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 { 69 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, 70 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028, 71 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991, 72 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 73 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 74 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 75 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 76 }; 77 78 static const u32 tonga_mgcg_cgcg_init[] = 79 { 80 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 81 }; 82 83 static const u32 golden_settings_fiji_a10[] = 84 { 85 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 86 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 87 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 88 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, 89 }; 90 91 static const u32 fiji_mgcg_cgcg_init[] = 92 { 93 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 94 }; 95 96 static const u32 golden_settings_polaris11_a11[] = 97 { 98 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 99 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 100 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 101 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff 102 }; 103 104 static const u32 golden_settings_polaris10_a11[] = 105 { 106 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, 107 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, 108 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, 109 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, 110 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff 111 }; 112 113 static const u32 cz_mgcg_cgcg_init[] = 114 { 115 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 116 }; 117 118 static const u32 stoney_mgcg_cgcg_init[] = 119 { 120 mmATC_MISC_CG, 0xffffffff, 0x000c0200, 121 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 122 }; 123 124 static const u32 golden_settings_stoney_common[] = 125 { 126 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004, 127 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000 128 }; 129 130 static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) 131 { 132 switch (adev->asic_type) { 133 case CHIP_FIJI: 134 amdgpu_device_program_register_sequence(adev, 135 fiji_mgcg_cgcg_init, 136 ARRAY_SIZE(fiji_mgcg_cgcg_init)); 137 amdgpu_device_program_register_sequence(adev, 138 golden_settings_fiji_a10, 139 ARRAY_SIZE(golden_settings_fiji_a10)); 140 break; 141 case CHIP_TONGA: 142 amdgpu_device_program_register_sequence(adev, 143 tonga_mgcg_cgcg_init, 144 ARRAY_SIZE(tonga_mgcg_cgcg_init)); 145 amdgpu_device_program_register_sequence(adev, 146 golden_settings_tonga_a11, 147 ARRAY_SIZE(golden_settings_tonga_a11)); 148 break; 149 case CHIP_POLARIS11: 150 case CHIP_POLARIS12: 151 case CHIP_VEGAM: 152 amdgpu_device_program_register_sequence(adev, 153 golden_settings_polaris11_a11, 154 ARRAY_SIZE(golden_settings_polaris11_a11)); 155 break; 156 case CHIP_POLARIS10: 157 amdgpu_device_program_register_sequence(adev, 158 golden_settings_polaris10_a11, 159 ARRAY_SIZE(golden_settings_polaris10_a11)); 160 break; 161 case CHIP_CARRIZO: 162 amdgpu_device_program_register_sequence(adev, 163 cz_mgcg_cgcg_init, 164 ARRAY_SIZE(cz_mgcg_cgcg_init)); 165 break; 166 case CHIP_STONEY: 167 amdgpu_device_program_register_sequence(adev, 168 stoney_mgcg_cgcg_init, 169 ARRAY_SIZE(stoney_mgcg_cgcg_init)); 170 amdgpu_device_program_register_sequence(adev, 171 golden_settings_stoney_common, 172 ARRAY_SIZE(golden_settings_stoney_common)); 173 break; 174 default: 175 break; 176 } 177 } 178 179 static void gmc_v8_0_mc_stop(struct amdgpu_device *adev) 180 { 181 u32 blackout; 182 183 gmc_v8_0_wait_for_idle(adev); 184 185 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 186 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { 187 /* Block CPU access */ 188 WREG32(mmBIF_FB_EN, 0); 189 /* blackout the MC */ 190 blackout = REG_SET_FIELD(blackout, 191 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1); 192 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); 193 } 194 /* wait for the MC to settle */ 195 udelay(100); 196 } 197 198 static void gmc_v8_0_mc_resume(struct amdgpu_device *adev) 199 { 200 u32 tmp; 201 202 /* unblackout the MC */ 203 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); 204 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); 205 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); 206 /* allow CPU access */ 207 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); 208 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); 209 WREG32(mmBIF_FB_EN, tmp); 210 } 211 212 /** 213 * gmc_v8_0_init_microcode - load ucode images from disk 214 * 215 * @adev: amdgpu_device pointer 216 * 217 * Use the firmware interface to load the ucode images into 218 * the driver (not loaded into hw). 