drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c

   1 /*
   2  * Copyright 2022 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_xcp.h"
  25 #include "gfxhub_v1_2.h"
  26 #include "gfxhub_v1_1.h"
  27
  28 #include "gc/gc_9_4_3_offset.h"
  29 #include "gc/gc_9_4_3_sh_mask.h"
  30 #include "vega10_enum.h"
  31
  32 #include "soc15_common.h"
  33
  34 #define regVM_L2_CNTL3_DEFAULT  0x80100007
  35 #define regVM_L2_CNTL4_DEFAULT  0x000000c1
  36
  37 static u64 gfxhub_v1_2_get_mc_fb_offset(struct amdgpu_device *adev)
  38 {
  39         return (u64)RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_FB_OFFSET) << 24;
  40 }
  41
  42 static void gfxhub_v1_2_xcc_setup_vm_pt_regs(struct amdgpu_device *adev,
  43                                              uint32_t vmid,
  44                                              uint64_t page_table_base,
  45                                              uint32_t xcc_mask)
  46 {
  47         struct amdgpu_vmhub *hub;
  48         int i;
  49
  50         for_each_inst(i, xcc_mask) {
  51                 hub = &adev->vmhub[AMDGPU_GFXHUB(i)];
  52                 WREG32_SOC15_OFFSET(GC, GET_INST(GC, i),
  53                                     regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
  54                                     hub->ctx_addr_distance * vmid,
  55                                     lower_32_bits(page_table_base));
  56
  57                 WREG32_SOC15_OFFSET(GC, GET_INST(GC, i),
  58                                     regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
  59                                     hub->ctx_addr_distance * vmid,
  60                                     upper_32_bits(page_table_base));
  61         }
  62 }
  63
  64 static void gfxhub_v1_2_setup_vm_pt_regs(struct amdgpu_device *adev,
  65                                          uint32_t vmid,
  66                                          uint64_t page_table_base)
  67 {
  68         uint32_t xcc_mask;
  69
  70         xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
  71         gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, vmid, page_table_base, xcc_mask);
  72 }
  73
  74 static void gfxhub_v1_2_xcc_init_gart_aperture_regs(struct amdgpu_device *adev,
  75                                                     uint32_t xcc_mask)
  76 {
  77         uint64_t pt_base;
  78         int i;
  79
  80         if (adev->gmc.pdb0_bo)
  81                 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
  82         else
  83                 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
  84
  85         gfxhub_v1_2_xcc_setup_vm_pt_regs(adev, 0, pt_base, xcc_mask);
  86
  87         /* If use GART for FB translation, vmid0 page table covers both
  88          * vram and system memory (gart)
  89          */
  90         for_each_inst(i, xcc_mask) {
  91                 if (adev->gmc.pdb0_bo) {
  92                         WREG32_SOC15(GC, GET_INST(GC, i),
  93                                      regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
  94                                      (u32)(adev->gmc.fb_start >> 12));
  95                         WREG32_SOC15(GC, GET_INST(GC, i),
  96                                      regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
  97                                      (u32)(adev->gmc.fb_start >> 44));
  98
  99                         WREG32_SOC15(GC, GET_INST(GC, i),
 100                                      regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
 101                                      (u32)(adev->gmc.gart_end >> 12));
 102                         WREG32_SOC15(GC, GET_INST(GC, i),
 103                                      regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
 104                                      (u32)(adev->gmc.gart_end >> 44));
 105                 } else {
 106                         WREG32_SOC15(GC, GET_INST(GC, i),
 107                                      regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
 108                                      (u32)(adev->gmc.gart_start >> 12));
 109                         WREG32_SOC15(GC, GET_INST(GC, i),
 110                                      regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
 111                                      (u32)(adev->gmc.gart_start >> 44));
 112
 113                         WREG32_SOC15(GC, GET_INST(GC, i),
 114                                      regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
 115                                      (u32)(adev->gmc.gart_end >> 12));
 116                         WREG32_SOC15(GC, GET_INST(GC, i),
 117                                      regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
 118                                      (u32)(adev->gmc.gart_end >> 44));
 119                 }
 120         }
 121 }
 122
 123 static void
 124 gfxhub_v1_2_xcc_init_system_aperture_regs(struct amdgpu_device *adev,
 125                                           uint32_t xcc_mask)
 126 {
 127         uint64_t value;
 128         uint32_t tmp;
 129         int i;
 130
 131         for_each_inst(i, xcc_mask) {
 132                 /* Program the AGP BAR */
 133                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BASE, 0);
 134                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
 135                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
 136
 137                 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
 138                         /* Program the system aperture low logical page number. */
 139                         WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 140                                 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
 141
 142                         if (adev->apu_flags & AMD_APU_IS_RAVEN2)
 143                                /*
 144                                 * Raven2 has a HW issue that it is unable to use the
 145                                 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
 146                                 * So here is the workaround that increase system
 147                                 * aperture high address (add 1) to get rid of the VM
 148                                 * fault and hardware hang.
