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 * 278 * Flush the TLB for the requested page table. 279 */ 280 static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 281 uint32_t vmhub, uint32_t flush_type) 282 { 283 if ((vmhub == AMDGPU_GFXHUB_0) && !adev->gfx.is_poweron) 284 return; 285 286 /* flush hdp cache */ 287 adev->hdp.funcs->flush_hdp(adev, NULL); 288 289 /* For SRIOV run time, driver shouldn't access the register through MMIO 290 * Directly use kiq to do the vm invalidation instead 291 */ 292 if ((adev->gfx.kiq.ring.sched.ready || adev->mes.ring.sched.ready) && 293 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) { 294 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; 295 const unsigned eng = 17; 296 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type); 297 u32 req = hub->vm_inv_eng0_req + hub->eng_distance * eng; 298 u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; 299 300 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req, 301 1 << vmid); 302 return; 303 } 304 305 mutex_lock(&adev->mman.gtt_window_lock); 306 gmc_v11_0_flush_vm_hub(adev, vmid, vmhub, 0); 307 mutex_unlock(&adev->mman.gtt_window_lock); 308 return; 309 } 310 311 /** 312 * gmc_v11_0_flush_gpu_tlb_pasid - tlb flush via pasid 313 * 314 * @adev: amdgpu_device pointer 315 * @pasid: pasid to be flush 316 * 317 * Flush the TLB for the requested pasid. 318 */ 319 static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 320 uint16_t pasid, uint32_t flush_type, 321 bool all_hub) 322 { 323 int vmid, i; 324 signed long r; 325 uint32_t seq; 326 uint16_t queried_pasid; 327 bool ret; 328 struct amdgpu_ring *ring = &adev->gfx.kiq.ring; 329 struct amdgpu_kiq *kiq = &adev->gfx.kiq; 330 331 if (amdgpu_emu_mode == 0 && ring->sched.ready) { 332 spin_lock(&adev->gfx.kiq.ring_lock); 333 /* 2 dwords flush + 8 dwords fence */ 334 amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8); 335 kiq->pmf->kiq_invalidate_tlbs(ring, 336 pasid, flush_type, all_hub); 337 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); 338 if (r) { 339 amdgpu_ring_undo(ring); 340 spin_unlock(&adev->gfx.kiq.ring_lock); 341 return -ETIME; 342 } 343 344 amdgpu_ring_commit(ring); 345 spin_unlock(&adev->gfx.kiq.ring_lock); 346 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout); 347 if (r < 1) { 348 dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r); 349 return -ETIME; 350 } 351 352 return 0; 353 } 354 355 for (vmid = 1; vmid < 16; vmid++) { 356 357 ret = gmc_v11_0_get_vmid_pasid_mapping_info(adev, vmid, 358 &queried_pasid); 359 if (ret && queried_pasid == pasid) { 360 if (all_hub) { 361 for (i = 0; i < adev->num_vmhubs; i++) 362 gmc_v11_0_flush_gpu_tlb(adev, vmid, 363 i, flush_type); 364 } else { 365 gmc_v11_0_flush_gpu_tlb(adev, vmid, 366 AMDGPU_GFXHUB_0, flush_type); 367 } 368 } 369 } 370 371 return 0; 372 } 373 374 static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 375 unsigned vmid, uint64_t pd_addr) 376 { 377 bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub); 378 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 379 uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0); 380 unsigned eng = ring->vm_inv_eng; 381 382 /* 383 * It may lose gpuvm invalidate acknowldege state across power-gating 384 * off cycle, add semaphore acquire before invalidation and semaphore 385 * release after invalidation to avoid entering power gated state 386 * to WA the Issue 387 */ 388 389 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 390 if (use_semaphore) 391 /* a read return value of 1 means semaphore acuqire */ 392 amdgpu_ring_emit_reg_wait(ring, 393 hub->vm_inv_eng0_sem + 394 hub->eng_distance * eng, 0x1, 0x1); 395 396 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + 397 (hub->ctx_addr_distance * vmid), 398 lower_32_bits(pd_addr)); 399 400 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + 401 (hub->ctx_addr_distance * vmid), 402 upper_32_bits(pd_addr)); 403 404 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + 405 hub->eng_distance * eng, 406 hub->vm_inv_eng0_ack + 407 hub->eng_distance * eng, 408 req, 1 << vmid); 409 410 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 411 if (use_semaphore) 412 /* 413 * add semaphore release after invalidation, 414 * write with 0 means semaphore release 415 */ 416 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem + 417 hub->eng_distance * eng, 0); 418 419 return pd_addr; 420 } 421 422 static void gmc_v11_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 423 unsigned pasid) 424 { 425 struct amdgpu_device *adev = ring->adev; 426 uint32_t reg; 427 428 /* MES fw manages IH_VMID_x_LUT updating */ 429 if (ring->is_mes_queue) 430 return; 431 432 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0) 433 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid; 434 else 435 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid; 436 437 amdgpu_ring_emit_wreg(ring, reg, pasid); 438 } 439 440 /* 441 * PTE format: 442 * 63:59 reserved 443 * 58:57 reserved 444 * 56 F 445 * 55 L 446 * 54 reserved 447 * 53:52 SW 448 * 51 T 449 * 50:48 mtype 450 * 47:12 4k physical page base address 451 * 11:7 fragment 452 * 6 write 453 * 5 read 454 * 4 exe 455 * 3 Z 456 * 2 snooped 457 * 1 system 458 * 0 valid 459 * 460 * PDE format: 461 * 63:59 block fragment size 462 * 58:55 reserved 463 * 54 P 464 * 53:48 reserved 465 * 47:6 physical base address of PD or PTE 466 * 5:3 reserved 467 * 2 C 468 * 1 system 469 * 0 valid 470 */ 471 472 static uint64_t gmc_v11_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) 473 { 474 switch (flags) { 475 case AMDGPU_VM_MTYPE_DEFAULT: 476 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 477 case AMDGPU_VM_MTYPE_NC: 478 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 479 case AMDGPU_VM_MTYPE_WC: 480 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC); 481 case AMDGPU_VM_MTYPE_CC: 482 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC); 483 case AMDGPU_VM_MTYPE_UC: 484 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); 485 default: 486 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); 487 } 488 } 489 490 static void gmc_v11_0_get_vm_pde(struct amdgpu_device *adev, int level, 491 uint64_t *addr, uint64_t *flags) 492 { 493 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM)) 494 *addr = adev->vm_manager.vram_base_offset + *addr - 495 adev->gmc.vram_start; 496 BUG_ON(*addr & 0xFFFF00000000003FULL); 497 498 if (!adev->gmc.translate_further) 499 return; 500 501 if (level == AMDGPU_VM_PDB1) { 502 /* Set the block fragment size */ 503 if (!