1 /* 2 * Copyright 2025 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 "mmhub_v4_2_0.h" 26 27 #include "mmhub/mmhub_4_2_0_offset.h" 28 #include "mmhub/mmhub_4_2_0_sh_mask.h" 29 30 #include "soc15_common.h" 31 #include "soc24_enum.h" 32 33 #define regMMVM_L2_CNTL3_DEFAULT 0x80100007 34 #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1 35 #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0 36 37 static const char *mmhub_client_ids_v4_2_0[][2] = { 38 [0][0] = "VMC", 39 [4][0] = "DCEDMC", 40 [5][0] = "DCEVGA", 41 [6][0] = "MP0", 42 [7][0] = "MP1", 43 [8][0] = "MPIO", 44 [16][0] = "HDP", 45 [17][0] = "LSDMA", 46 [18][0] = "JPEG", 47 [19][0] = "VCNU0", 48 [21][0] = "VSCH", 49 [22][0] = "VCNU1", 50 [23][0] = "VCN1", 51 [32+20][0] = "VCN0", 52 [2][1] = "DBGUNBIO", 53 [3][1] = "DCEDWB", 54 [4][1] = "DCEDMC", 55 [5][1] = "DCEVGA", 56 [6][1] = "MP0", 57 [7][1] = "MP1", 58 [8][1] = "MPIO", 59 [10][1] = "DBGU0", 60 [11][1] = "DBGU1", 61 [12][1] = "DBGU2", 62 [13][1] = "DBGU3", 63 [14][1] = "XDP", 64 [15][1] = "OSSSYS", 65 [16][1] = "HDP", 66 [17][1] = "LSDMA", 67 [18][1] = "JPEG", 68 [19][1] = "VCNU0", 69 [20][1] = "VCN0", 70 [21][1] = "VSCH", 71 [22][1] = "VCNU1", 72 [23][1] = "VCN1", 73 }; 74 75 static u64 mmhub_v4_2_0_get_fb_location(struct amdgpu_device *adev) 76 { 77 u64 base; 78 79 base = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), 80 regMMMC_VM_FB_LOCATION_BASE_LO32); 81 base &= MMMC_VM_FB_LOCATION_BASE_LO32__FB_BASE_LO32_MASK; 82 base <<= 24; 83 84 base |= ((u64)(MMMC_VM_FB_LOCATION_BASE_HI32__FB_BASE_HI1_MASK & 85 RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), 86 regMMMC_VM_FB_LOCATION_BASE_HI32)) << 56); 87 88 return base; 89 } 90 91 static u64 mmhub_v4_2_0_get_mc_fb_offset(struct amdgpu_device *adev) 92 { 93 return (u64)RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), 94 regMMMC_VM_FB_OFFSET) << 24; 95 } 96 97 static void mmhub_v4_2_0_mid_setup_vm_pt_regs(struct amdgpu_device *adev, 98 uint32_t vmid, 99 uint64_t page_table_base, 100 uint32_t mid_mask) 101 { 102 struct amdgpu_vmhub *hub; 103 int i; 104 105 for_each_inst(i, mid_mask) { 106 hub = &adev->vmhub[AMDGPU_MMHUB0(i)]; 107 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, i), 108 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, 109 hub->ctx_addr_distance * vmid, 110 lower_32_bits(page_table_base)); 111 112 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, i), 113 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, 114 hub->ctx_addr_distance * vmid, 115 upper_32_bits(page_table_base)); 116 } 117 } 118 119 static void mmhub_v4_2_0_setup_vm_pt_regs(struct amdgpu_device *adev, 120 uint32_t vmid, 121 uint64_t page_table_base) 122 { 123 uint32_t mid_mask; 124 125 mid_mask = adev->aid_mask; 126 mmhub_v4_2_0_mid_setup_vm_pt_regs(adev, vmid, 127 page_table_base, 128 mid_mask); 129 } 130 131 static void mmhub_v4_2_0_mid_init_gart_aperture_regs(struct amdgpu_device *adev, 132 uint32_t mid_mask) 133 { 134 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 135 int i; 136 137 if (adev->gmc.pdb0_bo) 138 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo); 139 else 140 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 141 142 mmhub_v4_2_0_mid_setup_vm_pt_regs(adev, 0, pt_base, mid_mask); 143 144 for_each_inst(i, mid_mask) { 145 if (adev->gmc.pdb0_bo) { 146 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 147 regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 148 (u32)(adev->gmc.fb_start >> 12)); 149 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 150 regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 151 (u32)(adev->gmc.fb_start >> 44)); 152 153 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 154 regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 155 (u32)(adev->gmc.fb_end >> 12)); 156 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 157 regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 158 (u32)(adev->gmc.fb_end >> 44)); 159 } else { 160 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 161 regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, 162 (u32)(adev->gmc.gart_start >> 12)); 163 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 164 regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, 165 (u32)(adev->gmc.gart_start >> 44)); 166 167 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 168 regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, 169 (u32)(adev->gmc.gart_end >> 12)); 170 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 171 regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, 172 (u32)(adev->gmc.gart_end >> 44)); 173 } 174 } 175 } 176 177 static void mmhub_v4_2_0_mid_init_system_aperture_regs(struct amdgpu_device *adev, 178 uint32_t mid_mask) 179 { 180 uint64_t value; 181 uint32_t tmp; 182 int i; 183 184 /* 185 * the new L1 policy will block SRIOV guest from writing 186 * these regs, and they will be programed at host. 187 * so skip programing these regs. 188 */ 189 if (amdgpu_sriov_vf(adev)) 190 return; 191 192 for_each_inst(i, mid_mask) { 193 /* Program the AGP BAR */ 194 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 195 regMMMC_VM_AGP_BASE_LO32, 0); 196 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 197 regMMMC_VM_AGP_BASE_HI32, 0); 198 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 199 regMMMC_VM_AGP_BOT_LO32, 200 lower_32_bits(adev->gmc.agp_start >> 24)); 201 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 202 regMMMC_VM_AGP_BOT_HI32, 203 upper_32_bits(adev->gmc.agp_start >> 24)); 204 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 205 regMMMC_VM_AGP_TOP_LO32, 206 lower_32_bits(adev->gmc.agp_end >> 24)); 207 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 208 regMMMC_VM_AGP_TOP_HI32, 209 upper_32_bits(adev->gmc.agp_end >> 24)); 210 211 /* Program the system aperture low logical page number. */ 212 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 213 regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR_LO32, 214 lower_32_bits(min(adev->gmc.fb_start, 215 adev->gmc.agp_start) >> 18)); 216 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 217 regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR_HI32, 218 upper_32_bits(min(adev->gmc.fb_start, 219 adev->gmc.agp_start) >> 18)); 220 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 221 regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR_LO32, 222 lower_32_bits(max(adev->gmc.fb_end, 223 adev->gmc.agp_end) >> 18)); 224 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 225 regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR_HI32, 226 upper_32_bits(max(adev->gmc.fb_end, 227 adev->gmc.agp_end) >> 18)); 228 229 /* Set default page address. */ 230 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr); 231 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 232 regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 233 (u32)(value >> 12)); 234 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 235 regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 236 (u32)(value >> 44)); 237 238 /* Program "protection fault". */ 239 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 240 regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, 241 (u32)(adev->dummy_page_addr >> 12)); 242 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 243 regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, 244 (u32)((u64)adev->dummy_page_addr >> 44)); 245 246 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 247 regMMVM_L2_PROTECTION_FAULT_CNTL2); 248 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, 249 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); 250 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, 251 ENABLE_RETRY_FAULT_INTERRUPT, 0x1); 252 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 253 regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); 254 } 255 256 /* In the case squeezing vram into GART aperture, we don't use 257 * FB aperture and AGP aperture. Disable them. 258 */ 259 if (adev->gmc.pdb0_bo) { 260 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 261 regMMMC_VM_FB_LOCATION_TOP_LO32, 0); 262 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 263 regMMMC_VM_FB_LOCATION_TOP_HI32, 0); 264 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 265 regMMMC_VM_FB_LOCATION_BASE_LO32, 0xFFFFFFFF); 266 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 267 regMMMC_VM_FB_LOCATION_BASE_HI32, 1); 268 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 269 regMMMC_VM_AGP_TOP_LO32, 0); 270 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 271 regMMMC_VM_AGP_TOP_HI32, 0); 272 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 273 regMMMC_VM_AGP_BOT_LO32, 0xFFFFFFFF); 274 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 275 regMMMC_VM_AGP_BOT_HI32, 1); 276 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 277 regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR_LO32, 278 0xFFFFFFFF); 279 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 280 regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR_HI32, 281 0x7F); 282 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 283 regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR_LO32, 