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_MMHUB_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 = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
 118                 adev->vm_manager.vram_base_offset;
 119         WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 120                      (u32)(value >> 12));
 121         WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 122                      (u32)(value >> 44));
 123
 124         /* Program "protection fault". */
 125         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 126                      (u32)(adev->dummy_page_addr >> 12));
 127         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 128                      (u32)((u64)adev->dummy_page_addr >> 44));
 129
 130         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2);
 131         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
 132                             ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 133         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp);
 134 }
 135
 136 static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
 137 {
 138         uint32_t tmp;
 139
 140         /* Setup TLB control */
 141         tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
 142
 143         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 144         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 145         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 146                             ENABLE_ADVANCED_DRIVER_MODEL, 1);
 147         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 148                             SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 149         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
 150         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 151                             MTYPE, MTYPE_UC);/* XXX for emulation. */
 152         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
 153
 154         WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 155 }
 156
 157 static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 158 {
 159         uint32_t tmp;
 160
 161         if (amdgpu_sriov_vf(adev))
 162                 return;
 163
 164         /* Setup L2 cache */
 165         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
 166         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
 167         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
 168         /* XXX for emulation, Refer to closed source code.*/
 169         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
 170                             0);
 171         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 172         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 173         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 174         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
 175
 176         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2);
 177         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 178         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 179         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
 180
 181         if (adev->gmc.translate_further) {
 182                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
 183                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 184                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 185         } else {
 186                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
 187                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 188                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 189         }
 190         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
 191
 192         tmp = mmVM_L2_CNTL4_DEFAULT;
 193         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 194         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 195         WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL4, tmp);
 196 }
 197
 198 static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
 199 {
 200         uint32_t tmp;
 201
 202         tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
 203         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 204         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
 205         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
 206                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 207         WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
 208 }
 209
 210 static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
 211 {
 212         if (amdgpu_sriov_vf(adev))
 213                 return;
 214
 215         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 216                      0XFFFFFFFF);
 217         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 218                      0x0000000F);
 219
 220         WREG32_SOC15(MMHUB, 0,
 221                      mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
 222         WREG32_SOC15(MMHUB, 0,
 223                      mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
 224
 225         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
 226                      0);
 227         WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
 228                      0);
 229 }
 230
 231 static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
 232 {
 233         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 234         unsigned num_level, block_size;
 235         uint32_t tmp;
 236         int i;
 237
 238         num_level = adev->vm_manager.num_level;
 239         block_size = adev->vm_manager.block_size;
 240         if (adev->gmc.translate_further)
 241                 num_level -= 1;
 242         else
 243                 block_size -= 9;
 244
 245         for (i = 0; i <= 14; i++) {
 246                 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i);
 247                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 248                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 249                                     num_level);
 250                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 251                                     RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 252                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 253                                     DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
 254                                     1);
 255                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 256                                     PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 257                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 258                                     VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 259                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 260                                     READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 261                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 262                                     WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 263                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 264                                     EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 265                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 266                                     PAGE_TABLE_BLOCK_SIZE,
 267                                     block_size);
 268                 /* Send no-retry XNACK on fault to suppress VM fault storm. */
 269                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 270                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 271                                     !adev->gmc.noretry);
 272                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL,
 273                                     i * hub->ctx_distance, tmp);
 274                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 275                                     i * hub->ctx_addr_distance, 0);