219 * Returns 0 on success, error on failure. 220 */ 221 static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) 222 { 223 const char *chip_name; 224 char fw_name[30]; 225 int err; 226 227 DRM_DEBUG("\n"); 228 229 switch (adev->asic_type) { 230 case CHIP_TONGA: 231 chip_name = "tonga"; 232 break; 233 case CHIP_POLARIS11: 234 if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision) || 235 ASICID_IS_P31(adev->pdev->device, adev->pdev->revision)) 236 chip_name = "polaris11_k"; 237 else 238 chip_name = "polaris11"; 239 break; 240 case CHIP_POLARIS10: 241 if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision)) 242 chip_name = "polaris10_k"; 243 else 244 chip_name = "polaris10"; 245 break; 246 case CHIP_POLARIS12: 247 if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) { 248 chip_name = "polaris12_k"; 249 } else { 250 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159); 251 /* Polaris12 32bit ASIC needs a special MC firmware */ 252 if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40) 253 chip_name = "polaris12_32"; 254 else 255 chip_name = "polaris12"; 256 } 257 break; 258 case CHIP_FIJI: 259 case CHIP_CARRIZO: 260 case CHIP_STONEY: 261 case CHIP_VEGAM: 262 return 0; 263 default: BUG(); 264 } 265 266 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); 267 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev); 268 if (err) 269 goto out; 270 err = amdgpu_ucode_validate(adev->gmc.fw); 271 272 out: 273 if (err) { 274 pr_err("mc: Failed to load firmware \"%s\"\n", fw_name); 275 release_firmware(adev->gmc.fw); 276 adev->gmc.fw = NULL; 277 } 278 return err; 279 } 280 281 /** 282 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw 283 * 284 * @adev: amdgpu_device pointer 285 * 286 * Load the GDDR MC ucode into the hw (VI). 287 * Returns 0 on success, error on failure. 288 */ 289 static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev) 290 { 291 const struct mc_firmware_header_v1_0 *hdr; 292 const __le32 *fw_data = NULL; 293 const __le32 *io_mc_regs = NULL; 294 u32 running; 295 int i, ucode_size, regs_size; 296 297 /* Skip MC ucode loading on SR-IOV capable boards. 298 * vbios does this for us in asic_init in that case. 299 * Skip MC ucode loading on VF, because hypervisor will do that 300 * for this adaptor. 301 */ 302 if (amdgpu_sriov_bios(adev)) 303 return 0; 304 305 if (!adev->gmc.fw) 306 return -EINVAL; 307 308 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; 309 amdgpu_ucode_print_mc_hdr(&hdr->header); 310 311 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); 312 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); 313 io_mc_regs = (const __le32 *) 314 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); 315 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 316 fw_data = (const __le32 *) 317 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 318 319 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); 320 321 if (running == 0) { 322 /* reset the engine and set to writable */ 323 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 324 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); 325 326 /* load mc io regs */ 327 for (i = 0; i < regs_size; i++) { 328 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); 329 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); 330 } 331 /* load the MC ucode */ 332 for (i = 0; i < ucode_size; i++) 333 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); 334 335 /* put the engine back into the active state */ 336 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 337 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); 338 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); 339 340 /* wait for training to complete */ 341 for (i = 0; i < adev->usec_timeout; i++) { 342 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), 343 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) 344 break; 345 udelay(1); 346 } 347 for (i = 0; i < adev->usec_timeout; i++) { 348 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), 349 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) 350 break; 351 udelay(1); 352 } 353 } 354 355 return 0; 356 } 357 358 static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev) 359 { 360 const struct mc_firmware_header_v1_0 *hdr; 361 const __le32 *fw_data = NULL; 362 const __le32 *io_mc_regs = NULL; 363 u32 data; 364 int i, ucode_size, regs_size; 365 366 /* Skip MC ucode loading on SR-IOV capable boards. 