0); 284 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 285 regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR_HI32, 0); 286 } 287 } 288 289 static void mmhub_v4_2_0_mid_init_tlb_regs(struct amdgpu_device *adev, 290 uint32_t mid_mask) 291 { 292 uint32_t tmp; 293 int i; 294 295 for_each_inst(i, mid_mask) { 296 /* Setup TLB control */ 297 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 298 regMMMC_VM_MX_L1_TLB_CNTL); 299 300 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 301 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 302 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 303 ENABLE_ADVANCED_DRIVER_MODEL, 1); 304 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 305 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 306 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); 307 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 308 MTYPE, MTYPE_UC); /* UC, uncached */ 309 310 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 311 regMMMC_VM_MX_L1_TLB_CNTL, tmp); 312 } 313 } 314 315 static void mmhub_v4_2_0_mid_init_cache_regs(struct amdgpu_device *adev, 316 uint32_t mid_mask) 317 { 318 uint32_t tmp; 319 int i; 320 321 /* These registers are not accessible to VF-SRIOV. 322 * The PF will program them instead. 323 */ 324 if (amdgpu_sriov_vf(adev)) 325 return; 326 327 for_each_inst(i, mid_mask) { 328 /* Setup L2 cache */ 329 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL); 330 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); 331 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); 332 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 333 ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 334 /* XXX for emulation, Refer to closed source code.*/ 335 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 336 L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); 337 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 338 PDE_FAULT_CLASSIFICATION, 0); 339 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 340 CONTEXT1_IDENTITY_ACCESS_MODE, 1); 341 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, 342 IDENTITY_MODE_FRAGMENT_SIZE, 0); 343 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL, tmp); 344 345 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL2); 346 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, 347 INVALIDATE_ALL_L1_TLBS, 1); 348 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, 349 INVALIDATE_L2_CACHE, 1); 350 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL2, tmp); 351 352 tmp = regMMVM_L2_CNTL3_DEFAULT; 353 if (adev->gmc.translate_further) { 354 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); 355 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 356 L2_CACHE_BIGK_FRAGMENT_SIZE, 9); 357 } else { 358 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); 359 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, 360 L2_CACHE_BIGK_FRAGMENT_SIZE, 6); 361 } 362 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL3, tmp); 363 364 tmp = regMMVM_L2_CNTL4_DEFAULT; 365 /* For AMD APP APUs setup WC memory */ 366 if (adev->gmc.xgmi.connected_to_cpu || adev->gmc.is_app_apu) { 367 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, 368 VMC_TAP_PDE_REQUEST_PHYSICAL, 1); 369 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, 370 VMC_TAP_PTE_REQUEST_PHYSICAL, 1); 371 } else { 372 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, 373 VMC_TAP_PDE_REQUEST_PHYSICAL, 0); 374 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, 375 VMC_TAP_PTE_REQUEST_PHYSICAL, 0); 376 } 377 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL4, tmp); 378 379 tmp = regMMVM_L2_CNTL5_DEFAULT; 380 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, 381 L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); 382 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_CNTL5, tmp); 383 } 384 } 385 386 static void mmhub_v4_2_0_mid_enable_system_domain(struct amdgpu_device *adev, 387 uint32_t mid_mask) 388 { 389 uint32_t tmp; 390 int i; 391 392 for_each_inst(i, mid_mask) { 393 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 394 regMMVM_CONTEXT0_CNTL); 395 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 396 ENABLE_CONTEXT, 1); 397 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 398 PAGE_TABLE_DEPTH, 0); 399 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, 400 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); 401 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 402 regMMVM_CONTEXT0_CNTL, tmp); 403 } 404 } 405 406 static void mmhub_v4_2_0_mid_disable_identity_aperture(struct amdgpu_device *adev, 407 uint32_t mid_mask) 408 { 409 int i; 410 411 /* These registers are not accessible to VF-SRIOV. 