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 "dcn/dcn_3_2_0_offset.h" 35 #include "dcn/dcn_3_2_0_sh_mask.h" 36 #include "oss/osssys_6_0_0_offset.h" 37 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" 38 #include "navi10_enum.h" 39 #include "soc15.h" 40 #include "soc15d.h" 41 #include "soc15_common.h" 42 #include "nbio_v4_3.h" 43 #include "gfxhub_v3_0.h" 44 #include "gfxhub_v3_0_3.h" 45 #include "gfxhub_v11_5_0.h" 46 #include "mmhub_v3_0.h" 47 #include "mmhub_v3_0_1.h" 48 #include "mmhub_v3_0_2.h" 49 #include "mmhub_v3_3.h" 50 #include "athub_v3_0.h" 51 52 53 static int gmc_v11_0_ecc_interrupt_state(struct amdgpu_device *adev, 54 struct amdgpu_irq_src *src, 55 unsigned int type, 56 enum amdgpu_interrupt_state state) 57 { 58 return 0; 59 } 60 61 static int 62 gmc_v11_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 63 struct amdgpu_irq_src *src, unsigned int type, 64 enum amdgpu_interrupt_state state) 65 { 66 switch (state) { 67 case AMDGPU_IRQ_STATE_DISABLE: 68 /* MM HUB */ 69 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false); 70 /* GFX HUB */ 71 /* This works because this interrupt is only 72 * enabled at init/resume and disabled in 73 * fini/suspend, so the overall state doesn't 74 * change over the course of suspend/resume. 75 */ 76 if (!adev->in_s0ix && (adev->in_runpm || adev->in_suspend || 77 amdgpu_in_reset(adev))) 78 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), false); 79 break; 80 case AMDGPU_IRQ_STATE_ENABLE: 81 /* MM HUB */ 82 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), true); 83 /* GFX HUB */ 84 /* This works because this interrupt is only 85 * enabled at init/resume and disabled in 86 * fini/suspend, so the overall state doesn't 87 * change over the course of suspend/resume. 88 */ 89 if (!adev->in_s0ix) 90 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), true); 91 break; 92 default: 93 break; 94 } 95 96 return 0; 97 } 98 99 static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev, 100 struct amdgpu_irq_src *source, 101 struct amdgpu_iv_entry *entry) 102 { 103 uint32_t vmhub_index = entry->client_id == SOC21_IH_CLIENTID_VMC ? 104 AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0); 105 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub_index]; 106 uint32_t status = 0; 107 u64 addr; 108 109 addr = (u64)entry->src_data[0] << 12; 110 addr |= ((u64)entry->src_data[1] & 0xf) << 44; 111 112 if (!amdgpu_sriov_vf(adev)) { 113 /* 114 * Issue a dummy read to wait for the status register to 115 * be updated to avoid reading an incorrect value due to 116 * the new fast GRBM interface. 117 */ 118 if (entry->vmid_src == AMDGPU_GFXHUB(0)) 119 RREG32(hub->vm_l2_pro_fault_status); 120 121 status = RREG32(hub->vm_l2_pro_fault_status); 122 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); 123 124 amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, 125 entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0)); 126 } 127 128 if (printk_ratelimit()) { 129 struct amdgpu_task_info *task_info; 130 131 dev_err(adev->dev, 132 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n", 133 entry->vmid_src ? "mmhub" : "gfxhub", 134 entry->src_id, entry->ring_id, entry->vmid, entry->pasid); 135 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid); 136 if (task_info) { 137 amdgpu_vm_print_task_info(adev, task_info); 138 amdgpu_vm_put_task_info(task_info); 139 } 140 141 dev_err(adev->dev, " in page starting at address 0x%016llx from client %d\n", 142 addr, entry->client_id); 143 144 /* Only print L2 fault status if the status register could be read and 145 * contains useful information 146 */ 147 if (status != 0) 148 