drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

   1 /*
   2  * Copyright 2014 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/module.h>
  26 #include <linux/pci.h>
  27
  28 #include <drm/drm_cache.h>
  29 #include "amdgpu.h"
  30 #include "gmc_v8_0.h"
  31 #include "amdgpu_ucode.h"
  32 #include "amdgpu_amdkfd.h"
  33 #include "amdgpu_gem.h"
  34
  35 #include "gmc/gmc_8_1_d.h"
  36 #include "gmc/gmc_8_1_sh_mask.h"
  37
  38 #include "bif/bif_5_0_d.h"
  39 #include "bif/bif_5_0_sh_mask.h"
  40
  41 #include "oss/oss_3_0_d.h"
  42 #include "oss/oss_3_0_sh_mask.h"
  43
  44 #include "dce/dce_10_0_d.h"
  45 #include "dce/dce_10_0_sh_mask.h"
  46
  47 #include "vid.h"
  48 #include "vi.h"
  49
  50 #include "amdgpu_atombios.h"
  51
  52 #include "ivsrcid/ivsrcid_vislands30.h"
  53
  54 static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev);
  55 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
  56 static int gmc_v8_0_wait_for_idle(void *handle);
  57
  58 MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
  59 MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
  60 MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
  61 MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
  62 MODULE_FIRMWARE("amdgpu/polaris12_32_mc.bin");
  63 MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
  64 MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
  65 MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
  66
  67 static const u32 golden_settings_tonga_a11[] = {
  68         mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
  69         mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
  70         mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
  71         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  72         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  73         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  74         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  75 };
  76
  77 static const u32 tonga_mgcg_cgcg_init[] = {
  78         mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
  79 };
  80
  81 static const u32 golden_settings_fiji_a10[] = {
  82         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  83         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  84         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  85         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  86 };
  87
  88 static const u32 fiji_mgcg_cgcg_init[] = {
  89         mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
  90 };
  91
  92 static const u32 golden_settings_polaris11_a11[] = {
  93         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  94         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  95         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
  96         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
  97 };
  98
  99 static const u32 golden_settings_polaris10_a11[] = {
 100         mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
 101         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
 102         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
 103         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
 104         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
 105 };
 106
 107 static const u32 cz_mgcg_cgcg_init[] = {
 108         mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
 109 };
 110
 111 static const u32 stoney_mgcg_cgcg_init[] = {
 112         mmATC_MISC_CG, 0xffffffff, 0x000c0200,
 113         mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
 114 };
 115
 116 static const u32 golden_settings_stoney_common[] = {
 117         mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
 118         mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
 119 };
 120
 121 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
 122 {
 123         switch (adev->asic_type) {
 124         case CHIP_FIJI:
 125                 amdgpu_device_program_register_sequence(adev,
 126                                                         fiji_mgcg_cgcg_init,
 127                                                         ARRAY_SIZE(fiji_mgcg_cgcg_init));
 128                 amdgpu_device_program_register_sequence(adev,
 129                                                         golden_settings_fiji_a10,
 130                                                         ARRAY_SIZE(golden_settings_fiji_a10));
 131                 break;
 132         case CHIP_TONGA:
 133                 amdgpu_device_program_register_sequence(adev,
 134                                                         tonga_mgcg_cgcg_init,
 135                                                         ARRAY_SIZE(tonga_mgcg_cgcg_init));
 136                 amdgpu_device_program_register_sequence(adev,
 137                                                         golden_settings_tonga_a11,
 138                                                         ARRAY_SIZE(golden_settings_tonga_a11));
 139                 break;
 140         case CHIP_POLARIS11:
 141         case CHIP_POLARIS12:
 142         case CHIP_VEGAM:
 143                 amdgpu_device_program_register_sequence(adev,
 144                                                         golden_settings_polaris11_a11,
 145                                                         ARRAY_SIZE(golden_settings_polaris11_a11));
 146                 break;
 147         case CHIP_POLARIS10:
 148                 amdgpu_device_program_register_sequence(adev,
 149                                                         golden_settings_polaris10_a11,
 150                                                         ARRAY_SIZE(golden_settings_polaris10_a11));
 151                 break;
 152         case CHIP_CARRIZO:
 153                 amdgpu_device_program_register_sequence(adev,
 154                                                         cz_mgcg_cgcg_init,
 155                                                         ARRAY_SIZE(cz_mgcg_cgcg_init));
 156                 break;
 157         case CHIP_STONEY:
 158                 amdgpu_device_program_register_sequence(adev,
 159                                                         stoney_mgcg_cgcg_init,
 160                                                         ARRAY_SIZE(stoney_mgcg_cgcg_init));
 161                 amdgpu_device_program_register_sequence(adev,
 162                                                         golden_settings_stoney_common,
 163                                                         ARRAY_SIZE(golden_settings_stoney_common));
 164                 break;
 165         default:
 166                 break;
 167         }
 168 }
 169
 170 static void gmc_v8_0_mc_stop(struct amdgpu_device *adev)
 171 {
 172         u32 blackout;
 173
 174         gmc_v8_0_wait_for_idle(adev);
 175
 176         blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
 177         if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
 178                 /* Block CPU access */
 179                 WREG32(mmBIF_FB_EN, 0);
 180                 /* blackout the MC */
 181                 blackout = REG_SET_FIELD(blackout,
 182                                          MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
 183                 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
 184         }
 185         /* wait for the MC to settle */
 186         udelay(100);
 187 }
 188
 189 static void gmc_v8_0_mc_resume(struct amdgpu_device *adev)
 190 {
 191         u32 tmp;
 192
 193         /* unblackout the MC */
 194         tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
 195         tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
 196         WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
 197         /* allow CPU access */
 198         tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
 199         tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
 200         WREG32(mmBIF_FB_EN, tmp);
 201 }
 202
 203 /**
 204  * gmc_v8_0_init_microcode - load ucode images from disk
 205  *
 206  * @adev: amdgpu_device pointer
 207  *
 208  * Use the firmware interface to load the ucode images into
 209  * the driver (not loaded into hw).
 210  * Returns 0 on success, error on failure.