412 * The PF will program them instead. 413 */ 414 if (amdgpu_sriov_vf(adev)) 415 return; 416 417 for_each_inst(i, mid_mask) { 418 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 419 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 420 0xFFFFFFFF); 421 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 422 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 423 0x00001FFF); 424 425 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 426 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 427 0); 428 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 429 regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 430 0); 431 432 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 433 regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 434 0); 435 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 436 regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 437 0); 438 } 439 } 440 441 static void mmhub_v4_2_0_mid_setup_vmid_config(struct amdgpu_device *adev, 442 uint32_t mid_mask) 443 { 444 struct amdgpu_vmhub *hub; 445 uint32_t tmp; 446 int i, j; 447 448 for_each_inst(j, mid_mask) { 449 hub = &adev->vmhub[AMDGPU_MMHUB0(j)]; 450 for (i = 0; i <= 14; i++) { 451 tmp = RREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), 452 regMMVM_CONTEXT1_CNTL, 453 i * hub->ctx_distance); 454 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 455 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 456 adev->vm_manager.num_level); 457 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 458 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 459 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 460 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 461 1); 462 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 463 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 464 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 465 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 466 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 467 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 468 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 469 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 470 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 471 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 472 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 473 PAGE_TABLE_BLOCK_SIZE, 474 adev->vm_manager.block_size - 9); 475 /* Send no-retry XNACK on fault to suppress VM fault storm. */ 476 tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, 477 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 478 !amdgpu_noretry); 479 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), regMMVM_CONTEXT1_CNTL, 480 i * hub->ctx_distance, tmp); 481 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, 482 i * hub->ctx_addr_distance, 0); 483 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, 484 i * hub->ctx_addr_distance, 0); 485 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, 486 i * hub->ctx_addr_distance, 487 lower_32_bits(adev->vm_manager.max_pfn - 1)); 488 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, 489 i * hub->ctx_addr_distance, 490 upper_32_bits(adev->vm_manager.max_pfn - 1)); 491 } 492 } 493 494 hub->vm_cntx_cntl = tmp; 495 } 496 497 static void mmhub_v4_2_0_mid_program_invalidation(struct amdgpu_device *adev, 498 uint32_t mid_mask) 499 { 500 struct amdgpu_vmhub *hub; 501 unsigned int i, j; 502 503 for_each_inst(j, mid_mask) { 504 hub = &adev->vmhub[AMDGPU_MMHUB0(j)]; 505 506 for (i = 0; i < 18; ++i) { 507 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), 508 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, 509 i * hub->eng_addr_distance, 0xffffffff); 510 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), 511 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, 512 i * hub->eng_addr_distance, 0x3fff); 513 } 514 } 515 } 516 517 static int mmhub_v4_2_0_mid_gart_enable(struct amdgpu_device *adev, 518 uint32_t mid_mask) 519 { 520 /* GART Enable. */ 521 mmhub_v4_2_0_mid_init_gart_aperture_regs(adev, mid_mask); 522 mmhub_v4_2_0_mid_init_system_aperture_regs(adev, mid_mask); 523 mmhub_v4_2_0_mid_init_tlb_regs(adev, mid_mask); 524 mmhub_v4_2_0_mid_init_cache_regs(adev, mid_mask); 525 526 mmhub_v4_2_0_mid_enable_system_domain(adev, mid_mask); 527 mmhub_v4_2_0_mid_disable_identity_aperture(adev, mid_mask); 528 mmhub_v4_2_0_mid_setup_vmid_config(adev, mid_mask); 529 