hub->vmhub_funcs->print_l2_protection_fault_status(adev, status); 149 } 150 151 return 0; 152 } 153 154 static const struct amdgpu_irq_src_funcs gmc_v11_0_irq_funcs = { 155 .set = gmc_v11_0_vm_fault_interrupt_state, 156 .process = gmc_v11_0_process_interrupt, 157 }; 158 159 static const struct amdgpu_irq_src_funcs gmc_v11_0_ecc_funcs = { 160 .set = gmc_v11_0_ecc_interrupt_state, 161 .process = amdgpu_umc_process_ecc_irq, 162 }; 163 164 static void gmc_v11_0_set_irq_funcs(struct amdgpu_device *adev) 165 { 166 adev->gmc.vm_fault.num_types = 1; 167 adev->gmc.vm_fault.funcs = &gmc_v11_0_irq_funcs; 168 169 if (!amdgpu_sriov_vf(adev)) { 170 adev->gmc.ecc_irq.num_types = 1; 171 adev->gmc.ecc_irq.funcs = &gmc_v11_0_ecc_funcs; 172 } 173 } 174 175 /** 176 * gmc_v11_0_use_invalidate_semaphore - judge whether to use semaphore 177 * 178 * @adev: amdgpu_device pointer 179 * @vmhub: vmhub type 180 * 181 */ 182 static bool gmc_v11_0_use_invalidate_semaphore(struct amdgpu_device *adev, 183 uint32_t vmhub) 184 { 185 return ((vmhub == AMDGPU_MMHUB0(0)) && 186 (!amdgpu_sriov_vf(adev))); 187 } 188 189 static bool gmc_v11_0_get_vmid_pasid_mapping_info( 190 struct amdgpu_device *adev, 191 uint8_t vmid, uint16_t *p_pasid) 192 { 193 *p_pasid = RREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid) & 0xffff; 194 195 return !!(*p_pasid); 196 } 197 198 /** 199 * gmc_v11_0_flush_gpu_tlb - gart tlb flush callback 200 * 201 * @adev: amdgpu_device pointer 202 * @vmid: vm instance to flush 203 * @vmhub: which hub to flush 204 * @flush_type: the flush type 205 * 206 * Flush the TLB for the requested page table. 207 */ 208 static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 209 uint32_t vmhub, uint32_t flush_type) 210 { 211 bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(adev, vmhub); 212 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; 213 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type); 214 /* Use register 17 for GART */ 215 const unsigned int eng = 17; 216 unsigned char hub_ip; 217 u32 sem, req, ack; 218 unsigned int i; 219 u32 tmp; 220 221 if ((vmhub == AMDGPU_GFXHUB(0)) && !adev->gfx.is_poweron) 222 return; 223 224 sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng; 225 req = hub->vm_inv_eng0_req + hub->eng_distance * eng; 226 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; 227 228 /* flush hdp cache */ 229 amdgpu_device_flush_hdp(adev, NULL); 230 231 /* This is necessary for SRIOV as well as for GFXOFF to function 232 * properly under bare metal 233 */ 234 if ((adev->gfx.kiq[0].ring.sched.ready || adev->mes.ring[0].sched.ready) && 235 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) { 236 amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req, 237 1 << vmid, GET_INST(GC, 0)); 238 return; 239 } 240 241 /* This path is needed before KIQ/MES/GFXOFF are set up */ 242 hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP; 243 244 spin_lock(&adev->gmc.invalidate_lock); 245 /* 246 * It may lose gpuvm invalidate acknowldege state across power-gating 247 * off cycle, add semaphore acquire before invalidation and semaphore 248 * release after invalidation to avoid entering power gated state 249 * to WA the Issue 250 */ 251 252 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 253 if (use_semaphore) { 254 for (i = 0; i < adev->usec_timeout; i++) { 255 /* a read return value of 1 means semaphore acuqire */ 256 tmp = RREG32_RLC_NO_KIQ(sem, hub_ip); 257 if (tmp & 0x1) 258 break; 259 udelay(1); 260 } 261 262 if (i >= adev->usec_timeout) 263 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); 264 } 265 266 WREG32_RLC_NO_KIQ(req, inv_req, hub_ip); 267 268 /* Wait for ACK with a delay.