drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c

   1 /*
   2  * Copyright 2019 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include "amdgpu.h"
  25 #include "gfxhub_v2_1.h"
  26
  27 #include "gc/gc_10_3_0_offset.h"
  28 #include "gc/gc_10_3_0_sh_mask.h"
  29 #include "gc/gc_10_3_0_default.h"
  30 #include "navi10_enum.h"
  31
  32 #include "soc15_common.h"
  33
  34 #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP                             0x16f8
  35 #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP_BASE_IDX    0
  36
  37 static const char *gfxhub_client_ids[] = {
  38         "CB/DB",
  39         "Reserved",
  40         "GE1",
  41         "GE2",
  42         "CPF",
  43         "CPC",
  44         "CPG",
  45         "RLC",
  46         "TCP",
  47         "SQC (inst)",
  48         "SQC (data)",
  49         "SQG",
  50         "Reserved",
  51         "SDMA0",
  52         "SDMA1",
  53         "GCR",
  54         "SDMA2",
  55         "SDMA3",
  56 };
  57
  58 static uint32_t gfxhub_v2_1_get_invalidate_req(unsigned int vmid,
  59                                                uint32_t flush_type)
  60 {
  61         u32 req = 0;
  62
  63         /* invalidate using legacy mode on vmid*/
  64         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
  65                             PER_VMID_INVALIDATE_REQ, 1 << vmid);
  66         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
  67         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
  68         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
  69         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
  70         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
  71         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
  72         req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
  73                             CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
  74
  75         return req;
  76 }
  77
  78 static void
  79 gfxhub_v2_1_print_l2_protection_fault_status(struct amdgpu_device *adev,
  80                                              uint32_t status)
  81 {
  82         u32 cid = REG_GET_FIELD(status,
  83                                 GCVM_L2_PROTECTION_FAULT_STATUS, CID);
  84
  85         dev_err(adev->dev,
  86                 "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
  87                 status);
  88         dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
  89                 cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
  90                 cid);
  91         dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
  92                 REG_GET_FIELD(status,
  93                 GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
  94         dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
  95                 REG_GET_FIELD(status,
  96                 GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
  97         dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
  98                 REG_GET_FIELD(status,
  99                 GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
 100         dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
 101                 REG_GET_FIELD(status,
 102                 GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
 103         dev_err(adev->dev, "\t RW: 0x%lx\n",
 104                 REG_GET_FIELD(status,
 105                 GCVM_L2_PROTECTION_FAULT_STATUS, RW));
 106 }
 107
 108 static u64 gfxhub_v2_1_get_fb_location(struct amdgpu_device *adev)
 109 {
 110         u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE);
 111
 112         base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
 113         base <<= 24;
 114
 115         return base;
 116 }
 117
 118 static u64 gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device *adev)
 119 {
 120         return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24;
 121 }
 122
 123 static void gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
 124                                 uint64_t page_table_base)
 125 {
 126         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 127
 128         WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
 129                             hub->ctx_addr_distance * vmid,
 130                             lower_32_bits(page_table_base));
 131
 132         WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
 133                             hub->ctx_addr_distance * vmid,
 134                             upper_32_bits(page_table_base));
 135 }
 136
 137 static void gfxhub_v2_1_init_gart_aperture_regs(struct amdgpu_device *adev)
 138 {
 139         uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
 140
 141         gfxhub_v2_1_setup_vm_pt_regs(adev, 0, pt_base);
 142
 143         WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
 144                      (u32)(adev->gmc.gart_start >> 12));
 145         WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
 146                      (u32)(adev->gmc.gart_start >> 44));
 147
 148         WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
 149                      (u32)(adev->gmc.gart_end >> 12));
 150         WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
 151                      (u32)(adev->gmc.gart_end >> 44));
 152 }
 153
 154 static void gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device *adev)
 155 {
 156         uint64_t value;
 157
 158         /* Program the AGP BAR */
 159         WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
 160         WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
 161         WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
 162
 163         /* Program the system aperture low logical page number. */
 164         WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 165                      min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 166         WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 167                      max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 168
 169         /* Set default page address. */
 170         value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
 171         WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 172                      (u32)(value >> 12));
 173         WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 174                      (u32)(value >> 44));
 175
 176         /* Program "protection fault". */
 177         WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 178                      (u32)(adev->dummy_page_addr >> 12));
 179         WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 180                      (u32)((u64)adev->dummy_page_addr >> 44));
 181
 182         WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
 183                        ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 184 }
 185
 186
 187 static void gfxhub_v2_1_init_tlb_regs(struct amdgpu_device *adev)
 188 {
 189         uint32_t tmp;
 190
 191         /* Setup TLB control */
 192         tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
 193
 194         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 195         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 196         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
 197                             ENABLE_ADVANCED_DRIVER_MODEL, 1);
 198         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
 199                             SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 200         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
 201         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
 202                             MTYPE, MTYPE_UC); /* UC, uncached */
 203
 204         WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
 205 }
 206
 207 static void gfxhub_v2_1_init_cache_regs(struct amdgpu_device *adev)
 208 {
 209         uint32_t tmp;
 210
 211         /* These registers are not accessible to VF-SRIOV.
