drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <linux/firmware.h>
  25 #include <linux/pci.h>
  26
  27 #include <drm/drm_cache.h>
  28
  29 #include "amdgpu.h"
  30 #include "gmc_v9_0.h"
  31 #include "amdgpu_atomfirmware.h"
  32 #include "amdgpu_gem.h"
  33
  34 #include "gc/gc_9_0_sh_mask.h"
  35 #include "dce/dce_12_0_offset.h"
  36 #include "dce/dce_12_0_sh_mask.h"
  37 #include "vega10_enum.h"
  38 #include "mmhub/mmhub_1_0_offset.h"
  39 #include "athub/athub_1_0_sh_mask.h"
  40 #include "athub/athub_1_0_offset.h"
  41 #include "oss/osssys_4_0_offset.h"
  42
  43 #include "soc15.h"
  44 #include "soc15d.h"
  45 #include "soc15_common.h"
  46 #include "umc/umc_6_0_sh_mask.h"
  47
  48 #include "gfxhub_v1_0.h"
  49 #include "mmhub_v1_0.h"
  50 #include "athub_v1_0.h"
  51 #include "gfxhub_v1_1.h"
  52 #include "mmhub_v9_4.h"
  53 #include "mmhub_v1_7.h"
  54 #include "umc_v6_1.h"
  55 #include "umc_v6_0.h"
  56 #include "umc_v6_7.h"
  57 #include "hdp_v4_0.h"
  58 #include "mca_v3_0.h"
  59
  60 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
  61
  62 #include "amdgpu_ras.h"
  63 #include "amdgpu_xgmi.h"
  64
  65 #include "amdgpu_reset.h"
  66
  67 /* add these here since we already include dce12 headers and these are for DCN */
  68 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION                                                          0x055d
  69 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX                                                 2
  70 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT                                        0x0
  71 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT                                       0x10
  72 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK                                          0x00003FFFL
  73 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK                                         0x3FFF0000L
  74 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0                                                                  0x049d
  75 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX                                                         2
  76
  77 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2                                                          0x05ea
  78 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2_BASE_IDX                                                 2
  79
  80
  81 static const char *gfxhub_client_ids[] = {
  82         "CB",
  83         "DB",
  84         "IA",
  85         "WD",
  86         "CPF",
  87         "CPC",
  88         "CPG",
  89         "RLC",
  90         "TCP",
  91         "SQC (inst)",
  92         "SQC (data)",
  93         "SQG",
  94         "PA",
  95 };
  96
  97 static const char *mmhub_client_ids_raven[][2] = {
  98         [0][0] = "MP1",
  99         [1][0] = "MP0",
 100         [2][0] = "VCN",
 101         [3][0] = "VCNU",
 102         [4][0] = "HDP",
 103         [5][0] = "DCE",
 104         [13][0] = "UTCL2",
 105         [19][0] = "TLS",
 106         [26][0] = "OSS",
 107         [27][0] = "SDMA0",
 108         [0][1] = "MP1",
 109         [1][1] = "MP0",
 110         [2][1] = "VCN",
 111         [3][1] = "VCNU",
 112         [4][1] = "HDP",
 113         [5][1] = "XDP",
 114         [6][1] = "DBGU0",
 115         [7][1] = "DCE",
 116         [8][1] = "DCEDWB0",
 117         [9][1] = "DCEDWB1",
 118         [26][1] = "OSS",
 119         [27][1] = "SDMA0",
 120 };
 121
 122 static const char *mmhub_client_ids_renoir[][2] = {
 123         [0][0] = "MP1",
 124         [1][0] = "MP0",
 125         [2][0] = "HDP",
 126         [4][0] = "DCEDMC",
 127         [5][0] = "DCEVGA",
 128         [13][0] = "UTCL2",
 129         [19][0] = "TLS",
 130         [26][0] = "OSS",
 131         [27][0] = "SDMA0",
 132         [28][0] = "VCN",
 133         [29][0] = "VCNU",
 134         [30][0] = "JPEG",
 135         [0][1] = "MP1",
 136         [1][1] = "MP0",
 137         [2][1] = "HDP",
 138         [3][1] = "XDP",
 139         [6][1] = "DBGU0",
 140         [7][1] = "DCEDMC",
 141         [8][1] = "DCEVGA",
 142         [9][1] = "DCEDWB",
 143         [26][1] = "OSS",
 144         [27][1] = "SDMA0",
 145         [28][1] = "VCN",
 146         [29][1] = "VCNU",
 147         [30][1] = "JPEG",
 148 };
 149
 150 static const char *mmhub_client_ids_vega10[][2] = {
 151         [0][0] = "MP0",
 152         [1][0] = "UVD",
 153         [2][0] = "UVDU",
 154         [3][0] = "HDP",
 155         [13][0] = "UTCL2",
 156         [14][0] = "OSS",
 157         [15][0] = "SDMA1",
 158         [32+0][0] = "VCE0",
 159         [32+1][0] = "VCE0U",
 160         [32+2][0] = "XDMA",
 161         [32+3][0] = "DCE",
 162         [32+4][0] = "MP1",
 163         [32+14][0] = "SDMA0",
 164         [0][1] = "MP0",
 165         [1][1] = "UVD",
 166         [2][1] = "UVDU",
 167         [3][1] = "DBGU0",
 168         [4][1] = "HDP",
 169         [5][1] = "XDP",
 170         [14][1] = "OSS",
 171         [15][1] = "SDMA0",
 172         [32+0][1] = "VCE0",
 173         [32+1][1] = "VCE0U",
 174         [32+2][1] = "XDMA",
 175         [32+3][1] = "DCE",
 176         [32+4][1] = "DCEDWB",
 177         [32+5][1] = "MP1",
 178         [32+6][1] = "DBGU1",
 179         [32+14][1] = "SDMA1",
 180 };
 181
 182 static const char *mmhub_client_ids_vega12[][2] = {
 183         [0][0] = "MP0",
 184         [1][0] = "VCE0",
 185         [2][0] = "VCE0U",
 186         [3][0] = "HDP",
 187         [13][0] = "UTCL2",
 188         [14][0] = "OSS",
 189         [15][0] = "SDMA1",
 190         [32+0][0] = "DCE",
 191         [32+1][0] = "XDMA",
 192         [32+2][0] = "UVD",
 193         [32+3][0] = "UVDU",
 194         [32+4][0] = "MP1",
 195         [32+15][0] = "SDMA0",
 196         [0][1] = "MP0",
 197         [1][1] = "VCE0",
 198         [2][1] = "VCE0U",
 199         [3][1] = "DBGU0",
 200         [4][1] = "HDP",
 201         [5][1] = "XDP",
 202         [14][1] = "OSS",
 203         [15][1] = "SDMA0",
 204         [32+0][1] = "DCE",
 205         [32+1][1] = "DCEDWB",
 206         [32+2][1] = "XDMA",
 207         [32+3][1] = "UVD",
 208         [32+4][1] = "UVDU",
 209         [32+5][1] = "MP1",
 210         [32+6][1] = "DBGU1",
 211         [32+15][1] = "SDMA1",
 212 };
 213
 214 static const char *mmhub_client_ids_vega20[][2] = {
 215         [0][0] = "XDMA",
 216         [1][0] = "DCE",
 217         [2][0] = "VCE0",
 218         [3][0] = "VCE0U",
 219         [4][0] = "UVD",
 220         [5][0] = "UVD1U",
 221         [13][0] = "OSS",
 222         [14][0] = "HDP",
 223         [15][0] = "SDMA0",
 224         [32+0][0] = "UVD",
 225         [32+1][0] = "UVDU",
 226         [32+2][0] = "MP1",
 227         [32+3][0] = "MP0",
 228         [32+12][0] = "UTCL2",
 229         [32+14][0] = "SDMA1",
 230         [0][1] = "XDMA",
 231         [1][1] = "DCE",
 232         [2][1] = "DCEDWB",
 233         [3][1] = "VCE0",
 234         [4][1] = "VCE0U",
 235         [5][1] = "UVD1",
 236         [6][1] = "UVD1U",
 237         [7][1] = "DBGU0",
 238         [8][1] = "XDP",
 239         [13][1] = "OSS",
 240         [14][1] = "HDP",
 241         [15][1] = "SDMA0",
 242         [32+0][1] = "UVD",
 243         [32+1][1] = "UVDU",
 244         [32+2][1] = "DBGU1",
 245         [32+3][1] = "MP1",
 246         [32+4][1] = "MP0",
 247         [32+14][1] = "SDMA1",
 248 };
 249
 250 static const char *mmhub_client_ids_arcturus[][2] = {
 251         [0][0] = "DBGU1",
 252         [1][0] = "XDP",
 253         [2][0] = "MP1",
 254         [14][0] = "HDP",
 255         [171][0] = "JPEG",
 256         [172][0] = "VCN",
 257         [173][0] = "VCNU",
 258         [203][0] = "JPEG1",
 259         [204][0] = "VCN1",
 260         [205][0] = "VCN1U",
 261         [256][0] = "SDMA0",
 262         [257][0] = "SDMA1",
 263         [258][0] = "SDMA2",
 264         [259][0] = "SDMA3",
 265         [260][0] = "SDMA4",
 266         [261][0] = "SDMA5",
 267         [262][0] = "SDMA6",
 268         [263][0] = "SDMA7",
 269         [384][0] = "OSS",
 270         [0][1] = "DBGU1",
 271         [1][1] = "XDP",
 272         [2][1] = "MP1",
 273         [14][1] = "HDP",
 274         [171][1] = "JPEG",
 275         [172][1] = "VCN",
 276         [173][1] = "VCNU",
 277         [203][1] = "JPEG1",
 278         [204][1] = "VCN1",
 279         [205][1] = "VCN1U",
 280         [256][1] = "SDMA0",
 281         [257][1] = "SDMA1",
 282         [258][1] = "SDMA2",
 283         [259][1] = "SDMA3",
 284         [260][1] = "SDMA4",
 285         [261][1] = "SDMA5",
 286         [262][1] = "SDMA6",
 287         [263][1] = "SDMA7",
 288         [384][1] = "OSS",
 289 };
 290
 291 static const char *mmhub_client_ids_aldebaran[][2] = {
 292         [2][0] = "MP1",
 293         [3][0] = "MP0",
 294         [32+1][0] = "DBGU_IO0",
 295         [32+2][0] = "DBGU_IO2",
 296         [32+4][0] = "MPIO",
 297         [96+11][0] = "JPEG0",
 298         [96+12][0] = "VCN0",
 299         [96+13][0] = "VCNU0",
 300         [128+11][0] = "JPEG1",
 301         [128+12][0] = "VCN1",
 302         [128+13][0] = "VCNU1",
 303         [160+1][0] = "XDP",
 304         [160+14][0] = "HDP",
 305         [256+0][0] = "SDMA0",
 306         [256+1][0] = "SDMA1",
 307         [256+2][0] = "SDMA2",
 308         [256+3][0] = "SDMA3",
 309         [256+4][0] = "SDMA4",
 310         [384+0][0] = "OSS",
 311         [2][1] = "MP1",
 312         [3][1] = "MP0",
 313         [32+1][1] = "DBGU_IO0",
 314         [32+2][1] = "DBGU_IO2",
 315         [32+4][1] = "MPIO",
 316         [96+11][1] = "JPEG0",
 317         [96+12][1] = "VCN0",
 318         [96+13][1] = "VCNU0",
 319         [128+11][1] = "JPEG1",
