drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c

   1 /*
   2  * Copyright 2019 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 #include "amdgpu.h"
  26 #include "amdgpu_atomfirmware.h"
  27 #include "gmc_v10_0.h"
  28 #include "umc_v8_7.h"
  29
  30 #include "athub/athub_2_0_0_sh_mask.h"
  31 #include "athub/athub_2_0_0_offset.h"
  32 #include "dcn/dcn_2_0_0_offset.h"
  33 #include "dcn/dcn_2_0_0_sh_mask.h"
  34 #include "oss/osssys_5_0_0_offset.h"
  35 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
  36 #include "navi10_enum.h"
  37
  38 #include "soc15.h"
  39 #include "soc15d.h"
  40 #include "soc15_common.h"
  41
  42 #include "nbio_v2_3.h"
  43
  44 #include "gfxhub_v2_0.h"
  45 #include "gfxhub_v2_1.h"
  46 #include "mmhub_v2_0.h"
  47 #include "mmhub_v2_3.h"
  48 #include "athub_v2_0.h"
  49 #include "athub_v2_1.h"
  50
  51 #if 0
  52 static const struct soc15_reg_golden golden_settings_navi10_hdp[] =
  53 {
  54         /* TODO add golden setting for hdp */
  55 };
  56 #endif
  57
  58 static int gmc_v10_0_ecc_interrupt_state(struct amdgpu_device *adev,
  59                                          struct amdgpu_irq_src *src,
  60                                          unsigned type,
  61                                          enum amdgpu_interrupt_state state)
  62 {
  63         return 0;
  64 }
  65
  66 static int
  67 gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
  68                                    struct amdgpu_irq_src *src, unsigned type,
  69                                    enum amdgpu_interrupt_state state)
  70 {
  71         switch (state) {
  72         case AMDGPU_IRQ_STATE_DISABLE:
  73                 /* MM HUB */
  74                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, false);
  75                 /* GFX HUB */
  76                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, false);
  77                 break;
  78         case AMDGPU_IRQ_STATE_ENABLE:
  79                 /* MM HUB */
  80                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, true);
  81                 /* GFX HUB */
  82                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, true);
  83                 break;
  84         default:
  85                 break;
  86         }
  87
  88         return 0;
  89 }
  90
  91 static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
  92                                        struct amdgpu_irq_src *source,
  93                                        struct amdgpu_iv_entry *entry)
  94 {
  95         bool retry_fault = !!(entry->src_data[1] & 0x80);
  96         struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
  97         struct amdgpu_task_info task_info;
  98         uint32_t status = 0;
  99         u64 addr;
 100
 101         addr = (u64)entry->src_data[0] << 12;
 102         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
 103
 104         if (retry_fault) {
 105                 /* Returning 1 here also prevents sending the IV to the KFD */
 106
 107                 /* Process it onyl if it's the first fault for this address */
 108                 if (entry->ih != &adev->irq.ih_soft &&
 109                     amdgpu_gmc_filter_faults(adev, addr, entry->pasid,
 110                                              entry->timestamp))
 111                         return 1;
 112
 113                 /* Delegate it to a different ring if the hardware hasn't
 114                  * already done it.
 115                  */
 116                 if (in_interrupt()) {
 117                         amdgpu_irq_delegate(adev, entry, 8);
 118                         return 1;
 119                 }
 120
 121                 /* Try to handle the recoverable page faults by filling page
 122                  * tables
 123                  */
 124                 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr))
 125                         return 1;
 126         }
 127
 128         if (!amdgpu_sriov_vf(adev)) {
 129                 /*
 130                  * Issue a dummy read to wait for the status register to
 131                  * be updated to avoid reading an incorrect value due to
 132                  * the new fast GRBM interface.