*/ 269 for (i = 0; i < adev->usec_timeout; i++) { 270 tmp = RREG32_RLC_NO_KIQ(ack, hub_ip); 271 tmp &= 1 << vmid; 272 if (tmp) 273 break; 274 275 udelay(1); 276 } 277 278 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 279 if (use_semaphore) 280 WREG32_RLC_NO_KIQ(sem, 0, hub_ip); 281 282 /* Issue additional private vm invalidation to MMHUB */ 283 if ((vmhub != AMDGPU_GFXHUB(0)) && 284 (hub->vm_l2_bank_select_reserved_cid2) && 285 !amdgpu_sriov_vf(adev)) { 286 inv_req = RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2); 287 /* bit 25: RSERVED_CACHE_PRIVATE_INVALIDATION */ 288 inv_req |= (1 << 25); 289 /* Issue private invalidation */ 290 WREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2, inv_req); 291 /* Read back to ensure invalidation is done*/ 292 RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2); 293 } 294 295 spin_unlock(&adev->gmc.invalidate_lock); 296 297 if (i >= adev->usec_timeout) 298 dev_err(adev->dev, "Timeout waiting for VM flush ACK!\n"); 299 } 300 301 /** 302 * gmc_v11_0_flush_gpu_tlb_pasid - tlb flush via pasid 303 * 304 * @adev: amdgpu_device pointer 305 * @pasid: pasid to be flush 306 * @flush_type: the flush type 307 * @all_hub: flush all hubs 308 * @inst: is used to select which instance of KIQ to use for the invalidation 309 * 310 * Flush the TLB for the requested pasid. 311 */ 312 static void gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 313 uint16_t pasid, uint32_t flush_type, 314 bool all_hub, uint32_t inst) 315 { 316 uint16_t queried; 317 int vmid, i; 318 319 for (vmid = 1; vmid < 16; vmid++) { 320 bool valid; 321 322 valid = gmc_v11_0_get_vmid_pasid_mapping_info(adev, vmid, 323 &queried); 324 if (!valid || queried != pasid) 325 continue; 326 327 if (all_hub) { 328 for_each_set_bit(i, adev->vmhubs_mask, 329 AMDGPU_MAX_VMHUBS) 330 gmc_v11_0_flush_gpu_tlb(adev, vmid, i, 331 flush_type); 332 } else { 333 gmc_v11_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0), 334 flush_type); 335 } 336 } 337 } 338 339 static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 340 unsigned int vmid, uint64_t pd_addr) 341 { 342 bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(ring->adev, ring->vm_hub); 343 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; 344 uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0); 345 unsigned int eng = ring->vm_inv_eng; 346 347 /* 348 * It may lose gpuvm invalidate acknowldege state across power-gating 349 * off cycle, add semaphore acquire before invalidation and semaphore 350 * release after invalidation to avoid entering power gated state 351 * to WA the Issue 352 */ 353 354 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 355 if (use_semaphore) 356 /* a read return value of 1 means semaphore acuqire */ 357 amdgpu_ring_emit_reg_wait(ring, 358 hub->vm_inv_eng0_sem + 359 hub->eng_distance * eng, 0x1, 0x1); 360 361 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + 362 (hub->ctx_addr_distance * vmid), 363 lower_32_bits(pd_addr)); 364 365 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + 366 (hub->ctx_addr_distance * vmid), 367 upper_32_bits(pd_addr)); 368 369 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + 370 hub->eng_distance * eng, 371 hub->vm_inv_eng0_ack + 372 hub->eng_distance * eng, 373 req, 1 << vmid); 374 375 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ 376 if (use_semaphore) 377 /* 378 * add semaphore release after invalidation, 379 * write with 0 means semaphore release 380 */ 381 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem + 382 hub->eng_distance * eng, 0); 383 384 return pd_addr; 385 } 386 387 static void gmc_v11_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid, 