drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

   1 /*
   2  * Copyright 2016 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 "amdgpu.h"
  24 #include "amdgpu_ras.h"
  25 #include "mmhub_v1_0.h"
  26
  27 #include "mmhub/mmhub_1_0_offset.h"
  28 #include "mmhub/mmhub_1_0_sh_mask.h"
  29 #include "mmhub/mmhub_1_0_default.h"
  30 #include "vega10_enum.h"
  31 #include "soc15.h"
  32 #include "soc15_common.h"
  33
  34 #define mmDAGB0_CNTL_MISC2_RV 0x008f
  35 #define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
  36
  37 static u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
  38 {
  39         u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE);
  40         u64 top = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP);
  41
  42         base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
  43         base <<= 24;
  44
  45         top &= MC_VM_FB_LOCATION_TOP__FB_TOP_MASK;
  46         top <<= 24;
  47
  48         adev->gmc.fb_start = base;
  49         adev->gmc.fb_end = top;
  50
  51         return base;
  52 }
  53
  54 static void mmhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
  55                                 uint64_t page_table_base)
  56 {
  57         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
  58
  59         WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
  60                             hub->ctx_addr_distance * vmid,
  61                             lower_32_bits(page_table_base));
  62
  63         WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
  64                             hub->ctx_addr_distance * vmid,
  65                             upper_32_bits(page_table_base));
  66 }
  67
  68 static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
  69 {
  70         uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
  71
  72         mmhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
  73
  74         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
  75                      (u32)(adev->gmc.gart_start >> 12));
  76         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
  77                      (u32)(adev->gmc.gart_start >> 44));
  78
  79         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
  80                      (u32)(adev->gmc.gart_end >> 12));
  81         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
  82                      (u32)(adev->gmc.gart_end >> 44));
  83 }
  84
  85 static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
  86 {
  87         uint64_t value;
  88         uint32_t tmp;
  89
  90         /* Program the AGP BAR */
  91         WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0);
  92         WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
  93         WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
  94
  95         /* Program the system aperture low logical page number. */
  96         WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
  97                      min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
  98
  99         if (adev->apu_flags & AMD_APU_IS_RAVEN2)
 100                 /*
 101                  * Raven2 has a HW issue that it is unable to use the vram which
 102                  * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
 103                  * workaround that increase system aperture high address (add 1)
 104                  * to get rid of the VM fault and hardware hang.
 105                  */
 106                 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 107                              max((adev->gmc.fb_end >> 18) + 0x1,
 108                                  adev->gmc.agp_end >> 18));
 109         else
 110                 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 111                              max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 112
 113         if (amdgpu_sriov_vf(adev))
 114                 return;
 115
 116         /* Set default page address. */
 117         value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
 118         WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 119                      (u32)(value >> 12));
 120         WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 121                      (u32)(value >> 44));
 122
 123         /* Program "protection fault". */
 124         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 125                      (u32)(adev->dummy_page_addr >> 12));
 126         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 127                      (u32)((u64)adev->dummy_page_addr >> 44));
 128
 129         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2);
 130         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
 131                             ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 132         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp);
 133 }
 134
 135 static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
 136 {
 137         uint32_t tmp;
 138
 139         /* Setup TLB control */
 140         tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
 141
 142         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 143         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 144         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 145                             ENABLE_ADVANCED_DRIVER_MODEL, 1);
 146         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 147                             SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 148         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 149                             MTYPE, MTYPE_UC);/* XXX for emulation. */
 150         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
 151
 152         WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 153 }
 154
 155 static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 156 {
 157         uint32_t tmp;
 158
 159         if (amdgpu_sriov_vf(adev))
 160                 return;
 161
 162         /* Setup L2 cache */
 163         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
 164         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
 165         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
 166         /* XXX for emulation, Refer to closed source code.*/
 167         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
 168                             0);
 169         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 170         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 171         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 172         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
 173
 174         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2);
 175         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 176         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 177         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
 178
 179         tmp = mmVM_L2_CNTL3_DEFAULT;
 180         if (adev->gmc.translate_further) {
 181                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
 182                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 183                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 184         } else {
 185                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