 133                  */
 134                 if ((entry->vmid_src == AMDGPU_GFXHUB_0) &&
 135                     (adev->asic_type < CHIP_SIENNA_CICHLID))
 136                         RREG32(hub->vm_l2_pro_fault_status);
 137
 138                 status = RREG32(hub->vm_l2_pro_fault_status);
 139                 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
 140         }
 141
 142         if (!printk_ratelimit())
 143                 return 0;
 144
 145         memset(&task_info, 0, sizeof(struct amdgpu_task_info));
 146         amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
 147
 148         dev_err(adev->dev,
 149                 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u, "
 150                 "for process %s pid %d thread %s pid %d)\n",
 151                 entry->vmid_src ? "mmhub" : "gfxhub",
 152                 entry->src_id, entry->ring_id, entry->vmid,
 153                 entry->pasid, task_info.process_name, task_info.tgid,
 154                 task_info.task_name, task_info.pid);
 155         dev_err(adev->dev, "  in page starting at address 0x%016llx from client 0x%x (%s)\n",
 156                 addr, entry->client_id,
 157                 soc15_ih_clientid_name[entry->client_id]);
 158
 159         if (!amdgpu_sriov_vf(adev))
 160                 hub->vmhub_funcs->print_l2_protection_fault_status(adev,
 161                                                                    status);
 162
 163         return 0;
 164 }
 165
 166 static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
 167         .set = gmc_v10_0_vm_fault_interrupt_state,
 168         .process = gmc_v10_0_process_interrupt,
 169 };
 170
 171 static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = {
 172         .set = gmc_v10_0_ecc_interrupt_state,
 173         .process = amdgpu_umc_process_ecc_irq,
 174 };
 175
 176 static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
 177 {
 178         adev->gmc.vm_fault.num_types = 1;
 179         adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
 180
 181         if (!amdgpu_sriov_vf(adev)) {
 182                 adev->gmc.ecc_irq.num_types = 1;
 183                 adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs;
 184         }
 185 }
 186
 187 /**
 188  * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore
 189  *
 190  * @adev: amdgpu_device pointer
 191  * @vmhub: vmhub type
 192  *
 193  */
 194 static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 195                                        uint32_t vmhub)
 196 {
 197         return ((vmhub == AMDGPU_MMHUB_0 ||
 198                  vmhub == AMDGPU_MMHUB_1) &&
 199                 (!amdgpu_sriov_vf(adev)));
 200 }
 201
 202 static bool gmc_v10_0_get_atc_vmid_pasid_mapping_info(
 203                                         struct amdgpu_device *adev,
 204                                         uint8_t vmid, uint16_t *p_pasid)
 205 {
 206         uint32_t value;
 207
 208         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
 209                      + vmid);
 210         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
 211
 212         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
 213 }
 214
 215 /*
 216  * GART
 217  * VMID 0 is the physical GPU addresses as used by the kernel.
 218  * VMIDs 1-15 are used for userspace clients and are handled
 219  * by the amdgpu vm/hsa code.
 220  */
 221
 222 static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
 223                                    unsigned int vmhub, uint32_t flush_type)
 224 {
 225         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
 226         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 227         u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 228         u32 tmp;
 229         /* Use register 17 for GART */
 230         const unsigned eng = 17;
 231         unsigned int i;
 232
 233         spin_lock(&adev->gmc.invalidate_lock);
 234         /*
 235          * It may lose gpuvm invalidate acknowldege state across power-gating
 236          * off cycle, add semaphore acquire before invalidation and semaphore
 237          * release after invalidation to avoid entering power gated state
 238          * to WA the Issue
 239          */
 240
 241         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 242         if (use_semaphore) {
 243                 for (i = 0; i < adev->usec_timeout; i++) {
 244                         /* a read return value of 1 means semaphore acuqire */
 245                         tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem +
 246                                             hub->eng_distance * eng);
 247                         if (tmp & 0x1)
 248                                 break;
 249                         udelay(1);
 250                 }
 251
 252                 if (i >= adev->usec_timeout)
 253                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
 254         }
 255
 256         WREG32_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
 257
 258         /*
 259          * Issue a dummy read to wait for the ACK register to be cleared
 260          * to avoid a false ACK due to the new fast GRBM interface.
 261          */
 262         if ((vmhub == AMDGPU_GFXHUB_0) &&
 263             (adev->asic_type < CHIP_SIENNA_CICHLID))
 264                 RREG32_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng);
 265
 266         /* Wait for ACK with a delay.*/
 267         for (i = 0; i < adev->usec_timeout; i++) {
 268                 tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack +
 269                                     hub->eng_distance * eng);
 270                 tmp &= 1 << vmid;
 271                 if (tmp)
 272                         break;
 273
 274                 udelay(1);
 275         }
 276
 277         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 278         if (use_semaphore)
 279                 /*
 280                  * add semaphore release after invalidation,
 281                  * write with 0 means semaphore release
 282                  */
 283                 WREG32_NO_KIQ(hub->vm_inv_eng0_sem +
 284                               hub->eng_distance * eng, 0);
 285
 286         spin_unlock(&adev->gmc.invalidate_lock);
 287
 288         if (i < adev->usec_timeout)
 289                 return;
 290
 291         DRM_ERROR("Timeout waiting for VM flush ACK!\n");
 292 }
 293
 294 /**
 295  * gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
 296  *
 297  * @adev: amdgpu_device pointer
 298  * @vmid: vm instance to flush
 299  * @vmhub: vmhub type
 300  * @flush_type: the flush type
 301  *
 302  * Flush the TLB for the requested page table.