 320         [128+12][1] = "VCN1",
 321         [128+13][1] = "VCNU1",
 322         [160+1][1] = "XDP",
 323         [160+14][1] = "HDP",
 324         [256+0][1] = "SDMA0",
 325         [256+1][1] = "SDMA1",
 326         [256+2][1] = "SDMA2",
 327         [256+3][1] = "SDMA3",
 328         [256+4][1] = "SDMA4",
 329         [384+0][1] = "OSS",
 330 };
 331
 332 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] =
 333 {
 334         SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa),
 335         SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565)
 336 };
 337
 338 static const struct soc15_reg_golden golden_settings_athub_1_0_0[] =
 339 {
 340         SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800),
 341         SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008)
 342 };
 343
 344 static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
 345         (0x000143c0 + 0x00000000),
 346         (0x000143c0 + 0x00000800),
 347         (0x000143c0 + 0x00001000),
 348         (0x000143c0 + 0x00001800),
 349         (0x000543c0 + 0x00000000),
 350         (0x000543c0 + 0x00000800),
 351         (0x000543c0 + 0x00001000),
 352         (0x000543c0 + 0x00001800),
 353         (0x000943c0 + 0x00000000),
 354         (0x000943c0 + 0x00000800),
 355         (0x000943c0 + 0x00001000),
 356         (0x000943c0 + 0x00001800),
 357         (0x000d43c0 + 0x00000000),
 358         (0x000d43c0 + 0x00000800),
 359         (0x000d43c0 + 0x00001000),
 360         (0x000d43c0 + 0x00001800),
 361         (0x001143c0 + 0x00000000),
 362         (0x001143c0 + 0x00000800),
 363         (0x001143c0 + 0x00001000),
 364         (0x001143c0 + 0x00001800),
 365         (0x001543c0 + 0x00000000),
 366         (0x001543c0 + 0x00000800),
 367         (0x001543c0 + 0x00001000),
 368         (0x001543c0 + 0x00001800),
 369         (0x001943c0 + 0x00000000),
 370         (0x001943c0 + 0x00000800),
 371         (0x001943c0 + 0x00001000),
 372         (0x001943c0 + 0x00001800),
 373         (0x001d43c0 + 0x00000000),
 374         (0x001d43c0 + 0x00000800),
 375         (0x001d43c0 + 0x00001000),
 376         (0x001d43c0 + 0x00001800),
 377 };
 378
 379 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
 380         (0x000143e0 + 0x00000000),
 381         (0x000143e0 + 0x00000800),
 382         (0x000143e0 + 0x00001000),
 383         (0x000143e0 + 0x00001800),
 384         (0x000543e0 + 0x00000000),
 385         (0x000543e0 + 0x00000800),
 386         (0x000543e0 + 0x00001000),
 387         (0x000543e0 + 0x00001800),
 388         (0x000943e0 + 0x00000000),
 389         (0x000943e0 + 0x00000800),
 390         (0x000943e0 + 0x00001000),
 391         (0x000943e0 + 0x00001800),
 392         (0x000d43e0 + 0x00000000),
 393         (0x000d43e0 + 0x00000800),
 394         (0x000d43e0 + 0x00001000),
 395         (0x000d43e0 + 0x00001800),
 396         (0x001143e0 + 0x00000000),
 397         (0x001143e0 + 0x00000800),
 398         (0x001143e0 + 0x00001000),
 399         (0x001143e0 + 0x00001800),
 400         (0x001543e0 + 0x00000000),
 401         (0x001543e0 + 0x00000800),
 402         (0x001543e0 + 0x00001000),
 403         (0x001543e0 + 0x00001800),
 404         (0x001943e0 + 0x00000000),
 405         (0x001943e0 + 0x00000800),
 406         (0x001943e0 + 0x00001000),
 407         (0x001943e0 + 0x00001800),
 408         (0x001d43e0 + 0x00000000),
 409         (0x001d43e0 + 0x00000800),
 410         (0x001d43e0 + 0x00001000),
 411         (0x001d43e0 + 0x00001800),
 412 };
 413
 414 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
 415                 struct amdgpu_irq_src *src,
 416                 unsigned type,
 417                 enum amdgpu_interrupt_state state)
 418 {
 419         u32 bits, i, tmp, reg;
 420
 421         /* Devices newer then VEGA10/12 shall have these programming
 422              sequences performed by PSP BL */
 423         if (adev->asic_type >= CHIP_VEGA20)
 424                 return 0;
 425
 426         bits = 0x7f;
 427
 428         switch (state) {
 429         case AMDGPU_IRQ_STATE_DISABLE:
 430                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
 431                         reg = ecc_umc_mcumc_ctrl_addrs[i];
 432                         tmp = RREG32(reg);
 433                         tmp &= ~bits;
 434                         WREG32(reg, tmp);
 435                 }
 436                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
 437                         reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
 438                         tmp = RREG32(reg);
 439                         tmp &= ~bits;
 440                         WREG32(reg, tmp);
 441                 }
 442                 break;
 443         case AMDGPU_IRQ_STATE_ENABLE:
 444                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
 445                         reg = ecc_umc_mcumc_ctrl_addrs[i];
 446                         tmp = RREG32(reg);
 447                         tmp |= bits;
 448                         WREG32(reg, tmp);
 449                 }
 450                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
 451                         reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
 452                         tmp = RREG32(reg);
 453                         tmp |= bits;
 454                         WREG32(reg, tmp);
 455                 }
 456                 break;
 457         default:
 458                 break;
 459         }
 460
 461         return 0;
 462 }
 463
 464 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
 465                                         struct amdgpu_irq_src *src,
 466                                         unsigned type,
 467                                         enum amdgpu_interrupt_state state)
 468 {
 469         struct amdgpu_vmhub *hub;
 470         u32 tmp, reg, bits, i, j;
 471
 472         bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 473                 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 474                 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 475                 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 476                 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 477                 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 478                 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
 479
 480         switch (state) {
 481         case AMDGPU_IRQ_STATE_DISABLE:
 482                 for (j = 0; j < adev->num_vmhubs; j++) {
 483                         hub = &adev->vmhub[j];
 484                         for (i = 0; i < 16; i++) {
 485                                 reg = hub->vm_context0_cntl + i;
 486
 487                                 if (j == AMDGPU_GFXHUB_0)
 488                                         tmp = RREG32_SOC15_IP(GC, reg);
 489                                 else
 490                                         tmp = RREG32_SOC15_IP(MMHUB, reg);
 491
 492                                 tmp &= ~bits;
 493
 494                                 if (j == AMDGPU_GFXHUB_0)
 495                                         WREG32_SOC15_IP(GC, reg, tmp);
 496                                 else
 497                                         WREG32_SOC15_IP(MMHUB, reg, tmp);
 498                         }
 499                 }
 500                 break;
 501         case AMDGPU_IRQ_STATE_ENABLE:
 502                 for (j = 0; j < adev->num_vmhubs; j++) {
 503                         hub = &adev->vmhub[j];
 504                         for (i = 0; i < 16; i++) {
 505                                 reg = hub->vm_context0_cntl + i;
 506
 507                                 if (j == AMDGPU_GFXHUB_0)
 508                                         tmp = RREG32_SOC15_IP(GC, reg);
 509                                 else
 510                                         tmp = RREG32_SOC15_IP(MMHUB, reg);
 511
 512                                 tmp |= bits;
 513
 514                                 if (j == AMDGPU_GFXHUB_0)
 515                                         WREG32_SOC15_IP(GC, reg, tmp);
 516                                 else
 517                                         WREG32_SOC15_IP(MMHUB, reg, tmp);
 518                         }
 519                 }
 520                 break;
 521         default:
 522                 break;
 523         }
 524
 525         return 0;
 526 }
 527
 528 static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
 529                                       struct amdgpu_irq_src *source,
 530                                       struct amdgpu_iv_entry *entry)
 531 {
 532         bool retry_fault = !!(entry->src_data[1] & 0x80);
 533         bool write_fault = !!(entry->src_data[1] & 0x20);
 534         uint32_t status = 0, cid = 0, rw = 0;
 535         struct amdgpu_task_info task_info;
 536         struct amdgpu_vmhub *hub;
 537         const char *mmhub_cid;
 538         const char *hub_name;
 539         u64 addr;
 540
 541         addr = (u64)entry->src_data[0] << 12;
 542         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
 543
 544         if (retry_fault) {
 545                 /* Returning 1 here also prevents sending the IV to the KFD */
 546
 547                 /* Process it onyl if it's the first fault for this address */
 548                 if (entry->ih != &adev->irq.ih_soft &&
 549                     amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
 550                                              entry->timestamp))
 551                         return 1;
 552
 553                 /* Delegate it to a different ring if the hardware hasn't
 554                  * already done it.
