struct amdgpu_device *adev) 868 { 869 if (amdgpu_sriov_vf(adev)) { 870 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; 871 872 WREG32(hub->vm_contexts_disable, 0); 873 return; 874 } 875 } 876 877 /** 878 * gmc_v11_0_gart_enable - gart enable 879 * 880 * @adev: amdgpu_device pointer 881 */ 882 static int gmc_v11_0_gart_enable(struct amdgpu_device *adev) 883 { 884 int r; 885 bool value; 886 887 if (adev->gart.bo == NULL) { 888 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 889 return -EINVAL; 890 } 891 892 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); 893 894 r = adev->mmhub.funcs->gart_enable(adev); 895 if (r) 896 return r; 897 898 /* Flush HDP after it is initialized */ 899 adev->hdp.funcs->flush_hdp(adev, NULL); 900 901 value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ? 902 false : true; 903 904 adev->mmhub.funcs->set_fault_enable_default(adev, value); 905 gmc_v11_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB_0, 0); 906 907 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 908 (unsigned)(adev->gmc.gart_size >> 20), 909 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); 910 911 return 0; 912 } 913 914 static int gmc_v11_0_hw_init(void *handle) 915 { 916 int r; 917 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 918 919 /* The sequence of these two function calls matters.*/ 920 gmc_v11_0_init_golden_registers(adev); 921 922 r = gmc_v11_0_gart_enable(adev); 923 if (r) 924 return r; 925 926 if (adev->umc.funcs && adev->umc.funcs->init_registers) 927 adev->umc.funcs->init_registers(adev); 928 929 return 0; 930 } 931 932 /** 933 * gmc_v11_0_gart_disable - gart disable 934 * 935 * @adev: amdgpu_device pointer 936 * 937 * This disables all VM page table. 938 */ 939 static void gmc_v11_0_gart_disable(struct amdgpu_device *adev) 940 { 941 adev->mmhub.funcs->gart_disable(adev); 942 } 943 944 static int gmc_v11_0_hw_fini(void *handle) 945 { 946 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 947 948 if (amdgpu_sriov_vf(adev)) { 949 /* full access mode, so don't touch any GMC register */ 950 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 951 return 0; 952 } 953 954 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 955 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 956 gmc_v11_0_gart_disable(adev); 957 958 return 0; 959 } 960 961 static int gmc_v11_0_suspend(void *handle) 962 { 963 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 964 965 gmc_v11_0_hw_fini(adev); 966 967 return 0; 968 } 969 970 static int gmc_v11_0_resume(void *handle) 971 { 972 int r; 973 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 974 975 r = gmc_v11_0_hw_init(adev); 976 if (r) 977 return r; 978 979 amdgpu_vmid_reset_all(adev); 980 981 return 0; 982 } 983 984 static bool gmc_v11_0_is_idle(void *handle) 985 { 986 /* MC is always ready in GMC v11.*/ 987 return true; 988 } 989 990 static int gmc_v11_0_wait_for_idle(void *handle) 991 { 992 /* There is no need to wait for MC idle in GMC v11.*/ 993 return 0; 994 } 995 996 static int gmc_v11_0_soft_reset(void *handle) 997 { 998 return 0; 999 } 1000 1001 static int gmc_v11_0_set_clockgating_state(void *handle, 1002 enum amd_clockgating_state state) 1003 { 1004 int r; 1005 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1006 1007 r = adev->mmhub.funcs->set_clockgating(adev, state); 1008 if (r) 1009 return r; 1010 1011 return athub_v3_0_set_clockgating(adev, state); 1012 } 1013 1014 static void gmc_v11_0_get_clockgating_state(void *handle, u64 *flags) 1015 { 1016 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1017 1018 adev->mmhub.funcs->get_clockgating(adev, flags); 1019 1020 athub_v3_0_get_clockgating(adev, flags); 1021 } 1022 1023 static int gmc_v11_0_set_powergating_state(void *handle, 1024 enum amd_powergating_state state) 1025 { 1026 return 0; 1027 } 1028 1029 const struct amd_ip_funcs gmc_v11_0_ip_funcs = { 1030 .name = "gmc_v11_0", 1031 .early_init = gmc_v11_0_early_init, 1032 .sw_init = gmc_v11_0_sw_init, 1033 .hw_init = gmc_v11_0_hw_init, 1034 .late_init = gmc_v11_0_late_init, 1035 .sw_fini = gmc_v11_0_sw_fini, 1036 .hw_fini = gmc_v11_0_hw_fini, 1037 .suspend = gmc_v11_0_suspend, 1038 .resume = gmc_v11_0_resume, 1039 .is_idle = gmc_v11_0_is_idle, 1040 .wait_for_idle = gmc_v11_0_wait_for_idle, 1041 .soft_reset = gmc_v11_0_soft_reset, 1042 .set_clockgating_state = gmc_v11_0_set_clockgating_state, 1043 .set_powergating_state = gmc_v11_0_set_powergating_state, 1044 .get_clockgating_state = gmc_v11_0_get_clockgating_state, 1045 }; 1046 1047 const struct amdgpu_ip_block_version gmc_v11_0_ip_block = { 1048 .type = AMD_IP_BLOCK_TYPE_GMC, 1049 .major = 11, 1050 .minor = 0, 1051 .rev = 0, 1052 .funcs = &gmc_v11_0_ip_funcs, 1053 }; 1054