 303  */
 304 static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 305                                         uint32_t vmhub, uint32_t flush_type)
 306 {
 307         struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
 308         struct dma_fence *fence;
 309         struct amdgpu_job *job;
 310
 311         int r;
 312
 313         /* flush hdp cache */
 314         adev->hdp.funcs->flush_hdp(adev, NULL);
 315
 316         /* For SRIOV run time, driver shouldn't access the register through MMIO
 317          * Directly use kiq to do the vm invalidation instead
 318          */
 319         if (adev->gfx.kiq.ring.sched.ready &&
 320             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
 321             down_read_trylock(&adev->reset_sem)) {
 322                 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 323                 const unsigned eng = 17;
 324                 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 325                 u32 req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
 326                 u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
 327
 328                 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
 329                                 1 << vmid);
 330
 331                 up_read(&adev->reset_sem);
 332                 return;
 333         }
 334
 335         mutex_lock(&adev->mman.gtt_window_lock);
 336
 337         if (vmhub == AMDGPU_MMHUB_0) {
 338                 gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_MMHUB_0, 0);
 339                 mutex_unlock(&adev->mman.gtt_window_lock);
 340                 return;
 341         }
 342
 343         BUG_ON(vmhub != AMDGPU_GFXHUB_0);
 344
 345         if (!adev->mman.buffer_funcs_enabled ||
 346             !adev->ib_pool_ready ||
 347             amdgpu_in_reset(adev) ||
 348             ring->sched.ready == false) {
 349                 gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
 350                 mutex_unlock(&adev->mman.gtt_window_lock);
 351                 return;
 352         }
 353
 354         /* The SDMA on Navi has a bug which can theoretically result in memory
 355          * corruption if an invalidation happens at the same time as an VA
 356          * translation. Avoid this by doing the invalidation from the SDMA
 357          * itself.
 358          */
 359         r = amdgpu_job_alloc_with_ib(adev, 16 * 4, AMDGPU_IB_POOL_IMMEDIATE,
 360                                      &job);
 361         if (r)
 362                 goto error_alloc;
 363
 364         job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo);
 365         job->vm_needs_flush = true;
 366         job->ibs->ptr[job->ibs->length_dw++] = ring->funcs->nop;
 367         amdgpu_ring_pad_ib(ring, &job->ibs[0]);
 368         r = amdgpu_job_submit(job, &adev->mman.entity,
 369                               AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
 370         if (r)
 371                 goto error_submit;
 372
 373         mutex_unlock(&adev->mman.gtt_window_lock);
 374
 375         dma_fence_wait(fence, false);
 376         dma_fence_put(fence);
 377
 378         return;
 379
 380 error_submit:
 381         amdgpu_job_free(job);
 382
 383 error_alloc:
 384         mutex_unlock(&adev->mman.gtt_window_lock);
 385         DRM_ERROR("Error flushing GPU TLB using the SDMA (%d)!\n", r);
 386 }
 387
 388 /**
 389  * gmc_v10_0_flush_gpu_tlb_pasid - tlb flush via pasid
 390  *
 391  * @adev: amdgpu_device pointer
 392  * @pasid: pasid to be flush
 393  * @flush_type: the flush type
 394  * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
 395  *
 396  * Flush the TLB for the requested pasid.
