drivers/gpu/drm/amd/amdgpu/gfxhub_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 "gfxhub_v1_0.h"
  25 #include "gfxhub_v1_1.h"
  26
  27 #include "gc/gc_9_0_offset.h"
  28 #include "gc/gc_9_0_sh_mask.h"
  29 #include "gc/gc_9_0_default.h"
  30 #include "vega10_enum.h"
  31
  32 #include "soc15_common.h"
  33
  34 static u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
  35 {
  36         return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
  37 }
  38
  39 static void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev,
  40                                          uint32_t vmid,
  41                                          uint64_t page_table_base)
  42 {
  43         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
  44
  45         WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
  46                             hub->ctx_addr_distance * vmid,
  47                             lower_32_bits(page_table_base));
  48
  49         WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
  50                             hub->ctx_addr_distance * vmid,
  51                             upper_32_bits(page_table_base));
  52 }
  53
  54 static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
  55 {
  56         uint64_t pt_base;
  57
  58         if (adev->gmc.pdb0_bo)
  59                 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
  60         else
  61                 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
  62
  63         gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
  64
  65         /* If use GART for FB translation, vmid0 page table covers both
  66          * vram and system memory (gart)
  67          */
  68         if (adev->gmc.pdb0_bo) {
  69                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
  70                                 (u32)(adev->gmc.fb_start >> 12));
  71                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
  72                                 (u32)(adev->gmc.fb_start >> 44));
  73
  74                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
  75                                 (u32)(adev->gmc.gart_end >> 12));
  76                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
  77                                 (u32)(adev->gmc.gart_end >> 44));
  78         } else {
  79                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
  80                                 (u32)(adev->gmc.gart_start >> 12));
  81                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
  82                                 (u32)(adev->gmc.gart_start >> 44));
  83
  84                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
  85                                 (u32)(adev->gmc.gart_end >> 12));
  86                 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
  87                                 (u32)(adev->gmc.gart_end >> 44));
  88         }
  89 }
  90
  91 static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
  92 {
  93         uint64_t value;
  94
  95         /* Program the AGP BAR */
  96         WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0);
  97         WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
  98         WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
  99
 100         if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
 101                 /* Program the system aperture low logical page number. */
 102                 WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 103                         min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 104
 105                 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
 106                        /*
 107                         * Raven2 has a HW issue that it is unable to use the
 108                         * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
 109                         * So here is the workaround that increase system
 110                         * aperture high address (add 1) to get rid of the VM
 111                         * fault and hardware hang.
 112                         */
 113                         WREG32_SOC15_RLC(GC, 0,
 114                                          mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 115                                          max((adev->gmc.fb_end >> 18) + 0x1,
 116                                              adev->gmc.agp_end >> 18));
 117                 else
 118                         WREG32_SOC15_RLC(
 119                                 GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 120                                 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 121
 122                 /* Set default page address. */
 123                 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
 124                 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 125                              (u32)(value >> 12));
 126                 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 127                              (u32)(value >> 44));
 128
 129                 /* Program "protection fault". */
 130                 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 131                              (u32)(adev->dummy_page_addr >> 12));
 132                 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 133                              (u32)((u64)adev->dummy_page_addr >> 44));
 134
 135                 WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
 136                                ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 137         }
 138
 139         /* In the case squeezing vram into GART aperture, we don't use
 140          * FB aperture and AGP aperture. Disable them.
 141          */
 142         if (adev->gmc.pdb0_bo) {
 143                 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
 144                 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
 145                 WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
 146                 WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
 147                 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
 148                 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
 149         }
 150 }
 151
 152 static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
 153 {
 154         uint32_t tmp;
 155
 156         /* Setup TLB control */
 157         tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
 158
 159         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 160         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 161         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 162                             ENABLE_ADVANCED_DRIVER_MODEL, 1);
 163         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 164                             SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 165         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 166                             MTYPE, MTYPE_UC);/* XXX for emulation. */
 167         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
 168
 169         WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 170 }
 171
 172 static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 173 {
 174         uint32_t tmp;
 175
 176         /* Setup L2 cache */
 177         tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
 178         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
 179         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
 180         /* XXX for emulation, Refer to closed source code.*/
 181         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
 182                             0);
 183         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 184         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 185         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 186         WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp);
 187
 188         tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2);
 189         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 190         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 191         WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp);
 192
 193         tmp = mmVM_L2_CNTL3_DEFAULT;
 194         if (adev->gmc.translate_further) {
 195                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
 196                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 197                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 198         } else {
 199                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
 200                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 201                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 202         }
 203         WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
 204
 205         tmp = mmVM_L2_CNTL4_DEFAULT;
 206         if (adev->gmc.xgmi.connected_to_cpu) {
 207                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
 208                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
 209         } else {
 210                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 211                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 212         }
 213         WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
 214 }
 215
 216 static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
 217 {
 218         uint32_t tmp;
 219
 220         tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
 221         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 222         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
 223                         adev->gmc.vmid0_page_table_depth);
 224         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
 225                         adev->gmc.vmid0_page_table_block_size);
 226         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
 227                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 228         WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
 229 }
 230
 231 static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
 232 {
 233         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 234                      0XFFFFFFFF);
 235         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 236                      0x0000000F);
 237
 238         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
 239                      0);
 240         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
 241                      0);
 242
 243         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
 244         WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
 245
 246 }
 247
 248 static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
 249 {
 250         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 251         unsigned int num_level, block_size;
 252         uint32_t tmp;
 253         int i;
 254
 255         num_level = adev->vm_manager.num_level;
 256         block_size = adev->vm_manager.block_size;
 257         if (adev->gmc.translate_further)
 258                 num_level -= 1;
 259         else
 260                 block_size -= 9;
 261
 262         for (i = 0; i <= 14; i++) {
 263                 tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i);
 264                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 265                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 266                                     num_level);
 267                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 268                                     RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 269                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 270                                     DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
 271                                     1);
 272                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 273                                     PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 274                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 275                                     VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 276                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 277                                     READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 278                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 279                                     WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 280                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 281                                     EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 282                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 283                                     PAGE_TABLE_BLOCK_SIZE,
 284                                     block_size);
 285                 /* Send no-retry XNACK on fault to suppress VM fault storm.
