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
  26 #include <drm/drm_cache.h>
  27
  28 #include "amdgpu.h"
  29 #include "amdgpu_atomfirmware.h"
  30 #include "gmc_v10_0.h"
  31 #include "umc_v8_7.h"
  32
  33 #include "athub/athub_2_0_0_sh_mask.h"
  34 #include "athub/athub_2_0_0_offset.h"
  35 #include "dcn/dcn_2_0_0_offset.h"
  36 #include "dcn/dcn_2_0_0_sh_mask.h"
  37 #include "oss/osssys_5_0_0_offset.h"
  38 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
  39 #include "navi10_enum.h"
  40
  41 #include "soc15.h"
  42 #include "soc15d.h"
  43 #include "soc15_common.h"
  44
  45 #include "nbio_v2_3.h"
  46
  47 #include "gfxhub_v2_0.h"
  48 #include "gfxhub_v2_1.h"
  49 #include "mmhub_v2_0.h"
  50 #include "mmhub_v2_3.h"
  51 #include "athub_v2_0.h"
  52 #include "athub_v2_1.h"
  53
  54 static int gmc_v10_0_ecc_interrupt_state(struct amdgpu_device *adev,
  55                                          struct amdgpu_irq_src *src,
  56                                          unsigned int type,
  57                                          enum amdgpu_interrupt_state state)
  58 {
  59         return 0;
  60 }
  61
  62 static int
  63 gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
  64                                    struct amdgpu_irq_src *src, unsigned int type,
  65                                    enum amdgpu_interrupt_state state)
  66 {
  67         switch (state) {
  68         case AMDGPU_IRQ_STATE_DISABLE:
  69                 /* MM HUB */
  70                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false);
  71                 /* GFX HUB */
  72                 /* This works because this interrupt is only
  73                  * enabled at init/resume and disabled in
  74                  * fini/suspend, so the overall state doesn't
  75                  * change over the course of suspend/resume.
  76                  */
  77                 if (!adev->in_s0ix)
  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_v10_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 == SOC15_IH_CLIENTID_VMC ?
 104                                AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0);
 105         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub_index];
 106         bool retry_fault = !!(entry->src_data[1] & 0x80);
 107         bool write_fault = !!(entry->src_data[1] & 0x20);
 108         struct amdgpu_task_info *task_info;
 109         uint32_t status = 0;
 110         u64 addr;
 111
 112         addr = (u64)entry->src_data[0] << 12;
 113         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
 114
 115         if (retry_fault) {
 116                 /* Returning 1 here also prevents sending the IV to the KFD */
 117
 118                 /* Process it onyl if it's the first fault for this address */
 119                 if (entry->ih != &adev->irq.ih_soft &&
 120                     amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
 121                                              entry->timestamp))
 122                         return 1;
 123
 124                 /* Delegate it to a different ring if the hardware hasn't
 125                  * already done it.
 126                  */
 127                 if (entry->ih == &adev->irq.ih) {
 128                         amdgpu_irq_delegate(adev, entry, 8);
 129                         return 1;
 130                 }
 131
 132                 /* Try to handle the recoverable page faults by filling page
 133                  * tables
 134                  */
 135                 if (amdgpu_vm_handle_fault(adev, entry->pasid, 0, 0, addr,
 136                                            entry->timestamp, write_fault))
 137                         return 1;
 138         }
 139
 140         if (!amdgpu_sriov_vf(adev)) {
 141                 /*
 142                  * Issue a dummy read to wait for the status register to
 143                  * be updated to avoid reading an incorrect value due to
 144                  * the new fast GRBM interface.