 555                  */
 556                 if (entry->ih == &adev->irq.ih) {
 557                         amdgpu_irq_delegate(adev, entry, 8);
 558                         return 1;
 559                 }
 560
 561                 /* Try to handle the recoverable page faults by filling page
 562                  * tables
 563                  */
 564                 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault))
 565                         return 1;
 566         }
 567
 568         if (!printk_ratelimit())
 569                 return 0;
 570
 571         if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
 572                 hub_name = "mmhub0";
 573                 hub = &adev->vmhub[AMDGPU_MMHUB_0];
 574         } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
 575                 hub_name = "mmhub1";
 576                 hub = &adev->vmhub[AMDGPU_MMHUB_1];
 577         } else {
 578                 hub_name = "gfxhub0";
 579                 hub = &adev->vmhub[AMDGPU_GFXHUB_0];
 580         }
 581
 582         memset(&task_info, 0, sizeof(struct amdgpu_task_info));
 583         amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
 584
 585         dev_err(adev->dev,
 586                 "[%s] %s page fault (src_id:%u ring:%u vmid:%u "
 587                 "pasid:%u, for process %s pid %d thread %s pid %d)\n",
 588                 hub_name, retry_fault ? "retry" : "no-retry",
 589                 entry->src_id, entry->ring_id, entry->vmid,
 590                 entry->pasid, task_info.process_name, task_info.tgid,
 591                 task_info.task_name, task_info.pid);
 592         dev_err(adev->dev, "  in page starting at address 0x%016llx from IH client 0x%x (%s)\n",
 593                 addr, entry->client_id,
 594                 soc15_ih_clientid_name[entry->client_id]);
 595
 596         if (amdgpu_sriov_vf(adev))
 597                 return 0;
 598
 599         /*
 600          * Issue a dummy read to wait for the status register to
 601          * be updated to avoid reading an incorrect value due to
 602          * the new fast GRBM interface.
 603          */
 604         if ((entry->vmid_src == AMDGPU_GFXHUB_0) &&
 605             (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
 606                 RREG32(hub->vm_l2_pro_fault_status);
 607
 608         status = RREG32(hub->vm_l2_pro_fault_status);
 609         cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID);
 610         rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW);
 611         WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
 612
 613
 614         dev_err(adev->dev,
 615                 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
 616                 status);
 617         if (hub == &adev->vmhub[AMDGPU_GFXHUB_0]) {
 618                 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
 619                         cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
 620                         gfxhub_client_ids[cid],
 621                         cid);
 622         } else {
 623                 switch (adev->ip_versions[MMHUB_HWIP][0]) {
 624                 case IP_VERSION(9, 0, 0):
 625                         mmhub_cid = mmhub_client_ids_vega10[cid][rw];
 626                         break;
 627                 case IP_VERSION(9, 3, 0):
 628                         mmhub_cid = mmhub_client_ids_vega12[cid][rw];
 629                         break;
 630                 case IP_VERSION(9, 4, 0):
 631                         mmhub_cid = mmhub_client_ids_vega20[cid][rw];
 632                         break;
 633                 case IP_VERSION(9, 4, 1):
 634                         mmhub_cid = mmhub_client_ids_arcturus[cid][rw];
 635                         break;
 636                 case IP_VERSION(9, 1, 0):
 637                 case IP_VERSION(9, 2, 0):
 638                         mmhub_cid = mmhub_client_ids_raven[cid][rw];
 639                         break;
 640                 case IP_VERSION(1, 5, 0):
 641                 case IP_VERSION(2, 4, 0):
 642                         mmhub_cid = mmhub_client_ids_renoir[cid][rw];
 643                         break;
 644                 case IP_VERSION(9, 4, 2):
 645                         mmhub_cid = mmhub_client_ids_aldebaran[cid][rw];
 646                         break;
 647                 default:
 648                         mmhub_cid = NULL;
 649                         break;
 650                 }
 651                 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
 652                         mmhub_cid ? mmhub_cid : "unknown", cid);
 653         }
 654         dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
 655                 REG_GET_FIELD(status,
 656                 VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
 657         dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
 658                 REG_GET_FIELD(status,
 659                 VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
 660         dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
 661                 REG_GET_FIELD(status,
 662                 VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
 663         dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
 664                 REG_GET_FIELD(status,
 665                 VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
 666         dev_err(adev->dev, "\t RW: 0x%x\n", rw);
 667         return 0;
 668 }
 669
 670 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
 671         .set = gmc_v9_0_vm_fault_interrupt_state,
 672         .process = gmc_v9_0_process_interrupt,
 673 };
 674
 675
 676 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
 677         .set = gmc_v9_0_ecc_interrupt_state,
 678         .process = amdgpu_umc_process_ecc_irq,
 679 };
 680
 681 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
 682 {
 683         adev->gmc.vm_fault.num_types = 1;
 684         adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
 685
 686         if (!amdgpu_sriov_vf(adev) &&
 687             !adev->gmc.xgmi.connected_to_cpu) {
 688                 adev->gmc.ecc_irq.num_types = 1;
 689                 adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
 690         }
 691 }
 692
 693 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
 694                                         uint32_t flush_type)
 695 {
 696         u32 req = 0;
 697
 698         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
 699                             PER_VMID_INVALIDATE_REQ, 1 << vmid);
 700         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
 701         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
 702         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
 703         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
 704         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
 705         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
 706         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
 707                             CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
 708
 709         return req;
 710 }
 711
 712 /**
 713  * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
 714  *
 715  * @adev: amdgpu_device pointer
 716  * @vmhub: vmhub type
 717  *
 718  */
 719 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 720                                        uint32_t vmhub)
 721 {
 722         if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
 723                 return false;
 724
 725         return ((vmhub == AMDGPU_MMHUB_0 ||
 726                  vmhub == AMDGPU_MMHUB_1) &&
 727                 (!amdgpu_sriov_vf(adev)) &&
 728                 (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
 729                    (adev->apu_flags & AMD_APU_IS_PICASSO))));
 730 }
 731
 732 static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
 733                                         uint8_t vmid, uint16_t *p_pasid)
 734 {
 735         uint32_t value;
 736
 737         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
 738                      + vmid);
 739         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
 740
 741         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
 742 }
 743
 744 /*
 745  * GART
 746  * VMID 0 is the physical GPU addresses as used by the kernel.
