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 #include <linux/firmware.h> 24 #include <drm/drmP.h> 25 #include <drm/drm_cache.h> 26 #include "amdgpu.h" 27 #include "gmc_v8_0.h" 28 #include "amdgpu_ucode.h" 29 #include "amdgpu_amdkfd.h" 30 #include "amdgpu_gem.h" 31 32 #include "gmc/gmc_8_1_d.h" 33 #include "gmc/gmc_8_1_sh_mask.h" 34 35 #include "bif/bif_5_0_d.h" 36 #include "bif/bif_5_0_sh_mask.h" 37 38 #include "oss/oss_3_0_d.h" 39 #include "oss/oss_3_0_sh_mask.h" 40 41 #include "dce/dce_10_0_d.h" 42 #include "dce/dce_10_0_sh_mask.h" 43 44 #include "vid.h" 45 #include "vi.h" 46 47 #include "amdgpu_atombios.h" 48 49 #include "ivsrcid/ivsrcid_vislands30.h" 50 51 static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev); 52 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev); 53 static int gmc_v8_0_wait_for_idle(void *handle); 54 55 MODULE_FIRMWARE("amdgpu/tonga_mc.bin"); 56 MODULE_FIRMWARE("amdgpu/polaris11_mc.bin"); 57 MODULE_FIRMWARE("amdgpu/polaris10_mc.bin"); 58 MODULE_FIRMWARE("amdgpu/polaris12_mc.bin"); 59 60 static const u32 golden_settings_tonga_a11[] = 61 { 62 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, 63 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028, 64 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991, 65 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 66 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 67 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 68 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 69 }; 70 71 static const u32 tonga_mgcg_cgcg_init[] = 72 { 73 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 74 }; 75 76 static const u32 golden_settings_fiji_a10[] = 77 { 78 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 79 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 80 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 81 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 82 }; 83 84 static const u32 fiji_mgcg_cgcg_init[] = 85 { 86 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 87 }; 88 89 static const u32 golden_settings_polaris11_a11[] = 90 { 91 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 92 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 93 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 94 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff 95 }; 96 97 static const u32 golden_settings_polaris10_a11[] = 98 { 99 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, 100 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 101 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 102 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 103 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff 104 }; 105 106 static const u32 cz_mgcg_cgcg_init[] = 107 { 108 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 109 }; 110 111 static const u32 stoney_mgcg_cgcg_init[] = 112 { 113 mmATC_MISC_CG, 0xffffffff, 0x000c0200, 114 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 115 }; 116 117 static const u32 golden_settings_stoney_common[] = 118 { 119 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004, 120 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000 121 }; 122 123 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) 124 { 125 switch (adev->asic_type) { 126 case CHIP_FIJI: 127 amdgpu_device_program_register_sequence(adev, 128 fiji_mgcg_cgcg_init, 129 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 130 amdgpu_device_program_register_sequence(adev, 131 golden_settings_fiji_a10, 132 ARRAY_SIZE(golden_settings_fiji_a10)); 133 break; 134 case CHIP_TONGA: 135 amdgpu_device_program_register_sequence(adev, 136 tonga_mgcg_cgcg_init, 137 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 138 amdgpu_device_program_register_sequence(adev, 139 golden_settings_tonga_a11, 140 ARRAY_SIZE(golden_settings_tonga_a11)); 141 break; 142 case CHIP_POLARIS11: 143 case CHIP_POLARIS12: 144 case CHIP_VEGAM: 145 amdgpu_device_program_register_sequence(adev, 146 golden_settings_polaris11_a11, 147 ARRAY_SIZE(golden_settings_polaris11_a11)); 148 break; 149 case CHIP_POLARIS10: 150 amdgpu_device_program_register_sequence(adev, 151 golden_settings_polaris10_a11, 152 ARRAY_SIZE(golden_settings_polaris10_a11)); 153 break; 154 case CHIP_CARRIZO: 155 amdgpu_device_program_register_sequence(adev, 156 cz_mgcg_cgcg_init, 157 ARRAY_SIZE(cz_mgcg_cgcg_init)); 158 break; 159 case CHIP_STONEY: 160 amdgpu_device_program_register_sequence(adev, 161 stoney_mgcg_cgcg_init, 162 ARRAY_SIZE(stoney_mgcg_cgcg_init)); 163 amdgpu_device_program_register_sequence(adev, 164 golden_settings_stoney_common, 165 ARRAY_SIZE(golden_settings_stoney_common)); 166 break; 167 default: 168 break; 169 } 170 } 171 172 static void gmc_v8_0_mc_stop(struct amdgpu_device *adev) 173 { 174 u32 blackout; 175 176 gmc_v8_0_wait_for_idle(adev); 177 178 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 179 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { 180 /* Block CPU access */ 181 WREG32(mmBIF_FB_EN, 0); 182 /* blackout the MC */ 183 blackout = REG_SET_FIELD(blackout, 184 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1); 185 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); 186 } 187 /* wait for the MC to settle */ 188 udelay(100); 189 } 190 191 static void gmc_v8_0_mc_resume(struct amdgpu_device *adev) 192 { 193 u32 tmp; 194 195 /* unblackout the MC */ 196 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 197 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); 198 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); 199 /* allow CPU access */ 200 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); 201 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); 202 WREG32(mmBIF_FB_EN, tmp); 203 } 204 205 /** 206 * gmc_v8_0_init_microcode - load ucode images from disk 207 * 208 * @adev: amdgpu_device pointer 209 * 210 * Use the firmware interface to load the ucode images into 211 * the driver (not loaded into hw). 212 * Returns 0 on success, error on failure. 