(*flags & AMDGPU_PDE_PTE)) 504 *flags |= AMDGPU_PDE_BFS(0x9); 505 506 } else if (level == AMDGPU_VM_PDB0) { 507 if (*flags & AMDGPU_PDE_PTE) 508 *flags &= ~AMDGPU_PDE_PTE; 509 else 510 *flags |= AMDGPU_PTE_TF; 511 } 512 } 513 514 static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev, 515 struct amdgpu_bo_va_mapping *mapping, 516 uint64_t *flags) 517 { 518 struct amdgpu_bo *bo = mapping->bo_va->base.bo; 519 520 *flags &= ~AMDGPU_PTE_EXECUTABLE; 521 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; 522 523 *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK; 524 *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK); 525 526 *flags &= ~AMDGPU_PTE_NOALLOC; 527 *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC); 528 529 if (mapping->flags & AMDGPU_PTE_PRT) { 530 *flags |= AMDGPU_PTE_PRT; 531 *flags |= AMDGPU_PTE_SNOOPED; 532 *flags |= AMDGPU_PTE_LOG; 533 *flags |= AMDGPU_PTE_SYSTEM; 534 *flags &= ~AMDGPU_PTE_VALID; 535 } 536 537 if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT | 538 AMDGPU_GEM_CREATE_UNCACHED)) 539 *flags = (*flags & ~AMDGPU_PTE_MTYPE_NV10_MASK) | 540 AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); 541 } 542 543 static unsigned gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev) 544 { 545 return 0; 546 } 547 548 static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = { 549 .flush_gpu_tlb = gmc_v11_0_flush_gpu_tlb, 550 .flush_gpu_tlb_pasid = gmc_v11_0_flush_gpu_tlb_pasid, 551 .emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb, 552 .emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping, 553 .map_mtype = gmc_v11_0_map_mtype, 554 .get_vm_pde = gmc_v11_0_get_vm_pde, 555 .get_vm_pte = gmc_v11_0_get_vm_pte, 556 .get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size, 557 }; 558 559 static void gmc_v11_0_set_gmc_funcs(struct amdgpu_device *adev) 560 { 561 adev->gmc.gmc_funcs = &gmc_v11_0_gmc_funcs; 562 } 563 564 static void gmc_v11_0_set_umc_funcs(struct amdgpu_device *adev) 565 { 566 switch (adev->ip_versions[UMC_HWIP][0]) { 567 case IP_VERSION(8, 10, 0): 568 adev->umc.channel_inst_num = UMC_V8_10_CHANNEL_INSTANCE_NUM; 569 adev->umc.umc_inst_num = UMC_V8_10_UMC_INSTANCE_NUM; 570 adev->umc.max_ras_err_cnt_per_query = UMC_V8_10_TOTAL_CHANNEL_NUM(adev); 571 adev->umc.channel_offs = UMC_V8_10_PER_CHANNEL_OFFSET; 572 adev->umc.retire_unit = UMC_V8_10_NA_COL_2BITS_POWER_OF_2_NUM; 573 if (adev->umc.node_inst_num == 4) 574 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl_ext0[0][0][0]; 575 else 576 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl[0][0][0]; 577 adev->umc.ras = &umc_v8_10_ras; 578 break; 579 case IP_VERSION(8, 11, 0): 580 break; 581 default: 582 break; 583 } 584 } 585 586 587 static void gmc_v11_0_set_mmhub_funcs(struct amdgpu_device *adev) 588 { 589 switch (adev->ip_versions[MMHUB_HWIP][0]) { 590 case IP_VERSION(3, 0, 1): 591 adev->mmhub.funcs = &mmhub_v3_0_1_funcs; 592 break; 593 case IP_VERSION(3, 0, 2): 594 adev->mmhub.funcs = &mmhub_v3_0_2_funcs; 595 break; 596 default: 597 adev->mmhub.funcs = &mmhub_v3_0_funcs; 598 break; 599 } 600 } 601 602 static void gmc_v11_0_set_gfxhub_funcs(struct amdgpu_device *adev) 603 { 604 switch (adev->ip_versions[GC_HWIP][0]) { 605 case IP_VERSION(11, 0, 3): 606 adev->gfxhub.funcs = &gfxhub_v3_0_3_funcs; 607 break; 608 default: 609 adev->gfxhub.funcs = &gfxhub_v3_0_funcs; 610 break; 611 } 612 } 613 614 static int gmc_v11_0_early_init(void *handle) 615 { 616 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 617 618 gmc_v11_0_set_gfxhub_funcs(adev); 619 gmc_v11_0_set_mmhub_funcs(adev); 620 gmc_v11_0_set_gmc_funcs(adev); 621 gmc_v11_0_set_irq_funcs(adev); 622 gmc_v11_0_set_umc_funcs(adev); 623 624 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 625 adev->gmc.shared_aperture_end = 626 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 627 adev->gmc.private_aperture_start = 0x1000000000000000ULL; 628 adev->gmc.private_aperture_end = 629 