 747  * VMIDs 1-15 are used for userspace clients and are handled
 748  * by the amdgpu vm/hsa code.
 749  */
 750
 751 /**
 752  * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
 753  *
 754  * @adev: amdgpu_device pointer
 755  * @vmid: vm instance to flush
 756  * @vmhub: which hub to flush
 757  * @flush_type: the flush type
 758  *
 759  * Flush the TLB for the requested page table using certain type.
 760  */
 761 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 762                                         uint32_t vmhub, uint32_t flush_type)
 763 {
 764         bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
 765         const unsigned eng = 17;
 766         u32 j, inv_req, inv_req2, tmp;
 767         struct amdgpu_vmhub *hub;
 768
 769         BUG_ON(vmhub >= adev->num_vmhubs);
 770
 771         hub = &adev->vmhub[vmhub];
 772         if (adev->gmc.xgmi.num_physical_nodes &&
 773             adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)) {
 774                 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
 775                  * heavy-weight TLB flush (type 2), which flushes
 776                  * both. Due to a race condition with concurrent
 777                  * memory accesses using the same TLB cache line, we
 778                  * still need a second TLB flush after this.
 779                  */
 780                 inv_req = gmc_v9_0_get_invalidate_req(vmid, 2);
 781                 inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
 782         } else {
 783                 inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
 784                 inv_req2 = 0;
 785         }
 786
 787         /* This is necessary for a HW workaround under SRIOV as well
 788          * as GFXOFF under bare metal
 789          */
 790         if (adev->gfx.kiq.ring.sched.ready &&
 791             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
 792             down_read_trylock(&adev->reset_domain->sem)) {
 793                 uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
 794                 uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
 795
 796                 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
 797                                                    1 << vmid);
 798                 up_read(&adev->reset_domain->sem);
 799                 return;
 800         }
 801
 802         spin_lock(&adev->gmc.invalidate_lock);
 803
 804         /*
 805          * It may lose gpuvm invalidate acknowldege state across power-gating
 806          * off cycle, add semaphore acquire before invalidation and semaphore
 807          * release after invalidation to avoid entering power gated state
 808          * to WA the Issue
 809          */
 810
 811         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 812         if (use_semaphore) {
 813                 for (j = 0; j < adev->usec_timeout; j++) {
 814                         /* a read return value of 1 means semaphore acquire */
 815                         if (vmhub == AMDGPU_GFXHUB_0)
 816                                 tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
 817                         else
 818                                 tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
 819
 820                         if (tmp & 0x1)
 821                                 break;
 822                         udelay(1);
 823                 }
 824
 825                 if (j >= adev->usec_timeout)
 826                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
 827         }
 828
 829         do {
 830                 if (vmhub == AMDGPU_GFXHUB_0)
 831                         WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
 832                 else
 833                         WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
 834
 835                 /*
 836                  * Issue a dummy read to wait for the ACK register to
 837                  * be cleared to avoid a false ACK due to the new fast
 838                  * GRBM interface.
 839                  */
 840                 if ((vmhub == AMDGPU_GFXHUB_0) &&
 841                     (adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
 842                         RREG32_NO_KIQ(hub->vm_inv_eng0_req +
 843                                       hub->eng_distance * eng);
 844
 845                 for (j = 0; j < adev->usec_timeout; j++) {
 846                         if (vmhub == AMDGPU_GFXHUB_0)
 847                                 tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
 848                         else
 849                                 tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
 850
 851                         if (tmp & (1 << vmid))
 852                                 break;
 853                         udelay(1);
 854                 }
 855
 856                 inv_req = inv_req2;
 857                 inv_req2 = 0;
 858         } while (inv_req);
 859
 860         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 861         if (use_semaphore) {
 862                 /*
 863                  * add semaphore release after invalidation,
 864                  * write with 0 means semaphore release
 865                  */
 866                 if (vmhub == AMDGPU_GFXHUB_0)
 867                         WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
 868                 else
 869                         WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
 870         }
 871
 872         spin_unlock(&adev->gmc.invalidate_lock);
 873
 874         if (j < adev->usec_timeout)
 875                 return;
 876
 877         DRM_ERROR("Timeout waiting for VM flush ACK!\n");
 878 }
 879
 880 /**
 881  * gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
 882  *
 883  * @adev: amdgpu_device pointer
 884  * @pasid: pasid to be flush
 885  * @flush_type: the flush type
 886  * @all_hub: flush all hubs
 887  *
 888  * Flush the TLB for the requested pasid.
 889  */
 890 static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 891                                         uint16_t pasid, uint32_t flush_type,
 892                                         bool all_hub)
 893 {
 894         int vmid, i;
 895         signed long r;
 896         uint32_t seq;
 897         uint16_t queried_pasid;
 898         bool ret;
 899         u32 usec_timeout = amdgpu_sriov_vf(adev) ? SRIOV_USEC_TIMEOUT : adev->usec_timeout;
 900         struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
 901         struct amdgpu_kiq *kiq = &adev->gfx.kiq;
 902
 903         if (amdgpu_in_reset(adev))
 904                 return -EIO;
 905
 906         if (ring->sched.ready && down_read_trylock(&adev->reset_domain->sem)) {
 907                 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
 908                  * heavy-weight TLB flush (type 2), which flushes
 909                  * both. Due to a race condition with concurrent
 910                  * memory accesses using the same TLB cache line, we
 911                  * still need a second TLB flush after this.
 912                  */
 913                 bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes &&
 914                                        adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0));
 915                 /* 2 dwords flush + 8 dwords fence */
 916                 unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8;
 917
 918                 if (vega20_xgmi_wa)
 919                         ndw += kiq->pmf->invalidate_tlbs_size;
 920
 921                 spin_lock(&adev->gfx.kiq.ring_lock);
 922                 /* 2 dwords flush + 8 dwords fence */
 923                 amdgpu_ring_alloc(ring, ndw);
 924                 if (vega20_xgmi_wa)
 925                         kiq->pmf->kiq_invalidate_tlbs(ring,
 926                                                       pasid, 2, all_hub);
 927                 kiq->pmf->kiq_invalidate_tlbs(ring,
 928                                         pasid, flush_type, all_hub);
 929                 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
 930                 if (r) {
 931                         amdgpu_ring_undo(ring);
 932                         spin_unlock(&adev->gfx.kiq.ring_lock);
 933                         up_read(&adev->reset_domain->sem);
 934                         return -ETIME;
 935                 }
 936
 937                 amdgpu_ring_commit(ring);
 938                 spin_unlock(&adev->gfx.kiq.ring_lock);
 939                 r = amdgpu_fence_wait_polling(ring, seq, usec_timeout);
 940                 if (r < 1) {
 941                         dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
 942                         up_read(&adev->reset_domain->sem);
 943                         return -ETIME;
 944                 }
 945                 up_read(&adev->reset_domain->sem);
 946                 return 0;
 947         }
 948
 949         for (vmid = 1; vmid < 16; vmid++) {
 950
 951                 ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
 952                                 &queried_pasid);
 953                 if (ret && queried_pasid == pasid) {
 954                         if (all_hub) {
 955                                 for (i = 0; i < adev->num_vmhubs; i++)
 956                                         gmc_v9_0_flush_gpu_tlb(adev, vmid,
 957                                                         i, flush_type);
 958                         } else {
 959                                 gmc_v9_0_flush_gpu_tlb(adev, vmid,
 960                                                 AMDGPU_GFXHUB_0, flush_type);
 961                         }
 962                         break;
 963                 }
 964         }
 965
 966         return 0;
 967
 968 }
 969
 970 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 971                                             unsigned vmid, uint64_t pd_addr)
 972 {
 973         bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
 974         struct amdgpu_device *adev = ring->adev;
 975         struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
 976         uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0);
 977         unsigned eng = ring->vm_inv_eng;
 978
 979         /*
 980          * It may lose gpuvm invalidate acknowldege state across power-gating
 981          * off cycle, add semaphore acquire before invalidation and semaphore
 982          * release after invalidation to avoid entering power gated state
 983          * to WA the Issue
 984          */
 985
 986         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 987         if (use_semaphore)
 988                 /* a read return value of 1 means semaphore acuqire */
 989                 amdgpu_ring_emit_reg_wait(ring,
 990                                           hub->vm_inv_eng0_sem +
 991                                           hub->eng_distance * eng, 0x1, 0x1);
 992
 993         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
 994                               (hub->ctx_addr_distance * vmid),
 995                               lower_32_bits(pd_addr));
 996
 997         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