 397  */
 398 static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 399                                         uint16_t pasid, uint32_t flush_type,
 400                                         bool all_hub)
 401 {
 402         int vmid, i;
 403         signed long r;
 404         uint32_t seq;
 405         uint16_t queried_pasid;
 406         bool ret;
 407         struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
 408         struct amdgpu_kiq *kiq = &adev->gfx.kiq;
 409
 410         if (amdgpu_emu_mode == 0 && ring->sched.ready) {
 411                 spin_lock(&adev->gfx.kiq.ring_lock);
 412                 /* 2 dwords flush + 8 dwords fence */
 413                 amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8);
 414                 kiq->pmf->kiq_invalidate_tlbs(ring,
 415                                         pasid, flush_type, all_hub);
 416                 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
 417                 if (r) {
 418                         amdgpu_ring_undo(ring);
 419                         spin_unlock(&adev->gfx.kiq.ring_lock);
 420                         return -ETIME;
 421                 }
 422
 423                 amdgpu_ring_commit(ring);
 424                 spin_unlock(&adev->gfx.kiq.ring_lock);
 425                 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
 426                 if (r < 1) {
 427                         dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
 428                         return -ETIME;
 429                 }
 430
 431                 return 0;
 432         }
 433
 434         for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) {
 435
 436                 ret = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
 437                                 &queried_pasid);
 438                 if (ret && queried_pasid == pasid) {
 439                         if (all_hub) {
 440                                 for (i = 0; i < adev->num_vmhubs; i++)
 441                                         gmc_v10_0_flush_gpu_tlb(adev, vmid,
 442                                                         i, flush_type);
 443                         } else {
 444                                 gmc_v10_0_flush_gpu_tlb(adev, vmid,
 445                                                 AMDGPU_GFXHUB_0, flush_type);
 446                         }
 447                         break;
 448                 }
 449         }
 450
 451         return 0;
 452 }
 453
 454 static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 455                                              unsigned vmid, uint64_t pd_addr)
 456 {
 457         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
 458         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
 459         uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
 460         unsigned eng = ring->vm_inv_eng;
 461
 462         /*
 463          * It may lose gpuvm invalidate acknowldege state across power-gating
 464          * off cycle, add semaphore acquire before invalidation and semaphore
 465          * release after invalidation to avoid entering power gated state
 466          * to WA the Issue
 467          */
 468
 469         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 470         if (use_semaphore)
 471                 /* a read return value of 1 means semaphore acuqire */
 472                 amdgpu_ring_emit_reg_wait(ring,
 473                                           hub->vm_inv_eng0_sem +
 474                                           hub->eng_distance * eng, 0x1, 0x1);
 475
 476         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
 477                               (hub->ctx_addr_distance * vmid),
 478                               lower_32_bits(pd_addr));
 479
 480         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
 481                               (hub->ctx_addr_distance * vmid),
 482                               upper_32_bits(pd_addr));
 483
 484         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
 485                                             hub->eng_distance * eng,
 486                                             hub->vm_inv_eng0_ack +
 487                                             hub->eng_distance * eng,
 488                                             req, 1 << vmid);
 489
 490         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 491         if (use_semaphore)
 492                 /*
 493                  * add semaphore release after invalidation,
 494                  * write with 0 means semaphore release
 495                  */
 496                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
 497                                       hub->eng_distance * eng, 0);
 498
 499         return pd_addr;
 500 }
 501
 502 static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
 503                                          unsigned pasid)
 504 {
 505         struct amdgpu_device *adev = ring->adev;
 506         uint32_t reg;
 507
 508         if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
 509                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
 510         else
 511                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
 512
 513         amdgpu_ring_emit_wreg(ring, reg, pasid);
 514 }
 515
 516 /*
 517  * PTE format on NAVI 10:
 518  * 63:59 reserved
 519  * 58 reserved and for sienna_cichlid is used for MALL noalloc
 520  * 57 reserved
 521  * 56 F
 522  * 55 L
 523  * 54 reserved
 524  * 53:52 SW
 525  * 51 T
 526  * 50:48 mtype
 527  * 47:12 4k physical page base address
 528  * 11:7 fragment
 529  * 6 write
 530  * 5 read
 531  * 4 exe
 532  * 3 Z
 533  * 2 snooped
 534  * 1 system
 535  * 0 valid
 536  *
 537  * PDE format on NAVI 10:
 538  * 63:59 block fragment size
 539  * 58:55 reserved
 540  * 54 P
 541  * 53:48 reserved
 542  * 47:6 physical base address of PD or PTE
 543  * 5:3 reserved
 544  * 2 C
 545  * 1 system
 546  * 0 valid
 547  */
 548
 549 static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
 550 {
 551         switch (flags) {
 552         case AMDGPU_VM_MTYPE_DEFAULT:
 553                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 554         case AMDGPU_VM_MTYPE_NC:
 555                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 556         case AMDGPU_VM_MTYPE_WC:
 557                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
 558         case AMDGPU_VM_MTYPE_CC:
 559                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
 560         case AMDGPU_VM_MTYPE_UC:
 561                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
 562         default:
 563                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 564         }
 565 }
 566
 567 static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
 568                                  uint64_t *addr, uint64_t *flags)
 569 {
 570         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
 571                 *addr = adev->vm_manager.vram_base_offset + *addr -