 149                                 */
 150                                 WREG32_SOC15_RLC(GC, GET_INST(GC, i),
 151                                                  regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 152                                                  max((adev->gmc.fb_end >> 18) + 0x1,
 153                                                      adev->gmc.agp_end >> 18));
 154                         else
 155                                 WREG32_SOC15_RLC(GC, GET_INST(GC, i),
 156                                         regMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 157                                         max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
 158
 159                         /* Set default page address. */
 160                         value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
 161                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
 162                                      (u32)(value >> 12));
 163                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
 164                                      (u32)(value >> 44));
 165
 166                         /* Program "protection fault". */
 167                         WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
 168                                      (u32)(adev->dummy_page_addr >> 12));
 169                         WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
 170                                      (u32)((u64)adev->dummy_page_addr >> 44));
 171
 172                         tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2);
 173                         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
 174                                             ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
 175                         WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL2, tmp);
 176                 }
 177
 178                 /* In the case squeezing vram into GART aperture, we don't use
 179                  * FB aperture and AGP aperture. Disable them.
 180                  */
 181                 if (adev->gmc.pdb0_bo) {
 182                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_TOP, 0);
 183                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
 184                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_TOP, 0);
 185                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_AGP_BOT, 0xFFFFFF);
 186                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
 187                         WREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
 188                 }
 189         }
 190 }
 191
 192 static void gfxhub_v1_2_xcc_init_tlb_regs(struct amdgpu_device *adev,
 193                                           uint32_t xcc_mask)
 194 {
 195         uint32_t tmp;
 196         int i;
 197
 198         for_each_inst(i, xcc_mask) {
 199                 /* Setup TLB control */
 200                 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL);
 201
 202                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 203                                     ENABLE_L1_TLB, 1);
 204                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 205                                     SYSTEM_ACCESS_MODE, 3);
 206                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 207                                     ENABLE_ADVANCED_DRIVER_MODEL, 1);
 208                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 209                                     SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 210                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
 211                                     MTYPE, MTYPE_UC);/* XXX for emulation. */
 212                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
 213
 214                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_MX_L1_TLB_CNTL, tmp);
 215         }
 216 }
 217
 218 static void gfxhub_v1_2_xcc_init_cache_regs(struct amdgpu_device *adev,
 219                                             uint32_t xcc_mask)
 220 {
 221         uint32_t tmp;
 222         int i;
 223
 224         for_each_inst(i, xcc_mask) {
 225                 /* Setup L2 cache */
 226                 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL);
 227                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
 228                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
 229                 /* XXX for emulation, Refer to closed source code.*/
 230                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
 231                                     0);
 232                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
 233                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 234                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
 235                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL, tmp);
 236
 237                 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_CNTL2);
 238                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 239                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 240                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL2, tmp);
 241
 242                 tmp = regVM_L2_CNTL3_DEFAULT;
 243                 if (adev->gmc.translate_further) {
 244                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
 245                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 246                                             L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
 247                 } else {
 248                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
 249                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 250                                             L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 251                 }