388 unsigned int pasid) 389 { 390 struct amdgpu_device *adev = ring->adev; 391 uint32_t reg; 392 393 if (ring->vm_hub == AMDGPU_GFXHUB(0)) 394 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid; 395 else 396 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid; 397 398 amdgpu_ring_emit_wreg(ring, reg, pasid); 399 } 400 401 /* 402 * PTE format: 403 * 63:59 reserved 404 * 58:57 reserved 405 * 56 F 406 * 55 L 407 * 54 reserved 408 * 53:52 SW 409 * 51 T 410 * 50:48 mtype 411 * 47:12 4k physical page base address 412 * 11:7 fragment 413 * 6 write 414 * 5 read 415 * 4 exe 416 * 3 Z 417 * 2 snooped 418 * 1 system 419 * 0 valid 420 * 421 * PDE format: 422 * 63:59 block fragment size 423 * 58:55 reserved 424 * 54 P 425 * 53:48 reserved 426 * 47:6 physical base address of PD or PTE 427 * 5:3 reserved 428 * 2 C 429 * 1 system 430 * 0 valid 431 */ 432 433 static void gmc_v11_0_get_vm_pde(struct amdgpu_device *adev, int level, 434 uint64_t *addr, uint64_t *flags) 435 { 436 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM)) 437 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr); 438 BUG_ON(*addr & 0xFFFF00000000003FULL); 439 440 if (!adev->gmc.translate_further) 441 return; 442 443 if (level == AMDGPU_VM_PDB1) { 444 /* Set the block fragment size */ 445 if (!(*flags & AMDGPU_PDE_PTE)) 446 *flags |= AMDGPU_PDE_BFS(0x9); 447 448 } else if (level == AMDGPU_VM_PDB0) { 449 if (*flags & AMDGPU_PDE_PTE) 450 *flags &= ~AMDGPU_PDE_PTE; 451 else 452 *flags |= AMDGPU_PTE_TF; 453 } 454 } 455 456 static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev, 457 struct amdgpu_vm *vm, 458 struct amdgpu_bo *bo, 459 uint32_t vm_flags, 460 uint64_t *flags) 461 { 462 if (vm_flags & AMDGPU_VM_PAGE_EXECUTABLE) 463 *flags |= AMDGPU_PTE_EXECUTABLE; 464 else 465 *flags &= ~AMDGPU_PTE_EXECUTABLE; 466 467 switch (vm_flags & AMDGPU_VM_MTYPE_MASK) { 468 case AMDGPU_VM_MTYPE_DEFAULT: 469 case AMDGPU_VM_MTYPE_NC: 470 default: 471 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_NC); 472 break; 473 case AMDGPU_VM_MTYPE_WC: 474 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_WC); 475 break; 476 case AMDGPU_VM_MTYPE_CC: 477 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_CC); 478 break; 479 case AMDGPU_VM_MTYPE_UC: 480 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_UC); 481 break; 482 } 483 484 if (vm_flags & AMDGPU_VM_PAGE_NOALLOC) 485 *flags |= AMDGPU_PTE_NOALLOC; 486 else 487 *flags &= ~AMDGPU_PTE_NOALLOC; 488 489 if (vm_flags & AMDGPU_VM_PAGE_PRT) { 490 *flags |= AMDGPU_PTE_PRT; 491 *flags |= AMDGPU_PTE_SNOOPED; 492 *flags |= AMDGPU_PTE_LOG; 493 *flags |= AMDGPU_PTE_SYSTEM; 494 *flags &= ~AMDGPU_PTE_VALID; 495 } 496 497 if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT | 498 AMDGPU_GEM_CREATE_EXT_COHERENT | 499 AMDGPU_GEM_CREATE_UNCACHED)) 500 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_UC); 501 } 502 503 static unsigned int gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev) 504 { 505 u32 d1vga_control = RREG32_SOC15(DCE, 0, regD1VGA_CONTROL); 506 unsigned int size; 507 508 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 509 size = AMDGPU_VBIOS_VGA_ALLOCATION; 510 } else { 511 u32 viewport; 512 u32 pitch; 513 514 viewport = RREG32_SOC15(DCE, 0, regHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); 515 pitch = RREG32_SOC15(DCE, 0, regHUBPREQ0_DCSURF_SURFACE_PITCH); 516 size = (REG_GET_FIELD(viewport, 517 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * 518 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) * 519 4); 520 } 521 522 return size; 523 } 524 525 static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = { 526 .flush_gpu_tlb = gmc_v11_0_flush_gpu_tlb, 