 276                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 277                                     i * hub->ctx_addr_distance, 0);
 278                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 279                                     i * hub->ctx_addr_distance,
 280                                     lower_32_bits(adev->vm_manager.max_pfn - 1));
 281                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 282                                     i * hub->ctx_addr_distance,
 283                                     upper_32_bits(adev->vm_manager.max_pfn - 1));
 284         }
 285 }
 286
 287 static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
 288 {
 289         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 290         unsigned i;
 291
 292         for (i = 0; i < 18; ++i) {
 293                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 294                                     i * hub->eng_addr_distance, 0xffffffff);
 295                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 296                                     i * hub->eng_addr_distance, 0x1f);
 297         }
 298 }
 299
 300 static void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
 301                                 bool enable)
 302 {
 303         if (amdgpu_sriov_vf(adev))
 304                 return;
 305
 306         if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) {
 307                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true);
 308
 309         }
 310 }
 311
 312 static int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
 313 {
 314         if (amdgpu_sriov_vf(adev)) {
 315                 /*
 316                  * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
 317                  * VF copy registers so vbios post doesn't program them, for
 318                  * SRIOV driver need to program them
 319                  */
 320                 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE,
 321                              adev->gmc.vram_start >> 24);
 322                 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
 323                              adev->gmc.vram_end >> 24);
 324         }
 325
 326         /* GART Enable. */
 327         mmhub_v1_0_init_gart_aperture_regs(adev);
 328         mmhub_v1_0_init_system_aperture_regs(adev);
 329         mmhub_v1_0_init_tlb_regs(adev);
 330         mmhub_v1_0_init_cache_regs(adev);
 331
 332         mmhub_v1_0_enable_system_domain(adev);
 333         mmhub_v1_0_disable_identity_aperture(adev);
 334         mmhub_v1_0_setup_vmid_config(adev);
 335         mmhub_v1_0_program_invalidation(adev);
 336
 337         return 0;
 338 }
 339
 340 static void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
 341 {
 342         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 343         u32 tmp;
 344         u32 i;
 345
 346         /* Disable all tables */
 347         for (i = 0; i < 16; i++)
 348                 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL,
 349                                     i * hub->ctx_distance, 0);
 350
 351         /* Setup TLB control */
 352         tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
 353         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 354         tmp = REG_SET_FIELD(tmp,
 355                                 MC_VM_MX_L1_TLB_CNTL,
 356                                 ENABLE_ADVANCED_DRIVER_MODEL,
 357                                 0);
 358         WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 359
 360         if (!amdgpu_sriov_vf(adev)) {
 361                 /* Setup L2 cache */
 362                 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
 363                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
 364                 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
 365                 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
 366         }
 367 }
 368
 369 /**
 370  * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
 371  *
 372  * @adev: amdgpu_device pointer
 373  * @value: true redirects VM faults to the default page
 374  */
 375 static void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
 376 {
 377         u32 tmp;
 378
 379         if (amdgpu_sriov_vf(adev))
 380                 return;
 381
 382         tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 383         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 384                         RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 385         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 386                         PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 387         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 388                         PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 389         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 390                         PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 391         tmp = REG_SET_FIELD(tmp,
 392                         VM_L2_PROTECTION_FAULT_CNTL,
 393                         TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 394                         value);
 395         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 396                         NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 397         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 398                         DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 399         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 400                         VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 401         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 402                         READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 403         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 404                         WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 405         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 406                         EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 407         if (!value) {
 408                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 409                                 CRASH_ON_NO_RETRY_FAULT, 1);
 410                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 411                                 CRASH_ON_RETRY_FAULT, 1);
 412     }
 413
 414         WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
 415 }
 416
 417 static void mmhub_v1_0_init(struct amdgpu_device *adev)
 418 {
 419         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
 420
 421         hub->ctx0_ptb_addr_lo32 =
 422                 SOC15_REG_OFFSET(MMHUB, 0,
 423                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 424         hub->ctx0_ptb_addr_hi32 =
 425                 SOC15_REG_OFFSET(MMHUB, 0,
 426                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 427         hub->vm_inv_eng0_sem =
 428                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_SEM);
 429         hub->vm_inv_eng0_req =
 430                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
 431         hub->vm_inv_eng0_ack =
 432                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
 433         hub->vm_context0_cntl =
 434                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
 435         hub->vm_l2_pro_fault_status =
 436                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
 437         hub->vm_l2_pro_fault_cntl =
 438                 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 439
 440         hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
 441         hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 442                 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 443         hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
 444         hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 445                 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 446 }
 447
 448 static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
 449                                                         bool enable)
 450 {
 451         uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