213 */ 214 static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) 215 { 216 const char *chip_name; 217 char fw_name[30]; 218 int err; 219 220 DRM_DEBUG("\n"); 221 222 switch (adev->asic_type) { 223 case CHIP_TONGA: 224 chip_name = "tonga"; 225 break; 226 case CHIP_POLARIS11: 227 chip_name = "polaris11"; 228 break; 229 case CHIP_POLARIS10: 230 chip_name = "polaris10"; 231 break; 232 case CHIP_POLARIS12: 233 chip_name = "polaris12"; 234 break; 235 case CHIP_FIJI: 236 case CHIP_CARRIZO: 237 case CHIP_STONEY: 238 case CHIP_VEGAM: 239 return 0; 240 default: BUG(); 241 } 242 243 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); 244 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev); 245 if (err) 246 goto out; 247 err = amdgpu_ucode_validate(adev->gmc.fw); 248 249 out: 250 if (err) { 251 pr_err("mc: Failed to load firmware \"%s\"\n", fw_name); 252 release_firmware(adev->gmc.fw); 253 adev->gmc.fw = NULL; 254 } 255 return err; 256 } 257 258 /** 259 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw 260 * 261 * @adev: amdgpu_device pointer 262 * 263 * Load the GDDR MC ucode into the hw (CIK). 264 * Returns 0 on success, error on failure. 265 */ 266 static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev) 267 { 268 const struct mc_firmware_header_v1_0 *hdr; 269 const __le32 *fw_data = NULL; 270 const __le32 *io_mc_regs = NULL; 271 u32 running; 272 int i, ucode_size, regs_size; 273 274 /* Skip MC ucode loading on SR-IOV capable boards. 275 * vbios does this for us in asic_init in that case. 276 * Skip MC ucode loading on VF, because hypervisor will do that 277 * for this adaptor. 278 */ 279 if (amdgpu_sriov_bios(adev)) 280 return 0; 281 282 if (!adev->gmc.fw) 283 return -EINVAL; 284 285 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; 286 amdgpu_ucode_print_mc_hdr(&hdr->header); 287 288 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); 289 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); 290 io_mc_regs = (const __le32 *) 291 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); 292 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 293 fw_data = (const __le32 *) 294 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 295 296 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); 297 298 if (running == 0) { 299 /* reset the engine and set to writable */ 300 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 301 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); 302 303 /* load mc io regs */ 304 for (i = 0; i < regs_size; i++) { 305 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); 306 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); 307 } 308 /* load the MC ucode */ 309 for (i = 0; i < ucode_size; i++) 310 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); 311 312 /* put the engine back into the active state */ 313 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 314 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); 315 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); 316 317 /* wait for training to complete */ 318 for (i = 0; i < adev->usec_timeout; i++) { 319 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), 320 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) 321 break; 322 udelay(1); 323 } 324 for (i = 0; i < adev->usec_timeout; i++) { 325 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), 326 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) 327 break; 328 udelay(1); 329 } 330 } 331 332 return 0; 333 } 334 335 static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev) 336 { 337 const struct mc_firmware_header_v1_0 *hdr; 338 const __le32 *fw_data = NULL; 339 const __le32 *io_mc_regs = NULL; 340 u32 data, vbios_version; 341 int i, ucode_size, regs_size; 342 343 /* Skip MC ucode loading on SR-IOV capable boards. 344 * vbios does this for us in asic_init in that case. 345 * Skip MC ucode loading on VF, because hypervisor will do that 346 * for this adaptor. 347 */ 348 if (amdgpu_sriov_bios(adev)) 349 return 0; 350 351 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 0x9F); 352 data = RREG32(mmMC_SEQ_IO_DEBUG_DATA); 353 vbios_version = data & 0xf; 354 355 if (vbios_version == 0) 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_device_vram_location(adev, &adev->gmc, base); 415 amdgpu_device_gart_location(adev, mc); 416 } 417 418 /** 419 * gmc_v8_0_mc_program - program the GPU memory controller 420 * 421 * @adev: amdgpu_device pointer 422 * 423 * Set the location of vram, gart, and AGP in the GPU's 424 * physical address space (CIK). 425 */ 426 static void gmc_v8_0_mc_program(struct amdgpu_device *adev) 427 { 428 u32 tmp; 429 int i, j; 430 431 /* Initialize HDP */ 432 for (i = 0, j = 0; i < 32; i++, j += 0x6) { 433 WREG32((0xb05 + j), 0x00000000); 434 WREG32((0xb06 + j), 0x00000000); 435 WREG32((0xb07 + j), 0x00000000); 436 WREG32((0xb08 + j), 0x00000000); 437 WREG32((0xb09 + j), 0x00000000); 438 } 439 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); 440 441 if (gmc_v8_0_wait_for_idle((void *)adev)) { 442 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 443 } 444 if (adev->mode_info.num_crtc) { 445 /* Lockout access through VGA aperture*/ 446 tmp = RREG32(mmVGA_HDP_CONTROL); 447 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 448 WREG32(mmVGA_HDP_CONTROL, tmp); 449 450 /* disable VGA render */ 451 tmp = RREG32(mmVGA_RENDER_CONTROL); 452 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 453 WREG32(mmVGA_RENDER_CONTROL, tmp); 454 } 455 /* Update configuration */ 456 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 457 adev->gmc.vram_start >> 12); 458 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 459 adev->gmc.vram_end >> 12); 460 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 461 adev->vram_scratch.gpu_addr >> 12); 462 463 if (amdgpu_sriov_vf(adev)) { 464 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16; 465 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF); 466 WREG32(mmMC_VM_FB_LOCATION, tmp); 467 /* XXX double check these! */ 468 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); 469 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); 470 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF); 471 } 472 473 WREG32(mmMC_VM_AGP_BASE, 0); 474 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); 475 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); 476 if (gmc_v8_0_wait_for_idle((void *)adev)) { 477 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 478 } 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 (CIK). 497 * Returns 0 for success. 498 */ 499 static int gmc_v8_0_mc_init(struct amdgpu_device *adev) 500 { 501 int r; 502 503 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev); 504 if (!adev->gmc.vram_width) { 505 u32 tmp; 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 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; 550 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; 551 552 if (!