 212          * The PF will program them instead.
 213          */
 214         if (amdgpu_sriov_vf(adev))
 215                 return;
 216
 217         /* Setup L2 cache */
 218         tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL);
 219         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
 220         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
 221         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
 222                             ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
 223         /* XXX for emulation, Refer to closed source code.*/
 224         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
 225                             L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
 226         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 227         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 228         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 229         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp);
 230
 231         tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2);
 232         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 233         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 234         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp);
 235
 236         tmp = mmGCVM_L2_CNTL3_DEFAULT;
 237         if (adev->gmc.translate_further) {
 238                 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
 239                 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
 240                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 241         } else {
 242                 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
 243                 tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
 244                                     L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 245         }
 246         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp);
 247
 248         tmp = mmGCVM_L2_CNTL4_DEFAULT;
 249         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 250         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 251         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
 252
 253         tmp = mmGCVM_L2_CNTL5_DEFAULT;
 254         tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
 255         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp);
 256 }
 257
 258 static void gfxhub_v2_1_enable_system_domain(struct amdgpu_device *adev)
 259 {
 260         uint32_t tmp;
 261
 262         tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL);
 263         tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 264         tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
 265         tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
 266                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 267         WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp);
 268 }
 269
 270 static void gfxhub_v2_1_disable_identity_aperture(struct amdgpu_device *adev)
 271 {
 272         /* These registers are not accessible to VF-SRIOV.
 273          * The PF will program them instead.
 274          */
 275         if (amdgpu_sriov_vf(adev))
 276                 return;
 277
 278         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 279                      0xFFFFFFFF);
 280         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 281                      0x0000000F);
 282
 283         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
 284                      0);
 285         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
 286                      0);
 287
 288         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
 289         WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
 290
 291 }
 292
 293 static void gfxhub_v2_1_setup_vmid_config(struct amdgpu_device *adev)
 294 {
 295         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 296         int i;
 297         uint32_t tmp;
 298
 299         for (i = 0; i <= 14; i++) {
 300                 tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i);
 301                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 302                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 303                                     adev->vm_manager.num_level);
 304                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 305                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 306                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 307                                 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 308                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 309                                 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 310                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 311                                 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 312                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 313                                 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 314                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 315                                 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 316                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 317                                 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 318                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 319                                 PAGE_TABLE_BLOCK_SIZE,
 320                                 adev->vm_manager.block_size - 9);
 321                 /* Send no-retry XNACK on fault to suppress VM fault storm. */
 322                 tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
 323                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 324                                     !adev->gmc.noretry);
 325                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL,
 326                                     i * hub->ctx_distance, tmp);
 327                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 328                                     i * hub->ctx_addr_distance, 0);