 452
 453         def  = data  = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 454
 455         if (adev->asic_type != CHIP_RAVEN) {
 456                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 457                 def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2);
 458         } else
 459                 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV);
 460
 461         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
 462                 data |= ATC_L2_MISC_CG__ENABLE_MASK;
 463
 464                 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 465                            DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 466                            DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 467                            DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 468                            DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 469                            DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 470
 471                 if (adev->asic_type != CHIP_RAVEN)
 472                         data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 473                                    DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 474                                    DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 475                                    DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 476                                    DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 477                                    DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 478         } else {
 479                 data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
 480
 481                 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 482                           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 483                           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 484                           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 485                           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 486                           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 487
 488                 if (adev->asic_type != CHIP_RAVEN)
 489                         data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 490                                   DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 491                                   DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 492                                   DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 493                                   DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 494                                   DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
 495         }
 496
 497         if (def != data)
 498                 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
 499
 500         if (def1 != data1) {
 501                 if (adev->asic_type != CHIP_RAVEN)
 502                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
 503                 else
 504                         WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1);
 505         }
 506
 507         if (adev->asic_type != CHIP_RAVEN && def2 != data2)
 508                 WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2);
 509 }
 510
 511 static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
 512                                                        bool enable)
 513 {
 514         uint32_t def, data;
 515
 516         def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 517
 518         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
 519                 data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 520         else
 521                 data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
 522
 523         if (def != data)
 524                 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
 525 }
 526
 527 static int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
 528                                enum amd_clockgating_state state)
 529 {
 530         if (amdgpu_sriov_vf(adev))
 531                 return 0;
 532
 533         switch (adev->asic_type) {
 534         case CHIP_VEGA10:
 535         case CHIP_VEGA12:
 536         case CHIP_VEGA20:
 537         case CHIP_RAVEN:
 538         case CHIP_RENOIR:
 539                 mmhub_v1_0_update_medium_grain_clock_gating(adev,
 540                                 state == AMD_CG_STATE_GATE);
 541                 mmhub_v1_0_update_medium_grain_light_sleep(adev,
 542                                 state == AMD_CG_STATE_GATE);
 543                 break;
 544         default:
 545                 break;
 546         }
 547
 548         return 0;
 549 }
 550
 551 static void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
 552 {
 553         int data, data1;
 554
 555         if (amdgpu_sriov_vf(adev))
 556                 *flags = 0;
 557
 558         data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
 559
 560         data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
 561
 562         /* AMD_CG_SUPPORT_MC_MGCG */
 563         if ((data & ATC_L2_MISC_CG__ENABLE_MASK) &&
 564             !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
 565                        DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
 566                        DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
 567                        DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
 568                        DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
 569                        DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
 570                 *flags |= AMD_CG_SUPPORT_MC_MGCG;
 571
 572         /* AMD_CG_SUPPORT_MC_LS */
 573         if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
 574                 *flags |= AMD_CG_SUPPORT_MC_LS;
 575 }
 576
 577 static const struct soc15_ras_field_entry mmhub_v1_0_ras_fields[] = {
 578         { "MMEA0_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 579         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
 580         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
 581         },
 582         { "MMEA0_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 583         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
 584         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
 585         },
 586         { "MMEA0_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 587         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
 588         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
 589         },
 590         { "MMEA0_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 591         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
 592         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
 593         },
 594         { "MMEA0_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 595         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
 596         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
 597         },
 598         { "MMEA0_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 599         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
 600         0, 0,
 601         },
 602         { "MMEA0_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 603         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
 604         0, 0,
 605         },
 606         { "MMEA0_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 607         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
 608         0, 0,
 609         },
 610         { "MMEA0_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 611         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
 612         0, 0,
 613         },
 614         { "MMEA0_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
 615         SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
 616         0, 0,
 617         },
 618         { "MMEA0_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 619         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