mmhub_v4_2_0_mid_program_invalidation(adev, mid_mask); 530 531 return 0; 532 } 533 static int mmhub_v4_2_0_gart_enable(struct amdgpu_device *adev) 534 { 535 uint32_t mid_mask; 536 537 mid_mask = adev->aid_mask; 538 return mmhub_v4_2_0_mid_gart_enable(adev, mid_mask); 539 } 540 541 static void mmhub_v4_2_0_mid_gart_disable(struct amdgpu_device *adev, 542 uint32_t mid_mask) 543 { 544 struct amdgpu_vmhub *hub; 545 u32 tmp; 546 u32 i, j; 547 548 for_each_inst(j, mid_mask) { 549 hub = &adev->vmhub[AMDGPU_MMHUB0(j)]; 550 /* Disable all tables */ 551 for (i = 0; i < 16; i++) 552 WREG32_SOC15_OFFSET(MMHUB, GET_INST(MMHUB, j), 553 regMMVM_CONTEXT0_CNTL, 554 i * hub->ctx_distance, 0); 555 556 /* Setup TLB control */ 557 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, j), 558 regMMMC_VM_MX_L1_TLB_CNTL); 559 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 560 ENABLE_L1_TLB, 0); 561 tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, 562 ENABLE_ADVANCED_DRIVER_MODEL, 0); 563 WREG32_SOC15(MMHUB, GET_INST(MMHUB, j), 564 regMMMC_VM_MX_L1_TLB_CNTL, tmp); 565 566 /* Setup L2 cache */ 567 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, j), regMMVM_L2_CNTL); 568 tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); 569 WREG32_SOC15(MMHUB, GET_INST(MMHUB, j), regMMVM_L2_CNTL, tmp); 570 WREG32_SOC15(MMHUB, GET_INST(MMHUB, j), regMMVM_L2_CNTL3, 0); 571 } 572 } 573 574 static void mmhub_v4_2_0_gart_disable(struct amdgpu_device *adev) 575 { 576 uint32_t mid_mask; 577 578 mid_mask = adev->aid_mask; 579 mmhub_v4_2_0_mid_gart_disable(adev, mid_mask); 580 } 581 582 static void 583 mmhub_v4_2_0_mid_set_fault_enable_default(struct amdgpu_device *adev, 584 bool value, uint32_t mid_mask) 585 { 586 u32 tmp; 587 int i; 588 589 /* These registers are not accessible to VF-SRIOV. 590 * The PF will program them instead. 591 */ 592 if (amdgpu_sriov_vf(adev)) 593 return; 594 595 for_each_inst(i, mid_mask) { 596 tmp = RREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 597 regMMVM_L2_PROTECTION_FAULT_CNTL_LO32); 598 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 599 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 600 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 601 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 602 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 603 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); 604 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 605 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); 606 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 607 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, 608 value); 609 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 610 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); 611 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 612 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 613 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 614 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 615 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 616 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 617 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 618 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 619 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 620 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 621 if (!value) { 622 tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL_LO32, 623 CRASH_ON_NO_RETRY_FAULT, 1); 624 } 625 WREG32_SOC15(MMHUB, GET_INST(MMHUB, i), 626 regMMVM_L2_PROTECTION_FAULT_CNTL_LO32, tmp); 627 } 628 } 629 630 631 /** 632 * mmhub_v4_2_0_set_fault_enable_default - update GART/VM fault handling 633 * 634 * @adev: amdgpu_device pointer 635 * @value: true redirects VM faults to the default page 636 */ 637 static void 638 mmhub_v4_2_0_set_fault_enable_default(struct amdgpu_device *adev, 639 bool value) 640 { 641 uint32_t mid_mask; 642 643 mid_mask = adev->aid_mask; 644 mmhub_v4_2_0_mid_set_fault_enable_default(adev, value, mid_mask); 645 } 646 647 static uint32_t mmhub_v4_2_0_get_invalidate_req(unsigned int vmid, 648 uint32_t flush_type) 649 { 650 u32 req = 0; 651 652 /* invalidate using legacy mode on vmid*/ 653 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 654 PER_VMID_INVALIDATE_REQ, 1 << vmid); 655 /* Only use legacy inv on mmhub side */ 656 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0); 657 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); 658 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); 659 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); 660 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); 