(adev->flags & AMD_IS_APU)) { 553 r = amdgpu_device_resize_fb_bar(adev); 554 if (r) 555 return r; 556 } 557 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 558 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 559 560 #ifdef CONFIG_X86_64 561 if (adev->flags & AMD_IS_APU) { 562 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22; 563 adev->gmc.aper_size = adev->gmc.real_vram_size; 564 } 565 #endif 566 567 /* In case the PCI BAR is larger than the actual amount of vram */ 568 adev->gmc.visible_vram_size = adev->gmc.aper_size; 569 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 570 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 571 572 /* set the gart size */ 573 if (amdgpu_gart_size == -1) { 574 switch (adev->asic_type) { 575 case CHIP_POLARIS10: /* all engines support GPUVM */ 576 case CHIP_POLARIS11: /* all engines support GPUVM */ 577 case CHIP_POLARIS12: /* all engines support GPUVM */ 578 case CHIP_VEGAM: /* all engines support GPUVM */ 579 default: 580 adev->gmc.gart_size = 256ULL << 20; 581 break; 582 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */ 583 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */ 584 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */ 585 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */ 586 adev->gmc.gart_size = 1024ULL << 20; 587 break; 588 } 589 } else { 590 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 591 } 592 593 gmc_v8_0_vram_gtt_location(adev, &adev->gmc); 594 595 return 0; 596 } 597 598 /* 599 * GART 600 * VMID 0 is the physical GPU addresses as used by the kernel. 601 * VMIDs 1-15 are used for userspace clients and are handled 602 * by the amdgpu vm/hsa code. 603 */ 604 605 /** 606 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback 607 * 608 * @adev: amdgpu_device pointer 609 * @vmid: vm instance to flush 610 * 611 * Flush the TLB for the requested page table (CIK). 612 */ 613 static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, 614 uint32_t vmid) 615 { 616 /* bits 0-15 are the VM contexts0-15 */ 617 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); 618 } 619 620 static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 621 unsigned vmid, uint64_t pd_addr) 622 { 623 uint32_t reg; 624 625 if (vmid < 8) 626 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; 627 else 628 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8; 629 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); 630 631 /* bits 0-15 are the VM contexts0-15 */ 632 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); 633 634 return pd_addr; 635 } 636 637 static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 638 unsigned pasid) 639 { 640 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); 641 } 642 643 /** 644 * gmc_v8_0_set_pte_pde - update the page tables using MMIO 645 * 646 * @adev: amdgpu_device pointer 647 * @cpu_pt_addr: cpu address of the page table 648 * @gpu_page_idx: entry in the page table to update 649 * @addr: dst addr to write into pte/pde 650 * @flags: access flags 651 * 652 * Update the page tables using the CPU. 653 */ 654 static int gmc_v8_0_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr, 655 uint32_t gpu_page_idx, uint64_t addr, 656 uint64_t flags) 657 { 658 void __iomem *ptr = (void *)cpu_pt_addr; 659 uint64_t value; 660 661 /* 662 * PTE format on VI: 663 * 63:40 reserved 664 * 39:12 4k physical page base address 665 * 11:7 fragment 666 * 6 write 667 * 5 read 668 * 4 exe 669 * 3 reserved 670 * 2 snooped 671 * 1 system 672 * 0 valid 673 * 674 * PDE format on VI: 675 * 63:59 block fragment size 676 * 58:40 reserved 677 * 39:1 physical base address of PTE 678 * bits 5:1 must be 0. 679 * 0 valid 680 */ 681 value = addr & 0x000000FFFFFFF000ULL; 682 value |= flags; 683 writeq(value, ptr + (gpu_page_idx * 8)); 684 685 return 0; 686 } 687 688 static uint64_t gmc_v8_0_get_vm_pte_flags(struct amdgpu_device *adev, 689 uint32_t flags) 690 { 691 uint64_t pte_flag = 0; 692 693 if (flags & AMDGPU_VM_PAGE_EXECUTABLE) 694 pte_flag |= AMDGPU_PTE_EXECUTABLE; 695 if (flags & AMDGPU_VM_PAGE_READABLE) 696 pte_flag |= AMDGPU_PTE_READABLE; 697 if (flags & AMDGPU_VM_PAGE_WRITEABLE) 698 pte_flag |= AMDGPU_PTE_WRITEABLE; 699 if (flags & AMDGPU_VM_PAGE_PRT) 700 pte_flag |= AMDGPU_PTE_PRT; 701 702 return pte_flag; 703 } 704 705 static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level, 706 uint64_t *addr, uint64_t *flags) 707 { 708 BUG_ON(*addr & 0xFFFFFF0000000FFFULL); 709 } 710 711 /** 712 * gmc_v8_0_set_fault_enable_default - update VM fault handling 713 * 714 * @adev: amdgpu_device pointer 715 * @value: true redirects VM faults to the default page 716 */ 717 static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev, 718 bool value) 719 { 720 u32 tmp; 721 722 tmp = RREG32(mmVM_CONTEXT1_CNTL); 723 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 724 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 725 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 726 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 727 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 728 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 729 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 730 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 731 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 732 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 733 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 734 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 735 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 736 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 737 WREG32(mmVM_CONTEXT1_CNTL, tmp); 738 } 739 740 /** 741 * gmc_v8_0_set_prt - set PRT VM fault 742 * 743 * @adev: amdgpu_device pointer 744 * @enable: enable/disable VM fault handling for PRT 745 */ 746 static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable) 747 { 748 u32 tmp; 749 750 if (enable && !adev->gmc.prt_warning) { 751 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n"); 752 adev->gmc.prt_warning = true; 753 } 754 755 tmp = RREG32(mmVM_PRT_CNTL); 756 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 757 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); 758 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 759 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); 760 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 761 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); 762 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 763 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); 764 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 765 L2_CACHE_STORE_INVALID_ENTRIES, enable); 