 620         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
 621         },
 622         { "MMEA0_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 623         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
 624         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
 625         },
 626         { "MMEA0_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 627         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
 628         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
 629         },
 630         { "MMEA0_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 631         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
 632         0, 0,
 633         },
 634         { "MMEA0_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
 635         SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
 636         0, 0,
 637         },
 638         { "MMEA1_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 639         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
 640         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
 641         },
 642         { "MMEA1_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 643         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
 644         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
 645         },
 646         { "MMEA1_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 647         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
 648         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
 649         },
 650         { "MMEA1_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 651         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
 652         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
 653         },
 654         { "MMEA1_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 655         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
 656         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
 657         },
 658         { "MMEA1_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 659         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
 660         0, 0,
 661         },
 662         { "MMEA1_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 663         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
 664         0, 0,
 665         },
 666         { "MMEA1_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 667         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
 668         0, 0,
 669         },
 670         { "MMEA1_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 671         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
 672         0, 0,
 673         },
 674         { "MMEA1_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
 675         SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
 676         0, 0,
 677         },
 678         { "MMEA1_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 679         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
 680         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
 681         },
 682         { "MMEA1_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 683         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
 684         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
 685         },
 686         { "MMEA1_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 687         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
 688         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
 689         },
 690         { "MMEA1_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 691         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
 692         0, 0,
 693         },
 694         { "MMEA1_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
 695         SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
 696         0, 0,
 697         }
 698 };
 699
 700 static const struct soc15_reg_entry mmhub_v1_0_edc_cnt_regs[] = {
 701    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20), 0, 0, 0},
 702    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20), 0, 0, 0},
 703    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20), 0, 0, 0},
 704    { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20), 0, 0, 0},
 705 };
 706
 707 static int mmhub_v1_0_get_ras_error_count(struct amdgpu_device *adev,
 708         const struct soc15_reg_entry *reg,
 709         uint32_t value, uint32_t *sec_count, uint32_t *ded_count)
 710 {
 711         uint32_t i;
 712         uint32_t sec_cnt, ded_cnt;
 713
 714         for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_ras_fields); i++) {
 715                 if(mmhub_v1_0_ras_fields[i].reg_offset != reg->reg_offset)
 716                         continue;
 717
 718                 sec_cnt = (value &
 719                                 mmhub_v1_0_ras_fields[i].sec_count_mask) >>
 720                                 mmhub_v1_0_ras_fields[i].sec_count_shift;
 721                 if (sec_cnt) {
 722                         dev_info(adev->dev,
 723                                 "MMHUB SubBlock %s, SEC %d\n",
 724                                 mmhub_v1_0_ras_fields[i].name,
 725                                 sec_cnt);
 726                         *sec_count += sec_cnt;
 727                 }
 728
 729                 ded_cnt = (value &
 730                                 mmhub_v1_0_ras_fields[i].ded_count_mask) >>
 731                                 mmhub_v1_0_ras_fields[i].ded_count_shift;
 732                 if (ded_cnt) {
 733                         dev_info(adev->dev,
 734                                 "MMHUB SubBlock %s, DED %d\n",
 735                                 mmhub_v1_0_ras_fields[i].name,
 736                                 ded_cnt);
 737                         *ded_count += ded_cnt;
 738                 }
 739         }
 740
 741         return 0;
 742 }
 743
 744 static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
 745                                            void *ras_error_status)
 746 {
 747         struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
 748         uint32_t sec_count = 0, ded_count = 0;
 749         uint32_t i;
 750         uint32_t reg_value;
 751
 752         err_data->ue_count = 0;
 753         err_data->ce_count = 0;
 754
 755         for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++) {
 756                 reg_value =
 757                         RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
 758                 if (reg_value)
 759                         mmhub_v1_0_get_ras_error_count(adev,
 760                                 &mmhub_v1_0_edc_cnt_regs[i],
 761                                 reg_value, &sec_count, &ded_count);
 762         }
 763
 764         err_data->ce_count += sec_count;
 765         err_data->ue_count += ded_count;
 766 }
 767
 768 static void mmhub_v1_0_reset_ras_error_count(struct amdgpu_device *adev)
 769 {
 770         uint32_t i;
 771
 772         /* read back edc counter registers to reset the counters to 0 */
 773         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) {
 774                 for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++)
 775                         RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
 776         }
 777 }
 778
 779 const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
 780         .ras_late_init = amdgpu_mmhub_ras_late_init,
 781         .query_ras_error_count = mmhub_v1_0_query_ras_error_count,
 782         .reset_ras_error_count = mmhub_v1_0_reset_ras_error_count,
 783         .get_fb_location = mmhub_v1_0_get_fb_location,
 784         .init = mmhub_v1_0_init,
 785         .gart_enable = mmhub_v1_0_gart_enable,
 786         .set_fault_enable_default = mmhub_v1_0_set_fault_enable_default,
 787         .gart_disable = mmhub_v1_0_gart_disable,
 788         .set_clockgating = mmhub_v1_0_set_clockgating,
 789         .get_clockgating = mmhub_v1_0_get_clockgating,
 790         .setup_vm_pt_regs = mmhub_v1_0_setup_vm_pt_regs,
 791         .update_power_gating = mmhub_v1_0_update_power_gating,
 792 };