527 .flush_gpu_tlb_pasid = gmc_v11_0_flush_gpu_tlb_pasid, 528 .emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb, 529 .emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping, 530 .get_vm_pde = gmc_v11_0_get_vm_pde, 531 .get_vm_pte = gmc_v11_0_get_vm_pte, 532 .get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size, 533 }; 534 535 static void gmc_v11_0_set_gmc_funcs(struct amdgpu_device *adev) 536 { 537 adev->gmc.gmc_funcs = &gmc_v11_0_gmc_funcs; 538 } 539 540 static void gmc_v11_0_set_umc_funcs(struct amdgpu_device *adev) 541 { 542 switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) { 543 case IP_VERSION(8, 10, 0): 544 adev->umc.channel_inst_num = UMC_V8_10_CHANNEL_INSTANCE_NUM; 545 adev->umc.umc_inst_num = UMC_V8_10_UMC_INSTANCE_NUM; 546 adev->umc.max_ras_err_cnt_per_query = UMC_V8_10_TOTAL_CHANNEL_NUM(adev); 547 adev->umc.channel_offs = UMC_V8_10_PER_CHANNEL_OFFSET; 548 adev->umc.retire_unit = UMC_V8_10_NA_COL_2BITS_POWER_OF_2_NUM; 549 if (adev->umc.node_inst_num == 4) 550 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl_ext0[0][0][0]; 551 else 552 adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl[0][0][0]; 553 adev->umc.ras = &umc_v8_10_ras; 554 break; 555 case IP_VERSION(8, 11, 0): 556 break; 557 default: 558 break; 559 } 560 } 561 562 563 static void gmc_v11_0_set_mmhub_funcs(struct amdgpu_device *adev) 564 { 565 switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) { 566 case IP_VERSION(3, 0, 1): 567 adev->mmhub.funcs = &mmhub_v3_0_1_funcs; 568 break; 569 case IP_VERSION(3, 0, 2): 570 adev->mmhub.funcs = &mmhub_v3_0_2_funcs; 571 break; 572 case IP_VERSION(3, 3, 0): 573 case IP_VERSION(3, 3, 1): 574 case IP_VERSION(3, 3, 2): 575 adev->mmhub.funcs = &mmhub_v3_3_funcs; 576 break; 577 default: 578 adev->mmhub.funcs = &mmhub_v3_0_funcs; 579 break; 580 } 581 } 582 583 static void gmc_v11_0_set_gfxhub_funcs(struct amdgpu_device *adev) 584 { 585 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { 586 case IP_VERSION(11, 0, 3): 587 adev->gfxhub.funcs = &gfxhub_v3_0_3_funcs; 588 break; 589 case IP_VERSION(11, 5, 0): 590 case IP_VERSION(11, 5, 1): 591 case IP_VERSION(11, 5, 2): 592 case IP_VERSION(11, 5, 3): 593 adev->gfxhub.funcs = &gfxhub_v11_5_0_funcs; 594 break; 595 default: 596 adev->gfxhub.funcs = &gfxhub_v3_0_funcs; 597 break; 598 } 599 } 600 601 static int gmc_v11_0_early_init(struct amdgpu_ip_block *ip_block) 602 { 603 struct amdgpu_device *adev = ip_block->adev; 604 605 gmc_v11_0_set_gfxhub_funcs(adev); 606 gmc_v11_0_set_mmhub_funcs(adev); 607 gmc_v11_0_set_gmc_funcs(adev); 608 gmc_v11_0_set_irq_funcs(adev); 609 gmc_v11_0_set_umc_funcs(adev); 610 611 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 612 adev->gmc.shared_aperture_end = 613 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 614 adev->gmc.private_aperture_start = 0x1000000000000000ULL; 615 adev->gmc.private_aperture_end = 616 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 617 adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF; 618 619 return 0; 620 } 621 622 static int gmc_v11_0_late_init(struct amdgpu_ip_block *ip_block) 623 { 624 struct amdgpu_device *adev = ip_block->adev; 625 int r; 626 627 r = amdgpu_gmc_allocate_vm_inv_eng(adev); 628 if (r) 629 return r; 630 631 r = amdgpu_gmc_ras_late_init(adev); 632 if (r) 633 return r; 634 635 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 636 } 637 638 static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev, 639 struct amdgpu_gmc *mc) 640 { 641 u64 base = 0; 642 643 base = adev->mmhub.funcs->get_fb_location(adev); 644 645 amdgpu_gmc_set_agp_default(adev, mc); 646 amdgpu_gmc_vram_location(adev, &adev->gmc, base); 