 998                               (hub->ctx_addr_distance * vmid),
 999                               upper_32_bits(pd_addr));
1000
1001         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
1002                                             hub->eng_distance * eng,
1003                                             hub->vm_inv_eng0_ack +
1004                                             hub->eng_distance * eng,
1005                                             req, 1 << vmid);
1006
1007         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
1008         if (use_semaphore)
1009                 /*
1010                  * add semaphore release after invalidation,
1011                  * write with 0 means semaphore release
1012                  */
1013                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
1014                                       hub->eng_distance * eng, 0);
1015
1016         return pd_addr;
1017 }
1018
1019 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
1020                                         unsigned pasid)
1021 {
1022         struct amdgpu_device *adev = ring->adev;
1023         uint32_t reg;
1024
1025         /* Do nothing because there's no lut register for mmhub1. */
1026         if (ring->funcs->vmhub == AMDGPU_MMHUB_1)
1027                 return;
1028
1029         if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
1030                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
1031         else
1032                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
1033
1034         amdgpu_ring_emit_wreg(ring, reg, pasid);
1035 }
1036
1037 /*
1038  * PTE format on VEGA 10:
1039  * 63:59 reserved
1040  * 58:57 mtype
1041  * 56 F
1042  * 55 L
1043  * 54 P
1044  * 53 SW
1045  * 52 T
1046  * 50:48 reserved
1047  * 47:12 4k physical page base address
1048  * 11:7 fragment
1049  * 6 write
1050  * 5 read
1051  * 4 exe
1052  * 3 Z
1053  * 2 snooped
1054  * 1 system
1055  * 0 valid
1056  *
1057  * PDE format on VEGA 10:
1058  * 63:59 block fragment size
1059  * 58:55 reserved
1060  * 54 P
1061  * 53:48 reserved
1062  * 47:6 physical base address of PD or PTE
1063  * 5:3 reserved
1064  * 2 C
1065  * 1 system
1066  * 0 valid
1067  */
1068
1069 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
1070
1071 {
1072         switch (flags) {
1073         case AMDGPU_VM_MTYPE_DEFAULT:
1074                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1075         case AMDGPU_VM_MTYPE_NC:
1076                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1077         case AMDGPU_VM_MTYPE_WC:
1078                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC);
1079         case AMDGPU_VM_MTYPE_RW:
1080                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW);
1081         case AMDGPU_VM_MTYPE_CC:
1082                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
1083         case AMDGPU_VM_MTYPE_UC:
1084                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC);
1085         default:
1086                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1087         }
1088 }
1089
1090 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
1091                                 uint64_t *addr, uint64_t *flags)
1092 {
1093         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
1094                 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
1095         BUG_ON(*addr & 0xFFFF00000000003FULL);
1096
1097         if (!adev->gmc.translate_further)
1098                 return;
1099
1100         if (level == AMDGPU_VM_PDB1) {
1101                 /* Set the block fragment size */
1102                 if (!(*flags & AMDGPU_PDE_PTE))
1103                         *flags |= AMDGPU_PDE_BFS(0x9);
1104
1105         } else if (level == AMDGPU_VM_PDB0) {
1106                 if (*flags & AMDGPU_PDE_PTE) {
1107                         *flags &= ~AMDGPU_PDE_PTE;
1108                         if (!(*flags & AMDGPU_PTE_VALID))
1109                                 *addr |= 1 << PAGE_SHIFT;
1110                 } else {
1111                         *flags |= AMDGPU_PTE_TF;
1112                 }
1113         }
1114 }
1115
1116 static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev,
1117                                          struct amdgpu_bo *bo,
1118                                          struct amdgpu_bo_va_mapping *mapping,
1119                                          uint64_t *flags)
1120 {
1121         struct amdgpu_device *bo_adev = amdgpu_ttm_adev(bo->tbo.bdev);
1122         bool is_vram = bo->tbo.resource->mem_type == TTM_PL_VRAM;
1123         bool coherent = bo->flags & AMDGPU_GEM_CREATE_COHERENT;
1124         bool uncached = bo->flags & AMDGPU_GEM_CREATE_UNCACHED;
1125         unsigned int mtype;
1126         bool snoop = false;
1127
1128         switch (adev->ip_versions[GC_HWIP][0]) {
1129         case IP_VERSION(9, 4, 1):
1130         case IP_VERSION(9, 4, 2):
1131                 if (is_vram) {
1132                         if (bo_adev == adev) {
1133                                 if (uncached)
1134                                         mtype = MTYPE_UC;
1135                                 else if (coherent)
1136                                         mtype = MTYPE_CC;
1137                                 else
1138                                         mtype = MTYPE_RW;
1139                                 /* FIXME: is this still needed? Or does
1140                                  * amdgpu_ttm_tt_pde_flags already handle this?
1141                                  */
1142                                 if (adev->ip_versions[GC_HWIP][0] ==
1143                                         IP_VERSION(9, 4, 2) &&
1144                                     adev->gmc.xgmi.connected_to_cpu)
1145                                         snoop = true;
1146                         } else {
1147                                 if (uncached || coherent)
1148                                         mtype = MTYPE_UC;
1149                                 else
1150                                         mtype = MTYPE_NC;
1151                                 if (mapping->bo_va->is_xgmi)
1152                                         snoop = true;
1153                         }
1154                 } else {
1155                         if (uncached || coherent)
1156                                 mtype = MTYPE_UC;
1157                         else
1158                                 mtype = MTYPE_NC;
1159                         /* FIXME: is this still needed? Or does
1160                          * amdgpu_ttm_tt_pde_flags already handle this?
1161                          */
1162                         snoop = true;
1163                 }
1164                 break;
1165         default:
1166                 if (uncached || coherent)
1167                         mtype = MTYPE_UC;
1168                 else
1169                         mtype = MTYPE_NC;
1170
1171                 /* FIXME: is this still needed? Or does
1172                  * amdgpu_ttm_tt_pde_flags already handle this?
1173                  */
1174                 if (!is_vram)
1175                         snoop = true;
1176         }
1177
1178         if (mtype != MTYPE_NC)
1179                 *flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) |
1180                          AMDGPU_PTE_MTYPE_VG10(mtype);
1181         *flags |= snoop ? AMDGPU_PTE_SNOOPED : 0;
1182 }
1183
1184 static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
1185                                 struct amdgpu_bo_va_mapping *mapping,
1186                                 uint64_t *flags)
1187 {
1188         struct amdgpu_bo *bo = mapping->bo_va->base.bo;
1189
1190         *flags &= ~AMDGPU_PTE_EXECUTABLE;
1191         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
1192
1193         *flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK;
1194         *flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK;
1195
1196         if (mapping->flags & AMDGPU_PTE_PRT) {
1197                 *flags |= AMDGPU_PTE_PRT;
1198                 *flags &= ~AMDGPU_PTE_VALID;
1199         }
1200
1201         if (bo && bo->tbo.resource)
1202                 gmc_v9_0_get_coherence_flags(adev, mapping->bo_va->base.bo,
1203                                              mapping, flags);
1204 }
1205
1206 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
1207 {
1208         u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
1209         unsigned size;
1210
1211         /* TODO move to DC so GMC doesn't need to hard-code DCN registers */
1212
1213         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1214                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1215         } else {
1216                 u32 viewport;
1217
1218                 switch (adev->ip_versions[DCE_HWIP][0]) {
1219                 case IP_VERSION(1, 0, 0):
1220                 case IP_VERSION(1, 0, 1):
1221                         viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
1222                         size = (REG_GET_FIELD(viewport,
1223                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
1224                                 REG_GET_FIELD(viewport,
1225                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
1226                                 4);
1227                         break;
1228                 case IP_VERSION(2, 1, 0):
1229                         viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2);
1230                         size = (REG_GET_FIELD(viewport,
1231                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
1232                                 REG_GET_FIELD(viewport,
1233                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
1234                                 4);
1235                         break;
1236                 default:
1237                         viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE);
1238                         size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1239                                 REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1240                                 4);
1241                         break;
1242                 }
1243         }
1244
1245         return size;
1246 }
1247
1248 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
1249         .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
1250         .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid,
1251         .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
1252         .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
1253         .map_mtype = gmc_v9_0_map_mtype,
1254         .get_vm_pde = gmc_v9_0_get_vm_pde,
1255         .get_vm_pte = gmc_v9_0_get_vm_pte,
1256         .get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size,
1257 };
1258
1259 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev)
1260 {
1261         adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs;
1262 }
1263
1264 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
1265 {
1266         switch (adev->ip_versions[UMC_HWIP][0]) {