 329                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 330                                     i * hub->ctx_addr_distance, 0);
 331                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 332                                     i * hub->ctx_addr_distance,
 333                                     lower_32_bits(adev->vm_manager.max_pfn - 1));
 334                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 335                                     i * hub->ctx_addr_distance,
 336                                     upper_32_bits(adev->vm_manager.max_pfn - 1));
 337         }
 338 }
 339
 340 static void gfxhub_v2_1_program_invalidation(struct amdgpu_device *adev)
 341 {
 342         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 343         unsigned i;
 344
 345         for (i = 0 ; i < 18; ++i) {
 346                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 347                                     i * hub->eng_addr_distance, 0xffffffff);
 348                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 349                                     i * hub->eng_addr_distance, 0x1f);
 350         }
 351 }
 352
 353 static int gfxhub_v2_1_gart_enable(struct amdgpu_device *adev)
 354 {
 355         if (amdgpu_sriov_vf(adev)) {
 356                 /*
 357                  * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
 358                  * VF copy registers so vbios post doesn't program them, for
 359                  * SRIOV driver need to program them
 360                  */
 361                 WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE,
 362                              adev->gmc.vram_start >> 24);
 363                 WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP,
 364                              adev->gmc.vram_end >> 24);
 365         }
 366
 367         /* GART Enable. */
 368         gfxhub_v2_1_init_gart_aperture_regs(adev);
 369         gfxhub_v2_1_init_system_aperture_regs(adev);
 370         gfxhub_v2_1_init_tlb_regs(adev);
 371         gfxhub_v2_1_init_cache_regs(adev);
 372
 373         gfxhub_v2_1_enable_system_domain(adev);
 374         gfxhub_v2_1_disable_identity_aperture(adev);
 375         gfxhub_v2_1_setup_vmid_config(adev);
 376         gfxhub_v2_1_program_invalidation(adev);
 377
 378         return 0;
 379 }
 380
 381 static void gfxhub_v2_1_gart_disable(struct amdgpu_device *adev)
 382 {
 383         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 384         u32 tmp;
 385         u32 i;
 386
 387         /* Disable all tables */
 388         for (i = 0; i < 16; i++)
 389                 WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL,
 390                                     i * hub->ctx_distance, 0);
 391
 392         /* Setup TLB control */
 393         tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
 394         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 395         tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
 396                             ENABLE_ADVANCED_DRIVER_MODEL, 0);
 397         WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
 398
 399         /* Setup L2 cache */
 400         WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
 401         WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
 402 }
 403
 404 /**
 405  * gfxhub_v2_1_set_fault_enable_default - update GART/VM fault handling
 406  *
 407  * @adev: amdgpu_device pointer
 408  * @value: true redirects VM faults to the default page
 409  */
 410 static void gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device *adev,
 411                                           bool value)
 412 {
 413         u32 tmp;
 414
 415         /* These registers are not accessible to VF-SRIOV.
 416          * The PF will program them instead.
 417          */
 418         if (amdgpu_sriov_vf(adev))
 419                 return;
 420
 421         tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
 422         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 423                             RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 424         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 425                             PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 426         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 427                             PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 428         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 429                             PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 430         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 431                             TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 432                             value);
 433         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 434                             NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 435         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 436                             DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 437         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 438                             VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 439         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 440                             READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 441         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 442                             WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 443         tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 444                             EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 445         if (!value) {
 446                 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 447                                 CRASH_ON_NO_RETRY_FAULT, 1);
 448                 tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 449                                 CRASH_ON_RETRY_FAULT, 1);
 450         }
 451         WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
 452 }
 453
 454 static const struct amdgpu_vmhub_funcs gfxhub_v2_1_vmhub_funcs = {
 455         .print_l2_protection_fault_status = gfxhub_v2_1_print_l2_protection_fault_status,