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 630 631 return 0; 632 } 633 634 static int gmc_v11_0_late_init(void *handle) 635 { 636 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 637 int r; 638 639 r = amdgpu_gmc_allocate_vm_inv_eng(adev); 640 if (r) 641 return r; 642 643 r = amdgpu_gmc_ras_late_init(adev); 644 if (r) 645 return r; 646 647 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 648 } 649 650 static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev, 651 struct amdgpu_gmc *mc) 652 { 653 u64 base = 0; 654 655 base = adev->mmhub.funcs->get_fb_location(adev); 656 657 amdgpu_gmc_vram_location(adev, &adev->gmc, base); 658 amdgpu_gmc_gart_location(adev, mc); 659 amdgpu_gmc_agp_location(adev, mc); 660 661 /* base offset of vram pages */ 662 if (amdgpu_sriov_vf(adev)) 663 adev->vm_manager.vram_base_offset = 0; 664 else 665 adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev); 666 } 667 668 /** 669 * gmc_v11_0_mc_init - initialize the memory controller driver params 670 * 671 * @adev: amdgpu_device pointer 672 * 673 * Look up the amount of vram, vram width, and decide how to place 674 * vram and gart within the GPU's physical address space. 675 * Returns 0 for success. 676 */ 677 static int gmc_v11_0_mc_init(struct amdgpu_device *adev) 678 { 679 int r; 680 681 /* size in MB on si */ 682 adev->gmc.mc_vram_size = 683 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; 684 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 685 686 if (!(adev->flags & AMD_IS_APU)) { 687 r = amdgpu_device_resize_fb_bar(adev); 688 if (r) 689 return r; 690 } 691 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 692 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 693 694 #ifdef CONFIG_X86_64 695 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) { 696 adev->gmc.aper_base = adev->mmhub.funcs->get_mc_fb_offset(adev); 697 adev->gmc.aper_size = adev->gmc.real_vram_size; 698 } 699 #endif 700 /* In case the PCI BAR is larger than the actual amount of vram */ 701 adev->gmc.visible_vram_size = adev->gmc.aper_size; 702 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 703 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 704 705 /* set the gart size */ 706 if (amdgpu_gart_size == -1) { 707 adev->gmc.gart_size = 512ULL << 20; 708 } else 709 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 710 711 gmc_v11_0_vram_gtt_location(adev, &adev->gmc); 712 713 return 0; 714 } 715 716 static int gmc_v11_0_gart_init(struct amdgpu_device *adev) 717 { 718 int r; 719 720 if (adev->gart.bo) { 721 WARN(1, "PCIE GART already initialized\n"); 722 return 0; 723 } 724 725 /* Initialize common gart structure */ 726 r = amdgpu_gart_init(adev); 727 if (r) 728 return r; 729 730 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 731 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) | 732 AMDGPU_PTE_EXECUTABLE; 733 734 return amdgpu_gart_table_vram_alloc(adev); 735 } 736 737 static int gmc_v11_0_sw_init(void *handle) 738 { 739 int r, vram_width = 0, vram_type = 0, vram_vendor = 0; 740 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 741 742 adev->mmhub.funcs->init(adev); 743 744 spin_lock_init(&adev->gmc.invalidate_lock); 745 746 r = amdgpu_atomfirmware_get_vram_info(adev, 747 &vram_width, &vram_type, &vram_vendor); 748 adev->gmc.vram_width = vram_width; 749 750 adev->gmc.vram_type = vram_type; 751 adev->gmc.vram_vendor = vram_vendor; 752 753 switch (adev->ip_versions[GC_HWIP][0]) { 754 case IP_VERSION(11, 0, 0): 755 case IP_VERSION(11, 0, 1): 756 case IP_VERSION(11, 0, 2): 757 case IP_VERSION(11, 0, 3): 758 case IP_VERSION(11, 0, 4): 759 adev->num_vmhubs = 2; 760 /* 761 * To fulfill 4-level page support, 762 * vm size is 256TB (48bit), maximum size, 763 * block size 512 (9bit) 764 */ 765 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 766 break; 767 default: 768 break; 769 } 770 771 /* This interrupt is VMC page fault.