 211  */
 212 static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
 213 {
 214         const char *chip_name;
 215         int err;
 216
 217         DRM_DEBUG("\n");
 218
 219         switch (adev->asic_type) {
 220         case CHIP_TONGA:
 221                 chip_name = "tonga";
 222                 break;
 223         case CHIP_POLARIS11:
 224                 if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision) ||
 225                     ASICID_IS_P31(adev->pdev->device, adev->pdev->revision))
 226                         chip_name = "polaris11_k";
 227                 else
 228                         chip_name = "polaris11";
 229                 break;
 230         case CHIP_POLARIS10:
 231                 if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision))
 232                         chip_name = "polaris10_k";
 233                 else
 234                         chip_name = "polaris10";
 235                 break;
 236         case CHIP_POLARIS12:
 237                 if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
 238                         chip_name = "polaris12_k";
 239                 } else {
 240                         WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159);
 241                         /* Polaris12 32bit ASIC needs a special MC firmware */
 242                         if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40)
 243                                 chip_name = "polaris12_32";
 244                         else
 245                                 chip_name = "polaris12";
 246                 }
 247                 break;
 248         case CHIP_FIJI:
 249         case CHIP_CARRIZO:
 250         case CHIP_STONEY:
 251         case CHIP_VEGAM:
 252                 return 0;
 253         default:
 254                 return -EINVAL;
 255         }
 256
 257         err = amdgpu_ucode_request(adev, &adev->gmc.fw, "amdgpu/%s_mc.bin", chip_name);
 258         if (err) {
 259                 pr_err("mc: Failed to load firmware \"%s_mc.bin\"\n", chip_name);
 260                 amdgpu_ucode_release(&adev->gmc.fw);
 261         }
 262         return err;
 263 }
 264
 265 /**
 266  * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw
 267  *
 268  * @adev: amdgpu_device pointer
 269  *
 270  * Load the GDDR MC ucode into the hw (VI).
 271  * Returns 0 on success, error on failure.
 272  */
 273 static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev)
 274 {
 275         const struct mc_firmware_header_v1_0 *hdr;
 276         const __le32 *fw_data = NULL;
 277         const __le32 *io_mc_regs = NULL;
 278         u32 running;
 279         int i, ucode_size, regs_size;
 280
 281         /* Skip MC ucode loading on SR-IOV capable boards.
 282          * vbios does this for us in asic_init in that case.
 283          * Skip MC ucode loading on VF, because hypervisor will do that
 284          * for this adaptor.
 285          */
 286         if (amdgpu_sriov_bios(adev))
 287                 return 0;
 288
 289         if (!adev->gmc.fw)
 290                 return -EINVAL;
 291
 292         hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
 293         amdgpu_ucode_print_mc_hdr(&hdr->header);
 294
 295         adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
 296         regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
 297         io_mc_regs = (const __le32 *)
 298                 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
 299         ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 300         fw_data = (const __le32 *)
 301                 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 302
 303         running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
 304
 305         if (running == 0) {
 306                 /* reset the engine and set to writable */
 307                 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
 308                 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
 309
 310                 /* load mc io regs */
 311                 for (i = 0; i < regs_size; i++) {
 312                         WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
 313                         WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
 314                 }
 315                 /* load the MC ucode */
 316                 for (i = 0; i < ucode_size; i++)
 317                         WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
 318
 319                 /* put the engine back into the active state */
 320                 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
 321                 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
 322                 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
 323
 324                 /* wait for training to complete */
 325                 for (i = 0; i < adev->usec_timeout; i++) {
 326                         if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
 327                                           MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
 328                                 break;
 329                         udelay(1);
 330                 }
 331                 for (i = 0; i < adev->usec_timeout; i++) {
 332                         if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
 333                                           MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
 334                                 break;
 335                         udelay(1);
 336                 }
 337         }
 338
 339         return 0;
 340 }
 341
 342 static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
 343 {
 344         const struct mc_firmware_header_v1_0 *hdr;
 345         const __le32 *fw_data = NULL;
 346         const __le32 *io_mc_regs = NULL;
 347         u32 data;
 348         int i, ucode_size, regs_size;
 349
 350         /* Skip MC ucode loading on SR-IOV capable boards.
 351          * vbios does this for us in asic_init in that case.
 352          * Skip MC ucode loading on VF, because hypervisor will do that
 353          * for this adaptor.
 354          */
 355         if (amdgpu_sriov_bios(adev))
 356                 return 0;
 357
 358         if (!adev->gmc.fw)
 359                 return -EINVAL;
 360
 361         hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
 362         amdgpu_ucode_print_mc_hdr(&hdr->header);
 363
 364         adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
 365         regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
 366         io_mc_regs = (const __le32 *)
 367                 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
 368         ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 369         fw_data = (const __le32 *)
 370                 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 371
 372         data = RREG32(mmMC_SEQ_MISC0);
 373         data &= ~(0x40);
 374         WREG32(mmMC_SEQ_MISC0, data);
 375
 376         /* load mc io regs */
 377         for (i = 0; i < regs_size; i++) {
 378                 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
 379                 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
 380         }
 381
 382         WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
 383         WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
 384
 385         /* load the MC ucode */
 386         for (i = 0; i < ucode_size; i++)
 387                 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
 388
 389         /* put the engine back into the active state */
 390         WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
 391         WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
 392         WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
 393
 394         /* wait for training to complete */
 395         for (i = 0; i < adev->usec_timeout; i++) {
 396                 data = RREG32(mmMC_SEQ_MISC0);
 397                 if (data & 0x80)
 398                         break;
 399                 udelay(1);
 400         }
 401
 402         return 0;
 403 }
 404
 405 static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
 406                                        struct amdgpu_gmc *mc)
 407 {
 408         u64 base = 0;
 409
 410         if (!amdgpu_sriov_vf(adev))
 411                 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
 412         base <<= 24;
 413
 414         amdgpu_gmc_set_agp_default(adev, mc);
 415         amdgpu_gmc_vram_location(adev, mc, base);
 416         amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
 417 }
 418
 419 /**
 420  * gmc_v8_0_mc_program - program the GPU memory controller
 421  *
 422  * @adev: amdgpu_device pointer
 423  *
 424  * Set the location of vram, gart, and AGP in the GPU's
 425  * physical address space (VI).