647 amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_HIGH); 648 if (!amdgpu_sriov_vf(adev) && 649 (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(11, 5, 0)) && 650 (amdgpu_agp == 1)) 651 amdgpu_gmc_agp_location(adev, mc); 652 653 /* base offset of vram pages */ 654 if (amdgpu_sriov_vf(adev)) 655 adev->vm_manager.vram_base_offset = 0; 656 else 657 adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev); 658 } 659 660 /** 661 * gmc_v11_0_mc_init - initialize the memory controller driver params 662 * 663 * @adev: amdgpu_device pointer 664 * 665 * Look up the amount of vram, vram width, and decide how to place 666 * vram and gart within the GPU's physical address space. 667 * Returns 0 for success. 668 */ 669 static int gmc_v11_0_mc_init(struct amdgpu_device *adev) 670 { 671 int r; 672 673 /* size in MB on si */ 674 adev->gmc.mc_vram_size = 675 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; 676 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 677 678 if (!(adev->flags & AMD_IS_APU)) { 679 r = amdgpu_device_resize_fb_bar(adev); 680 if (r) 681 return r; 682 } 683 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 684 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 685 686 #ifdef CONFIG_X86_64 687 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) { 688 adev->gmc.aper_base = adev->mmhub.funcs->get_mc_fb_offset(adev); 689 adev->gmc.aper_size = adev->gmc.real_vram_size; 690 } 691 #endif 692 /* In case the PCI BAR is larger than the actual amount of vram */ 693 adev->gmc.visible_vram_size = adev->gmc.aper_size; 694 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 695 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 696 697 /* set the gart size */ 698 if (amdgpu_gart_size == -1) 699 adev->gmc.gart_size = 512ULL << 20; 700 else 701 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 702 703 gmc_v11_0_vram_gtt_location(adev, &adev->gmc); 704 705 return 0; 706 } 707 708 static int gmc_v11_0_gart_init(struct amdgpu_device *adev) 709 { 710 int r; 711 712 if (adev->gart.bo) { 713 WARN(1, "PCIE GART already initialized\n"); 714 return 0; 715 } 716 717 /* Initialize common gart structure */ 718 r = amdgpu_gart_init(adev); 719 if (r) 720 return r; 721 722 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 723 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC) | 724 AMDGPU_PTE_EXECUTABLE; 725 726 return amdgpu_gart_table_vram_alloc(adev); 727 } 728 729 static int gmc_v11_0_sw_init(struct amdgpu_ip_block *ip_block) 730 { 731 int r, vram_width = 0, vram_type = 0, vram_vendor = 0; 732 struct amdgpu_device *adev = ip_block->adev; 733 734 adev->mmhub.funcs->init(adev); 735 736 adev->gfxhub.funcs->init(adev); 737 738 spin_lock_init(&adev->gmc.invalidate_lock); 739 740 r = amdgpu_atomfirmware_get_vram_info(adev, 741 &vram_width, &vram_type, &vram_vendor); 742 adev->gmc.vram_width = vram_width; 743 744 adev->gmc.vram_type = vram_type; 745 adev->gmc.vram_vendor = vram_vendor; 746 747 /* The mall_size is already calculated as mall_size_per_umc * num_umc. 748 * However, for gfx1151, which features a 2-to-1 UMC mapping, 749 * the result must be multiplied by 2 to determine the actual mall size. 750 */ 751 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { 752 case IP_VERSION(11, 5, 1): 753 adev->gmc.mall_size *= 2; 754 break; 755 default: 756 break; 757 } 758 759 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { 760 case IP_VERSION(11, 0, 0): 761 case IP_VERSION(11, 0, 1): 762 case IP_VERSION(11, 0, 2): 763 case IP_VERSION(11, 0, 3): 764 case IP_VERSION(11, 0, 4): 765 case IP_VERSION(11, 5, 0): 766 case IP_VERSION(11, 5, 1): 767 case IP_VERSION(11, 5, 2): 768 case IP_VERSION(11, 5, 3): 769 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask); 770 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask); 771 /* 772 * To fulfill 4-level page support, 773 * vm size is 256TB (48bit), maximum size, 774 * block size 512 (9bit) 775 */ 776 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); 777 break; 778 default: 779 break; 780 } 781 782 /* This interrupt is VMC page fault.