 145                  */
 146                 if ((entry->vmid_src == AMDGPU_GFXHUB(0)) &&
 147                     (amdgpu_ip_version(adev, GC_HWIP, 0) <
 148                      IP_VERSION(10, 3, 0)))
 149                         RREG32(hub->vm_l2_pro_fault_status);
 150
 151                 status = RREG32(hub->vm_l2_pro_fault_status);
 152                 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
 153
 154                 amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status,
 155                                              entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0));
 156         }
 157
 158         if (!printk_ratelimit())
 159                 return 0;
 160
 161         dev_err(adev->dev,
 162                 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n",
 163                 entry->vmid_src ? "mmhub" : "gfxhub",
 164                 entry->src_id, entry->ring_id, entry->vmid, entry->pasid);
 165         task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
 166         if (task_info) {
 167                 dev_err(adev->dev,
 168                         " in process %s pid %d thread %s pid %d\n",
 169                         task_info->process_name, task_info->tgid,
 170                         task_info->task_name, task_info->pid);
 171                 amdgpu_vm_put_task_info(task_info);
 172         }
 173
 174         dev_err(adev->dev, "  in page starting at address 0x%016llx from client 0x%x (%s)\n",
 175                         addr, entry->client_id,
 176                         soc15_ih_clientid_name[entry->client_id]);
 177
 178         if (!amdgpu_sriov_vf(adev))
 179                 hub->vmhub_funcs->print_l2_protection_fault_status(adev,
 180                                                                    status);
 181
 182         return 0;
 183 }
 184
 185 static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
 186         .set = gmc_v10_0_vm_fault_interrupt_state,
 187         .process = gmc_v10_0_process_interrupt,
 188 };
 189
 190 static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = {
 191         .set = gmc_v10_0_ecc_interrupt_state,
 192         .process = amdgpu_umc_process_ecc_irq,
 193 };
 194
 195 static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
 196 {
 197         adev->gmc.vm_fault.num_types = 1;
 198         adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
 199
 200         if (!amdgpu_sriov_vf(adev)) {
 201                 adev->gmc.ecc_irq.num_types = 1;
 202                 adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs;
 203         }
 204 }
 205
 206 /**
 207  * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore
 208  *
 209  * @adev: amdgpu_device pointer
 210  * @vmhub: vmhub type
 211  *
 212  */
 213 static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 214                                        uint32_t vmhub)
 215 {
 216         return ((vmhub == AMDGPU_MMHUB0(0)) &&
 217                 (!amdgpu_sriov_vf(adev)));
 218 }
 219
 220 static bool gmc_v10_0_get_atc_vmid_pasid_mapping_info(
 221                                         struct amdgpu_device *adev,
 222                                         uint8_t vmid, uint16_t *p_pasid)
 223 {
 224         uint32_t value;
 225
 226         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
 227                      + vmid);
 228         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
 229
 230         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
 231 }
 232
 233 /*
 234  * GART
 235  * VMID 0 is the physical GPU addresses as used by the kernel.
 236  * VMIDs 1-15 are used for userspace clients and are handled
 237  * by the amdgpu vm/hsa code.
 238  */
 239
 240 /**
 241  * gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
 242  *
 243  * @adev: amdgpu_device pointer
 244  * @vmid: vm instance to flush
 245  * @vmhub: vmhub type
 246  * @flush_type: the flush type
 247  *
 248  * Flush the TLB for the requested page table.
 249  */
 250 static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 251                                         uint32_t vmhub, uint32_t flush_type)
 252 {
 253         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
 254         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 255         u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 256         /* Use register 17 for GART */
 257         const unsigned int eng = 17;
 258         unsigned char hub_ip = 0;
 259         u32 sem, req, ack;
 260         unsigned int i;
 261         u32 tmp;
 262
 263         sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng;
 264         req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
 265         ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
 266
 267         /* flush hdp cache */
 268         adev->hdp.funcs->flush_hdp(adev, NULL);
 269
 270         /* This is necessary for SRIOV as well as for GFXOFF to function
 271          * properly under bare metal
 272          */
 273         if (adev->gfx.kiq[0].ring.sched.ready && !adev->enable_mes &&
 274             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
 275                 amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req,
 276                                                  1 << vmid, GET_INST(GC, 0));
 277                 return;
 278         }
 279
 280         /* This path is needed before KIQ/MES/GFXOFF are set up */
 281         hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP;
 282
 283         spin_lock(&adev->gmc.invalidate_lock);
 284         /*
 285          * It may lose gpuvm invalidate acknowldege state across power-gating
 286          * off cycle, add semaphore acquire before invalidation and semaphore
 287          * release after invalidation to avoid entering power gated state
 288          * to WA the Issue
 289          */
 290
 291         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 292         if (use_semaphore) {
 293                 for (i = 0; i < adev->usec_timeout; i++) {
 294                         /* a read return value of 1 means semaphore acuqire */
 295                         tmp = RREG32_RLC_NO_KIQ(sem, hub_ip);
 296                         if (tmp & 0x1)
 297                                 break;
 298                         udelay(1);
 299                 }
 300
 301                 if (i >= adev->usec_timeout)
 302                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
 303         }
 304
 305         WREG32_RLC_NO_KIQ(req, inv_req, hub_ip);
 306
 307         /*
 308          * Issue a dummy read to wait for the ACK register to be cleared
 309          * to avoid a false ACK due to the new fast GRBM interface.