*/ 772 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VMC, 773 VMC_1_0__SRCID__VM_FAULT, 774 &adev->gmc.vm_fault); 775 776 if (r) 777 return r; 778 779 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX, 780 UTCL2_1_0__SRCID__FAULT, 781 &adev->gmc.vm_fault); 782 if (r) 783 return r; 784 785 if (!amdgpu_sriov_vf(adev)) { 786 /* interrupt sent to DF. */ 787 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_DF, 0, 788 &adev->gmc.ecc_irq); 789 if (r) 790 return r; 791 } 792 793 /* 794 * Set the internal MC address mask This is the max address of the GPU's 795 * internal address space. 796 */ 797 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ 798 799 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); 800 if (r) { 801 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); 802 return r; 803 } 804 805 adev->need_swiotlb = drm_need_swiotlb(44); 806 807 r = gmc_v11_0_mc_init(adev); 808 if (r) 809 return r; 810 811 amdgpu_gmc_get_vbios_allocations(adev); 812 813 /* Memory manager */ 814 r = amdgpu_bo_init(adev); 815 if (r) 816 return r; 817 818 r = gmc_v11_0_gart_init(adev); 819 if (r) 820 return r; 821 822 /* 823 * number of VMs 824 * VMID 0 is reserved for System 825 * amdgpu graphics/compute will use VMIDs 1-7 826 * amdkfd will use VMIDs 8-15 827 */ 828 adev->vm_manager.first_kfd_vmid = 8; 829 830 amdgpu_vm_manager_init(adev); 831 832 r = amdgpu_gmc_ras_sw_init(adev); 833 if (r) 834 return r; 835 836 return 0; 837 } 838 839 /** 840 * gmc_v11_0_gart_fini - vm fini callback 841 * 842 * @adev: amdgpu_device pointer 843 * 844 * Tears down the driver GART/VM setup (CIK). 845 */ 846 static void gmc_v11_0_gart_fini(struct amdgpu_device *adev) 847 { 848 amdgpu_gart_table_vram_free(adev); 849 } 850 851 static int gmc_v11_0_sw_fini(void *handle) 852 { 853 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 854 855 amdgpu_vm_manager_fini(adev); 856 gmc_v11_0_gart_fini(adev); 857 amdgpu_gem_force_release(adev); 858 amdgpu_bo_fini(adev); 859 860 return 0; 861 } 862 863 static void gmc_v11_0_init_golden_registers(struct amdgpu_device *adev) 864 { 865 } 866 867 /** 868 * gmc_v11_0_gart_enable - gart enable 869 * 870 * @adev: amdgpu_device pointer 871 */ 872 static int gmc_v11_0_gart_enable(struct amdgpu_device *adev) 873 { 874 int r; 875 bool value; 876 877 if (adev->gart.bo == NULL) { 878 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 879 return -EINVAL; 880 } 881 882 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); 883 884 r = adev->mmhub.funcs->gart_enable(adev); 885 if (r) 886 return r; 887 888 /* Flush HDP after it is initialized */ 889 adev->hdp.funcs->flush_hdp(adev, NULL); 890 891 value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ? 892 false : true; 893 894 adev->mmhub.funcs->set_fault_enable_default(adev, value); 895 gmc_v11_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB_0, 0); 896 897 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 898 (unsigned)(adev->gmc.gart_size >> 20), 899 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); 900 901 return 0; 902 } 903 904 static int gmc_v11_0_hw_init(void *handle) 905 { 906 int r; 907 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 908 909 /* The sequence of these two function calls matters.