 426  */
 427 static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
 428 {
 429         u32 tmp;
 430         int i, j;
 431
 432         /* Initialize HDP */
 433         for (i = 0, j = 0; i < 32; i++, j += 0x6) {
 434                 WREG32((0xb05 + j), 0x00000000);
 435                 WREG32((0xb06 + j), 0x00000000);
 436                 WREG32((0xb07 + j), 0x00000000);
 437                 WREG32((0xb08 + j), 0x00000000);
 438                 WREG32((0xb09 + j), 0x00000000);
 439         }
 440         WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
 441
 442         if (gmc_v8_0_wait_for_idle((void *)adev))
 443                 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
 444
 445         if (adev->mode_info.num_crtc) {
 446                 /* Lockout access through VGA aperture*/
 447                 tmp = RREG32(mmVGA_HDP_CONTROL);
 448                 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
 449                 WREG32(mmVGA_HDP_CONTROL, tmp);
 450
 451                 /* disable VGA render */
 452                 tmp = RREG32(mmVGA_RENDER_CONTROL);
 453                 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
 454                 WREG32(mmVGA_RENDER_CONTROL, tmp);
 455         }
 456         /* Update configuration */
 457         WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
 458                adev->gmc.vram_start >> 12);
 459         WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 460                adev->gmc.vram_end >> 12);
 461         WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
 462                adev->mem_scratch.gpu_addr >> 12);
 463
 464         if (amdgpu_sriov_vf(adev)) {
 465                 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16;
 466                 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF);
 467                 WREG32(mmMC_VM_FB_LOCATION, tmp);
 468                 /* XXX double check these! */
 469                 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
 470                 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
 471                 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
 472         }
 473
 474         WREG32(mmMC_VM_AGP_BASE, 0);
 475         WREG32(mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 22);
 476         WREG32(mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 22);
 477         if (gmc_v8_0_wait_for_idle((void *)adev))
 478                 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
 479
 480         WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
 481
 482         tmp = RREG32(mmHDP_MISC_CNTL);
 483         tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
 484         WREG32(mmHDP_MISC_CNTL, tmp);
 485
 486         tmp = RREG32(mmHDP_HOST_PATH_CNTL);
 487         WREG32(mmHDP_HOST_PATH_CNTL, tmp);
 488 }
 489
 490 /**
 491  * gmc_v8_0_mc_init - initialize the memory controller driver params
 492  *
 493  * @adev: amdgpu_device pointer
 494  *
 495  * Look up the amount of vram, vram width, and decide how to place
 496  * vram and gart within the GPU's physical address space (VI).
 497  * Returns 0 for success.
 498  */
 499 static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 500 {
 501         int r;
 502         u32 tmp;
 503
 504         adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
 505         if (!adev->gmc.vram_width) {
 506                 int chansize, numchan;
 507
 508                 /* Get VRAM informations */
 509                 tmp = RREG32(mmMC_ARB_RAMCFG);
 510                 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE))
 511                         chansize = 64;
 512                 else
 513                         chansize = 32;
 514
 515                 tmp = RREG32(mmMC_SHARED_CHMAP);
 516                 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
 517                 case 0:
 518                 default:
 519                         numchan = 1;
 520                         break;
 521                 case 1:
 522                         numchan = 2;
 523                         break;
 524                 case 2:
 525                         numchan = 4;
 526                         break;
 527                 case 3:
 528                         numchan = 8;
 529                         break;
 530                 case 4:
 531                         numchan = 3;
 532                         break;
 533                 case 5:
 534                         numchan = 6;
 535                         break;
 536                 case 6:
 537                         numchan = 10;
 538                         break;
 539                 case 7:
 540                         numchan = 12;
 541                         break;
 542                 case 8:
 543                         numchan = 16;
 544                         break;
 545                 }
 546                 adev->gmc.vram_width = numchan * chansize;
 547         }
 548         /* size in MB on si */
 549         tmp = RREG32(mmCONFIG_MEMSIZE);
 550         /* some boards may have garbage in the upper 16 bits */
 551         if (tmp & 0xffff0000) {
 552                 DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
 553                 if (tmp & 0xffff)
 554                         tmp &= 0xffff;
 555         }
 556         adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL;
 557         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 558
 559         if (!(adev->flags & AMD_IS_APU)) {
 560                 r = amdgpu_device_resize_fb_bar(adev);
 561                 if (r)
 562                         return r;
 563         }
 564         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
 565         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 566
 567 #ifdef CONFIG_X86_64
 568         if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
 569                 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
 570                 adev->gmc.aper_size = adev->gmc.real_vram_size;
 571         }
 572 #endif
 573
 574         adev->gmc.visible_vram_size = adev->gmc.aper_size;
 575
 576         /* set the gart size */
 577         if (amdgpu_gart_size == -1) {
 578                 switch (adev->asic_type) {
 579                 case CHIP_POLARIS10: /* all engines support GPUVM */
 580                 case CHIP_POLARIS11: /* all engines support GPUVM */
 581                 case CHIP_POLARIS12: /* all engines support GPUVM */
 582                 case CHIP_VEGAM:     /* all engines support GPUVM */
 583                 default:
 584                         adev->gmc.gart_size = 256ULL << 20;
 585                         break;
 586                 case CHIP_TONGA:   /* UVD, VCE do not support GPUVM */
 587                 case CHIP_FIJI:    /* UVD, VCE do not support GPUVM */
 588                 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
 589                 case CHIP_STONEY:  /* UVD does not support GPUVM, DCE SG support */
 590                         adev->gmc.gart_size = 1024ULL << 20;
 591                         break;
 592                 }
 593         } else {
 594                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
 595         }
 596
 597         adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
 598         gmc_v8_0_vram_gtt_location(adev, &adev->gmc);
 599
 600         return 0;
 601 }
 602
 603 /**
 604  * gmc_v8_0_flush_gpu_tlb_pasid - tlb flush via pasid
 605  *
 606  * @adev: amdgpu_device pointer
 607  * @pasid: pasid to be flush
 608  * @flush_type: type of flush
 609  * @all_hub: flush all hubs
 610  * @inst: is used to select which instance of KIQ to use for the invalidation
 611  *
 612  * Flush the TLB for the requested pasid.
 613  */
 614 static void gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 615                                          uint16_t pasid, uint32_t flush_type,
 616                                          bool all_hub, uint32_t inst)
 617 {
 618         u32 mask = 0x0;
 619         int vmid;
 620
 621         for (vmid = 1; vmid < 16; vmid++) {
 622                 u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
 623
 624                 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) &&
 625                     (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid)
 626                         mask |= 1 << vmid;
 627         }
 628
 629         WREG32(mmVM_INVALIDATE_REQUEST, mask);
 630         RREG32(mmVM_INVALIDATE_RESPONSE);
 631 }
 632
 633 /*
 634  * GART
 635  * VMID 0 is the physical GPU addresses as used by the kernel.
 636  * VMIDs 1-15 are used for userspace clients and are handled
 637  * by the amdgpu vm/hsa code.
 638  */
 639
 640 /**
 641  * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback
 642  *
 643  * @adev: amdgpu_device pointer
 644  * @vmid: vm instance to flush
 645  * @vmhub: which hub to flush
 646  * @flush_type: type of flush
 647  *
 648  * Flush the TLB for the requested page table (VI).