 186                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 187                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 188         }
 189         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
 190
 191         tmp = mmVM_L2_CNTL4_DEFAULT;
 192         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 193         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 194         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL4, tmp);
 195 }
 196
 197 static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
 198 {
 199         uint32_t tmp;
 200
 201         tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
 202         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 203         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
 204         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
 205                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 206         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
 207 }
 208
 209 static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
 210 {
 211         if (amdgpu_sriov_vf(adev))
 212                 return;
 213
 214         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 215                      0XFFFFFFFF);
 216         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 217                      0x0000000F);
 218
 219         WREG32_SOC15(MMHUB, 0,
 220                      mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
 221         WREG32_SOC15(MMHUB, 0,
 222                      mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
 223
 224         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
 225                      0);
 226         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
 227                      0);
 228 }
 229
 230 static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
 231 {
 232         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 233         unsigned num_level, block_size;
 234         uint32_t tmp;
 235         int i;
 236
 237         num_level = adev->vm_manager.num_level;
 238         block_size = adev->vm_manager.block_size;
 239         if (adev->gmc.translate_further)
 240                 num_level -= 1;
 241         else
 242                 block_size -= 9;
 243
 244         for (i = 0; i <= 14; i++) {
 245                 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i);
 246                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 247                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 248                                     num_level);
 249                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 250                                     RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 251                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 252                                     DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
 253                                     1);
 254                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 255                                     PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 256                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 257                                     VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 258                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 259                                     READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 260                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 261                                     WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 262                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 263                                     EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 264                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 265                                     PAGE_TABLE_BLOCK_SIZE,
 266                                     block_size);
 267                 /* Send no-retry XNACK on fault to suppress VM fault storm. */
 268                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 269                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 270                                     !adev->gmc.noretry);
 271                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL,
 272                                     i * hub->ctx_distance, tmp);
 273                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 274                                     i * hub->ctx_addr_distance, 0);
 275                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 276                                     i * hub->ctx_addr_distance, 0);
 277                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 278                                     i * hub->ctx_addr_distance,
 279                                     lower_32_bits(adev->vm_manager.max_pfn - 1));
 280                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 281                                     i * hub->ctx_addr_distance,
 282                                     upper_32_bits(adev->vm_manager.max_pfn - 1));
 283         }
 284 }
 285
 286 static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
 287 {
 288         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 289         unsigned i;
 290
 291         for (i = 0; i < 18; ++i) {
 292                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 293                                     i * hub->eng_addr_distance, 0xffffffff);
 294                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 295                                     i * hub->eng_addr_distance, 0x1f);
 296         }
 297 }
 298
 299 static void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
 300                                 bool enable)
 301 {
 302         if (amdgpu_sriov_vf(adev))
 303                 return;
 304
 305         if (adev->pg_flags & AMD_PG_SUPPORT_MMHUB)
 306                 amdgpu_dpm_set_powergating_by_smu(adev,
 307                                                   AMD_IP_BLOCK_TYPE_GMC,
 308                                                   enable);
 309 }
 310
 311 static int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
 312 {
 313         if (amdgpu_sriov_vf(adev)) {
 314                 /*
 315                  * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
 316                  * VF copy registers so vbios post doesn't program them, for
 317                  * SRIOV driver need to program them
 318                  */
 319                 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE,
 320                              adev->gmc.vram_start >> 24);
 321                 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
 322                              adev->gmc.vram_end >> 24);
 323         }
 324
 325         /* GART Enable. */
 326         mmhub_v1_0_init_gart_aperture_regs(adev);
 327         mmhub_v1_0_init_system_aperture_regs(adev);
 328         mmhub_v1_0_init_tlb_regs(adev);
 329         mmhub_v1_0_init_cache_regs(adev);
 330
 331         mmhub_v1_0_enable_system_domain(adev);
 332         mmhub_v1_0_disable_identity_aperture(adev);
 333         mmhub_v1_0_setup_vmid_config(adev);
 334         mmhub_v1_0_program_invalidation(adev);
 335
 336         return 0;
 337 }