 572                         adev->gmc.vram_start;
 573         BUG_ON(*addr & 0xFFFF00000000003FULL);
 574
 575         if (!adev->gmc.translate_further)
 576                 return;
 577
 578         if (level == AMDGPU_VM_PDB1) {
 579                 /* Set the block fragment size */
 580                 if (!(*flags & AMDGPU_PDE_PTE))
 581                         *flags |= AMDGPU_PDE_BFS(0x9);
 582
 583         } else if (level == AMDGPU_VM_PDB0) {
 584                 if (*flags & AMDGPU_PDE_PTE)
 585                         *flags &= ~AMDGPU_PDE_PTE;
 586                 else
 587                         *flags |= AMDGPU_PTE_TF;
 588         }
 589 }
 590
 591 static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev,
 592                                  struct amdgpu_bo_va_mapping *mapping,
 593                                  uint64_t *flags)
 594 {
 595         *flags &= ~AMDGPU_PTE_EXECUTABLE;
 596         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
 597
 598         *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
 599         *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
 600
 601         if (mapping->flags & AMDGPU_PTE_PRT) {
 602                 *flags |= AMDGPU_PTE_PRT;
 603                 *flags |= AMDGPU_PTE_SNOOPED;
 604                 *flags |= AMDGPU_PTE_LOG;
 605                 *flags |= AMDGPU_PTE_SYSTEM;
 606                 *flags &= ~AMDGPU_PTE_VALID;
 607         }
 608 }
 609
 610 static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
 611 {
 612         u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
 613         unsigned size;
 614
 615         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
 616                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
 617         } else {
 618                 u32 viewport;
 619                 u32 pitch;
 620
 621                 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
 622                 pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
 623                 size = (REG_GET_FIELD(viewport,
 624                                         HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
 625                                 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
 626                                 4);
 627         }
 628
 629         return size;
 630 }
 631
 632 static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
 633         .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
 634         .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
 635         .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
 636         .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
 637         .map_mtype = gmc_v10_0_map_mtype,
 638         .get_vm_pde = gmc_v10_0_get_vm_pde,
 639         .get_vm_pte = gmc_v10_0_get_vm_pte,
 640         .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
 641 };
 642
 643 static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
 644 {
 645         if (adev->gmc.gmc_funcs == NULL)
 646                 adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
 647 }
 648
 649 static void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev)
 650 {
 651         switch (adev->asic_type) {
 652         case CHIP_SIENNA_CICHLID:
 653                 adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM;
 654                 adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM;
 655                 adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
 656                 adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
 657                 adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
 658                 adev->umc.funcs = &umc_v8_7_funcs;
 659                 break;
 660         default:
 661                 break;
 662         }
 663 }
 664
 665
 666 static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev)
 667 {
 668         switch (adev->asic_type) {
 669         case CHIP_VANGOGH:
 670                 adev->mmhub.funcs = &mmhub_v2_3_funcs;
 671                 break;
 672         default:
 673                 adev->mmhub.funcs = &mmhub_v2_0_funcs;
 674                 break;
 675         }
 676 }
 677
 678 static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev)
 679 {
 680         switch (adev->asic_type) {
 681         case CHIP_SIENNA_CICHLID:
 682         case CHIP_NAVY_FLOUNDER:
 683         case CHIP_VANGOGH:
 684         case CHIP_DIMGREY_CAVEFISH:
 685                 adev->gfxhub.funcs = &gfxhub_v2_1_funcs;
 686                 break;
 687         default:
 688                 adev->gfxhub.funcs = &gfxhub_v2_0_funcs;
 689                 break;
 690         }
 691 }
 692
 693
 694 static int gmc_v10_0_early_init(void *handle)
 695 {
 696         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 697
 698         gmc_v10_0_set_mmhub_funcs(adev);
 699         gmc_v10_0_set_gfxhub_funcs(adev);
 700         gmc_v10_0_set_gmc_funcs(adev);
 701         gmc_v10_0_set_irq_funcs(adev);
 702         gmc_v10_0_set_umc_funcs(adev);
 703
 704         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
 705         adev->gmc.shared_aperture_end =
 706                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
 707         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
 708         adev->gmc.private_aperture_end =
 709                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
 710
 711         return 0;
 712 }
 713
 714 static int gmc_v10_0_late_init(void *handle)
 715 {
 716         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 717         int r;
 718
 719         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
 720         if (r)
 721                 return r;
 722
 723         r = amdgpu_gmc_ras_late_init(adev);
 724         if (r)
 725                 return r;
 726
 727         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
 728 }
 729
 730 static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
 731                                         struct amdgpu_gmc *mc)
 732 {
 733         u64 base = 0;
 734
 735         base = adev->gfxhub.funcs->get_fb_location(adev);
 736
 737         /* add the xgmi offset of the physical node */
 738         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
 739
 740         amdgpu_gmc_vram_location(adev, &adev->gmc, base);
 741         amdgpu_gmc_gart_location(adev, mc);
 742         amdgpu_gmc_agp_location(adev, mc);
 743
 744         /* base offset of vram pages */
 745         adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
 746
 747         /* add the xgmi offset of the physical node */
 748         adev->vm_manager.vram_base_offset +=
 749                 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
 750 }
 751
 752 /**
 753  * gmc_v10_0_mc_init - initialize the memory controller driver params
 754  *
 755  * @adev: amdgpu_device pointer
 756  *
 757  * Look up the amount of vram, vram width, and decide how to place
 758  * vram and gart within the GPU's physical address space.