 252                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL3, tmp);
 253
 254                 tmp = regVM_L2_CNTL4_DEFAULT;
 255                 /* For AMD APP APUs setup WC memory */
 256                 if (adev->gmc.xgmi.connected_to_cpu || adev->gmc.is_app_apu) {
 257                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
 258                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
 259                 } else {
 260                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
 261                         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
 262                 }
 263                 WREG32_SOC15_RLC(GC, GET_INST(GC, i), regVM_L2_CNTL4, tmp);
 264         }
 265 }
 266
 267 static void gfxhub_v1_2_xcc_enable_system_domain(struct amdgpu_device *adev,
 268                                                  uint32_t xcc_mask)
 269 {
 270         uint32_t tmp;
 271         int i;
 272
 273         for_each_inst(i, xcc_mask) {
 274                 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL);
 275                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 276                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
 277                                 adev->gmc.vmid0_page_table_depth);
 278                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
 279                                 adev->gmc.vmid0_page_table_block_size);
 280                 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
 281                                     RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
 282                 WREG32_SOC15(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL, tmp);
 283         }
 284 }
 285
 286 static void
 287 gfxhub_v1_2_xcc_disable_identity_aperture(struct amdgpu_device *adev,
 288                                           uint32_t xcc_mask)
 289 {
 290         int i;
 291
 292         for_each_inst(i, xcc_mask) {
 293                 WREG32_SOC15(GC, GET_INST(GC, i),
 294                              regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
 295                              0XFFFFFFFF);
 296                 WREG32_SOC15(GC, GET_INST(GC, i),
 297                              regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
 298                              0x0000000F);
 299
 300                 WREG32_SOC15(GC, GET_INST(GC, i),
 301                              regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
 302                              0);
 303                 WREG32_SOC15(GC, GET_INST(GC, i),
 304                              regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
 305                              0);
 306
 307                 WREG32_SOC15(GC, GET_INST(GC, i),
 308                              regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
 309                 WREG32_SOC15(GC, GET_INST(GC, i),
 310                              regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
 311         }
 312 }
 313
 314 static void gfxhub_v1_2_xcc_setup_vmid_config(struct amdgpu_device *adev,
 315                                               uint32_t xcc_mask)
 316 {
 317         struct amdgpu_vmhub *hub;
 318         unsigned int num_level, block_size;
 319         uint32_t tmp;
 320         int i, j;
 321
 322         num_level = adev->vm_manager.num_level;
 323         block_size = adev->vm_manager.block_size;
 324         if (adev->gmc.translate_further)
 325                 num_level -= 1;
 326         else
 327                 block_size -= 9;
 328
 329         for_each_inst(j, xcc_mask) {
 330                 hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
 331                 for (i = 0; i <= 14; i++) {
 332                         tmp = RREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL, i);
 333                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 334                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
 335                                             num_level);
 336                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 337                                             RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 338                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 339                                             DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
 340                                             1);
 341                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 342                                             PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 343                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 344                                             VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 345                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 346                                             READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 347                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 348                                             WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 349                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 350                                             EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 351                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 352                                             PAGE_TABLE_BLOCK_SIZE,
 353                                             block_size);
 354                         /* Send no-retry XNACK on fault to suppress VM fault storm.
 355                          * On 9.4.2 and 9.4.3, XNACK can be enabled in
 356                          * the SQ per-process.
 357                          * Retry faults need to be enabled for that to work.