661 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE3, 1); 662 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); 663 req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, 664 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); 665 666 return req; 667 } 668 669 /*TODO: l2 protection fault status is increased to 64bits. 670 * some critical fields like FED are moved to STATUS_HI32 */ 671 static void 672 mmhub_v4_2_0_print_l2_protection_fault_status(struct amdgpu_device *adev, 673 uint32_t status) 674 { 675 uint32_t cid, rw; 676 const char *mmhub_cid = NULL; 677 678 cid = REG_GET_FIELD(status, 679 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, CID); 680 rw = REG_GET_FIELD(status, 681 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, RW); 682 683 dev_err(adev->dev, 684 "MMVM_L2_PROTECTION_FAULT_STATUS_LO32:0x%08X\n", 685 status); 686 switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) { 687 case IP_VERSION(4, 2, 0): 688 mmhub_cid = mmhub_client_ids_v4_2_0[cid][rw]; 689 break; 690 default: 691 mmhub_cid = NULL; 692 break; 693 } 694 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", 695 mmhub_cid ? mmhub_cid : "unknown", cid); 696 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", 697 REG_GET_FIELD(status, 698 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, MORE_FAULTS)); 699 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", 700 REG_GET_FIELD(status, 701 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, WALKER_ERROR)); 702 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", 703 REG_GET_FIELD(status, 704 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, PERMISSION_FAULTS)); 705 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", 706 REG_GET_FIELD(status, 707 MMVM_L2_PROTECTION_FAULT_STATUS_LO32, MAPPING_ERROR)); 708 dev_err(adev->dev, "\t RW: 0x%x\n", rw); 709 } 710 711 712 static const struct amdgpu_vmhub_funcs mmhub_v4_2_0_vmhub_funcs = { 713 .print_l2_protection_fault_status = mmhub_v4_2_0_print_l2_protection_fault_status, 714 .get_invalidate_req = mmhub_v4_2_0_get_invalidate_req, 715 }; 716 717 static void mmhub_v4_2_0_mid_init(struct amdgpu_device *adev, 718 uint32_t mid_mask) 719 { 720 struct amdgpu_vmhub *hub; 721 int i; 722 723 for_each_inst(i, mid_mask) { 724 hub = &adev->vmhub[AMDGPU_MMHUB0(i)]; 725 726 hub->ctx0_ptb_addr_lo32 = 727 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 728 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); 729 hub->ctx0_ptb_addr_hi32 = 730 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 731 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); 732 hub->vm_inv_eng0_sem = 733 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 734 regMMVM_INVALIDATE_ENG0_SEM); 735 hub->vm_inv_eng0_req = 736 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 737 regMMVM_INVALIDATE_ENG0_REQ); 738 hub->vm_inv_eng0_ack = 739 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 740 regMMVM_INVALIDATE_ENG0_ACK); 741 hub->vm_context0_cntl = 742 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 743 regMMVM_CONTEXT0_CNTL); 744 /* TODO: add a new member to accomandate additional fault status/cntl reg */ 745 hub->vm_l2_pro_fault_status = 746 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 747 regMMVM_L2_PROTECTION_FAULT_STATUS_LO32); 748 hub->vm_l2_pro_fault_cntl = 749 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), 750 regMMVM_L2_PROTECTION_FAULT_CNTL_LO32); 751 752 hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL; 753 hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - 754 regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; 755 hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ - 756 regMMVM_INVALIDATE_ENG0_REQ; 757 hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - 758 regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; 759 760 hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 761 MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 762 MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 763 MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 764 MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 765 MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 766 MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; 767 768 hub->vm_l2_bank_select_reserved_cid2 = 769 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), regMMVM_L2_BANK_SELECT_RESERVED_CID2); 770 771 hub->vm_contexts_disable = 772 SOC15_REG_OFFSET(MMHUB, GET_INST(MMHUB, i), regMMVM_CONTEXTS_DISABLE); 773 774 hub->vmhub_funcs = &mmhub_v4_2_0_vmhub_funcs; 775 } 776 } 777 