766 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 767 L1_TLB_STORE_INVALID_ENTRIES, enable); 768 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 769 MASK_PDE0_FAULT, enable); 770 WREG32(mmVM_PRT_CNTL, tmp); 771 772 if (enable) { 773 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT; 774 uint32_t high = adev->vm_manager.max_pfn - 775 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT); 776 777 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low); 778 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low); 779 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low); 780 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low); 781 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high); 782 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high); 783 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high); 784 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high); 785 } else { 786 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff); 787 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff); 788 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff); 789 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff); 790 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0); 791 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0); 792 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0); 793 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0); 794 } 795 } 796 797 /** 798 * gmc_v8_0_gart_enable - gart enable 799 * 800 * @adev: amdgpu_device pointer 801 * 802 * This sets up the TLBs, programs the page tables for VMID0, 803 * sets up the hw for VMIDs 1-15 which are allocated on 804 * demand, and sets up the global locations for the LDS, GDS, 805 * and GPUVM for FSA64 clients (CIK). 806 * Returns 0 for success, errors for failure. 807 */ 808 static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) 809 { 810 int r, i; 811 u32 tmp, field; 812 813 if (adev->gart.robj == NULL) { 814 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 815 return -EINVAL; 816 } 817 r = amdgpu_gart_table_vram_pin(adev); 818 if (r) 819 return r; 820 /* Setup TLB control */ 821 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); 822 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 823 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); 824 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 825 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); 826 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 827 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); 828 /* Setup L2 cache */ 829 tmp = RREG32(mmVM_L2_CNTL); 830 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); 831 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); 832 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); 833 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); 834 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); 835 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 836 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 837 WREG32(mmVM_L2_CNTL, tmp); 838 tmp = RREG32(mmVM_L2_CNTL2); 839 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 840 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 841 WREG32(mmVM_L2_CNTL2, tmp); 842 843 field = adev->vm_manager.fragment_size; 844 tmp = RREG32(mmVM_L2_CNTL3); 845 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); 846 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field); 847 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field); 848 WREG32(mmVM_L2_CNTL3, tmp); 849 /* XXX: set to enable PTE/PDE in system memory */ 850 tmp = RREG32(mmVM_L2_CNTL4); 851 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0); 852 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0); 853 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0); 854 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0); 855 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0); 856 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0); 857 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0); 858 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0); 859 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0); 860 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0); 861 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0); 862 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0); 863 WREG32(mmVM_L2_CNTL4, tmp); 864 /* setup context0 */ 865 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12); 866 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); 867 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); 868 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 869 (u32)(adev->dummy_page_addr >> 12)); 870 WREG32(mmVM_CONTEXT0_CNTL2, 0); 871 tmp = RREG32(mmVM_CONTEXT0_CNTL); 872 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 873 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 874 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 875 WREG32(mmVM_CONTEXT0_CNTL, tmp); 876 877 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0); 878 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0); 879 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0); 880 881 /* empty context1-15 */ 882 /* FIXME start with 4G, once using 2 level pt switch to full 883 * vm size space 884 */ 885 /* set vm size, must be a multiple of 4 */ 886 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); 887 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); 888 for (i = 1; i < 16; i++) { 889 if (i < 8) 890 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, 891 adev->gart.table_addr >> 12); 892 else 893 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, 894 adev->gart.table_addr >> 12); 895 } 896 897 /* enable context1-15 */ 898 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 899 (u32)(adev->dummy_page_addr >> 12)); 900 WREG32(mmVM_CONTEXT1_CNTL2, 4); 901 tmp = RREG32(mmVM_CONTEXT1_CNTL); 902 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 903 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); 904 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 905 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 906 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 907 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 908 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 909 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 910 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 911 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, 