 310          */
 311         if ((vmhub == AMDGPU_GFXHUB(0)) &&
 312             (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 3, 0)))
 313                 RREG32_RLC_NO_KIQ(req, hub_ip);
 314
 315         /* Wait for ACK with a delay.*/
 316         for (i = 0; i < adev->usec_timeout; i++) {
 317                 tmp = RREG32_RLC_NO_KIQ(ack, hub_ip);
 318                 tmp &= 1 << vmid;
 319                 if (tmp)
 320                         break;
 321
 322                 udelay(1);
 323         }
 324
 325         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 326         if (use_semaphore)
 327                 WREG32_RLC_NO_KIQ(sem, 0, hub_ip);
 328
 329         spin_unlock(&adev->gmc.invalidate_lock);
 330
 331         if (i >= adev->usec_timeout)
 332                 dev_err(adev->dev, "Timeout waiting for VM flush hub: %d!\n",
 333                         vmhub);
 334 }
 335
 336 /**
 337  * gmc_v10_0_flush_gpu_tlb_pasid - tlb flush via pasid
 338  *
 339  * @adev: amdgpu_device pointer
 340  * @pasid: pasid to be flush
 341  * @flush_type: the flush type
 342  * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
 343  * @inst: is used to select which instance of KIQ to use for the invalidation
 344  *
 345  * Flush the TLB for the requested pasid.
 346  */
 347 static void gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 348                                           uint16_t pasid, uint32_t flush_type,
 349                                           bool all_hub, uint32_t inst)
 350 {
 351         uint16_t queried;
 352         int vmid, i;
 353
 354         for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) {
 355                 bool valid;
 356
 357                 valid = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
 358                                                                   &queried);
 359                 if (!valid || queried != pasid)
 360                         continue;
 361
 362                 if (all_hub) {
 363                         for_each_set_bit(i, adev->vmhubs_mask,
 364                                          AMDGPU_MAX_VMHUBS)
 365                                 gmc_v10_0_flush_gpu_tlb(adev, vmid, i,
 366                                                         flush_type);
 367                 } else {
 368                         gmc_v10_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0),
 369                                                 flush_type);
 370                 }
 371         }
 372 }
 373
 374 static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 375                                              unsigned int vmid, uint64_t pd_addr)
 376 {
 377         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
 378         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
 379         uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
 380         unsigned int 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_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
 423                                          unsigned int 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->vm_hub == AMDGPU_GFXHUB(0))
 433                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
 434         else
 435                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
 436
 437         amdgpu_ring_emit_wreg(ring, reg, pasid);
 438 }
 439
 440 /*
 441  * PTE format on NAVI 10:
 442  * 63:59 reserved
 443  * 58 reserved and for sienna_cichlid is used for MALL noalloc
 444  * 57 reserved
 445  * 56 F
 446  * 55 L
 447  * 54 reserved
 448  * 53:52 SW
 449  * 51 T
 450  * 50:48 mtype
 451  * 47:12 4k physical page base address
 452  * 11:7 fragment
 453  * 6 write
 454  * 5 read
 455  * 4 exe
 456  * 3 Z
 457  * 2 snooped
 458  * 1 system
 459  * 0 valid
 460  *
 461  * PDE format on NAVI 10:
 462  * 63:59 block fragment size
 463  * 58:55 reserved
 464  * 54 P
 465  * 53:48 reserved
 466  * 47:6 physical base address of PD or PTE
 467  * 5:3 reserved
 468  * 2 C
 469  * 1 system
 470  * 0 valid
 471  */
 472
 473 static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
 474 {
 475         switch (flags) {
 476         case AMDGPU_VM_MTYPE_DEFAULT:
 477                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
 478         case AMDGPU_VM_MTYPE_NC:
 479                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
 480         case AMDGPU_VM_MTYPE_WC:
 481                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_WC);
 482         case AMDGPU_VM_MTYPE_CC:
 483                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_CC);
 484         case AMDGPU_VM_MTYPE_UC:
 485                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC);
 486         default:
 487                 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
 488         }
 489 }
 490