 649  */
 650 static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 651                                         uint32_t vmhub, uint32_t flush_type)
 652 {
 653         /* bits 0-15 are the VM contexts0-15 */
 654         WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
 655 }
 656
 657 static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 658                                             unsigned int vmid, uint64_t pd_addr)
 659 {
 660         uint32_t reg;
 661
 662         if (vmid < 8)
 663                 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
 664         else
 665                 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
 666         amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
 667
 668         /* bits 0-15 are the VM contexts0-15 */
 669         amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
 670
 671         return pd_addr;
 672 }
 673
 674 static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
 675                                         unsigned int pasid)
 676 {
 677         amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
 678 }
 679
 680 /*
 681  * PTE format on VI:
 682  * 63:40 reserved
 683  * 39:12 4k physical page base address
 684  * 11:7 fragment
 685  * 6 write
 686  * 5 read
 687  * 4 exe
 688  * 3 reserved
 689  * 2 snooped
 690  * 1 system
 691  * 0 valid
 692  *
 693  * PDE format on VI:
 694  * 63:59 block fragment size
 695  * 58:40 reserved
 696  * 39:1 physical base address of PTE
 697  * bits 5:1 must be 0.
 698  * 0 valid
 699  */
 700
 701 static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level,
 702                                 uint64_t *addr, uint64_t *flags)
 703 {
 704         BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
 705 }
 706
 707 static void gmc_v8_0_get_vm_pte(struct amdgpu_device *adev,
 708                                 struct amdgpu_bo_va_mapping *mapping,
 709                                 uint64_t *flags)
 710 {
 711         *flags &= ~AMDGPU_PTE_EXECUTABLE;
 712         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
 713         *flags &= ~AMDGPU_PTE_PRT;
 714 }
 715
 716 /**
 717  * gmc_v8_0_set_fault_enable_default - update VM fault handling
 718  *
 719  * @adev: amdgpu_device pointer
 720  * @value: true redirects VM faults to the default page
 721  */
 722 static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
 723                                               bool value)
 724 {
 725         u32 tmp;
 726
 727         tmp = RREG32(mmVM_CONTEXT1_CNTL);
 728         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 729                             RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 730         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 731                             DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 732         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 733                             PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 734         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 735                             VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 736         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 737                             READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 738         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 739                             WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 740         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
 741                             EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 742         WREG32(mmVM_CONTEXT1_CNTL, tmp);
 743 }
 744
 745 /**
 746  * gmc_v8_0_set_prt() - set PRT VM fault
 747  *
 748  * @adev: amdgpu_device pointer
 749  * @enable: enable/disable VM fault handling for PRT
 750  */
 751 static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
 752 {
 753         u32 tmp;
 754
 755         if (enable && !adev->gmc.prt_warning) {
 756                 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
 757                 adev->gmc.prt_warning = true;
 758         }
 759
 760         tmp = RREG32(mmVM_PRT_CNTL);
 761         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 762                             CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
 763         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 764                             CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
 765         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 766                             TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
 767         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 768                             TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
 769         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 770                             L2_CACHE_STORE_INVALID_ENTRIES, enable);
 771         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 772                             L1_TLB_STORE_INVALID_ENTRIES, enable);
 773         tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
 774                             MASK_PDE0_FAULT, enable);
 775         WREG32(mmVM_PRT_CNTL, tmp);
 776
 777         if (enable) {
 778                 uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
 779                         AMDGPU_GPU_PAGE_SHIFT;
 780                 uint32_t high = adev->vm_manager.max_pfn -
 781                         (AMDGPU_VA_RESERVED_TOP >> AMDGPU_GPU_PAGE_SHIFT);
 782
 783                 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
 784                 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
 785                 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
 786                 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
 787                 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
 788                 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
 789                 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
 790                 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
 791         } else {
 792                 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
 793                 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
 794                 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
 795                 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
 796                 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
 797                 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
 798                 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
 799                 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
 800         }
 801 }
 802
 803 /**
 804  * gmc_v8_0_gart_enable - gart enable
 805  *
 806  * @adev: amdgpu_device pointer
 807  *
 808  * This sets up the TLBs, programs the page tables for VMID0,
 809  * sets up the hw for VMIDs 1-15 which are allocated on
 810  * demand, and sets up the global locations for the LDS, GDS,
 811  * and GPUVM for FSA64 clients (VI).
 812  * Returns 0 for success, errors for failure.
 813  */
 814 static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
 815 {
 816         uint64_t table_addr;
 817         u32 tmp, field;
 818         int i;
 819
 820         if (adev->gart.bo == NULL) {
 821                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
 822                 return -EINVAL;
 823         }
 824         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
 825         table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
 826
 827         /* Setup TLB control */
 828         tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
 829         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
 830         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
 831         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
 832         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
 833         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
 834         WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
 835         /* Setup L2 cache */
 836         tmp = RREG32(mmVM_L2_CNTL);
 837         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
 838         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
 839         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
 840         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
 841         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
 842         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
 843         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
 844         WREG32(mmVM_L2_CNTL, tmp);
 845         tmp = RREG32(mmVM_L2_CNTL2);
 846         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
 847         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
 848         WREG32(mmVM_L2_CNTL2, tmp);
 849
 850         field = adev->vm_manager.fragment_size;
 851         tmp = RREG32(mmVM_L2_CNTL3);
 852         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
 853         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
 854         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
 855         WREG32(mmVM_L2_CNTL3, tmp);
 856         /* XXX: set to enable PTE/PDE in system memory */
 857         tmp = RREG32(mmVM_L2_CNTL4);
 858         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
 859         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
 860         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
 861         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
 862         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
 863         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
 864         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
 865         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
 866         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
 867         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
 868         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
 869         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
 870         WREG32(mmVM_L2_CNTL4, tmp);
 871         /* setup context0 */
 872         WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
 873         WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
 874         WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
 875         WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 876                         (u32)(adev->dummy_page_addr >> 12));
 877         WREG32(mmVM_CONTEXT0_CNTL2, 0);
 878         tmp = RREG32(mmVM_CONTEXT0_CNTL);
 879         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
 880         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
 881         tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 882         WREG32(mmVM_CONTEXT0_CNTL, tmp);
 883
 884         WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
 885         WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
 886         WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
 887
 888         /* empty context1-15 */
 889         /* FIXME start with 4G, once using 2 level pt switch to full
 890          * vm size space
 891          */
 892         /* set vm size, must be a multiple of 4 */
 893         WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
 894         WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
 895         for (i = 1; i < AMDGPU_NUM_VMID; i++) {
 896                 if (i < 8)
 897                         WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
 898                                table_addr >> 12);
 899                 else
 900                         WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
 901                                table_addr >> 12);
 902         }
 903
 904         /* enable context1-15 */
 905         WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
 906                (u32)(adev->dummy_page_addr >> 12));
 907         WREG32(mmVM_CONTEXT1_CNTL2, 4);
 908         tmp = RREG32(mmVM_CONTEXT1_CNTL);
 909         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
 910         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
 911         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 912         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 913         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 914         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 915         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 916         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 917         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
 918         tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
 919                             adev->vm_manager.block_size - 9);
 920         WREG32(mmVM_CONTEXT1_CNTL, tmp);
 921         if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
 922                 gmc_v8_0_set_fault_enable_default(adev, false);
 923         else
 924                 gmc_v8_0_set_fault_enable_default(adev, true);
 925
 926         gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0);
 927         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 928                  (unsigned int)(adev->gmc.gart_size >> 20),
 929                  (unsigned long long)table_addr);
 930         return 0;
 931 }
 932
 933 static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
 934 {
 935         int r;
 936
 937         if (adev->gart.bo) {
 938                 WARN(1, "R600 PCIE GART already initialized\n");
 939                 return 0;
 940         }
 941         /* Initialize common gart structure */
 942         r = amdgpu_gart_init(adev);
 943         if (r)
 944                 return r;
 945         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
 946         adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE;
 947         return amdgpu_gart_table_vram_alloc(adev);
 948 }
 949
 950 /**
 951  * gmc_v8_0_gart_disable - gart disable
 952  *
 953  * @adev: amdgpu_device pointer
 954  *
 955  * This disables all VM page table (VI).