912 adev->vm_manager.block_size - 9); 913 WREG32(mmVM_CONTEXT1_CNTL, tmp); 914 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 915 gmc_v8_0_set_fault_enable_default(adev, false); 916 else 917 gmc_v8_0_set_fault_enable_default(adev, true); 918 919 gmc_v8_0_flush_gpu_tlb(adev, 0); 920 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 921 (unsigned)(adev->gmc.gart_size >> 20), 922 (unsigned long long)adev->gart.table_addr); 923 adev->gart.ready = true; 924 return 0; 925 } 926 927 static int gmc_v8_0_gart_init(struct amdgpu_device *adev) 928 { 929 int r; 930 931 if (adev->gart.robj) { 932 WARN(1, "R600 PCIE GART already initialized\n"); 933 return 0; 934 } 935 /* Initialize common gart structure */ 936 r = amdgpu_gart_init(adev); 937 if (r) 938 return r; 939 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 940 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE; 941 return amdgpu_gart_table_vram_alloc(adev); 942 } 943 944 /** 945 * gmc_v8_0_gart_disable - gart disable 946 * 947 * @adev: amdgpu_device pointer 948 * 949 * This disables all VM page table (CIK). 950 */ 951 static void gmc_v8_0_gart_disable(struct amdgpu_device *adev) 952 { 953 u32 tmp; 954 955 /* Disable all tables */ 956 WREG32(mmVM_CONTEXT0_CNTL, 0); 957 WREG32(mmVM_CONTEXT1_CNTL, 0); 958 /* Setup TLB control */ 959 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); 960 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 961 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); 962 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); 963 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); 964 /* Setup L2 cache */ 965 tmp = RREG32(mmVM_L2_CNTL); 966 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); 967 WREG32(mmVM_L2_CNTL, tmp); 968 WREG32(mmVM_L2_CNTL2, 0); 969 amdgpu_gart_table_vram_unpin(adev); 970 } 971 972 /** 973 * gmc_v8_0_vm_decode_fault - print human readable fault info 974 * 975 * @adev: amdgpu_device pointer 976 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value 977 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value 978 * 979 * Print human readable fault information (CIK). 980 */ 981 static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, 982 u32 addr, u32 mc_client, unsigned pasid) 983 { 984 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); 985 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 986 PROTECTIONS); 987 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, 988 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; 989 u32 mc_id; 990 991 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 992 MEMORY_CLIENT_ID); 993 994 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", 995 protections, vmid, pasid, addr, 996 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 997 MEMORY_CLIENT_RW) ? 998 "write" : "read", block, mc_client, mc_id); 999 } 1000 1001 static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type) 1002 { 1003 switch (mc_seq_vram_type) { 1004 case MC_SEQ_MISC0__MT__GDDR1: 1005 return AMDGPU_VRAM_TYPE_GDDR1; 1006 case MC_SEQ_MISC0__MT__DDR2: 1007 return AMDGPU_VRAM_TYPE_DDR2; 1008 case MC_SEQ_MISC0__MT__GDDR3: 1009 return AMDGPU_VRAM_TYPE_GDDR3; 1010 case MC_SEQ_MISC0__MT__GDDR4: 1011 return AMDGPU_VRAM_TYPE_GDDR4; 1012 case MC_SEQ_MISC0__MT__GDDR5: 1013 return AMDGPU_VRAM_TYPE_GDDR5; 1014 case MC_SEQ_MISC0__MT__HBM: 1015 return AMDGPU_VRAM_TYPE_HBM; 1016 case MC_SEQ_MISC0__MT__DDR3: 1017 return AMDGPU_VRAM_TYPE_DDR3; 1018 default: 1019 return AMDGPU_VRAM_TYPE_UNKNOWN; 1020 } 1021 } 1022 1023 static int gmc_v8_0_early_init(void *handle) 1024 { 1025 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1026 1027 gmc_v8_0_set_gmc_funcs(adev); 1028 gmc_v8_0_set_irq_funcs(adev); 1029 1030 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 1031 adev->gmc.shared_aperture_end = 1032 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 1033 adev->gmc.private_aperture_start = 1034 adev->gmc.shared_aperture_end + 1; 1035 adev->gmc.private_aperture_end = 1036 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 1037 1038 return 0; 1039 } 1040 1041 static int gmc_v8_0_late_init(void *handle) 1042 { 1043 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1044 1045 amdgpu_bo_late_init(adev); 1046 1047 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) 1048 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 1049 else 1050 return 0; 1051 } 1052 1053 static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) 1054 { 1055 u32 d1vga_control = RREG32(mmD1VGA_CONTROL); 1056 unsigned size; 1057 1058 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 1059 size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ 1060 } else { 1061 u32 viewport = RREG32(mmVIEWPORT_SIZE); 1062 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * 1063 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 1064 4); 1065 } 1066 /* return 0 if the pre-OS buffer uses up most of vram */ 1067 if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) 1068 return 0; 1069 return size; 1070 } 1071 1072 #define mmMC_SEQ_MISC0_FIJI 0xA71 1073 1074 static int gmc_v8_0_sw_init(void *handle) 1075 { 1076 int r; 1077 int dma_bits; 1078 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1079 1080 if (adev->flags & AMD_IS_APU) { 1081 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; 1082 } else { 1083 u32 tmp; 1084 1085 if ((adev->asic_type == CHIP_FIJI) || 1086 (adev->asic_type == CHIP_VEGAM)) 1087 tmp = RREG32(mmMC_SEQ_MISC0_FIJI); 1088 else 1089 tmp = RREG32(mmMC_SEQ_MISC0); 1090 tmp &= MC_SEQ_MISC0__MT__MASK; 1091 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp); 1092 } 1093 1094 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault); 1095 if (r) 1096 return r; 1097 1098 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault); 1099 if (r) 1100 return r; 1101 1102 /* Adjust VM size here. 1103 * Currently set to 4GB ((1 << 20) 4k pages). 1104 * Max GPUVM size for cayman and SI is 40 bits. 1105 */ 1106 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40); 1107 1108 /* Set the internal MC address mask 1109 * This is the max address of the GPU's 1110 * internal address space. 1111 */ 1112 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ 1113 1114 /* set DMA mask + need_dma32 flags. 1115 * PCIE - can handle 40-bits. 1116 * IGP - can handle 40-bits 1117 * PCI - dma32 for legacy pci gart, 40 bits on newer asics 1118 */ 1119 adev->need_dma32 = false; 1120 dma_bits = adev->need_dma32 ? 