 759  * Returns 0 for success.
 760  */
 761 static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
 762 {
 763         int r;
 764
 765         /* size in MB on si */
 766         adev->gmc.mc_vram_size =
 767                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
 768         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 769
 770         if (!(adev->flags & AMD_IS_APU)) {
 771                 r = amdgpu_device_resize_fb_bar(adev);
 772                 if (r)
 773                         return r;
 774         }
 775         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
 776         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 777
 778 #ifdef CONFIG_X86_64
 779         if (adev->flags & AMD_IS_APU) {
 780                 adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
 781                 adev->gmc.aper_size = adev->gmc.real_vram_size;
 782         }
 783 #endif
 784
 785         /* In case the PCI BAR is larger than the actual amount of vram */
 786         adev->gmc.visible_vram_size = adev->gmc.aper_size;
 787         if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
 788                 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
 789
 790         /* set the gart size */
 791         if (amdgpu_gart_size == -1) {
 792                 switch (adev->asic_type) {
 793                 case CHIP_NAVI10:
 794                 case CHIP_NAVI14:
 795                 case CHIP_NAVI12:
 796                 case CHIP_SIENNA_CICHLID:
 797                 case CHIP_NAVY_FLOUNDER:
 798                 case CHIP_VANGOGH:
 799                 case CHIP_DIMGREY_CAVEFISH:
 800                 default:
 801                         adev->gmc.gart_size = 512ULL << 20;
 802                         break;
 803                 }
 804         } else
 805                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
 806
 807         gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
 808
 809         return 0;
 810 }
 811
 812 static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
 813 {
 814         int r;
 815
 816         if (adev->gart.bo) {
 817                 WARN(1, "NAVI10 PCIE GART already initialized\n");
 818                 return 0;
 819         }
 820
 821         /* Initialize common gart structure */
 822         r = amdgpu_gart_init(adev);
 823         if (r)
 824                 return r;
 825
 826         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
 827         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) |
 828                                  AMDGPU_PTE_EXECUTABLE;
 829
 830         return amdgpu_gart_table_vram_alloc(adev);
 831 }
 832
 833 static int gmc_v10_0_sw_init(void *handle)
 834 {
 835         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
 836         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 837
 838         adev->gfxhub.funcs->init(adev);
 839
 840         adev->mmhub.funcs->init(adev);
 841
 842         spin_lock_init(&adev->gmc.invalidate_lock);
 843
 844         if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) {
 845                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
 846                 adev->gmc.vram_width = 64;
 847         } else if (amdgpu_emu_mode == 1) {
 848                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6;
 849                 adev->gmc.vram_width = 1 * 128; /* numchan * chansize */
 850         } else {
 851                 r = amdgpu_atomfirmware_get_vram_info(adev,
 852                                 &vram_width, &vram_type, &vram_vendor);
 853                 adev->gmc.vram_width = vram_width;
 854
 855                 adev->gmc.vram_type = vram_type;
 856                 adev->gmc.vram_vendor = vram_vendor;
 857         }
 858
 859         switch (adev->asic_type) {
 860         case CHIP_NAVI10:
 861         case CHIP_NAVI14:
 862         case CHIP_NAVI12:
 863         case CHIP_SIENNA_CICHLID:
 864         case CHIP_NAVY_FLOUNDER:
 865         case CHIP_VANGOGH:
 866         case CHIP_DIMGREY_CAVEFISH:
 867                 adev->num_vmhubs = 2;
 868                 /*
 869                  * To fulfill 4-level page support,
 870                  * vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
 871                  * block size 512 (9bit)
 872                  */
 873                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
 874                 break;
 875         default:
 876                 break;
 877         }
 878
 879         /* This interrupt is VMC page fault.*/
 880         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
 881                               VMC_1_0__SRCID__VM_FAULT,
 882                               &adev->gmc.vm_fault);
 883
 884         if (r)
 885                 return r;
 886
 887         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
 888                               UTCL2_1_0__SRCID__FAULT,
 889                               &adev->gmc.vm_fault);
 890         if (r)
 891                 return r;
 892
 893         if (!amdgpu_sriov_vf(adev)) {
 894                 /* interrupt sent to DF. */
 895                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
 896                                       &adev->gmc.ecc_irq);
 897                 if (r)
 898                         return r;
 899         }
 900
 901         /*
 902          * Set the internal MC address mask This is the max address of the GPU's
 903          * internal address space.