778 static void mmhub_v4_2_0_init(struct amdgpu_device *adev) 779 { 780 uint32_t mid_mask; 781 782 mid_mask = adev->aid_mask; 783 mmhub_v4_2_0_mid_init(adev, mid_mask); 784 } 785 786 static void 787 mmhub_v4_2_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, 788 bool enable) 789 { 790 uint32_t def, data; 791 uint32_t def1, data1, def2 = 0, data2 = 0; 792 def = data = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regMM_ATC_L2_MISC_CG); 793 def1 = data1 = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regDAGB0_CNTL_MISC2); 794 def2 = data2 = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regDAGB1_CNTL_MISC2); 795 796 if (enable) { 797 data |= MM_ATC_L2_MISC_CG__ENABLE_MASK; 798 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK | 799 DAGB0_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK); 800 801 data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK | 802 DAGB1_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK); 803 } else { 804 data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK; 805 data1 |= (DAGB0_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK | 806 DAGB0_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK); 807 808 data2 |= (DAGB1_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK | 809 DAGB1_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK); 810 } 811 812 if (def != data) 813 WREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regMM_ATC_L2_MISC_CG, data); 814 if (def1 != data1) 815 WREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regDAGB0_CNTL_MISC2, data1); 816 817 if (def2 != data2) 818 WREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regDAGB1_CNTL_MISC2, data2); 819 } 820 821 static void 822 mmhub_v4_2_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, 823 bool enable) 824 { 825 uint32_t def, data; 826 827 def = data = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regMM_ATC_L2_MISC_CG); 828 829 if (enable) 830 data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; 831 else 832 data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; 833 834 if (def != data) 835 WREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regMM_ATC_L2_MISC_CG, data); 836 } 837 838 static int mmhub_v4_2_0_set_clockgating(struct amdgpu_device *adev, 839 enum amd_clockgating_state state) 840 { 841 if (amdgpu_sriov_vf(adev)) 842 return 0; 843 844 if (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG) 845 mmhub_v4_2_0_update_medium_grain_clock_gating(adev, 846 state == AMD_CG_STATE_GATE); 847 848 if (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) 849 mmhub_v4_2_0_update_medium_grain_light_sleep(adev, 850 state == AMD_CG_STATE_GATE); 851 852 return 0; 853 } 854 855 static void mmhub_v4_2_0_get_clockgating(struct amdgpu_device *adev, u64 *flags) 856 { 857 int data; 858 859 if (amdgpu_sriov_vf(adev)) 860 *flags = 0; 861 862 data = RREG32_SOC15(MMHUB, GET_INST(MMHUB, 0), regMM_ATC_L2_MISC_CG); 863 864 /* AMD_CG_SUPPORT_MC_MGCG */ 865 if (data & MM_ATC_L2_MISC_CG__ENABLE_MASK) 866 *flags |= AMD_CG_SUPPORT_MC_MGCG; 867 868 /* AMD_CG_SUPPORT_MC_LS */ 869 if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) 870 *flags |= AMD_CG_SUPPORT_MC_LS; 871 } 872 873 const struct amdgpu_mmhub_funcs mmhub_v4_2_0_funcs = { 874 .init = mmhub_v4_2_0_init, 875 .get_fb_location = mmhub_v4_2_0_get_fb_location, 876 .get_mc_fb_offset = mmhub_v4_2_0_get_mc_fb_offset, 877 .setup_vm_pt_regs = mmhub_v4_2_0_setup_vm_pt_regs, 878 .gart_enable = mmhub_v4_2_0_gart_enable, 879 .gart_disable = mmhub_v4_2_0_gart_disable, 880 .set_fault_enable_default = mmhub_v4_2_0_set_fault_enable_default, 881 .set_clockgating = mmhub_v4_2_0_set_clockgating, 882 .get_clockgating = mmhub_v4_2_0_get_clockgating, 883 }; 884 885 static int mmhub_v4_2_0_xcp_resume(void *handle, uint32_t inst_mask) 886 { 887 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 888 bool value; 889 890 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 891 value = false; 892 else 893 value = true; 894 895 mmhub_v4_2_0_mid_set_fault_enable_default(adev, value, inst_mask); 896 897 if (!amdgpu_sriov_vf(adev)) 898 return mmhub_v4_2_0_mid_gart_enable(adev, inst_mask); 899 900 return 0; 901 } 902 903 static int mmhub_v4_2_0_xcp_suspend(void *handle, uint32_t inst_mask) 904 { 905 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 906 907 if (!amdgpu_sriov_vf(adev)) 908 mmhub_v4_2_0_mid_gart_disable(adev, inst_mask); 909 910 return 0; 911 } 912 913 struct amdgpu_xcp_ip_funcs mmhub_v4_2_0_xcp_funcs = { 914 .suspend = &mmhub_v4_2_0_xcp_suspend, 915 .resume = &mmhub_v4_2_0_xcp_resume 916 }; 917