1267         case IP_VERSION(6, 0, 0):
1268                 adev->umc.funcs = &umc_v6_0_funcs;
1269                 break;
1270         case IP_VERSION(6, 1, 1):
1271                 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
1272                 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
1273                 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
1274                 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20;
1275                 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
1276                 adev->umc.ras = &umc_v6_1_ras;
1277                 break;
1278         case IP_VERSION(6, 1, 2):
1279                 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
1280                 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
1281                 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
1282                 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT;
1283                 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
1284                 adev->umc.ras = &umc_v6_1_ras;
1285                 break;
1286         case IP_VERSION(6, 7, 0):
1287                 adev->umc.max_ras_err_cnt_per_query =
1288                         UMC_V6_7_TOTAL_CHANNEL_NUM * UMC_V6_7_BAD_PAGE_NUM_PER_CHANNEL;
1289                 adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM;
1290                 adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM;
1291                 adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET;
1292                 if (!adev->gmc.xgmi.connected_to_cpu)
1293                         adev->umc.ras = &umc_v6_7_ras;
1294                 if (1 & adev->smuio.funcs->get_die_id(adev))
1295                         adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0][0];
1296                 else
1297                         adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0][0];
1298                 break;
1299         default:
1300                 break;
1301         }
1302
1303         if (adev->umc.ras) {
1304                 amdgpu_ras_register_ras_block(adev, &adev->umc.ras->ras_block);
1305
1306                 strcpy(adev->umc.ras->ras_block.ras_comm.name, "umc");
1307                 adev->umc.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__UMC;
1308                 adev->umc.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
1309                 adev->umc.ras_if = &adev->umc.ras->ras_block.ras_comm;
1310
1311                 /* If don't define special ras_late_init function, use default ras_late_init */
1312                 if (!adev->umc.ras->ras_block.ras_late_init)
1313                                 adev->umc.ras->ras_block.ras_late_init = amdgpu_umc_ras_late_init;
1314
1315                 /* If not defined special ras_cb function, use default ras_cb */
1316                 if (!adev->umc.ras->ras_block.ras_cb)
1317                         adev->umc.ras->ras_block.ras_cb = amdgpu_umc_process_ras_data_cb;
1318         }
1319 }
1320
1321 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
1322 {
1323         switch (adev->ip_versions[MMHUB_HWIP][0]) {
1324         case IP_VERSION(9, 4, 1):
1325                 adev->mmhub.funcs = &mmhub_v9_4_funcs;
1326                 break;
1327         case IP_VERSION(9, 4, 2):
1328                 adev->mmhub.funcs = &mmhub_v1_7_funcs;
1329                 break;
1330         default:
1331                 adev->mmhub.funcs = &mmhub_v1_0_funcs;
1332                 break;
1333         }
1334 }
1335
1336 static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
1337 {
1338         switch (adev->ip_versions[MMHUB_HWIP][0]) {
1339         case IP_VERSION(9, 4, 0):
1340                 adev->mmhub.ras = &mmhub_v1_0_ras;
1341                 break;
1342         case IP_VERSION(9, 4, 1):
1343                 adev->mmhub.ras = &mmhub_v9_4_ras;
1344                 break;
1345         case IP_VERSION(9, 4, 2):
1346                 adev->mmhub.ras = &mmhub_v1_7_ras;
1347                 break;
1348         default:
1349                 /* mmhub ras is not available */
1350                 break;
1351         }
1352
1353         if (adev->mmhub.ras) {
1354                 amdgpu_ras_register_ras_block(adev, &adev->mmhub.ras->ras_block);
1355
1356                 strcpy(adev->mmhub.ras->ras_block.ras_comm.name, "mmhub");
1357                 adev->mmhub.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__MMHUB;
1358                 adev->mmhub.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
1359                 adev->mmhub.ras_if = &adev->mmhub.ras->ras_block.ras_comm;
1360         }
1361 }
1362
1363 static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
1364 {
1365         adev->gfxhub.funcs = &gfxhub_v1_0_funcs;
1366 }
1367
1368 static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev)
1369 {
1370         adev->hdp.ras = &hdp_v4_0_ras;
1371         amdgpu_ras_register_ras_block(adev, &adev->hdp.ras->ras_block);
1372         adev->hdp.ras_if = &adev->hdp.ras->ras_block.ras_comm;
1373 }
1374
1375 static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev)
1376 {
1377         /* is UMC the right IP to check for MCA?  Maybe DF? */
1378         switch (adev->ip_versions[UMC_HWIP][0]) {
1379         case IP_VERSION(6, 7, 0):
1380                 if (!adev->gmc.xgmi.connected_to_cpu)
1381                         adev->mca.funcs = &mca_v3_0_funcs;
1382                 break;
1383         default:
1384                 break;
1385         }
1386 }
1387
1388 static int gmc_v9_0_early_init(void *handle)
1389 {
1390         int r;
1391         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1392
1393         /* ARCT and VEGA20 don't have XGMI defined in their IP discovery tables */
1394         if (adev->asic_type == CHIP_VEGA20 ||
1395             adev->asic_type == CHIP_ARCTURUS)
1396                 adev->gmc.xgmi.supported = true;
1397
1398         if (adev->ip_versions[XGMI_HWIP][0] == IP_VERSION(6, 1, 0)) {
1399                 adev->gmc.xgmi.supported = true;
1400                 adev->gmc.xgmi.connected_to_cpu =
1401                         adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
1402         }
1403
1404         gmc_v9_0_set_gmc_funcs(adev);
1405         gmc_v9_0_set_irq_funcs(adev);
1406         gmc_v9_0_set_umc_funcs(adev);
1407         gmc_v9_0_set_mmhub_funcs(adev);
1408         gmc_v9_0_set_mmhub_ras_funcs(adev);
1409         gmc_v9_0_set_gfxhub_funcs(adev);
1410         gmc_v9_0_set_hdp_ras_funcs(adev);
1411         gmc_v9_0_set_mca_funcs(adev);
1412
1413         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1414         adev->gmc.shared_aperture_end =
1415                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1416         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
1417         adev->gmc.private_aperture_end =
1418                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1419
1420         r = amdgpu_gmc_ras_early_init(adev);
1421         if (r)
1422                 return r;
1423
1424         return 0;
1425 }
1426
1427 static int gmc_v9_0_late_init(void *handle)
1428 {
1429         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1430         int r;
1431
1432         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
1433         if (r)
1434                 return r;
1435
1436         /*
1437          * Workaround performance drop issue with VBIOS enables partial
1438          * writes, while disables HBM ECC for vega10.
1439          */
1440         if (!amdgpu_sriov_vf(adev) &&
1441             (adev->ip_versions[UMC_HWIP][0] == IP_VERSION(6, 0, 0))) {
1442                 if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) {
1443                         if (adev->df.funcs &&
1444                             adev->df.funcs->enable_ecc_force_par_wr_rmw)
1445                                 adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false);
1446                 }
1447         }
1448
1449         if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
1450                 if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops &&
1451                     adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count)
1452                         adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev);
1453
1454                 if (adev->hdp.ras && adev->hdp.ras->ras_block.hw_ops &&
1455                     adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count)
1456                         adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count(adev);
1457         }
1458
1459         r = amdgpu_gmc_ras_late_init(adev);
1460         if (r)
1461                 return r;
1462
1463         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1464 }
1465
1466 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
1467                                         struct amdgpu_gmc *mc)
1468 {
1469         u64 base = adev->mmhub.funcs->get_fb_location(adev);
1470
1471         /* add the xgmi offset of the physical node */
1472         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
1473         if (adev->gmc.xgmi.connected_to_cpu) {
1474                 amdgpu_gmc_sysvm_location(adev, mc);
1475         } else {
1476                 amdgpu_gmc_vram_location(adev, mc, base);
1477                 amdgpu_gmc_gart_location(adev, mc);
1478                 amdgpu_gmc_agp_location(adev, mc);
1479         }
1480         /* base offset of vram pages */
1481         adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
1482
1483         /* XXX: add the xgmi offset of the physical node? */
1484         adev->vm_manager.vram_base_offset +=
1485                 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
1486 }
1487
1488 /**
1489  * gmc_v9_0_mc_init - initialize the memory controller driver params
1490  *
1491  * @adev: amdgpu_device pointer
1492  *
1493  * Look up the amount of vram, vram width, and decide how to place
1494  * vram and gart within the GPU's physical address space.
1495  * Returns 0 for success.
1496  */
1497 static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
1498 {
1499         int r;
1500
1501         /* size in MB on si */
1502         adev->gmc.mc_vram_size =
1503                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
1504         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
1505
1506         if (!(adev->flags & AMD_IS_APU) &&
1507             !adev->gmc.xgmi.connected_to_cpu) {
1508                 r = amdgpu_device_resize_fb_bar(adev);
1509                 if (r)
1510                         return r;
1511         }
1512         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
1513         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
1514
1515 #ifdef CONFIG_X86_64
1516         /*
1517          * AMD Accelerated Processing Platform (APP) supporting GPU-HOST xgmi
1518          * interface can use VRAM through here as it appears system reserved
1519          * memory in host address space.
1520          *
1521          * For APUs, VRAM is just the stolen system memory and can be accessed
1522          * directly.
1523          *
1524          * Otherwise, use the legacy Host Data Path (HDP) through PCIe BAR.