 904          */
 905         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
 906
 907         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
 908         if (r) {
 909                 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
 910                 return r;
 911         }
 912
 913         if (adev->gmc.xgmi.supported) {
 914                 r = adev->gfxhub.funcs->get_xgmi_info(adev);
 915                 if (r)
 916                         return r;
 917         }
 918
 919         r = gmc_v10_0_mc_init(adev);
 920         if (r)
 921                 return r;
 922
 923         amdgpu_gmc_get_vbios_allocations(adev);
 924
 925         /* Memory manager */
 926         r = amdgpu_bo_init(adev);
 927         if (r)
 928                 return r;
 929
 930         r = gmc_v10_0_gart_init(adev);
 931         if (r)
 932                 return r;
 933
 934         /*
 935          * number of VMs
 936          * VMID 0 is reserved for System
 937          * amdgpu graphics/compute will use VMIDs 1-7
 938          * amdkfd will use VMIDs 8-15
 939          */
 940         adev->vm_manager.first_kfd_vmid = 8;
 941
 942         amdgpu_vm_manager_init(adev);
 943
 944         return 0;
 945 }
 946
 947 /**
 948  * gmc_v8_0_gart_fini - vm fini callback
 949  *
 950  * @adev: amdgpu_device pointer
 951  *
 952  * Tears down the driver GART/VM setup (CIK).
 953  */
 954 static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
 955 {
 956         amdgpu_gart_table_vram_free(adev);
 957         amdgpu_gart_fini(adev);
 958 }
 959
 960 static int gmc_v10_0_sw_fini(void *handle)
 961 {
 962         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 963
 964         amdgpu_vm_manager_fini(adev);
 965         gmc_v10_0_gart_fini(adev);
 966         amdgpu_gem_force_release(adev);
 967         amdgpu_bo_fini(adev);
 968
 969         return 0;
 970 }
 971
 972 static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
 973 {
 974         switch (adev->asic_type) {
 975         case CHIP_NAVI10:
 976         case CHIP_NAVI14:
 977         case CHIP_NAVI12:
 978         case CHIP_SIENNA_CICHLID:
 979         case CHIP_NAVY_FLOUNDER:
 980         case CHIP_VANGOGH:
 981         case CHIP_DIMGREY_CAVEFISH:
 982                 break;
 983         default:
 984                 break;
 985         }
 986 }
 987
 988 /**
 989  * gmc_v10_0_gart_enable - gart enable
 990  *
 991  * @adev: amdgpu_device pointer
 992  */
 993 static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
 994 {
 995         int r;
 996         bool value;
 997
 998         if (adev->gart.bo == NULL) {
 999                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
1000                 return -EINVAL;
1001         }
1002
1003         r = amdgpu_gart_table_vram_pin(adev);
1004         if (r)
1005                 return r;
1006
1007         r = adev->gfxhub.funcs->gart_enable(adev);
1008         if (r)
1009                 return r;
1010
1011         r = adev->mmhub.funcs->gart_enable(adev);
1012         if (r)
1013                 return r;
1014
1015         adev->hdp.funcs->init_registers(adev);
1016
1017         /* Flush HDP after it is initialized */
1018         adev->hdp.funcs->flush_hdp(adev, NULL);
1019
1020         value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
1021                 false : true;
1022
1023         adev->gfxhub.funcs->set_fault_enable_default(adev, value);
1024         adev->mmhub.funcs->set_fault_enable_default(adev, value);
1025         gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB_0, 0);
1026         gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB_0, 0);
1027
1028         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1029                  (unsigned)(adev->gmc.gart_size >> 20),
1030                  (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
1031
1032         adev->gart.ready = true;
1033
1034         return 0;
1035 }
1036
1037 static int gmc_v10_0_hw_init(void *handle)
1038 {
1039         int r;
1040         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1041
1042         /* The sequence of these two function calls matters.*/
1043         gmc_v10_0_init_golden_registers(adev);
1044
1045         r = gmc_v10_0_gart_enable(adev);
1046         if (r)
1047                 return r;
1048
1049         if (adev->umc.funcs && adev->umc.funcs->init_registers)
1050                 adev->umc.funcs->init_registers(adev);
1051
1052         return 0;
1053 }
1054
1055 /**
1056  * gmc_v10_0_gart_disable - gart disable
1057  *
1058  * @adev: amdgpu_device pointer
1059  *
1060  * This disables all VM page table.