 491 static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
 492                                  uint64_t *addr, uint64_t *flags)
 493 {
 494         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
 495                 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
 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_v10_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_EXT_COHERENT |
 539                                AMDGPU_GEM_CREATE_UNCACHED))
 540                 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_UC);
 541 }
 542
 543 static unsigned int gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
 544 {
 545         u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
 546         unsigned int size;
 547
 548         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
 549                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
 550         } else {
 551                 u32 viewport;
 552                 u32 pitch;
 553
 554                 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
 555                 pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
 556                 size = (REG_GET_FIELD(viewport,
 557                                         HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
 558                                 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
 559                                 4);
 560         }
 561
 562         return size;
 563 }
 564
 565 static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
 566         .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
 567         .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
 568         .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
 569         .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
 570         .map_mtype = gmc_v10_0_map_mtype,
 571         .get_vm_pde = gmc_v10_0_get_vm_pde,
 572         .get_vm_pte = gmc_v10_0_get_vm_pte,
 573         .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
 574 };
 575
 576 static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
 577 {
 578         if (adev->gmc.gmc_funcs == NULL)
 579                 adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
 580 }
 581
 582 static void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev)
 583 {
 584         switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) {
 585         case IP_VERSION(8, 7, 0):
 586                 adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM;
 587                 adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM;
 588                 adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
 589                 adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
 590                 adev->umc.retire_unit = 1;
 591                 adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
 592                 adev->umc.ras = &umc_v8_7_ras;
 593                 break;
 594         default:
 595                 break;
 596         }
 597 }
 598
 599 static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev)
 600 {
 601         switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
 602         case IP_VERSION(2, 3, 0):
 603         case IP_VERSION(2, 4, 0):
 604         case IP_VERSION(2, 4, 1):
 605                 adev->mmhub.funcs = &mmhub_v2_3_funcs;
 606                 break;
 607         default:
 608                 adev->mmhub.funcs = &mmhub_v2_0_funcs;
 609                 break;
 610         }
 611 }
 612
 613 static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev)
 614 {
 615         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 616         case IP_VERSION(10, 3, 0):
 617         case IP_VERSION(10, 3, 2):
 618         case IP_VERSION(10, 3, 1):
 619         case IP_VERSION(10, 3, 4):
 620         case IP_VERSION(10, 3, 5):
 621         case IP_VERSION(10, 3, 6):
 622         case IP_VERSION(10, 3, 3):
 623         case IP_VERSION(10, 3, 7):
 624                 adev->gfxhub.funcs = &gfxhub_v2_1_funcs;
 625                 break;
 626         default:
 627                 adev->gfxhub.funcs = &gfxhub_v2_0_funcs;
 628                 break;
 629         }
 630 }
 631
 632
 633 static int gmc_v10_0_early_init(void *handle)
 634 {
 635         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 636
 637         gmc_v10_0_set_mmhub_funcs(adev);
 638         gmc_v10_0_set_gfxhub_funcs(adev);
 639         gmc_v10_0_set_gmc_funcs(adev);
 640         gmc_v10_0_set_irq_funcs(adev);
 641         gmc_v10_0_set_umc_funcs(adev);
 642
 643         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
 644         adev->gmc.shared_aperture_end =
 645                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
 646         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
 647         adev->gmc.private_aperture_end =