32 : 40; 1121 r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); 1122 if (r) { 1123 adev->need_dma32 = true; 1124 dma_bits = 32; 1125 pr_warn("amdgpu: No suitable DMA available\n"); 1126 } 1127 r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); 1128 if (r) { 1129 pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); 1130 pr_warn("amdgpu: No coherent DMA available\n"); 1131 } 1132 adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits); 1133 1134 r = gmc_v8_0_init_microcode(adev); 1135 if (r) { 1136 DRM_ERROR("Failed to load mc firmware!\n"); 1137 return r; 1138 } 1139 1140 r = gmc_v8_0_mc_init(adev); 1141 if (r) 1142 return r; 1143 1144 adev->gmc.stolen_size = gmc_v8_0_get_vbios_fb_size(adev); 1145 1146 /* Memory manager */ 1147 r = amdgpu_bo_init(adev); 1148 if (r) 1149 return r; 1150 1151 r = gmc_v8_0_gart_init(adev); 1152 if (r) 1153 return r; 1154 1155 /* 1156 * number of VMs 1157 * VMID 0 is reserved for System 1158 * amdgpu graphics/compute will use VMIDs 1-7 1159 * amdkfd will use VMIDs 8-15 1160 */ 1161 adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS; 1162 amdgpu_vm_manager_init(adev); 1163 1164 /* base offset of vram pages */ 1165 if (adev->flags & AMD_IS_APU) { 1166 u64 tmp = RREG32(mmMC_VM_FB_OFFSET); 1167 1168 tmp <<= 22; 1169 adev->vm_manager.vram_base_offset = tmp; 1170 } else { 1171 adev->vm_manager.vram_base_offset = 0; 1172 } 1173 1174 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info), 1175 GFP_KERNEL); 1176 if (!adev->gmc.vm_fault_info) 1177 return -ENOMEM; 1178 atomic_set(&adev->gmc.vm_fault_info_updated, 0); 1179 1180 return 0; 1181 } 1182 1183 static int gmc_v8_0_sw_fini(void *handle) 1184 { 1185 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1186 1187 amdgpu_gem_force_release(adev); 1188 amdgpu_vm_manager_fini(adev); 1189 kfree(adev->gmc.vm_fault_info); 1190 amdgpu_gart_table_vram_free(adev); 1191 amdgpu_bo_fini(adev); 1192 amdgpu_gart_fini(adev); 1193 release_firmware(adev->gmc.fw); 1194 adev->gmc.fw = NULL; 1195 1196 return 0; 1197 } 1198 1199 static int gmc_v8_0_hw_init(void *handle) 1200 { 1201 int r; 1202 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1203 1204 gmc_v8_0_init_golden_registers(adev); 1205 1206 gmc_v8_0_mc_program(adev); 1207 1208 if (adev->asic_type == CHIP_TONGA) { 1209 r = gmc_v8_0_tonga_mc_load_microcode(adev); 1210 if (r) { 1211 DRM_ERROR("Failed to load MC firmware!\n"); 1212 return r; 1213 } 1214 } else if (adev->asic_type == CHIP_POLARIS11 || 1215 adev->asic_type == CHIP_POLARIS10 || 1216 adev->asic_type == CHIP_POLARIS12) { 1217 r = gmc_v8_0_polaris_mc_load_microcode(adev); 1218 if (r) { 1219 DRM_ERROR("Failed to load MC firmware!\n"); 1220 return r; 1221 } 1222 } 1223 1224 r = gmc_v8_0_gart_enable(adev); 1225 if (r) 1226 return r; 1227 1228 return r; 1229 } 1230 1231 static int gmc_v8_0_hw_fini(void *handle) 1232 { 1233 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1234 1235 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 1236 gmc_v8_0_gart_disable(adev); 1237 1238 return 0; 1239 } 1240 1241 static int gmc_v8_0_suspend(void *handle) 1242 { 1243 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1244 1245 gmc_v8_0_hw_fini(adev); 1246 1247 return 0; 1248 } 1249 1250 static int gmc_v8_0_resume(void *handle) 1251 { 1252 int r; 1253 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1254 1255 r = gmc_v8_0_hw_init(adev); 1256 if (r) 1257 return r; 1258 1259 amdgpu_vmid_reset_all(adev); 1260 1261 return 0; 1262 } 1263 1264 static bool gmc_v8_0_is_idle(void *handle) 1265 { 1266 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1267 u32 tmp = RREG32(mmSRBM_STATUS); 1268 1269 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1270 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) 1271 return false; 1272 1273 return true; 1274 } 1275 1276 static int gmc_v8_0_wait_for_idle(void *handle) 1277 { 1278 unsigned i; 1279 u32 tmp; 1280 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1281 1282 for (i = 0; i < adev->usec_timeout; i++) { 1283 /* read MC_STATUS */ 1284 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | 1285 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1286 SRBM_STATUS__MCC_BUSY_MASK | 1287 SRBM_STATUS__MCD_BUSY_MASK | 1288 SRBM_STATUS__VMC_BUSY_MASK | 1289 SRBM_STATUS__VMC1_BUSY_MASK); 1290 if (!tmp) 1291 return 0; 1292 udelay(1); 1293 } 1294 return -ETIMEDOUT; 1295 1296 } 1297 1298 static bool gmc_v8_0_check_soft_reset(void *handle) 1299 { 1300 u32 srbm_soft_reset = 0; 1301 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1302 u32 tmp = RREG32(mmSRBM_STATUS); 1303 1304 if (tmp & SRBM_STATUS__VMC_BUSY_MASK) 1305 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1306 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); 1307 1308 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1309 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { 1310 if (!(adev->flags & AMD_IS_APU)) 1311 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1312 SRBM_SOFT_RESET, SOFT_RESET_MC, 1); 1313 } 1314 if (srbm_soft_reset) { 1315 adev->gmc.srbm_soft_reset = srbm_soft_reset; 1316 return true; 1317 } else { 1318 adev->gmc.srbm_soft_reset = 0; 1319 return false; 1320 } 1321 } 1322 1323 static int gmc_v8_0_pre_soft_reset(void *handle) 1324 { 1325 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1326 1327 if (!adev->gmc.srbm_soft_reset) 1328 return 0; 1329 1330 gmc_v8_0_mc_stop(adev); 1331 if (gmc_v8_0_wait_for_idle(adev)) { 1332 dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); 1333 } 1334 1335 return 0; 1336 } 1337 1338 static int gmc_v8_0_soft_reset(void *handle) 1339 { 1340 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1341 u32 srbm_soft_reset; 1342 1343 if (!adev->gmc.srbm_soft_reset) 1344 return 0; 1345 srbm_soft_reset = adev->gmc.srbm_soft_reset; 1346 1347 if (srbm_soft_reset) { 1348 u32 tmp; 1349 1350 tmp = RREG32(mmSRBM_SOFT_RESET); 1351 tmp |= srbm_soft_reset; 1352 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1353 WREG32(mmSRBM_SOFT_RESET, tmp); 1354 tmp = RREG32(mmSRBM_SOFT_RESET); 1355 1356 udelay(50); 1357 1358 tmp &= ~srbm_soft_reset; 1359 WREG32(mmSRBM_SOFT_RESET, tmp); 1360 tmp = RREG32(mmSRBM_SOFT_RESET); 1361 1362 /* Wait a little for things to settle down */ 1363 udelay(50); 1364 } 1365 1366 return 0; 1367 } 1368 1369 static int gmc_v8_0_post_soft_reset(void *handle) 1370 { 1371 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1372 1373 if (!adev->gmc.srbm_soft_reset) 1374 return 0; 1375 1376 gmc_v8_0_mc_resume(adev); 1377 return 0; 1378 } 1379 1380 static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 