1061  */
1062 static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
1063 {
1064         adev->gfxhub.funcs->gart_disable(adev);
1065         adev->mmhub.funcs->gart_disable(adev);
1066         amdgpu_gart_table_vram_unpin(adev);
1067 }
1068
1069 static int gmc_v10_0_hw_fini(void *handle)
1070 {
1071         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1072
1073         if (amdgpu_sriov_vf(adev)) {
1074                 /* full access mode, so don't touch any GMC register */
1075                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1076                 return 0;
1077         }
1078
1079         amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1080         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1081         gmc_v10_0_gart_disable(adev);
1082
1083         return 0;
1084 }
1085
1086 static int gmc_v10_0_suspend(void *handle)
1087 {
1088         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1089
1090         gmc_v10_0_hw_fini(adev);
1091
1092         return 0;
1093 }
1094
1095 static int gmc_v10_0_resume(void *handle)
1096 {
1097         int r;
1098         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1099
1100         r = gmc_v10_0_hw_init(adev);
1101         if (r)
1102                 return r;
1103
1104         amdgpu_vmid_reset_all(adev);
1105
1106         return 0;
1107 }
1108
1109 static bool gmc_v10_0_is_idle(void *handle)
1110 {
1111         /* MC is always ready in GMC v10.*/
1112         return true;
1113 }
1114
1115 static int gmc_v10_0_wait_for_idle(void *handle)
1116 {
1117         /* There is no need to wait for MC idle in GMC v10.*/
1118         return 0;
1119 }
1120
1121 static int gmc_v10_0_soft_reset(void *handle)
1122 {
1123         return 0;
1124 }
1125
1126 static int gmc_v10_0_set_clockgating_state(void *handle,
1127                                            enum amd_clockgating_state state)
1128 {
1129         int r;
1130         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1131
1132         r = adev->mmhub.funcs->set_clockgating(adev, state);
1133         if (r)
1134                 return r;
1135
1136         if (adev->asic_type >= CHIP_SIENNA_CICHLID &&
1137             adev->asic_type <= CHIP_DIMGREY_CAVEFISH)
1138                 return athub_v2_1_set_clockgating(adev, state);
1139         else
1140                 return athub_v2_0_set_clockgating(adev, state);
1141 }
1142
1143 static void gmc_v10_0_get_clockgating_state(void *handle, u32 *flags)
1144 {
1145         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1146
1147         adev->mmhub.funcs->get_clockgating(adev, flags);
1148
1149         if (adev->asic_type >= CHIP_SIENNA_CICHLID &&
1150             adev->asic_type <= CHIP_DIMGREY_CAVEFISH)
1151                 athub_v2_1_get_clockgating(adev, flags);
1152         else
1153                 athub_v2_0_get_clockgating(adev, flags);
1154 }
1155
1156 static int gmc_v10_0_set_powergating_state(void *handle,
1157                                            enum amd_powergating_state state)
1158 {
1159         return 0;
1160 }
1161
1162 const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
1163         .name = "gmc_v10_0",
1164         .early_init = gmc_v10_0_early_init,
1165         .late_init = gmc_v10_0_late_init,
1166         .sw_init = gmc_v10_0_sw_init,
1167         .sw_fini = gmc_v10_0_sw_fini,
1168         .hw_init = gmc_v10_0_hw_init,
1169         .hw_fini = gmc_v10_0_hw_fini,
1170         .suspend = gmc_v10_0_suspend,
1171         .resume = gmc_v10_0_resume,
1172         .is_idle = gmc_v10_0_is_idle,
1173         .wait_for_idle = gmc_v10_0_wait_for_idle,
1174         .soft_reset = gmc_v10_0_soft_reset,
1175         .set_clockgating_state = gmc_v10_0_set_clockgating_state,
1176         .set_powergating_state = gmc_v10_0_set_powergating_state,
1177         .get_clockgating_state = gmc_v10_0_get_clockgating_state,
1178 };
1179
1180 const struct amdgpu_ip_block_version gmc_v10_0_ip_block =
1181 {
1182         .type = AMD_IP_BLOCK_TYPE_GMC,
1183         .major = 10,
1184         .minor = 0,
1185         .rev = 0,
1186         .funcs = &gmc_v10_0_ip_funcs,
1187 };