 358                          */
 359                         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 360                                             RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 361                                             !adev->gmc.noretry ||
 362                                             adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ||
 363                                             adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3));
 364                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT1_CNTL,
 365                                             i * hub->ctx_distance, tmp);
 366                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
 367                                             regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 368                                             i * hub->ctx_addr_distance, 0);
 369                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
 370                                             regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 371                                             i * hub->ctx_addr_distance, 0);
 372                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
 373                                             regVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 374                                             i * hub->ctx_addr_distance,
 375                                             lower_32_bits(adev->vm_manager.max_pfn - 1));
 376                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j),
 377                                             regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 378                                             i * hub->ctx_addr_distance,
 379                                             upper_32_bits(adev->vm_manager.max_pfn - 1));
 380                 }
 381         }
 382 }
 383
 384 static void gfxhub_v1_2_xcc_program_invalidation(struct amdgpu_device *adev,
 385                                                  uint32_t xcc_mask)
 386 {
 387         struct amdgpu_vmhub *hub;
 388         unsigned int i, j;
 389
 390         for_each_inst(j, xcc_mask) {
 391                 hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
 392
 393                 for (i = 0 ; i < 18; ++i) {
 394                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 395                                             i * hub->eng_addr_distance, 0xffffffff);
 396                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 397                                             i * hub->eng_addr_distance, 0x1f);
 398                 }
 399         }
 400 }
 401
 402 static int gfxhub_v1_2_xcc_gart_enable(struct amdgpu_device *adev,
 403                                        uint32_t xcc_mask)
 404 {
 405         int i;
 406
 407         /*
 408          * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, because they are
 409          * VF copy registers so vbios post doesn't program them, for
 410          * SRIOV driver need to program them
 411          */
 412         if (amdgpu_sriov_vf(adev)) {
 413                 for_each_inst(i, xcc_mask) {
 414                         WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_BASE,
 415                                      adev->gmc.vram_start >> 24);
 416                         WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_FB_LOCATION_TOP,
 417                                      adev->gmc.vram_end >> 24);
 418                 }
 419         }
 420
 421         /* GART Enable. */
 422         gfxhub_v1_2_xcc_init_gart_aperture_regs(adev, xcc_mask);
 423         gfxhub_v1_2_xcc_init_system_aperture_regs(adev, xcc_mask);
 424         gfxhub_v1_2_xcc_init_tlb_regs(adev, xcc_mask);
 425         if (!amdgpu_sriov_vf(adev))
 426                 gfxhub_v1_2_xcc_init_cache_regs(adev, xcc_mask);
 427
 428         gfxhub_v1_2_xcc_enable_system_domain(adev, xcc_mask);
 429         if (!amdgpu_sriov_vf(adev))
 430                 gfxhub_v1_2_xcc_disable_identity_aperture(adev, xcc_mask);
 431         gfxhub_v1_2_xcc_setup_vmid_config(adev, xcc_mask);
 432         gfxhub_v1_2_xcc_program_invalidation(adev, xcc_mask);
 433
 434         return 0;
 435 }
 436
 437 static int gfxhub_v1_2_gart_enable(struct amdgpu_device *adev)
 438 {
 439         uint32_t xcc_mask;
 440
 441         xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
 442         return gfxhub_v1_2_xcc_gart_enable(adev, xcc_mask);
 443 }
 444
 445 static void gfxhub_v1_2_xcc_gart_disable(struct amdgpu_device *adev,
 446                                          uint32_t xcc_mask)
 447 {
 448         struct amdgpu_vmhub *hub;
 449         u32 tmp;
 450         u32 i, j;
 451
 452         for_each_inst(j, xcc_mask) {
 453                 hub = &adev->vmhub[AMDGPU_GFXHUB(j)];
 454                 /* Disable all tables */
 455                 for (i = 0; i < 16; i++)
 456                         WREG32_SOC15_OFFSET(GC, GET_INST(GC, j), regVM_CONTEXT0_CNTL,