 956  */
 957 static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
 958 {
 959         u32 tmp;
 960
 961         /* Disable all tables */
 962         WREG32(mmVM_CONTEXT0_CNTL, 0);
 963         WREG32(mmVM_CONTEXT1_CNTL, 0);
 964         /* Setup TLB control */
 965         tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
 966         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 967         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
 968         tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
 969         WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
 970         /* Setup L2 cache */
 971         tmp = RREG32(mmVM_L2_CNTL);
 972         tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
 973         WREG32(mmVM_L2_CNTL, tmp);
 974         WREG32(mmVM_L2_CNTL2, 0);
 975 }
 976
 977 /**
 978  * gmc_v8_0_vm_decode_fault - print human readable fault info
 979  *
 980  * @adev: amdgpu_device pointer
 981  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
 982  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
 983  * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
 984  * @pasid: debug logging only - no functional use
 985  *
 986  * Print human readable fault information (VI).
 987  */
 988 static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
 989                                      u32 addr, u32 mc_client, unsigned int pasid)
 990 {
 991         u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
 992         u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
 993                                         PROTECTIONS);
 994         char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
 995                 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
 996         u32 mc_id;
 997
 998         mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
 999                               MEMORY_CLIENT_ID);
1000
1001         dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
1002                protections, vmid, pasid, addr,
1003                REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1004                              MEMORY_CLIENT_RW) ?
1005                "write" : "read", block, mc_client, mc_id);
1006 }
1007
1008 static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
1009 {
1010         switch (mc_seq_vram_type) {
1011         case MC_SEQ_MISC0__MT__GDDR1:
1012                 return AMDGPU_VRAM_TYPE_GDDR1;
1013         case MC_SEQ_MISC0__MT__DDR2:
1014                 return AMDGPU_VRAM_TYPE_DDR2;
1015         case MC_SEQ_MISC0__MT__GDDR3:
1016                 return AMDGPU_VRAM_TYPE_GDDR3;
1017         case MC_SEQ_MISC0__MT__GDDR4:
1018                 return AMDGPU_VRAM_TYPE_GDDR4;
1019         case MC_SEQ_MISC0__MT__GDDR5:
1020                 return AMDGPU_VRAM_TYPE_GDDR5;
1021         case MC_SEQ_MISC0__MT__HBM:
1022                 return AMDGPU_VRAM_TYPE_HBM;
1023         case MC_SEQ_MISC0__MT__DDR3:
1024                 return AMDGPU_VRAM_TYPE_DDR3;
1025         default:
1026                 return AMDGPU_VRAM_TYPE_UNKNOWN;
1027         }
1028 }
1029
1030 static int gmc_v8_0_early_init(void *handle)
1031 {
1032         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1033
1034         gmc_v8_0_set_gmc_funcs(adev);
1035         gmc_v8_0_set_irq_funcs(adev);
1036
1037         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1038         adev->gmc.shared_aperture_end =
1039                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1040         adev->gmc.private_aperture_start =
1041                 adev->gmc.shared_aperture_end + 1;
1042         adev->gmc.private_aperture_end =
1043                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1044         adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
1045
1046         return 0;
1047 }
1048
1049 static int gmc_v8_0_late_init(void *handle)
1050 {
1051         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1052
1053         if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
1054                 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1055         else
1056                 return 0;
1057 }
1058
1059 static unsigned int gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev)
1060 {
1061         u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
1062         unsigned int size;
1063
1064         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1065                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1066         } else {
1067                 u32 viewport = RREG32(mmVIEWPORT_SIZE);
1068
1069                 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1070                         REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1071                         4);
1072         }
1073
1074         return size;
1075 }
1076
1077 #define mmMC_SEQ_MISC0_FIJI 0xA71
1078
1079 static int gmc_v8_0_sw_init(void *handle)
1080 {
1081         int r;
1082         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1083
1084         set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
1085
1086         if (adev->flags & AMD_IS_APU) {
1087                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
1088         } else {
1089                 u32 tmp;
1090
1091                 if ((adev->asic_type == CHIP_FIJI) ||
1092                     (adev->asic_type == CHIP_VEGAM))
1093                         tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
1094                 else
1095                         tmp = RREG32(mmMC_SEQ_MISC0);
1096                 tmp &= MC_SEQ_MISC0__MT__MASK;
1097                 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp);
1098         }
1099
1100         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault);
1101         if (r)
1102                 return r;
1103
1104         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault);
1105         if (r)
1106                 return r;
1107
1108         /* Adjust VM size here.
1109          * Currently set to 4GB ((1 << 20) 4k pages).
1110          * Max GPUVM size for cayman and SI is 40 bits.
1111          */
1112         amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1113
1114         /* Set the internal MC address mask
1115          * This is the max address of the GPU's
1116          * internal address space.