 338
 339 static void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
 340 {
 341         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 342         u32 tmp;
 343         u32 i;
 344
 345         /* Disable all tables */
 346         for (i = 0; i < AMDGPU_NUM_VMID; i++)
 347                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL,
 348                                     i * hub->ctx_distance, 0);
 349
 350         /* Setup TLB control */
 351         tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
 352         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 353         tmp = REG_SET_FIELD(tmp,
 354                                 MC_VM_MX_L1_TLB_CNTL,
 355                                 ENABLE_ADVANCED_DRIVER_MODEL,
 356                                 0);
 357         WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 358
 359         if (!amdgpu_sriov_vf(adev)) {
 360                 /* Setup L2 cache */
 361                 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
 362                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
 363                 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
 364                 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
 365         }
 366 }
 367
 368 /**
 369  * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
 370  *
 371  * @adev: amdgpu_device pointer
 372  * @value: true redirects VM faults to the default page
 373  */
 374 static void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
 375 {
 376         u32 tmp;
 377
 378         if (amdgpu_sriov_vf(adev))
 379                 return;
 380
 381         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 382         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 383                         RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 384         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 385                         PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 386         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 387                         PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 388         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 389                         PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 390         tmp = REG_SET_FIELD(tmp,
 391                         VM_L2_PROTECTION_FAULT_CNTL,
 392                         TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 393                         value);
 394         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 395                         NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 396         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 397                         DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 398         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 399                         VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 400         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 401                         READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 402         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 403                         WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 404         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 405                         EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 406         if (!value) {
 407                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 408                                 CRASH_ON_NO_RETRY_FAULT, 1);
 409                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 410                                 CRASH_ON_RETRY_FAULT, 1);
 411         }
 412
 413         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
 414 }
 415
 416 static void mmhub_v1_0_init(struct amdgpu_device *adev)
 417 {
 418         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 419
 420         hub->ctx0_ptb_addr_lo32 =
 421                 SOC15_REG_OFFSET(MMHUB, 0,
 422                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 423         hub->ctx0_ptb_addr_hi32 =
 424                 SOC15_REG_OFFSET(MMHUB, 0,
 425                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 426         hub->vm_inv_eng0_sem =
 427                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_SEM);
 428         hub->vm_inv_eng0_req =
 429                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
 430         hub->vm_inv_eng0_ack =
 431                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
 432         hub->vm_context0_cntl =
 433                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
 434         hub->vm_l2_pro_fault_status =
 435                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
 436         hub->vm_l2_pro_fault_cntl =
 437                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 438
 439         hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
 440         hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 441                 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 442         hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
 443         hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 444                 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 445 }
 446
 447 static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
 448                                                         bool enable)
 449 {
 450         uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
 451
 452         def  = data  = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 453
 454         if (adev->asic_type != CHIP_RAVEN) {
 455                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 456                 def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2);
 457         } else
 458                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV);
 459
 460         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
 461                 data |= ATC_L2_MISC_CG__ENABLE_MASK;
 462
 463                 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 464                            DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 465                            DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 466                            DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 467                            DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 468                            DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 469
 470                 if (adev->asic_type != CHIP_RAVEN)
 471                         data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 472                                    DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 473                                    DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 474                                    DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 475                                    DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 476                                    DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 477         } else {
 478                 data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
 479