 457                                             i * hub->ctx_distance, 0);
 458
 459                 /* Setup TLB control */
 460                 tmp = RREG32_SOC15(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL);
 461                 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 462                 tmp = REG_SET_FIELD(tmp,
 463                                         MC_VM_MX_L1_TLB_CNTL,
 464                                         ENABLE_ADVANCED_DRIVER_MODEL,
 465                                         0);
 466                 WREG32_SOC15_RLC(GC, GET_INST(GC, j), regMC_VM_MX_L1_TLB_CNTL, tmp);
 467
 468                 /* Setup L2 cache */
 469                 tmp = RREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL);
 470                 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
 471                 WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL, tmp);
 472                 WREG32_SOC15(GC, GET_INST(GC, j), regVM_L2_CNTL3, 0);
 473         }
 474 }
 475
 476 static void gfxhub_v1_2_gart_disable(struct amdgpu_device *adev)
 477 {
 478         uint32_t xcc_mask;
 479
 480         xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
 481         gfxhub_v1_2_xcc_gart_disable(adev, xcc_mask);
 482 }
 483
 484 static void gfxhub_v1_2_xcc_set_fault_enable_default(struct amdgpu_device *adev,
 485                                                      bool value,
 486                                                      uint32_t xcc_mask)
 487 {
 488         u32 tmp;
 489         int i;
 490
 491         for_each_inst(i, xcc_mask) {
 492                 tmp = RREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL);
 493                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 494                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 495                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 496                                 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 497                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 498                                 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 499                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 500                                 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 501                 tmp = REG_SET_FIELD(tmp,
 502                                 VM_L2_PROTECTION_FAULT_CNTL,
 503                                 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 504                                 value);
 505                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 506                                 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 507                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 508                                 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 509                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 510                                 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 511                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 512                                 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 513                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 514                                 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 515                 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 516                                 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 517                 if (!value) {
 518                         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 519                                         CRASH_ON_NO_RETRY_FAULT, 1);
 520                         tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
 521                                         CRASH_ON_RETRY_FAULT, 1);
 522                 }
 523                 WREG32_SOC15(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL, tmp);
 524         }
 525 }
 526
 527 /**
 528  * gfxhub_v1_2_set_fault_enable_default - update GART/VM fault handling
 529  *
 530  * @adev: amdgpu_device pointer
 531  * @value: true redirects VM faults to the default page
 532  */
 533 static void gfxhub_v1_2_set_fault_enable_default(struct amdgpu_device *adev,
 534                                                  bool value)
 535 {
 536         uint32_t xcc_mask;
 537
 538         xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
 539         gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, xcc_mask);
 540 }
 541
 542 static void gfxhub_v1_2_xcc_init(struct amdgpu_device *adev, uint32_t xcc_mask)
 543 {
 544         struct amdgpu_vmhub *hub;
 545         int i;
 546
 547         for_each_inst(i, xcc_mask) {
 548                 hub = &adev->vmhub[AMDGPU_GFXHUB(i)];
 549
 550                 hub->ctx0_ptb_addr_lo32 =
 551                         SOC15_REG_OFFSET(GC, GET_INST(GC, i),
 552                                 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 553                 hub->ctx0_ptb_addr_hi32 =