*/ 910 gmc_v11_0_init_golden_registers(adev); 911 912 r = gmc_v11_0_gart_enable(adev); 913 if (r) 914 return r; 915 916 if (adev->umc.funcs && adev->umc.funcs->init_registers) 917 adev->umc.funcs->init_registers(adev); 918 919 return 0; 920 } 921 922 /** 923 * gmc_v11_0_gart_disable - gart disable 924 * 925 * @adev: amdgpu_device pointer 926 * 927 * This disables all VM page table. 928 */ 929 static void gmc_v11_0_gart_disable(struct amdgpu_device *adev) 930 { 931 adev->mmhub.funcs->gart_disable(adev); 932 } 933 934 static int gmc_v11_0_hw_fini(void *handle) 935 { 936 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 937 938 if (amdgpu_sriov_vf(adev)) { 939 /* full access mode, so don't touch any GMC register */ 940 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 941 return 0; 942 } 943 944 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 945 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 946 gmc_v11_0_gart_disable(adev); 947 948 return 0; 949 } 950 951 static int gmc_v11_0_suspend(void *handle) 952 { 953 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 954 955 gmc_v11_0_hw_fini(adev); 956 957 return 0; 958 } 959 960 static int gmc_v11_0_resume(void *handle) 961 { 962 int r; 963 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 964 965 r = gmc_v11_0_hw_init(adev); 966 if (r) 967 return r; 968 969 amdgpu_vmid_reset_all(adev); 970 971 return 0; 972 } 973 974 static bool gmc_v11_0_is_idle(void *handle) 975 { 976 /* MC is always ready in GMC v11.*/ 977 return true; 978 } 979 980 static int gmc_v11_0_wait_for_idle(void *handle) 981 { 982 /* There is no need to wait for MC idle in GMC v11.*/ 983 return 0; 984 } 985 986 static int gmc_v11_0_soft_reset(void *handle) 987 { 988 return 0; 989 } 990 991 static int gmc_v11_0_set_clockgating_state(void *handle, 992 enum amd_clockgating_state state) 993 { 994 int r; 995 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 996 997 r = adev->mmhub.funcs->set_clockgating(adev, state); 998 if (r) 999 return r; 1000 1001 return athub_v3_0_set_clockgating(adev, state); 1002 } 1003 1004 static void gmc_v11_0_get_clockgating_state(void *handle, u64 *flags) 1005 { 1006 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1007 1008 adev->mmhub.funcs->get_clockgating(adev, flags); 1009 1010 athub_v3_0_get_clockgating(adev, flags); 1011 } 1012 1013 static int gmc_v11_0_set_powergating_state(void *handle, 1014 enum amd_powergating_state state) 1015 { 1016 return 0; 1017 } 1018 1019 const struct amd_ip_funcs gmc_v11_0_ip_funcs = { 1020 .name = "gmc_v11_0", 1021 .early_init = gmc_v11_0_early_init, 1022 .sw_init = gmc_v11_0_sw_init, 1023 .hw_init = gmc_v11_0_hw_init, 1024 .late_init = gmc_v11_0_late_init, 1025 .sw_fini = gmc_v11_0_sw_fini, 1026 .hw_fini = gmc_v11_0_hw_fini, 1027 .suspend = gmc_v11_0_suspend, 1028 .resume = gmc_v11_0_resume, 1029 .is_idle = gmc_v11_0_is_idle, 1030 .wait_for_idle = gmc_v11_0_wait_for_idle, 1031 .soft_reset = gmc_v11_0_soft_reset, 1032 .set_clockgating_state = gmc_v11_0_set_clockgating_state, 1033 .set_powergating_state = gmc_v11_0_set_powergating_state, 1034 .get_clockgating_state = gmc_v11_0_get_clockgating_state, 1035 }; 1036 1037 const struct amdgpu_ip_block_version gmc_v11_0_ip_block = { 1038 .type = AMD_IP_BLOCK_TYPE_GMC, 1039 .major = 11, 1040 .minor = 0, 1041 .rev = 0, 1042 .funcs = &gmc_v11_0_ip_funcs, 1043 }; 1044