 648                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
 649         adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
 650
 651         return 0;
 652 }
 653
 654 static int gmc_v10_0_late_init(void *handle)
 655 {
 656         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 657         int r;
 658
 659         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
 660         if (r)
 661                 return r;
 662
 663         r = amdgpu_gmc_ras_late_init(adev);
 664         if (r)
 665                 return r;
 666
 667         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
 668 }
 669
 670 static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
 671                                         struct amdgpu_gmc *mc)
 672 {
 673         u64 base = 0;
 674
 675         base = adev->gfxhub.funcs->get_fb_location(adev);
 676
 677         /* add the xgmi offset of the physical node */
 678         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
 679
 680         amdgpu_gmc_set_agp_default(adev, mc);
 681         amdgpu_gmc_vram_location(adev, &adev->gmc, base);
 682         amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
 683         if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1))
 684                 amdgpu_gmc_agp_location(adev, mc);
 685
 686         /* base offset of vram pages */
 687         adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
 688
 689         /* add the xgmi offset of the physical node */
 690         adev->vm_manager.vram_base_offset +=
 691                 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
 692 }
 693
 694 /**
 695  * gmc_v10_0_mc_init - initialize the memory controller driver params
 696  *
 697  * @adev: amdgpu_device pointer
 698  *
 699  * Look up the amount of vram, vram width, and decide how to place
 700  * vram and gart within the GPU's physical address space.
 701  * Returns 0 for success.
 702  */
 703 static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
 704 {
 705         int r;
 706
 707         /* size in MB on si */
 708         adev->gmc.mc_vram_size =
 709                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
 710         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 711
 712         if (!(adev->flags & AMD_IS_APU)) {
 713                 r = amdgpu_device_resize_fb_bar(adev);
 714                 if (r)
 715                         return r;
 716         }
 717         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
 718         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 719
 720 #ifdef CONFIG_X86_64
 721         if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
 722                 adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
 723                 adev->gmc.aper_size = adev->gmc.real_vram_size;
 724         }
 725 #endif
 726
 727         adev->gmc.visible_vram_size = adev->gmc.aper_size;
 728
 729         /* set the gart size */
 730         if (amdgpu_gart_size == -1) {
 731                 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 732                 default:
 733                         adev->gmc.gart_size = 512ULL << 20;
 734                         break;
 735                 case IP_VERSION(10, 3, 1):   /* DCE SG support */
 736                 case IP_VERSION(10, 3, 3):   /* DCE SG support */
 737                 case IP_VERSION(10, 3, 6):   /* DCE SG support */
 738                 case IP_VERSION(10, 3, 7):   /* DCE SG support */
 739                         adev->gmc.gart_size = 1024ULL << 20;
 740                         break;
 741                 }
 742         } else {
 743                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
 744         }
 745
 746         gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
 747
 748         return 0;
 749 }
 750
 751 static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
 752 {
 753         int r;
 754
 755         if (adev->gart.bo) {
 756                 WARN(1, "NAVI10 PCIE GART already initialized\n");
 757                 return 0;
 758         }
 759
 760         /* Initialize common gart structure */
 761         r = amdgpu_gart_init(adev);
 762         if (r)
 763                 return r;
 764
 765         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
 766         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC) |
 767                                  AMDGPU_PTE_EXECUTABLE;
 768
 769         return amdgpu_gart_table_vram_alloc(adev);
 770 }
 771
 772 static int gmc_v10_0_sw_init(void *handle)
 773 {
 774         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
 775         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 776
 777         adev->gfxhub.funcs->init(adev);
 778
 779         adev->mmhub.funcs->init(adev);
 780
 781         spin_lock_init(&adev->gmc.invalidate_lock);
 782
 783         if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) {