 480                 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 481                           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 482                           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 483                           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 484                           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 485                           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 486
 487                 if (adev->asic_type != CHIP_RAVEN)
 488                         data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 489                                   DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 490                                   DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 491                                   DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 492                                   DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 493                                   DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 494         }
 495
 496         if (def != data)
 497                 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
 498
 499         if (def1 != data1) {
 500                 if (adev->asic_type != CHIP_RAVEN)
 501                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
 502                 else
 503                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1);
 504         }
 505
 506         if (adev->asic_type != CHIP_RAVEN && def2 != data2)
 507                 WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2);
 508 }
 509
 510 static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 511                                                        bool enable)
 512 {
 513         uint32_t def, data;
 514
 515         def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 516
 517         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
 518                 data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 519         else
 520                 data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 521
 522         if (def != data)
 523                 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
 524 }
 525
 526 static int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
 527                                enum amd_clockgating_state state)
 528 {
 529         if (amdgpu_sriov_vf(adev))
 530                 return 0;
 531
 532         switch (adev->asic_type) {
 533         case CHIP_VEGA10:
 534         case CHIP_VEGA12:
 535         case CHIP_VEGA20:
 536         case CHIP_RAVEN:
 537         case CHIP_RENOIR:
 538                 mmhub_v1_0_update_medium_grain_clock_gating(adev,
 539                                 state == AMD_CG_STATE_GATE);
 540                 mmhub_v1_0_update_medium_grain_light_sleep(adev,
 541                                 state == AMD_CG_STATE_GATE);
 542                 break;
 543         default:
 544                 break;
 545         }
 546
 547         return 0;
 548 }
 549
 550 static void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
 551 {
 552         int data, data1;
 553
 554         if (amdgpu_sriov_vf(adev))
 555                 *flags = 0;
 556
 557         data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 558
 559         data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 560
 561         /* AMD_CG_SUPPORT_MC_MGCG */
 562         if ((data & ATC_L2_MISC_CG__ENABLE_MASK) &&
 563             !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 564                        DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 565                        DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 566                        DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 567                        DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 568                        DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
 569                 *flags |= AMD_CG_SUPPORT_MC_MGCG;
 570
 571         /* AMD_CG_SUPPORT_MC_LS */
 572         if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
 573                 *flags |= AMD_CG_SUPPORT_MC_LS;
 574 }
 575
 576 static const struct soc15_ras_field_entry mmhub_v1_0_ras_fields[] = {
 577         { "MMEA0_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 578         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
 579         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
 580         },
 581         { "MMEA0_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 582         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
 583         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
 584         },
 585         { "MMEA0_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 586         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
 587         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
 588         },
 589         { "MMEA0_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 590         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
 591         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
 592         },
 593         { "MMEA0_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 594         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
 595         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
 596         },
 597         { "MMEA0_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 598         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
 599         0, 0,
 600         },
 601         { "MMEA0_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 602         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
 603         0, 0,
 604         },
 605         { "MMEA0_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 606         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
 607         0, 0,
 608         },
 609         { "MMEA0_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 610         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
 611         0, 0,
 612         },
 613         { "MMEA0_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 614         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
 615         0, 0,
 616         },
 617         { "MMEA0_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 618         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
 619         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
 620         },
 621         { "MMEA0_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 622         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
 623         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
 624         },
 625         { "MMEA0_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 626         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
 627         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
 628         },
 629         { "MMEA0_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 630         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
 631         0, 0,
 632         },
 633         { "MMEA0_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 634         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
 635         0, 0,
 636         },