1117          */
1118         adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1119
1120         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
1121         if (r) {
1122                 pr_warn("No suitable DMA available\n");
1123                 return r;
1124         }
1125         adev->need_swiotlb = drm_need_swiotlb(40);
1126
1127         r = gmc_v8_0_init_microcode(adev);
1128         if (r) {
1129                 DRM_ERROR("Failed to load mc firmware!\n");
1130                 return r;
1131         }
1132
1133         r = gmc_v8_0_mc_init(adev);
1134         if (r)
1135                 return r;
1136
1137         amdgpu_gmc_get_vbios_allocations(adev);
1138
1139         /* Memory manager */
1140         r = amdgpu_bo_init(adev);
1141         if (r)
1142                 return r;
1143
1144         r = gmc_v8_0_gart_init(adev);
1145         if (r)
1146                 return r;
1147
1148         /*
1149          * number of VMs
1150          * VMID 0 is reserved for System
1151          * amdgpu graphics/compute will use VMIDs 1-7
1152          * amdkfd will use VMIDs 8-15
1153          */
1154         adev->vm_manager.first_kfd_vmid = 8;
1155         amdgpu_vm_manager_init(adev);
1156
1157         /* base offset of vram pages */
1158         if (adev->flags & AMD_IS_APU) {
1159                 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1160
1161                 tmp <<= 22;
1162                 adev->vm_manager.vram_base_offset = tmp;
1163         } else {
1164                 adev->vm_manager.vram_base_offset = 0;
1165         }
1166
1167         adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info),
1168                                         GFP_KERNEL);
1169         if (!adev->gmc.vm_fault_info)
1170                 return -ENOMEM;
1171         atomic_set(&adev->gmc.vm_fault_info_updated, 0);
1172
1173         return 0;
1174 }
1175
1176 static int gmc_v8_0_sw_fini(void *handle)
1177 {
1178         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1179
1180         amdgpu_gem_force_release(adev);
1181         amdgpu_vm_manager_fini(adev);
1182         kfree(adev->gmc.vm_fault_info);
1183         amdgpu_gart_table_vram_free(adev);
1184         amdgpu_bo_fini(adev);
1185         amdgpu_ucode_release(&adev->gmc.fw);
1186
1187         return 0;
1188 }
1189
1190 static int gmc_v8_0_hw_init(void *handle)
1191 {
1192         int r;
1193         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1194
1195         gmc_v8_0_init_golden_registers(adev);
1196
1197         gmc_v8_0_mc_program(adev);
1198
1199         if (adev->asic_type == CHIP_TONGA) {
1200                 r = gmc_v8_0_tonga_mc_load_microcode(adev);
1201                 if (r) {
1202                         DRM_ERROR("Failed to load MC firmware!\n");
1203                         return r;
1204                 }
1205         } else if (adev->asic_type == CHIP_POLARIS11 ||
1206                         adev->asic_type == CHIP_POLARIS10 ||
1207                         adev->asic_type == CHIP_POLARIS12) {
1208                 r = gmc_v8_0_polaris_mc_load_microcode(adev);
1209                 if (r) {
1210                         DRM_ERROR("Failed to load MC firmware!\n");
1211                         return r;
1212                 }
1213         }
1214
1215         r = gmc_v8_0_gart_enable(adev);
1216         if (r)
1217                 return r;
1218
1219         if (amdgpu_emu_mode == 1)
1220                 return amdgpu_gmc_vram_checking(adev);
1221
1222         return 0;
1223 }
1224
1225 static int gmc_v8_0_hw_fini(void *handle)
1226 {
1227         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1228
1229         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1230         gmc_v8_0_gart_disable(adev);
1231
1232         return 0;
1233 }
1234
1235 static int gmc_v8_0_suspend(void *handle)
1236 {
1237         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1238
1239         gmc_v8_0_hw_fini(adev);
1240
1241         return 0;
1242 }
1243
1244 static int gmc_v8_0_resume(void *handle)
1245 {
1246         int r;
1247         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1248
1249         r = gmc_v8_0_hw_init(adev);
1250         if (r)
1251                 return r;
1252
1253         amdgpu_vmid_reset_all(adev);
1254
1255         return 0;
1256 }
1257
1258 static bool gmc_v8_0_is_idle(void *handle)
1259 {
1260         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1261         u32 tmp = RREG32(mmSRBM_STATUS);
1262
1263         if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1264                    SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1265                 return false;
1266
1267         return true;
1268 }
1269
1270 static int gmc_v8_0_wait_for_idle(void *handle)
1271 {
1272         unsigned int i;
1273         u32 tmp;
1274         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1275
1276         for (i = 0; i < adev->usec_timeout; i++) {
1277                 /* read MC_STATUS */
1278                 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1279                                                SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1280                                                SRBM_STATUS__MCC_BUSY_MASK |
1281                                                SRBM_STATUS__MCD_BUSY_MASK |
1282                                                SRBM_STATUS__VMC_BUSY_MASK |
1283                                                SRBM_STATUS__VMC1_BUSY_MASK);
1284                 if (!tmp)
1285                         return 0;
1286                 udelay(1);
1287         }
1288         return -ETIMEDOUT;
1289
1290 }
1291
1292 static bool gmc_v8_0_check_soft_reset(void *handle)
1293 {
1294         u32 srbm_soft_reset = 0;
1295         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1296         u32 tmp = RREG32(mmSRBM_STATUS);
1297
1298         if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1299                 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1300                                                 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1301
1302         if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1303                    SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1304                 if (!(adev->flags & AMD_IS_APU))
1305                         srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1306                                                         SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1307         }
1308
1309         if (srbm_soft_reset) {
1310                 adev->gmc.srbm_soft_reset = srbm_soft_reset;
1311                 return true;
1312         }
1313
1314         adev->gmc.srbm_soft_reset = 0;
1315
1316         return false;
1317 }
1318
1319 static int gmc_v8_0_pre_soft_reset(void *handle)
1320 {
1321         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1322
1323         if (!adev->gmc.srbm_soft_reset)
1324                 return 0;
1325
1326         gmc_v8_0_mc_stop(adev);
1327         if (gmc_v8_0_wait_for_idle(adev))
1328                 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1329
1330         return 0;
1331 }
1332
1333 static int gmc_v8_0_soft_reset(void *handle)
1334 {
1335         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1336         u32 srbm_soft_reset;
1337
1338         if (!adev->gmc.srbm_soft_reset)
1339                 return 0;
1340         srbm_soft_reset = adev->gmc.srbm_soft_reset;
1341
1342         if (srbm_soft_reset) {
1343                 u32 tmp;
1344
1345                 tmp = RREG32(mmSRBM_SOFT_RESET);
1346                 tmp |= srbm_soft_reset;
1347                 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1348                 WREG32(mmSRBM_SOFT_RESET, tmp);
1349                 tmp = RREG32(mmSRBM_SOFT_RESET);
1350
1351                 udelay(50);
1352
1353                 tmp &= ~srbm_soft_reset;
1354                 WREG32(mmSRBM_SOFT_RESET, tmp);
1355                 tmp = RREG32(mmSRBM_SOFT_RESET);
1356
1357                 /* Wait a little for things to settle down */
1358                 udelay(50);
1359         }
1360
1361         return 0;
1362 }
1363
1364 static int gmc_v8_0_post_soft_reset(void *handle)
1365 {
1366         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1367
1368         if (!adev->gmc.srbm_soft_reset)
1369                 return 0;
1370
1371         gmc_v8_0_mc_resume(adev);
1372         return 0;
1373 }
1374
1375 static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1376                                              struct amdgpu_irq_src *src,
1377                                              unsigned int type,