 554                         SOC15_REG_OFFSET(GC, GET_INST(GC, i),
 555                                 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 556                 hub->vm_inv_eng0_sem =
 557                         SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_SEM);
 558                 hub->vm_inv_eng0_req =
 559                         SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_REQ);
 560                 hub->vm_inv_eng0_ack =
 561                         SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_ACK);
 562                 hub->vm_context0_cntl =
 563                         SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_CONTEXT0_CNTL);
 564                 hub->vm_l2_pro_fault_status =
 565                         SOC15_REG_OFFSET(GC, GET_INST(GC, i),
 566                                 regVM_L2_PROTECTION_FAULT_STATUS);
 567                 hub->vm_l2_pro_fault_cntl =
 568                         SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_L2_PROTECTION_FAULT_CNTL);
 569
 570                 hub->ctx_distance = regVM_CONTEXT1_CNTL -
 571                                 regVM_CONTEXT0_CNTL;
 572                 hub->ctx_addr_distance =
 573                                 regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 574                                 regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 575                 hub->eng_distance = regVM_INVALIDATE_ENG1_REQ -
 576                                 regVM_INVALIDATE_ENG0_REQ;
 577                 hub->eng_addr_distance =
 578                                 regVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 579                                 regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 580         }
 581 }
 582
 583 static void gfxhub_v1_2_init(struct amdgpu_device *adev)
 584 {
 585         uint32_t xcc_mask;
 586
 587         xcc_mask = GENMASK(NUM_XCC(adev->gfx.xcc_mask) - 1, 0);
 588         gfxhub_v1_2_xcc_init(adev, xcc_mask);
 589 }
 590
 591 static int gfxhub_v1_2_get_xgmi_info(struct amdgpu_device *adev)
 592 {
 593         u32 max_num_physical_nodes;
 594         u32 max_physical_node_id;
 595         u32 xgmi_lfb_cntl;
 596         u32 max_region;
 597         u64 seg_size;
 598
 599         xgmi_lfb_cntl = RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_CNTL);
 600         seg_size = REG_GET_FIELD(
 601                 RREG32_SOC15(GC, GET_INST(GC, 0), regMC_VM_XGMI_LFB_SIZE),
 602                 MC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24;
 603         max_region =
 604                 REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION);
 605
 606
 607
 608         max_num_physical_nodes   = 8;
 609         max_physical_node_id     = 7;
 610
 611         /* PF_MAX_REGION=0 means xgmi is disabled */
 612         if (max_region || adev->gmc.xgmi.connected_to_cpu) {
 613                 adev->gmc.xgmi.num_physical_nodes = max_region + 1;
 614
 615                 if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes)
 616                         return -EINVAL;
 617
 618                 adev->gmc.xgmi.physical_node_id =
 619                         REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
 620                                         PF_LFB_REGION);
 621
 622                 if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
 623                         return -EINVAL;
 624
 625                 adev->gmc.xgmi.node_segment_size = seg_size;
 626         }
 627
 628         return 0;
 629 }
 630
 631 const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = {
 632         .get_mc_fb_offset = gfxhub_v1_2_get_mc_fb_offset,
 633         .setup_vm_pt_regs = gfxhub_v1_2_setup_vm_pt_regs,
 634         .gart_enable = gfxhub_v1_2_gart_enable,
 635         .gart_disable = gfxhub_v1_2_gart_disable,
 636         .set_fault_enable_default = gfxhub_v1_2_set_fault_enable_default,
 637         .init = gfxhub_v1_2_init,
 638         .get_xgmi_info = gfxhub_v1_2_get_xgmi_info,
 639 };
 640
 641 static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask)
 642 {
 643         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 644         bool value;
 645
 646         if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
 647                 value = false;
 648         else
 649                 value = true;
 650
 651         gfxhub_v1_2_xcc_set_fault_enable_default(adev, value, inst_mask);
 652
 653         if (!amdgpu_sriov_vf(adev))
 654                 return gfxhub_v1_2_xcc_gart_enable(adev, inst_mask);
 655
 656         return 0;
 657 }
 658
 659 static int gfxhub_v1_2_xcp_suspend(void *handle, uint32_t inst_mask)
 660 {
 661         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 662
 663         if (!amdgpu_sriov_vf(adev))
 664                 gfxhub_v1_2_xcc_gart_disable(adev, inst_mask);
 665
 666         return 0;
 667 }
 668
 669 struct amdgpu_xcp_ip_funcs gfxhub_v1_2_xcp_funcs = {
 670         .suspend = &gfxhub_v1_2_xcp_suspend,
 671         .resume = &gfxhub_v1_2_xcp_resume
 672 };