*/ 783 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VMC, 784 VMC_1_0__SRCID__VM_FAULT, 785 &adev->gmc.vm_fault); 786 787 if (r) 788 return r; 789 790 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX, 791 UTCL2_1_0__SRCID__FAULT, 792 &adev->gmc.vm_fault); 793 if (r) 794 return r; 795 796 if (!amdgpu_sriov_vf(adev)) { 797 /* interrupt sent to DF. */ 798 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_DF, 0, 799 &adev->gmc.ecc_irq); 800 if (r) 801 return r; 802 } 803 804 /* 805 * Set the internal MC address mask This is the max address of the GPU's 806 * internal address space. 807 */ 808 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ 809 810 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); 811 if (r) { 812 dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n"); 813 return r; 814 } 815 816 adev->need_swiotlb = drm_need_swiotlb(44); 817 818 r = gmc_v11_0_mc_init(adev); 819 if (r) 820 return r; 821 822 amdgpu_gmc_get_vbios_allocations(adev); 823 824 /* Memory manager */ 825 r = amdgpu_bo_init(adev); 826 if (r) 827 return r; 828 829 r = gmc_v11_0_gart_init(adev); 830 if (r) 831 return r; 832 833 /* 834 * number of VMs 835 * VMID 0 is reserved for System 836 * amdgpu graphics/compute will use VMIDs 1-7 837 * amdkfd will use VMIDs 8-15 838 */ 839 adev->vm_manager.first_kfd_vmid = adev->gfx.disable_kq ? 1 : 8; 840 841 amdgpu_vm_manager_init(adev); 842 843 r = amdgpu_gmc_ras_sw_init(adev); 844 if (r) 845 return r; 846 847 return 0; 848 } 849 850 /** 851 * gmc_v11_0_gart_fini - vm fini callback 852 * 853 * @adev: amdgpu_device pointer 854 * 855 * Tears down the driver GART/VM setup (CIK). 856 */ 857 static void gmc_v11_0_gart_fini(struct amdgpu_device *adev) 858 { 859 amdgpu_gart_table_vram_free(adev); 860 } 861 862 static int gmc_v11_0_sw_fini(struct amdgpu_ip_block *ip_block) 863 { 864 struct amdgpu_device *adev = ip_block->adev; 865 866 amdgpu_vm_manager_fini(adev); 867 gmc_v11_0_gart_fini(adev); 868 amdgpu_gem_force_release(adev); 869 amdgpu_bo_fini(adev); 870 871 return 0; 872 } 873 874 static void gmc_v11_0_init_golden_registers(struct amdgpu_device *adev) 875 { 876 if (amdgpu_sriov_vf(adev)) { 877 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; 878 879 WREG32(hub->vm_contexts_disable, 0); 880 return; 881 } 882 } 883 884 /** 885 * gmc_v11_0_gart_enable - gart enable 886 * 887 * @adev: amdgpu_device pointer 888 */ 889 static int gmc_v11_0_gart_enable(struct amdgpu_device *adev) 890 { 891 int r; 892 bool value; 893 894 if (adev->gart.bo == NULL) { 895 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 896 return -EINVAL; 897 } 898 899 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); 900 901 r = adev->mmhub.funcs->gart_enable(adev); 902 if (r) 903 return r; 904 905 /* Flush HDP after it is initialized */ 906 amdgpu_device_flush_hdp(adev, NULL); 907 908 value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ? 909 false : true; 910 911 adev->mmhub.funcs->set_fault_enable_default(adev, value); 912 gmc_v11_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0); 913 914 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 915 (unsigned int)(adev->gmc.gart_size >> 20), 916 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); 917 918 return 0; 919 } 920 921 static int gmc_v11_0_hw_init(struct amdgpu_ip_block *ip_block) 922 { 923 struct amdgpu_device *adev = ip_block->adev; 924 int r; 925 926 adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode; 927 928 /* The sequence of these two function calls matters.