 456         .get_invalidate_req = gfxhub_v2_1_get_invalidate_req,
 457 };
 458
 459 static void gfxhub_v2_1_init(struct amdgpu_device *adev)
 460 {
 461         struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 462
 463         hub->ctx0_ptb_addr_lo32 =
 464                 SOC15_REG_OFFSET(GC, 0,
 465                                  mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 466         hub->ctx0_ptb_addr_hi32 =
 467                 SOC15_REG_OFFSET(GC, 0,
 468                                  mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 469         hub->vm_inv_eng0_sem =
 470                 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM);
 471         hub->vm_inv_eng0_req =
 472                 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ);
 473         hub->vm_inv_eng0_ack =
 474                 SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK);
 475         hub->vm_context0_cntl =
 476                 SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL);
 477         hub->vm_l2_pro_fault_status =
 478                 SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS);
 479         hub->vm_l2_pro_fault_cntl =
 480                 SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
 481
 482         hub->ctx_distance = mmGCVM_CONTEXT1_CNTL - mmGCVM_CONTEXT0_CNTL;
 483         hub->ctx_addr_distance = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 484                 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 485         hub->eng_distance = mmGCVM_INVALIDATE_ENG1_REQ -
 486                 mmGCVM_INVALIDATE_ENG0_REQ;
 487         hub->eng_addr_distance = mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 488                 mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 489
 490         hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 491                 GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 492                 GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 493                 GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 494                 GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 495                 GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 496                 GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
 497
 498         hub->vmhub_funcs = &gfxhub_v2_1_vmhub_funcs;
 499 }
 500
 501 static int gfxhub_v2_1_get_xgmi_info(struct amdgpu_device *adev)
 502 {
 503         u32 xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_CNTL);
 504         u32 max_region =
 505                 REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
 506         u32 max_num_physical_nodes   = 0;
 507         u32 max_physical_node_id     = 0;
 508
 509         switch (adev->asic_type) {
 510         case CHIP_SIENNA_CICHLID:
 511                 max_num_physical_nodes   = 4;
 512                 max_physical_node_id     = 3;
 513                 break;
 514         default:
 515                 return -EINVAL;
 516         }
 517
 518         /* PF_MAX_REGION=0 means xgmi is disabled */
 519         if (max_region) {
 520                 adev->gmc.xgmi.num_physical_nodes = max_region + 1;
 521                 if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
 522                         return -EINVAL;
 523
 524                 adev->gmc.xgmi.physical_node_id =
 525                         REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_LFB_REGION);
 526                 if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
 527                         return -EINVAL;
 528
 529                 adev->gmc.xgmi.node_segment_size = REG_GET_FIELD(
 530                         RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_SIZE),
 531                         GCMC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
 532         }
 533
 534         return 0;
 535 }
 536
 537 static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev)
 538 {
 539         int i;
 540         u32 tmp = 0, disabled_sa = 0;
 541         u32 efuse_setting, vbios_setting;
 542
 543         u32 max_sa_mask = amdgpu_gfx_create_bitmask(
 544                 adev->gfx.config.max_sh_per_se *
 545                 adev->gfx.config.max_shader_engines);
 546
 547         if (adev->asic_type == CHIP_YELLOW_CARP) {
 548                 /* Get SA disabled bitmap from eFuse setting */
 549                 efuse_setting = RREG32_SOC15(GC, 0, mmCC_GC_SA_UNIT_DISABLE);
 550                 efuse_setting &= CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK;
 551                 efuse_setting >>= CC_GC_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
 552
 553                 /* Get SA disabled bitmap from VBIOS setting */
 554                 vbios_setting = RREG32_SOC15(GC, 0, mmGC_USER_SA_UNIT_DISABLE);
 555                 vbios_setting &= GC_USER_SA_UNIT_DISABLE__SA_DISABLE_MASK;
 556                 vbios_setting >>= GC_USER_SA_UNIT_DISABLE__SA_DISABLE__SHIFT;
 557
 558                 disabled_sa |= efuse_setting | vbios_setting;
 559                 /* Make sure not to report harvested SAs beyond the max SA count */
 560                 disabled_sa &= max_sa_mask;
 561
 562                 for (i = 0; disabled_sa > 0; i++) {
 563                         if (disabled_sa & 1)
 564                                 tmp |= 0x3 << (i * 2);
 565                         disabled_sa >>= 1;
 566                 }
 567                 disabled_sa = tmp;
 568
 569                 WREG32_SOC15(GC, 0, mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP, disabled_sa);
 570         }
 571 }
 572
 573 const struct amdgpu_gfxhub_funcs gfxhub_v2_1_funcs = {
 574         .get_fb_location = gfxhub_v2_1_get_fb_location,
 575         .get_mc_fb_offset = gfxhub_v2_1_get_mc_fb_offset,
 576         .setup_vm_pt_regs = gfxhub_v2_1_setup_vm_pt_regs,
 577         .gart_enable = gfxhub_v2_1_gart_enable,
 578         .gart_disable = gfxhub_v2_1_gart_disable,
 579         .set_fault_enable_default = gfxhub_v2_1_set_fault_enable_default,
 580         .init = gfxhub_v2_1_init,
 581         .get_xgmi_info = gfxhub_v2_1_get_xgmi_info,
 582         .utcl2_harvest = gfxhub_v2_1_utcl2_harvest,
 583 };