 784                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
 785                 adev->gmc.vram_width = 64;
 786         } else if (amdgpu_emu_mode == 1) {
 787                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6;
 788                 adev->gmc.vram_width = 1 * 128; /* numchan * chansize */
 789         } else {
 790                 r = amdgpu_atomfirmware_get_vram_info(adev,
 791                                 &vram_width, &vram_type, &vram_vendor);
 792                 adev->gmc.vram_width = vram_width;
 793
 794                 adev->gmc.vram_type = vram_type;
 795                 adev->gmc.vram_vendor = vram_vendor;
 796         }
 797
 798         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 799         case IP_VERSION(10, 3, 0):
 800                 adev->gmc.mall_size = 128 * 1024 * 1024;
 801                 break;
 802         case IP_VERSION(10, 3, 2):
 803                 adev->gmc.mall_size = 96 * 1024 * 1024;
 804                 break;
 805         case IP_VERSION(10, 3, 4):
 806                 adev->gmc.mall_size = 32 * 1024 * 1024;
 807                 break;
 808         case IP_VERSION(10, 3, 5):
 809                 adev->gmc.mall_size = 16 * 1024 * 1024;
 810                 break;
 811         default:
 812                 adev->gmc.mall_size = 0;
 813                 break;
 814         }
 815
 816         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 817         case IP_VERSION(10, 1, 10):
 818         case IP_VERSION(10, 1, 1):
 819         case IP_VERSION(10, 1, 2):
 820         case IP_VERSION(10, 1, 3):
 821         case IP_VERSION(10, 1, 4):
 822         case IP_VERSION(10, 3, 0):
 823         case IP_VERSION(10, 3, 2):
 824         case IP_VERSION(10, 3, 1):
 825         case IP_VERSION(10, 3, 4):
 826         case IP_VERSION(10, 3, 5):
 827         case IP_VERSION(10, 3, 6):
 828         case IP_VERSION(10, 3, 3):
 829         case IP_VERSION(10, 3, 7):
 830                 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
 831                 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
 832                 /*
 833                  * To fulfill 4-level page support,
 834                  * vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
 835                  * block size 512 (9bit)
 836                  */
 837                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
 838                 break;
 839         default:
 840                 break;
 841         }
 842
 843         /* This interrupt is VMC page fault.*/
 844         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
 845                               VMC_1_0__SRCID__VM_FAULT,
 846                               &adev->gmc.vm_fault);
 847
 848         if (r)
 849                 return r;
 850
 851         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
 852                               UTCL2_1_0__SRCID__FAULT,
 853                               &adev->gmc.vm_fault);
 854         if (r)
 855                 return r;
 856
 857         if (!amdgpu_sriov_vf(adev)) {
 858                 /* interrupt sent to DF. */
 859                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
 860                                       &adev->gmc.ecc_irq);
 861                 if (r)
 862                         return r;
 863         }
 864
 865         /*
 866          * Set the internal MC address mask This is the max address of the GPU's
 867          * internal address space.
 868          */
 869         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
 870
 871         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
 872         if (r) {
 873                 dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
 874                 return r;
 875         }
 876
 877         adev->need_swiotlb = drm_need_swiotlb(44);
 878
 879         r = gmc_v10_0_mc_init(adev);
 880         if (r)
 881                 return r;
 882
 883         amdgpu_gmc_get_vbios_allocations(adev);
 884
 885         /* Memory manager */
 886         r = amdgpu_bo_init(adev);
 887         if (r)
 888                 return r;
 889
 890         r = gmc_v10_0_gart_init(adev);
 891         if (r)
 892                 return r;
 893
 894         /*
 895          * number of VMs
 896          * VMID 0 is reserved for System
 897          * amdgpu graphics/compute will use VMIDs 1-7
 898          * amdkfd will use VMIDs 8-15
 899          */
 900         adev->vm_manager.first_kfd_vmid = 8;
 901
 902         amdgpu_vm_manager_init(adev);
 903
 904         r = amdgpu_gmc_ras_sw_init(adev);
 905         if (r)
 906                 return r;
 907
 908         return 0;
 909 }
 910
 911 /**
 912  * gmc_v10_0_gart_fini - vm fini callback
 913  *
 914  * @adev: amdgpu_device pointer
 915  *
 916  * Tears down the driver GART/VM setup (CIK).