1525          */
1526
1527         /* check whether both host-gpu and gpu-gpu xgmi links exist */
1528         if (((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) ||
1529             (adev->gmc.xgmi.supported &&
1530              adev->gmc.xgmi.connected_to_cpu)) {
1531                 adev->gmc.aper_base =
1532                         adev->gfxhub.funcs->get_mc_fb_offset(adev) +
1533                         adev->gmc.xgmi.physical_node_id *
1534                         adev->gmc.xgmi.node_segment_size;
1535                 adev->gmc.aper_size = adev->gmc.real_vram_size;
1536         }
1537
1538 #endif
1539         /* In case the PCI BAR is larger than the actual amount of vram */
1540         adev->gmc.visible_vram_size = adev->gmc.aper_size;
1541         if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
1542                 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
1543
1544         /* set the gart size */
1545         if (amdgpu_gart_size == -1) {
1546                 switch (adev->ip_versions[GC_HWIP][0]) {
1547                 case IP_VERSION(9, 0, 1):  /* all engines support GPUVM */
1548                 case IP_VERSION(9, 2, 1):  /* all engines support GPUVM */
1549                 case IP_VERSION(9, 4, 0):
1550                 case IP_VERSION(9, 4, 1):
1551                 case IP_VERSION(9, 4, 2):
1552                 default:
1553                         adev->gmc.gart_size = 512ULL << 20;
1554                         break;
1555                 case IP_VERSION(9, 1, 0):   /* DCE SG support */
1556                 case IP_VERSION(9, 2, 2):   /* DCE SG support */
1557                 case IP_VERSION(9, 3, 0):
1558                         adev->gmc.gart_size = 1024ULL << 20;
1559                         break;
1560                 }
1561         } else {
1562                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
1563         }
1564
1565         adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
1566
1567         gmc_v9_0_vram_gtt_location(adev, &adev->gmc);
1568
1569         return 0;
1570 }
1571
1572 static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
1573 {
1574         int r;
1575
1576         if (adev->gart.bo) {
1577                 WARN(1, "VEGA10 PCIE GART already initialized\n");
1578                 return 0;
1579         }
1580
1581         if (adev->gmc.xgmi.connected_to_cpu) {
1582                 adev->gmc.vmid0_page_table_depth = 1;
1583                 adev->gmc.vmid0_page_table_block_size = 12;
1584         } else {
1585                 adev->gmc.vmid0_page_table_depth = 0;
1586                 adev->gmc.vmid0_page_table_block_size = 0;
1587         }
1588
1589         /* Initialize common gart structure */
1590         r = amdgpu_gart_init(adev);
1591         if (r)
1592                 return r;
1593         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
1594         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(MTYPE_UC) |
1595                                  AMDGPU_PTE_EXECUTABLE;
1596
1597         r = amdgpu_gart_table_vram_alloc(adev);
1598         if (r)
1599                 return r;
1600
1601         if (adev->gmc.xgmi.connected_to_cpu) {
1602                 r = amdgpu_gmc_pdb0_alloc(adev);
1603         }
1604
1605         return r;
1606 }
1607
1608 /**
1609  * gmc_v9_0_save_registers - saves regs
1610  *
1611  * @adev: amdgpu_device pointer
1612  *
1613  * This saves potential register values that should be
1614  * restored upon resume
1615  */
1616 static void gmc_v9_0_save_registers(struct amdgpu_device *adev)
1617 {
1618         if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
1619             (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1)))
1620                 adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
1621 }
1622
1623 static int gmc_v9_0_sw_init(void *handle)
1624 {
1625         int r, vram_width = 0, vram_type = 0, vram_vendor = 0, dma_addr_bits;
1626         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1627
1628         adev->gfxhub.funcs->init(adev);
1629
1630         adev->mmhub.funcs->init(adev);
1631         if (adev->mca.funcs)
1632                 adev->mca.funcs->init(adev);
1633
1634         spin_lock_init(&adev->gmc.invalidate_lock);
1635
1636         r = amdgpu_atomfirmware_get_vram_info(adev,
1637                 &vram_width, &vram_type, &vram_vendor);
1638         if (amdgpu_sriov_vf(adev))
1639                 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
1640                  * and DF related registers is not readable, seems hardcord is the
1641                  * only way to set the correct vram_width
1642                  */
1643                 adev->gmc.vram_width = 2048;
1644         else if (amdgpu_emu_mode != 1)
1645                 adev->gmc.vram_width = vram_width;
1646
1647         if (!adev->gmc.vram_width) {
1648                 int chansize, numchan;
1649
1650                 /* hbm memory channel size */
1651                 if (adev->flags & AMD_IS_APU)
1652                         chansize = 64;
1653                 else
1654                         chansize = 128;
1655                 if (adev->df.funcs &&
1656                     adev->df.funcs->get_hbm_channel_number) {
1657                         numchan = adev->df.funcs->get_hbm_channel_number(adev);
1658                         adev->gmc.vram_width = numchan * chansize;
1659                 }
1660         }
1661
1662         adev->gmc.vram_type = vram_type;
1663         adev->gmc.vram_vendor = vram_vendor;
1664         switch (adev->ip_versions[GC_HWIP][0]) {
1665         case IP_VERSION(9, 1, 0):
1666         case IP_VERSION(9, 2, 2):
1667                 adev->num_vmhubs = 2;
1668
1669                 if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
1670                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1671                 } else {
1672                         /* vm_size is 128TB + 512GB for legacy 3-level page support */
1673                         amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48);
1674                         adev->gmc.translate_further =
1675                                 adev->vm_manager.num_level > 1;
1676                 }
1677                 break;
1678         case IP_VERSION(9, 0, 1):
1679         case IP_VERSION(9, 2, 1):
1680         case IP_VERSION(9, 4, 0):
1681         case IP_VERSION(9, 3, 0):
1682         case IP_VERSION(9, 4, 2):
1683                 adev->num_vmhubs = 2;
1684
1685
1686                 /*
1687                  * To fulfill 4-level page support,
1688                  * vm size is 256TB (48bit), maximum size of Vega10,
1689                  * block size 512 (9bit)
1690                  */
1691                 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
1692                 if (amdgpu_sriov_vf(adev))
1693                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47);
1694                 else
1695                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1696                 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
1697                         adev->gmc.translate_further = adev->vm_manager.num_level > 1;
1698                 break;
1699         case IP_VERSION(9, 4, 1):
1700                 adev->num_vmhubs = 3;
1701
1702                 /* Keep the vm size same with Vega20 */
1703                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1704                 adev->gmc.translate_further = adev->vm_manager.num_level > 1;
1705                 break;
1706         default:
1707                 break;
1708         }
1709
1710         /* This interrupt is VMC page fault.*/
1711         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT,
1712                                 &adev->gmc.vm_fault);
1713         if (r)
1714                 return r;
1715
1716         if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1)) {
1717                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT,
1718                                         &adev->gmc.vm_fault);
1719                 if (r)
1720                         return r;
1721         }
1722
1723         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT,
1724                                 &adev->gmc.vm_fault);
1725
1726         if (r)
1727                 return r;
1728
1729         if (!amdgpu_sriov_vf(adev) &&
1730             !adev->gmc.xgmi.connected_to_cpu) {
1731                 /* interrupt sent to DF. */
1732                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
1733                                       &adev->gmc.ecc_irq);
1734                 if (r)
1735                         return r;
1736         }
1737
1738         /* Set the internal MC address mask
1739          * This is the max address of the GPU's
1740          * internal address space.
1741          */
1742         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
1743
1744         dma_addr_bits = adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ? 48:44;
1745         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(dma_addr_bits));
1746         if (r) {
1747                 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
1748                 return r;
1749         }
1750         adev->need_swiotlb = drm_need_swiotlb(dma_addr_bits);
1751
1752         r = gmc_v9_0_mc_init(adev);
1753         if (r)
1754                 return r;
1755
1756         amdgpu_gmc_get_vbios_allocations(adev);
1757
1758         /* Memory manager */
1759         r = amdgpu_bo_init(adev);
1760         if (r)
1761                 return r;
1762
1763         r = gmc_v9_0_gart_init(adev);
1764         if (r)
1765                 return r;
1766
1767         /*
1768          * number of VMs
1769          * VMID 0 is reserved for System
1770          * amdgpu graphics/compute will use VMIDs 1..n-1
1771          * amdkfd will use VMIDs n..15
1772          *
1773          * The first KFD VMID is 8 for GPUs with graphics, 3 for
1774          * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs
1775          * for video processing.