1381 struct amdgpu_irq_src *src, 1382 unsigned type, 1383 enum amdgpu_interrupt_state state) 1384 { 1385 u32 tmp; 1386 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1387 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1388 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1389 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1390 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1391 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1392 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); 1393 1394 switch (state) { 1395 case AMDGPU_IRQ_STATE_DISABLE: 1396 /* system context */ 1397 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1398 tmp &= ~bits; 1399 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1400 /* VMs */ 1401 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1402 tmp &= ~bits; 1403 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1404 break; 1405 case AMDGPU_IRQ_STATE_ENABLE: 1406 /* system context */ 1407 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1408 tmp |= bits; 1409 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1410 /* VMs */ 1411 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1412 tmp |= bits; 1413 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1414 break; 1415 default: 1416 break; 1417 } 1418 1419 return 0; 1420 } 1421 1422 static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, 1423 struct amdgpu_irq_src *source, 1424 struct amdgpu_iv_entry *entry) 1425 { 1426 u32 addr, status, mc_client, vmid; 1427 1428 if (amdgpu_sriov_vf(adev)) { 1429 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", 1430 entry->src_id, entry->src_data[0]); 1431 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n"); 1432 return 0; 1433 } 1434 1435 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); 1436 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); 1437 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); 1438 /* reset addr and status */ 1439 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); 1440 1441 if (!addr && !status) 1442 return 0; 1443 1444 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) 1445 gmc_v8_0_set_fault_enable_default(adev, false); 1446 1447 if (printk_ratelimit()) { 1448 struct amdgpu_task_info task_info = { 0 }; 1449 1450 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 1451 1452 dev_err(adev->dev, "GPU fault detected: %d 0x%08x for process %s pid %d thread %s pid %d\n", 1453 entry->src_id, entry->src_data[0], task_info.process_name, 1454 task_info.tgid, task_info.task_name, task_info.pid); 1455 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1456 addr); 1457 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1458 status); 1459 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client, 1460 entry->pasid); 1461 } 1462 1463 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1464 VMID); 1465 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid) 1466 && !atomic_read(&adev->gmc.vm_fault_info_updated)) { 1467 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info; 1468 u32 protections = REG_GET_FIELD(status, 1469 VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1470 PROTECTIONS); 1471 1472 info->vmid = vmid; 1473 info->mc_id = REG_GET_FIELD(status, 1474 VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1475 MEMORY_CLIENT_ID); 1476 info->status = status; 1477 info->page_addr = addr; 1478 info->prot_valid = protections & 0x7 ? true : false; 1479 info->prot_read = protections & 0x8 ? true : false; 1480 info->prot_write = protections & 0x10 ? true : false; 1481 info->prot_exec = protections & 0x20 ? true : false; 1482 mb(); 1483 atomic_set(&adev->gmc.vm_fault_info_updated, 1); 1484 } 1485 1486 return 0; 1487 } 1488 1489 static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, 1490 bool enable) 1491 { 1492 uint32_t data; 1493 1494 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { 1495 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1496 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK; 1497 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1498 1499 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1500 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK; 1501 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1502 1503 data = RREG32(mmMC_HUB_MISC_VM_CG); 1504 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK; 1505 WREG32(mmMC_HUB_MISC_VM_CG, data); 1506 1507 data = RREG32(mmMC_XPB_CLK_GAT); 1508 data |= MC_XPB_CLK_GAT__ENABLE_MASK; 1509 WREG32(mmMC_XPB_CLK_GAT, data); 1510 1511 data = RREG32(mmATC_MISC_CG); 1512 data |= ATC_MISC_CG__ENABLE_MASK; 1513 WREG32(mmATC_MISC_CG, data); 1514 1515 data = RREG32(mmMC_CITF_MISC_WR_CG); 1516 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK; 1517 WREG32(mmMC_CITF_MISC_WR_CG, data); 1518 1519 data = RREG32(mmMC_CITF_MISC_RD_CG); 1520 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK; 1521 WREG32(mmMC_CITF_MISC_RD_CG, data); 1522 1523 data = RREG32(mmMC_CITF_MISC_VM_CG); 1524 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK; 1525 WREG32(mmMC_CITF_MISC_VM_CG, data); 1526 1527 data = RREG32(mmVM_L2_CG); 1528 data |= VM_L2_CG__ENABLE_MASK; 1529 WREG32(mmVM_L2_CG, data); 1530 } else { 1531 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1532 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK; 1533 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1534 1535 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1536 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK; 1537 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1538 1539 data = RREG32(mmMC_HUB_MISC_VM_CG); 1540 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK; 1541 WREG32(mmMC_HUB_MISC_VM_CG, data); 1542 1543 data = RREG32(mmMC_XPB_CLK_GAT); 1544 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK; 1545 WREG32(mmMC_XPB_CLK_GAT, data); 1546 1547 data = RREG32(mmATC_MISC_CG); 1548 data &= ~ATC_MISC_CG__ENABLE_MASK; 1549 WREG32(mmATC_MISC_CG, data); 1550 1551 data = RREG32(mmMC_CITF_MISC_WR_CG); 1552 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK; 1553 WREG32(mmMC_CITF_MISC_WR_CG, data); 1554 1555 data = RREG32(mmMC_CITF_MISC_RD_CG); 1556 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK; 1557 WREG32(mmMC_CITF_MISC_RD_CG, data); 1558 1559 data = RREG32(mmMC_CITF_MISC_VM_CG); 1560 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK; 1561 WREG32(mmMC_CITF_MISC_VM_CG, data); 1562 1563 data = RREG32(mmVM_L2_CG); 1564 data &= ~VM_L2_CG__ENABLE_MASK; 1565 WREG32(mmVM_L2_CG, data); 