 917  */
 918 static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
 919 {
 920         amdgpu_gart_table_vram_free(adev);
 921 }
 922
 923 static int gmc_v10_0_sw_fini(void *handle)
 924 {
 925         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 926
 927         amdgpu_vm_manager_fini(adev);
 928         gmc_v10_0_gart_fini(adev);
 929         amdgpu_gem_force_release(adev);
 930         amdgpu_bo_fini(adev);
 931
 932         return 0;
 933 }
 934
 935 static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
 936 {
 937 }
 938
 939 /**
 940  * gmc_v10_0_gart_enable - gart enable
 941  *
 942  * @adev: amdgpu_device pointer
 943  */
 944 static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
 945 {
 946         int r;
 947         bool value;
 948
 949         if (adev->gart.bo == NULL) {
 950                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
 951                 return -EINVAL;
 952         }
 953
 954         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
 955
 956         if (!adev->in_s0ix) {
 957                 r = adev->gfxhub.funcs->gart_enable(adev);
 958                 if (r)
 959                         return r;
 960         }
 961
 962         r = adev->mmhub.funcs->gart_enable(adev);
 963         if (r)
 964                 return r;
 965
 966         adev->hdp.funcs->init_registers(adev);
 967
 968         /* Flush HDP after it is initialized */
 969         adev->hdp.funcs->flush_hdp(adev, NULL);
 970
 971         value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
 972                 false : true;
 973
 974         if (!adev->in_s0ix)
 975                 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
 976         adev->mmhub.funcs->set_fault_enable_default(adev, value);
 977         gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0);
 978         if (!adev->in_s0ix)
 979                 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB(0), 0);
 980
 981         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 982                  (unsigned int)(adev->gmc.gart_size >> 20),
 983                  (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
 984
 985         return 0;
 986 }
 987
 988 static int gmc_v10_0_hw_init(void *handle)
 989 {
 990         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 991         int r;
 992
 993         adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode;
 994
 995         /* The sequence of these two function calls matters.*/
 996         gmc_v10_0_init_golden_registers(adev);
 997
 998         /*
 999          * harvestable groups in gc_utcl2 need to be programmed before any GFX block
1000          * register setup within GMC, or else system hang when harvesting SA.
1001          */
1002         if (!adev->in_s0ix && adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest)
1003                 adev->gfxhub.funcs->utcl2_harvest(adev);
1004
1005         r = gmc_v10_0_gart_enable(adev);
1006         if (r)
1007                 return r;
1008
1009         if (amdgpu_emu_mode == 1) {
1010                 r = amdgpu_gmc_vram_checking(adev);
1011                 if (r)
1012                         return r;
1013         }
1014
1015         if (adev->umc.funcs && adev->umc.funcs->init_registers)
1016                 adev->umc.funcs->init_registers(adev);
1017
1018         return 0;
1019 }
1020
1021 /**
1022  * gmc_v10_0_gart_disable - gart disable
1023  *
1024  * @adev: amdgpu_device pointer
1025  *
1026  * This disables all VM page table.