 286                  * On Aldebaran, XNACK can be enabled in the SQ per-process.
 287                  * Retry faults need to be enabled for that to work.
 288                  */
 289                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 290                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 291                                     !adev->gmc.noretry ||
 292                                     adev->asic_type == CHIP_ALDEBARAN);
 293                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL,
 294                                     i * hub->ctx_distance, tmp);
 295                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 296                                     i * hub->ctx_addr_distance, 0);
 297                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 298                                     i * hub->ctx_addr_distance, 0);
 299                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 300                                     i * hub->ctx_addr_distance,
 301                                     lower_32_bits(adev->vm_manager.max_pfn - 1));
 302                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 303                                     i * hub->ctx_addr_distance,
 304                                     upper_32_bits(adev->vm_manager.max_pfn - 1));
 305         }
 306 }
 307
 308 static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
 309 {
 310         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 311         unsigned int i;
 312
 313         for (i = 0 ; i < 18; ++i) {
 314                 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 315                                     i * hub->eng_addr_distance, 0xffffffff);
 316                 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 317                                     i * hub->eng_addr_distance, 0x1f);
 318         }
 319 }
 320
 321 static int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
 322 {
 323         /* GART Enable. */
 324         gfxhub_v1_0_init_gart_aperture_regs(adev);
 325         gfxhub_v1_0_init_system_aperture_regs(adev);
 326         gfxhub_v1_0_init_tlb_regs(adev);
 327         if (!amdgpu_sriov_vf(adev))
 328                 gfxhub_v1_0_init_cache_regs(adev);
 329
 330         gfxhub_v1_0_enable_system_domain(adev);
 331         if (!amdgpu_sriov_vf(adev))
 332                 gfxhub_v1_0_disable_identity_aperture(adev);
 333         gfxhub_v1_0_setup_vmid_config(adev);
 334         gfxhub_v1_0_program_invalidation(adev);
 335
 336         return 0;
 337 }
 338
 339 static void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
 340 {
 341         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 342         u32 tmp;
 343         u32 i;
 344
 345         /* Disable all tables */
 346         for (i = 0; i < 16; i++)
 347                 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL,
 348                                     i * hub->ctx_distance, 0);
 349
 350         if (amdgpu_sriov_vf(adev))
 351                 /* Avoid write to GMC registers */
 352                 return;
 353
 354         /* Setup TLB control */
 355         tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
 356         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 357         tmp = REG_SET_FIELD(tmp,
 358                                 MC_VM_MX_L1_TLB_CNTL,
 359                                 ENABLE_ADVANCED_DRIVER_MODEL,
 360                                 0);
 361         WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
 362
 363         /* Setup L2 cache */
 364         WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
 365         WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
 366 }
 367
 368 /**
 369  * gfxhub_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 gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
 375                                                  bool value)
 376 {
 377         u32 tmp;
 378
 379         tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 380         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 381                         RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 382         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 383                         PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 384         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 385                         PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 386         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 387                         PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 388         tmp = REG_SET_FIELD(tmp,
 389                         VM_L2_PROTECTION_FAULT_CNTL,
 390                         TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 391                         value);
 392         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 393                         NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 394         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 395                         DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 396         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 397                         VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 398         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 399                         READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 400         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 401                         WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 402         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 403                         EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 404         if (!value) {
 405                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 406                                 CRASH_ON_NO_RETRY_FAULT, 1);
 407                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 408                                 CRASH_ON_RETRY_FAULT, 1);
 409         }
 410         WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
 411 }
 412
 413 static void gfxhub_v1_0_init(struct amdgpu_device *adev)
 414 {
 415         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 416
 417         hub->ctx0_ptb_addr_lo32 =
 418                 SOC15_REG_OFFSET(GC, 0,
 419                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 420         hub->ctx0_ptb_addr_hi32 =
 421                 SOC15_REG_OFFSET(GC, 0,
 422                                  mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 423         hub->vm_inv_eng0_sem =
 424                 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
 425         hub->vm_inv_eng0_req =
 426                 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
 427         hub->vm_inv_eng0_ack =
 428                 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
 429         hub->vm_context0_cntl =
 430                 SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
 431         hub->vm_l2_pro_fault_status =
 432                 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
 433         hub->vm_l2_pro_fault_cntl =
 434                 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
 435
 436         hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
 437         hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 438                 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 439         hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
 440         hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 441                 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 442 }
 443
 444
 445 const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = {
 446         .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset,
 447         .setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
 448         .gart_enable = gfxhub_v1_0_gart_enable,
 449         .gart_disable = gfxhub_v1_0_gart_disable,
 450         .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default,
 451         .init = gfxhub_v1_0_init,
 452         .get_xgmi_info = gfxhub_v1_1_get_xgmi_info,
 453 };