1378                                              enum amdgpu_interrupt_state state)
1379 {
1380         u32 tmp;
1381         u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1382                     VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1383                     VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1384                     VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1385                     VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1386                     VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1387                     VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1388
1389         switch (state) {
1390         case AMDGPU_IRQ_STATE_DISABLE:
1391                 /* system context */
1392                 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1393                 tmp &= ~bits;
1394                 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1395                 /* VMs */
1396                 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1397                 tmp &= ~bits;
1398                 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1399                 break;
1400         case AMDGPU_IRQ_STATE_ENABLE:
1401                 /* system context */
1402                 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1403                 tmp |= bits;
1404                 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1405                 /* VMs */
1406                 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1407                 tmp |= bits;
1408                 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1409                 break;
1410         default:
1411                 break;
1412         }
1413
1414         return 0;
1415 }
1416
1417 static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1418                                       struct amdgpu_irq_src *source,
1419                                       struct amdgpu_iv_entry *entry)
1420 {
1421         u32 addr, status, mc_client, vmid;
1422
1423         if (amdgpu_sriov_vf(adev)) {
1424                 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1425                         entry->src_id, entry->src_data[0]);
1426                 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n");
1427                 return 0;
1428         }
1429
1430         addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1431         status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1432         mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1433         /* reset addr and status */
1434         WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1435
1436         if (!addr && !status)
1437                 return 0;
1438
1439         amdgpu_vm_update_fault_cache(adev, entry->pasid,
1440                                      ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0));
1441
1442         if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1443                 gmc_v8_0_set_fault_enable_default(adev, false);
1444
1445         if (printk_ratelimit()) {
1446                 struct amdgpu_task_info *task_info;
1447
1448                 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1449                         entry->src_id, entry->src_data[0]);
1450
1451                 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
1452                 if (task_info) {
1453                         dev_err(adev->dev, " for process %s pid %d thread %s pid %d\n",
1454                                 task_info->process_name, task_info->tgid,
1455                                 task_info->task_name, task_info->pid);
1456                         amdgpu_vm_put_task_info(task_info);
1457                 }
1458
1459                 dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1460                                 addr);
1461                 dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1462                         status);
1463
1464                 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client,
1465                                          entry->pasid);
1466         }
1467
1468         vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1469                              VMID);
1470         if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid)
1471                 && !atomic_read(&adev->gmc.vm_fault_info_updated)) {
1472                 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info;
1473                 u32 protections = REG_GET_FIELD(status,
1474                                         VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1475                                         PROTECTIONS);
1476
1477                 info->vmid = vmid;
1478                 info->mc_id = REG_GET_FIELD(status,
1479                                             VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1480                                             MEMORY_CLIENT_ID);
1481                 info->status = status;
1482                 info->page_addr = addr;
1483                 info->prot_valid = protections & 0x7 ? true : false;
1484                 info->prot_read = protections & 0x8 ? true : false;
1485                 info->prot_write = protections & 0x10 ? true : false;
1486                 info->prot_exec = protections & 0x20 ? true : false;
1487                 mb();
1488                 atomic_set(&adev->gmc.vm_fault_info_updated, 1);
1489         }
1490
1491         return 0;
1492 }
1493
1494 static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1495                                                      bool enable)
1496 {
1497         uint32_t data;
1498
1499         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1500                 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1501                 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1502                 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1503
1504                 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1505                 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1506                 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1507
1508                 data = RREG32(mmMC_HUB_MISC_VM_CG);
1509                 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1510                 WREG32(mmMC_HUB_MISC_VM_CG, data);
1511
1512                 data = RREG32(mmMC_XPB_CLK_GAT);
1513                 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1514                 WREG32(mmMC_XPB_CLK_GAT, data);
1515
1516                 data = RREG32(mmATC_MISC_CG);
1517                 data |= ATC_MISC_CG__ENABLE_MASK;
1518                 WREG32(mmATC_MISC_CG, data);
1519
1520                 data = RREG32(mmMC_CITF_MISC_WR_CG);
1521                 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1522                 WREG32(mmMC_CITF_MISC_WR_CG, data);
1523
1524                 data = RREG32(mmMC_CITF_MISC_RD_CG);
1525                 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1526                 WREG32(mmMC_CITF_MISC_RD_CG, data);
1527
1528                 data = RREG32(mmMC_CITF_MISC_VM_CG);
1529                 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1530                 WREG32(mmMC_CITF_MISC_VM_CG, data);
1531
1532                 data = RREG32(mmVM_L2_CG);
1533                 data |= VM_L2_CG__ENABLE_MASK;
1534                 WREG32(mmVM_L2_CG, data);
1535         } else {
1536                 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1537                 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1538                 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1539
1540                 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1541                 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1542                 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1543
1544                 data = RREG32(mmMC_HUB_MISC_VM_CG);
1545                 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1546                 WREG32(mmMC_HUB_MISC_VM_CG, data);
1547
1548                 data = RREG32(mmMC_XPB_CLK_GAT);
1549                 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1550                 WREG32(mmMC_XPB_CLK_GAT, data);
1551
1552                 data = RREG32(mmATC_MISC_CG);
1553                 data &= ~ATC_MISC_CG__ENABLE_MASK;
1554                 WREG32(mmATC_MISC_CG, data);
1555
1556                 data = RREG32(mmMC_CITF_MISC_WR_CG);
1557                 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1558                 WREG32(mmMC_CITF_MISC_WR_CG, data);
1559
1560                 data = RREG32(mmMC_CITF_MISC_RD_CG);