1027  */
1028 static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
1029 {
1030         if (!adev->in_s0ix)
1031                 adev->gfxhub.funcs->gart_disable(adev);
1032         adev->mmhub.funcs->gart_disable(adev);
1033 }
1034
1035 static int gmc_v10_0_hw_fini(void *handle)
1036 {
1037         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1038
1039         gmc_v10_0_gart_disable(adev);
1040
1041         if (amdgpu_sriov_vf(adev)) {
1042                 /* full access mode, so don't touch any GMC register */
1043                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1044                 return 0;
1045         }
1046
1047         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1048
1049         if (adev->gmc.ecc_irq.funcs &&
1050                 amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
1051                 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1052
1053         return 0;
1054 }
1055
1056 static int gmc_v10_0_suspend(void *handle)
1057 {
1058         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1059
1060         gmc_v10_0_hw_fini(adev);
1061
1062         return 0;
1063 }
1064
1065 static int gmc_v10_0_resume(void *handle)
1066 {
1067         int r;
1068         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1069
1070         r = gmc_v10_0_hw_init(adev);
1071         if (r)
1072                 return r;
1073
1074         amdgpu_vmid_reset_all(adev);
1075
1076         return 0;
1077 }
1078
1079 static bool gmc_v10_0_is_idle(void *handle)
1080 {
1081         /* MC is always ready in GMC v10.*/
1082         return true;
1083 }
1084
1085 static int gmc_v10_0_wait_for_idle(void *handle)
1086 {
1087         /* There is no need to wait for MC idle in GMC v10.*/
1088         return 0;
1089 }
1090
1091 static int gmc_v10_0_soft_reset(void *handle)
1092 {
1093         return 0;
1094 }
1095
1096 static int gmc_v10_0_set_clockgating_state(void *handle,
1097                                            enum amd_clockgating_state state)
1098 {
1099         int r;
1100         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1101
1102         /*
1103          * The issue mmhub can't disconnect from DF with MMHUB clock gating being disabled
1104          * is a new problem observed at DF 3.0.3, however with the same suspend sequence not
1105          * seen any issue on the DF 3.0.2 series platform.
1106          */
1107         if (adev->in_s0ix &&
1108             amdgpu_ip_version(adev, DF_HWIP, 0) > IP_VERSION(3, 0, 2)) {
1109                 dev_dbg(adev->dev, "keep mmhub clock gating being enabled for s0ix\n");
1110                 return 0;
1111         }
1112
1113         r = adev->mmhub.funcs->set_clockgating(adev, state);
1114         if (r)
1115                 return r;
1116
1117         if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1118                 return athub_v2_1_set_clockgating(adev, state);
1119         else
1120                 return athub_v2_0_set_clockgating(adev, state);
1121 }
1122
1123 static void gmc_v10_0_get_clockgating_state(void *handle, u64 *flags)
1124 {
1125         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1126
1127         if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 3) ||
1128             amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 4))
1129                 return;
1130
1131         adev->mmhub.funcs->get_clockgating(adev, flags);
1132
1133         if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1134                 athub_v2_1_get_clockgating(adev, flags);
1135         else
1136                 athub_v2_0_get_clockgating(adev, flags);
1137 }
1138
1139 static int gmc_v10_0_set_powergating_state(void *handle,
1140                                            enum amd_powergating_state state)
1141 {
1142         return 0;
1143 }
1144
1145 const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
1146         .name = "gmc_v10_0",
1147         .early_init = gmc_v10_0_early_init,
1148         .late_init = gmc_v10_0_late_init,
1149         .sw_init = gmc_v10_0_sw_init,
1150         .sw_fini = gmc_v10_0_sw_fini,
1151         .hw_init = gmc_v10_0_hw_init,
1152         .hw_fini = gmc_v10_0_hw_fini,
1153         .suspend = gmc_v10_0_suspend,
1154         .resume = gmc_v10_0_resume,
1155         .is_idle = gmc_v10_0_is_idle,
1156         .wait_for_idle = gmc_v10_0_wait_for_idle,
1157         .soft_reset = gmc_v10_0_soft_reset,
1158         .set_clockgating_state = gmc_v10_0_set_clockgating_state,
1159         .set_powergating_state = gmc_v10_0_set_powergating_state,
1160         .get_clockgating_state = gmc_v10_0_get_clockgating_state,
1161 };
1162
1163 const struct amdgpu_ip_block_version gmc_v10_0_ip_block = {
1164         .type = AMD_IP_BLOCK_TYPE_GMC,
1165         .major = 10,
1166         .minor = 0,
1167         .rev = 0,
1168         .funcs = &gmc_v10_0_ip_funcs,
1169 };