 637         { "MMEA1_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 638         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
 639         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
 640         },
 641         { "MMEA1_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 642         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
 643         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
 644         },
 645         { "MMEA1_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 646         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
 647         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
 648         },
 649         { "MMEA1_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 650         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
 651         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
 652         },
 653         { "MMEA1_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 654         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
 655         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
 656         },
 657         { "MMEA1_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 658         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
 659         0, 0,
 660         },
 661         { "MMEA1_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 662         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
 663         0, 0,
 664         },
 665         { "MMEA1_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 666         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
 667         0, 0,
 668         },
 669         { "MMEA1_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 670         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
 671         0, 0,
 672         },
 673         { "MMEA1_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 674         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
 675         0, 0,
 676         },
 677         { "MMEA1_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 678         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
 679         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
 680         },
 681         { "MMEA1_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 682         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
 683         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
 684         },
 685         { "MMEA1_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 686         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
 687         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
 688         },
 689         { "MMEA1_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 690         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
 691         0, 0,
 692         },
 693         { "MMEA1_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 694         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
 695         0, 0,
 696         }
 697 };
 698
 699 static const struct soc15_reg_entry mmhub_v1_0_edc_cnt_regs[] = {
 700    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20), 0, 0, 0},
 701    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20), 0, 0, 0},
 702    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20), 0, 0, 0},
 703    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20), 0, 0, 0},
 704 };
 705
 706 static int mmhub_v1_0_get_ras_error_count(struct amdgpu_device *adev,
 707         const struct soc15_reg_entry *reg,
 708         uint32_t value, uint32_t *sec_count, uint32_t *ded_count)
 709 {
 710         uint32_t i;
 711         uint32_t sec_cnt, ded_cnt;
 712
 713         for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_ras_fields); i++) {
 714                 if (mmhub_v1_0_ras_fields[i].reg_offset != reg->reg_offset)
 715                         continue;
 716
 717                 sec_cnt = (value &
 718                                 mmhub_v1_0_ras_fields[i].sec_count_mask) >>
 719                                 mmhub_v1_0_ras_fields[i].sec_count_shift;
 720                 if (sec_cnt) {
 721                         dev_info(adev->dev,
 722                                 "MMHUB SubBlock %s, SEC %d\n",
 723                                 mmhub_v1_0_ras_fields[i].name,
 724                                 sec_cnt);
 725                         *sec_count += sec_cnt;
 726                 }
 727
 728                 ded_cnt = (value &
 729                                 mmhub_v1_0_ras_fields[i].ded_count_mask) >>
 730                                 mmhub_v1_0_ras_fields[i].ded_count_shift;
 731                 if (ded_cnt) {
 732                         dev_info(adev->dev,
 733                                 "MMHUB SubBlock %s, DED %d\n",
 734                                 mmhub_v1_0_ras_fields[i].name,
 735                                 ded_cnt);
 736                         *ded_count += ded_cnt;
 737                 }
 738         }
 739
 740         return 0;
 741 }
 742
 743 static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
 744                                            void *ras_error_status)
 745 {
 746         struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
 747         uint32_t sec_count = 0, ded_count = 0;
 748         uint32_t i;
 749         uint32_t reg_value;
 750
 751         err_data->ue_count = 0;
 752         err_data->ce_count = 0;
 753
 754         for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++) {
 755                 reg_value =
 756                         RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
 757                 if (reg_value)
 758                         mmhub_v1_0_get_ras_error_count(adev,
 759                                 &mmhub_v1_0_edc_cnt_regs[i],
 760                                 reg_value, &sec_count, &ded_count);
 761         }
 762
 763         err_data->ce_count += sec_count;
 764         err_data->ue_count += ded_count;
 765 }
 766
 767 static void mmhub_v1_0_reset_ras_error_count(struct amdgpu_device *adev)
 768 {
 769         uint32_t i;
 770
 771         /* read back edc counter registers to reset the counters to 0 */
 772         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) {
 773                 for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++)
 774                         RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
 775         }
 776 }
 777
 778 struct amdgpu_ras_block_hw_ops mmhub_v1_0_ras_hw_ops = {
 779         .query_ras_error_count = mmhub_v1_0_query_ras_error_count,
 780         .reset_ras_error_count = mmhub_v1_0_reset_ras_error_count,
 781 };
 782
 783 struct amdgpu_mmhub_ras mmhub_v1_0_ras = {
 784         .ras_block = {
 785                 .hw_ops = &mmhub_v1_0_ras_hw_ops,
 786         },
 787 };
 788
 789 const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
 790         .get_fb_location = mmhub_v1_0_get_fb_location,
 791         .init = mmhub_v1_0_init,
 792         .gart_enable = mmhub_v1_0_gart_enable,
 793         .set_fault_enable_default = mmhub_v1_0_set_fault_enable_default,
 794         .gart_disable = mmhub_v1_0_gart_disable,
 795         .set_clockgating = mmhub_v1_0_set_clockgating,
 796         .get_clockgating = mmhub_v1_0_get_clockgating,
 797         .setup_vm_pt_regs = mmhub_v1_0_setup_vm_pt_regs,
 798         .update_power_gating = mmhub_v1_0_update_power_gating,
 799 };