1776          */
1777         adev->vm_manager.first_kfd_vmid =
1778                 (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) ||
1779                  adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) ? 3 : 8;
1780
1781         amdgpu_vm_manager_init(adev);
1782
1783         gmc_v9_0_save_registers(adev);
1784
1785         return 0;
1786 }
1787
1788 static int gmc_v9_0_sw_fini(void *handle)
1789 {
1790         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1791
1792         amdgpu_gmc_ras_fini(adev);
1793         amdgpu_gem_force_release(adev);
1794         amdgpu_vm_manager_fini(adev);
1795         amdgpu_gart_table_vram_free(adev);
1796         amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
1797         amdgpu_bo_fini(adev);
1798
1799         return 0;
1800 }
1801
1802 static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
1803 {
1804
1805         switch (adev->ip_versions[MMHUB_HWIP][0]) {
1806         case IP_VERSION(9, 0, 0):
1807                 if (amdgpu_sriov_vf(adev))
1808                         break;
1809                 fallthrough;
1810         case IP_VERSION(9, 4, 0):
1811                 soc15_program_register_sequence(adev,
1812                                                 golden_settings_mmhub_1_0_0,
1813                                                 ARRAY_SIZE(golden_settings_mmhub_1_0_0));
1814                 soc15_program_register_sequence(adev,
1815                                                 golden_settings_athub_1_0_0,
1816                                                 ARRAY_SIZE(golden_settings_athub_1_0_0));
1817                 break;
1818         case IP_VERSION(9, 1, 0):
1819         case IP_VERSION(9, 2, 0):
1820                 /* TODO for renoir */
1821                 soc15_program_register_sequence(adev,
1822                                                 golden_settings_athub_1_0_0,
1823                                                 ARRAY_SIZE(golden_settings_athub_1_0_0));
1824                 break;
1825         default:
1826                 break;
1827         }
1828 }
1829
1830 /**
1831  * gmc_v9_0_restore_registers - restores regs
1832  *
1833  * @adev: amdgpu_device pointer
1834  *
1835  * This restores register values, saved at suspend.
1836  */
1837 void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
1838 {
1839         if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
1840             (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) {
1841                 WREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
1842                 WARN_ON(adev->gmc.sdpif_register !=
1843                         RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0));
1844         }
1845 }
1846
1847 /**
1848  * gmc_v9_0_gart_enable - gart enable
1849  *
1850  * @adev: amdgpu_device pointer
1851  */
1852 static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
1853 {
1854         int r;
1855
1856         if (adev->gmc.xgmi.connected_to_cpu)
1857                 amdgpu_gmc_init_pdb0(adev);
1858
1859         if (adev->gart.bo == NULL) {
1860                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
1861                 return -EINVAL;
1862         }
1863
1864         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
1865         r = adev->gfxhub.funcs->gart_enable(adev);
1866         if (r)
1867                 return r;
1868
1869         r = adev->mmhub.funcs->gart_enable(adev);
1870         if (r)
1871                 return r;
1872
1873         DRM_INFO("PCIE GART of %uM enabled.\n",
1874                  (unsigned)(adev->gmc.gart_size >> 20));
1875         if (adev->gmc.pdb0_bo)
1876                 DRM_INFO("PDB0 located at 0x%016llX\n",
1877                                 (unsigned long long)amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo));
1878         DRM_INFO("PTB located at 0x%016llX\n",
1879                         (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
1880
1881         return 0;
1882 }
1883
1884 static int gmc_v9_0_hw_init(void *handle)
1885 {
1886         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1887         bool value;
1888         int i, r;
1889
1890         /* The sequence of these two function calls matters.*/
1891         gmc_v9_0_init_golden_registers(adev);
1892
1893         if (adev->mode_info.num_crtc) {
1894                 /* Lockout access through VGA aperture*/
1895                 WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
1896                 /* disable VGA render */
1897                 WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
1898         }
1899
1900         if (adev->mmhub.funcs->update_power_gating)
1901                 adev->mmhub.funcs->update_power_gating(adev, true);
1902
1903         adev->hdp.funcs->init_registers(adev);
1904
1905         /* After HDP is initialized, flush HDP.*/
1906         adev->hdp.funcs->flush_hdp(adev, NULL);
1907
1908         if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
1909                 value = false;
1910         else
1911                 value = true;
1912
1913         if (!amdgpu_sriov_vf(adev)) {
1914                 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
1915                 adev->mmhub.funcs->set_fault_enable_default(adev, value);
1916         }
1917         for (i = 0; i < adev->num_vmhubs; ++i)
1918                 gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0);
1919
1920         if (adev->umc.funcs && adev->umc.funcs->init_registers)
1921                 adev->umc.funcs->init_registers(adev);
1922
1923         r = gmc_v9_0_gart_enable(adev);
1924         if (r)
1925                 return r;
1926
1927         if (amdgpu_emu_mode == 1)
1928                 return amdgpu_gmc_vram_checking(adev);
1929         else
1930                 return r;
1931 }
1932
1933 /**
1934  * gmc_v9_0_gart_disable - gart disable
1935  *
1936  * @adev: amdgpu_device pointer
1937  *
1938  * This disables all VM page table.
1939  */
1940 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
1941 {
1942         adev->gfxhub.funcs->gart_disable(adev);
1943         adev->mmhub.funcs->gart_disable(adev);
1944 }
1945
1946 static int gmc_v9_0_hw_fini(void *handle)
1947 {
1948         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1949
1950         gmc_v9_0_gart_disable(adev);
1951
1952         if (amdgpu_sriov_vf(adev)) {
1953                 /* full access mode, so don't touch any GMC register */
1954                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1955                 return 0;
1956         }
1957
1958         /*
1959          * Pair the operations did in gmc_v9_0_hw_init and thus maintain
1960          * a correct cached state for GMC. Otherwise, the "gate" again
1961          * operation on S3 resuming will fail due to wrong cached state.
1962          */
1963         if (adev->mmhub.funcs->update_power_gating)
1964                 adev->mmhub.funcs->update_power_gating(adev, false);
1965
1966         amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1967         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1968
1969         return 0;
1970 }
1971
1972 static int gmc_v9_0_suspend(void *handle)
1973 {
1974         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1975
1976         return gmc_v9_0_hw_fini(adev);
1977 }
1978
1979 static int gmc_v9_0_resume(void *handle)
1980 {
1981         int r;
1982         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1983
1984         r = gmc_v9_0_hw_init(adev);
1985         if (r)
1986                 return r;
1987
1988         amdgpu_vmid_reset_all(adev);
1989
1990         return 0;
1991 }
1992
1993 static bool gmc_v9_0_is_idle(void *handle)
1994 {
1995         /* MC is always ready in GMC v9.*/
1996         return true;
1997 }
1998
1999 static int gmc_v9_0_wait_for_idle(void *handle)
2000 {
2001         /* There is no need to wait for MC idle in GMC v9.*/
2002         return 0;
2003 }
2004
2005 static int gmc_v9_0_soft_reset(void *handle)
2006 {
2007         /* XXX for emulation.*/
2008         return 0;
2009 }
2010
2011 static int gmc_v9_0_set_clockgating_state(void *handle,
2012                                         enum amd_clockgating_state state)
2013 {
2014         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2015
2016         adev->mmhub.funcs->set_clockgating(adev, state);
2017
2018         athub_v1_0_set_clockgating(adev, state);
2019
2020         return 0;
2021 }
2022
2023 static void gmc_v9_0_get_clockgating_state(void *handle, u64 *flags)
2024 {
2025         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2026
2027         adev->mmhub.funcs->get_clockgating(adev, flags);
2028
2029         athub_v1_0_get_clockgating(adev, flags);
2030 }
2031
2032 static int gmc_v9_0_set_powergating_state(void *handle,
2033                                         enum amd_powergating_state state)
2034 {
2035         return 0;
2036 }
2037
2038 const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
2039         .name = "gmc_v9_0",
2040         .early_init = gmc_v9_0_early_init,
2041         .late_init = gmc_v9_0_late_init,
2042         .sw_init = gmc_v9_0_sw_init,
2043         .sw_fini = gmc_v9_0_sw_fini,
2044         .hw_init = gmc_v9_0_hw_init,
2045         .hw_fini = gmc_v9_0_hw_fini,
2046         .suspend = gmc_v9_0_suspend,
2047         .resume = gmc_v9_0_resume,
2048         .is_idle = gmc_v9_0_is_idle,
2049         .wait_for_idle = gmc_v9_0_wait_for_idle,
2050         .soft_reset = gmc_v9_0_soft_reset,
2051         .set_clockgating_state = gmc_v9_0_set_clockgating_state,
2052         .set_powergating_state = gmc_v9_0_set_powergating_state,
2053         .get_clockgating_state = gmc_v9_0_get_clockgating_state,
2054 };
2055
2056 const struct amdgpu_ip_block_version gmc_v9_0_ip_block =
2057 {
2058         .type = AMD_IP_BLOCK_TYPE_GMC,
2059         .major = 9,
2060         .minor = 0,
2061         .rev = 0,
2062         .funcs = &gmc_v9_0_ip_funcs,
2063 };