*/ 929 gmc_v11_0_init_golden_registers(adev); 930 931 r = gmc_v11_0_gart_enable(adev); 932 if (r) 933 return r; 934 935 if (adev->umc.funcs && adev->umc.funcs->init_registers) 936 adev->umc.funcs->init_registers(adev); 937 938 return 0; 939 } 940 941 /** 942 * gmc_v11_0_gart_disable - gart disable 943 * 944 * @adev: amdgpu_device pointer 945 * 946 * This disables all VM page table. 947 */ 948 static void gmc_v11_0_gart_disable(struct amdgpu_device *adev) 949 { 950 adev->mmhub.funcs->gart_disable(adev); 951 } 952 953 static int gmc_v11_0_hw_fini(struct amdgpu_ip_block *ip_block) 954 { 955 struct amdgpu_device *adev = ip_block->adev; 956 957 if (amdgpu_sriov_vf(adev)) { 958 /* full access mode, so don't touch any GMC register */ 959 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); 960 return 0; 961 } 962 963 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 964 965 if (adev->gmc.ecc_irq.funcs && 966 amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) 967 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 968 969 gmc_v11_0_gart_disable(adev); 970 971 return 0; 972 } 973 974 static int gmc_v11_0_suspend(struct amdgpu_ip_block *ip_block) 975 { 976 gmc_v11_0_hw_fini(ip_block); 977 978 return 0; 979 } 980 981 static int gmc_v11_0_resume(struct amdgpu_ip_block *ip_block) 982 { 983 int r; 984 985 r = gmc_v11_0_hw_init(ip_block); 986 if (r) 987 return r; 988 989 amdgpu_vmid_reset_all(ip_block->adev); 990 991 return 0; 992 } 993 994 static bool gmc_v11_0_is_idle(struct amdgpu_ip_block *ip_block) 995 { 996 /* MC is always ready in GMC v11.*/ 997 return true; 998 } 999 1000 static int gmc_v11_0_wait_for_idle(struct amdgpu_ip_block *ip_block) 1001 { 1002 /* There is no need to wait for MC idle in GMC v11.*/ 1003 return 0; 1004 } 1005 1006 static int gmc_v11_0_set_clockgating_state(struct amdgpu_ip_block *ip_block, 1007 enum amd_clockgating_state state) 1008 { 1009 int r; 1010 struct amdgpu_device *adev = ip_block->adev; 1011 1012 r = adev->mmhub.funcs->set_clockgating(adev, state); 1013 if (r) 1014 return r; 1015 1016 return athub_v3_0_set_clockgating(adev, state); 1017 } 1018 1019 static void gmc_v11_0_get_clockgating_state(struct amdgpu_ip_block *ip_block, u64 *flags) 1020 { 1021 struct amdgpu_device *adev = ip_block->adev; 1022 1023 adev->mmhub.funcs->get_clockgating(adev, flags); 1024 1025 athub_v3_0_get_clockgating(adev, flags); 1026 } 1027 1028 static int gmc_v11_0_set_powergating_state(struct amdgpu_ip_block *ip_block, 1029 enum amd_powergating_state state) 1030 { 1031 return 0; 1032 } 1033 1034 const struct amd_ip_funcs gmc_v11_0_ip_funcs = { 1035 .name = "gmc_v11_0", 1036 .early_init = gmc_v11_0_early_init, 1037 .sw_init = gmc_v11_0_sw_init, 1038 .hw_init = gmc_v11_0_hw_init, 1039 .late_init = gmc_v11_0_late_init, 1040 .sw_fini = gmc_v11_0_sw_fini, 1041 .hw_fini = gmc_v11_0_hw_fini, 1042 .suspend = gmc_v11_0_suspend, 1043 .resume = gmc_v11_0_resume, 1044 .is_idle = gmc_v11_0_is_idle, 1045 .wait_for_idle = gmc_v11_0_wait_for_idle, 1046 .set_clockgating_state = gmc_v11_0_set_clockgating_state, 1047 .set_powergating_state = gmc_v11_0_set_powergating_state, 1048 .get_clockgating_state = gmc_v11_0_get_clockgating_state, 1049 }; 1050 1051 const struct amdgpu_ip_block_version gmc_v11_0_ip_block = { 1052 .type = AMD_IP_BLOCK_TYPE_GMC, 1053 .major = 11, 1054 .minor = 0, 1055 .rev = 0, 1056 .funcs = &gmc_v11_0_ip_funcs, 1057 }; 1058