1566 } 1567 } 1568 1569 static void fiji_update_mc_light_sleep(struct amdgpu_device *adev, 1570 bool enable) 1571 { 1572 uint32_t data; 1573 1574 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) { 1575 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1576 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; 1577 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1578 1579 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1580 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; 1581 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1582 1583 data = RREG32(mmMC_HUB_MISC_VM_CG); 1584 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1585 WREG32(mmMC_HUB_MISC_VM_CG, data); 1586 1587 data = RREG32(mmMC_XPB_CLK_GAT); 1588 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; 1589 WREG32(mmMC_XPB_CLK_GAT, data); 1590 1591 data = RREG32(mmATC_MISC_CG); 1592 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK; 1593 WREG32(mmATC_MISC_CG, data); 1594 1595 data = RREG32(mmMC_CITF_MISC_WR_CG); 1596 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; 1597 WREG32(mmMC_CITF_MISC_WR_CG, data); 1598 1599 data = RREG32(mmMC_CITF_MISC_RD_CG); 1600 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; 1601 WREG32(mmMC_CITF_MISC_RD_CG, data); 1602 1603 data = RREG32(mmMC_CITF_MISC_VM_CG); 1604 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1605 WREG32(mmMC_CITF_MISC_VM_CG, data); 1606 1607 data = RREG32(mmVM_L2_CG); 1608 data |= VM_L2_CG__MEM_LS_ENABLE_MASK; 1609 WREG32(mmVM_L2_CG, data); 1610 } else { 1611 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1612 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; 1613 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1614 1615 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1616 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; 1617 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1618 1619 data = RREG32(mmMC_HUB_MISC_VM_CG); 1620 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1621 WREG32(mmMC_HUB_MISC_VM_CG, data); 1622 1623 data = RREG32(mmMC_XPB_CLK_GAT); 1624 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; 1625 WREG32(mmMC_XPB_CLK_GAT, data); 1626 1627 data = RREG32(mmATC_MISC_CG); 1628 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK; 1629 WREG32(mmATC_MISC_CG, data); 1630 1631 data = RREG32(mmMC_CITF_MISC_WR_CG); 1632 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; 1633 WREG32(mmMC_CITF_MISC_WR_CG, data); 1634 1635 data = RREG32(mmMC_CITF_MISC_RD_CG); 1636 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; 1637 WREG32(mmMC_CITF_MISC_RD_CG, data); 1638 1639 data = RREG32(mmMC_CITF_MISC_VM_CG); 1640 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1641 WREG32(mmMC_CITF_MISC_VM_CG, data); 1642 1643 data = RREG32(mmVM_L2_CG); 1644 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK; 1645 WREG32(mmVM_L2_CG, data); 1646 } 1647 } 1648 1649 static int gmc_v8_0_set_clockgating_state(void *handle, 1650 enum amd_clockgating_state state) 1651 { 1652 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1653 1654 if (amdgpu_sriov_vf(adev)) 1655 return 0; 1656 1657 switch (adev->asic_type) { 1658 case CHIP_FIJI: 1659 fiji_update_mc_medium_grain_clock_gating(adev, 1660 state == AMD_CG_STATE_GATE); 1661 fiji_update_mc_light_sleep(adev, 1662 state == AMD_CG_STATE_GATE); 1663 break; 1664 default: 1665 break; 1666 } 1667 return 0; 1668 } 1669 1670 static int gmc_v8_0_set_powergating_state(void *handle, 1671 enum amd_powergating_state state) 1672 { 1673 return 0; 1674 } 1675 1676 static void gmc_v8_0_get_clockgating_state(void *handle, u32 *flags) 1677 { 1678 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1679 int data; 1680 1681 if (amdgpu_sriov_vf(adev)) 1682 *flags = 0; 1683 1684 /* AMD_CG_SUPPORT_MC_MGCG */ 1685 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1686 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK) 1687 *flags |= AMD_CG_SUPPORT_MC_MGCG; 1688 1689 /* AMD_CG_SUPPORT_MC_LS */ 1690 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK) 1691 *flags |= AMD_CG_SUPPORT_MC_LS; 1692 } 1693 1694 static const struct amd_ip_funcs gmc_v8_0_ip_funcs = { 1695 .name = "gmc_v8_0", 1696 .early_init = gmc_v8_0_early_init, 1697 .late_init = gmc_v8_0_late_init, 1698 .sw_init = gmc_v8_0_sw_init, 1699 .sw_fini = gmc_v8_0_sw_fini, 1700 .hw_init = gmc_v8_0_hw_init, 1701 .hw_fini = gmc_v8_0_hw_fini, 1702 .suspend = gmc_v8_0_suspend, 1703 .resume = gmc_v8_0_resume, 1704 .is_idle = gmc_v8_0_is_idle, 1705 .wait_for_idle = gmc_v8_0_wait_for_idle, 1706 .check_soft_reset = gmc_v8_0_check_soft_reset, 1707 .pre_soft_reset = gmc_v8_0_pre_soft_reset, 1708 .soft_reset = gmc_v8_0_soft_reset, 1709 .post_soft_reset = gmc_v8_0_post_soft_reset, 1710 .set_clockgating_state = gmc_v8_0_set_clockgating_state, 1711 .set_powergating_state = gmc_v8_0_set_powergating_state, 1712 .get_clockgating_state = gmc_v8_0_get_clockgating_state, 1713 }; 1714 1715 static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = { 1716 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb, 1717 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb, 1718 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping, 1719 .set_pte_pde = gmc_v8_0_set_pte_pde, 1720 .set_prt = gmc_v8_0_set_prt, 1721 .get_vm_pte_flags = gmc_v8_0_get_vm_pte_flags, 1722 .get_vm_pde = gmc_v8_0_get_vm_pde 1723 }; 1724 1725 static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = { 1726 .set = gmc_v8_0_vm_fault_interrupt_state, 1727 .process = gmc_v8_0_process_interrupt, 1728 }; 1729 1730 static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev) 1731 { 1732 if (adev->gmc.gmc_funcs == NULL) 1733 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs; 1734 } 1735 1736 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev) 1737 { 1738 adev->gmc.vm_fault.num_types = 1; 1739 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs; 1740 } 1741 1742 const struct amdgpu_ip_block_version gmc_v8_0_ip_block = 1743 { 1744 .type = AMD_IP_BLOCK_TYPE_GMC, 1745 .major = 8, 1746 .minor = 0, 1747 .rev = 0, 1748 .funcs = &gmc_v8_0_ip_funcs, 1749 }; 1750 1751 const struct amdgpu_ip_block_version gmc_v8_1_ip_block = 1752 { 1753 .type = AMD_IP_BLOCK_TYPE_GMC, 1754 .major = 8, 1755 .minor = 1, 1756 .rev = 0, 1757 .funcs = &gmc_v8_0_ip_funcs, 1758 }; 1759 1760 const struct amdgpu_ip_block_version gmc_v8_5_ip_block = 1761 { 1762 .type = AMD_IP_BLOCK_TYPE_GMC, 1763 .major = 8, 1764 .minor = 5, 1765 .rev = 0, 1766 .funcs = &gmc_v8_0_ip_funcs, 1767 }; 1768