1561                 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1562                 WREG32(mmMC_CITF_MISC_RD_CG, data);
1563
1564                 data = RREG32(mmMC_CITF_MISC_VM_CG);
1565                 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1566                 WREG32(mmMC_CITF_MISC_VM_CG, data);
1567
1568                 data = RREG32(mmVM_L2_CG);
1569                 data &= ~VM_L2_CG__ENABLE_MASK;
1570                 WREG32(mmVM_L2_CG, data);
1571         }
1572 }
1573
1574 static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1575                                        bool enable)
1576 {
1577         uint32_t data;
1578
1579         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1580                 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1581                 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1582                 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1583
1584                 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1585                 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1586                 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1587
1588                 data = RREG32(mmMC_HUB_MISC_VM_CG);
1589                 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1590                 WREG32(mmMC_HUB_MISC_VM_CG, data);
1591
1592                 data = RREG32(mmMC_XPB_CLK_GAT);
1593                 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1594                 WREG32(mmMC_XPB_CLK_GAT, data);
1595
1596                 data = RREG32(mmATC_MISC_CG);
1597                 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1598                 WREG32(mmATC_MISC_CG, data);
1599
1600                 data = RREG32(mmMC_CITF_MISC_WR_CG);
1601                 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1602                 WREG32(mmMC_CITF_MISC_WR_CG, data);
1603
1604                 data = RREG32(mmMC_CITF_MISC_RD_CG);
1605                 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1606                 WREG32(mmMC_CITF_MISC_RD_CG, data);
1607
1608                 data = RREG32(mmMC_CITF_MISC_VM_CG);
1609                 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1610                 WREG32(mmMC_CITF_MISC_VM_CG, data);
1611
1612                 data = RREG32(mmVM_L2_CG);
1613                 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1614                 WREG32(mmVM_L2_CG, data);
1615         } else {
1616                 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1617                 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1618                 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1619
1620                 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1621                 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1622                 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1623
1624                 data = RREG32(mmMC_HUB_MISC_VM_CG);
1625                 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1626                 WREG32(mmMC_HUB_MISC_VM_CG, data);
1627
1628                 data = RREG32(mmMC_XPB_CLK_GAT);
1629                 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1630                 WREG32(mmMC_XPB_CLK_GAT, data);
1631
1632                 data = RREG32(mmATC_MISC_CG);
1633                 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1634                 WREG32(mmATC_MISC_CG, data);
1635
1636                 data = RREG32(mmMC_CITF_MISC_WR_CG);
1637                 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1638                 WREG32(mmMC_CITF_MISC_WR_CG, data);
1639
1640                 data = RREG32(mmMC_CITF_MISC_RD_CG);
1641                 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1642                 WREG32(mmMC_CITF_MISC_RD_CG, data);
1643
1644                 data = RREG32(mmMC_CITF_MISC_VM_CG);
1645                 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1646                 WREG32(mmMC_CITF_MISC_VM_CG, data);
1647
1648                 data = RREG32(mmVM_L2_CG);
1649                 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1650                 WREG32(mmVM_L2_CG, data);
1651         }
1652 }
1653
1654 static int gmc_v8_0_set_clockgating_state(void *handle,
1655                                           enum amd_clockgating_state state)
1656 {
1657         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1658
1659         if (amdgpu_sriov_vf(adev))
1660                 return 0;
1661
1662         switch (adev->asic_type) {
1663         case CHIP_FIJI:
1664                 fiji_update_mc_medium_grain_clock_gating(adev,
1665                                 state == AMD_CG_STATE_GATE);
1666                 fiji_update_mc_light_sleep(adev,
1667                                 state == AMD_CG_STATE_GATE);
1668                 break;
1669         default:
1670                 break;
1671         }
1672         return 0;
1673 }
1674
1675 static int gmc_v8_0_set_powergating_state(void *handle,
1676                                           enum amd_powergating_state state)
1677 {
1678         return 0;
1679 }
1680
1681 static void gmc_v8_0_get_clockgating_state(void *handle, u64 *flags)
1682 {
1683         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1684         int data;
1685
1686         if (amdgpu_sriov_vf(adev))
1687                 *flags = 0;
1688
1689         /* AMD_CG_SUPPORT_MC_MGCG */
1690         data = RREG32(mmMC_HUB_MISC_HUB_CG);
1691         if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
1692                 *flags |= AMD_CG_SUPPORT_MC_MGCG;
1693
1694         /* AMD_CG_SUPPORT_MC_LS */
1695         if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
1696                 *flags |= AMD_CG_SUPPORT_MC_LS;
1697 }
1698
1699 static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1700         .name = "gmc_v8_0",
1701         .early_init = gmc_v8_0_early_init,
1702         .late_init = gmc_v8_0_late_init,
1703         .sw_init = gmc_v8_0_sw_init,
1704         .sw_fini = gmc_v8_0_sw_fini,
1705         .hw_init = gmc_v8_0_hw_init,
1706         .hw_fini = gmc_v8_0_hw_fini,
1707         .suspend = gmc_v8_0_suspend,
1708         .resume = gmc_v8_0_resume,
1709         .is_idle = gmc_v8_0_is_idle,
1710         .wait_for_idle = gmc_v8_0_wait_for_idle,
1711         .check_soft_reset = gmc_v8_0_check_soft_reset,
1712         .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1713         .soft_reset = gmc_v8_0_soft_reset,
1714         .post_soft_reset = gmc_v8_0_post_soft_reset,
1715         .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1716         .set_powergating_state = gmc_v8_0_set_powergating_state,
1717         .get_clockgating_state = gmc_v8_0_get_clockgating_state,
1718         .dump_ip_state = NULL,
1719         .print_ip_state = NULL,
1720 };
1721
1722 static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = {
1723         .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
1724         .flush_gpu_tlb_pasid = gmc_v8_0_flush_gpu_tlb_pasid,
1725         .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
1726         .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
1727         .set_prt = gmc_v8_0_set_prt,
1728         .get_vm_pde = gmc_v8_0_get_vm_pde,
1729         .get_vm_pte = gmc_v8_0_get_vm_pte,
1730         .get_vbios_fb_size = gmc_v8_0_get_vbios_fb_size,
1731 };
1732
1733 static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1734         .set = gmc_v8_0_vm_fault_interrupt_state,
1735         .process = gmc_v8_0_process_interrupt,
1736 };
1737
1738 static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev)
1739 {
1740         adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs;
1741 }
1742
1743 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1744 {
1745         adev->gmc.vm_fault.num_types = 1;
1746         adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1747 }
1748
1749 const struct amdgpu_ip_block_version gmc_v8_0_ip_block = {
1750         .type = AMD_IP_BLOCK_TYPE_GMC,
1751         .major = 8,
1752         .minor = 0,
1753         .rev = 0,
1754         .funcs = &gmc_v8_0_ip_funcs,
1755 };
1756
1757 const struct amdgpu_ip_block_version gmc_v8_1_ip_block = {
1758         .type = AMD_IP_BLOCK_TYPE_GMC,
1759         .major = 8,
1760         .minor = 1,
1761         .rev = 0,
1762         .funcs = &gmc_v8_0_ip_funcs,
1763 };
1764
1765 const struct amdgpu_ip_block_version gmc_v8_5_ip_block = {
1766         .type = AMD_IP_BLOCK_TYPE_GMC,
1767         .major = 8,
1768         .minor = 5,
1769         .rev = 0,
1770         .funcs = &gmc_v8_0_ip_funcs,
1771 };