367 * vbios does this for us in asic_init in that case. 368 * Skip MC ucode loading on VF, because hypervisor will do that 369 * for this adaptor. 370 */ 371 if (amdgpu_sriov_bios(adev)) 372 return 0; 373 374 if (!adev->gmc.fw) 375 return -EINVAL; 376 377 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data; 378 amdgpu_ucode_print_mc_hdr(&hdr->header); 379 380 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version); 381 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); 382 io_mc_regs = (const __le32 *) 383 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); 384 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 385 fw_data = (const __le32 *) 386 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 387 388 data = RREG32(mmMC_SEQ_MISC0); 389 data &= ~(0x40); 390 WREG32(mmMC_SEQ_MISC0, data); 391 392 /* load mc io regs */ 393 for (i = 0; i < regs_size; i++) { 394 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); 395 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); 396 } 397 398 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 399 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); 400 401 /* load the MC ucode */ 402 for (i = 0; i < ucode_size; i++) 403 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); 404 405 /* put the engine back into the active state */ 406 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); 407 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); 408 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); 409 410 /* wait for training to complete */ 411 for (i = 0; i < adev->usec_timeout; i++) { 412 data = RREG32(mmMC_SEQ_MISC0); 413 if (data & 0x80) 414 break; 415 udelay(1); 416 } 417 418 return 0; 419 } 420 421 static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev, 422 struct amdgpu_gmc *mc) 423 { 424 u64 base = 0; 425 426 if (!amdgpu_sriov_vf(adev)) 427 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF; 428 base <<= 24; 429 430 amdgpu_gmc_vram_location(adev, mc, base); 431 amdgpu_gmc_gart_location(adev, mc); 432 } 433 434 /** 435 * gmc_v8_0_mc_program - program the GPU memory controller 436 * 437 * @adev: amdgpu_device pointer 438 * 439 * Set the location of vram, gart, and AGP in the GPU's 440 * physical address space (VI). 441 */ 442 static void gmc_v8_0_mc_program(struct amdgpu_device *adev) 443 { 444 u32 tmp; 445 int i, j; 446 447 /* Initialize HDP */ 448 for (i = 0, j = 0; i < 32; i++, j += 0x6) { 449 WREG32((0xb05 + j), 0x00000000); 450 WREG32((0xb06 + j), 0x00000000); 451 WREG32((0xb07 + j), 0x00000000); 452 WREG32((0xb08 + j), 0x00000000); 453 WREG32((0xb09 + j), 0x00000000); 454 } 455 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); 456 457 if (gmc_v8_0_wait_for_idle((void *)adev)) { 458 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 459 } 460 if (adev->mode_info.num_crtc) { 461 /* Lockout access through VGA aperture*/ 462 tmp = RREG32(mmVGA_HDP_CONTROL); 463 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); 464 WREG32(mmVGA_HDP_CONTROL, tmp); 465 466 /* disable VGA render */ 467 tmp = RREG32(mmVGA_RENDER_CONTROL); 468 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); 469 WREG32(mmVGA_RENDER_CONTROL, tmp); 470 } 471 /* Update configuration */ 472 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 473 adev->gmc.vram_start >> 12); 474 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 475 adev->gmc.vram_end >> 12); 476 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 477 adev->vram_scratch.gpu_addr >> 12); 478 479 if (amdgpu_sriov_vf(adev)) { 480 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16; 481 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF); 482 WREG32(mmMC_VM_FB_LOCATION, tmp); 483 /* XXX double check these! */ 484 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); 485 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); 486 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF); 487 } 488 489 WREG32(mmMC_VM_AGP_BASE, 0); 490 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); 491 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); 492 if (gmc_v8_0_wait_for_idle((void *)adev)) { 493 dev_warn(adev->dev, "Wait for MC idle timedout !\n"); 494 } 495 496 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); 497 498 tmp = RREG32(mmHDP_MISC_CNTL); 499 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0); 500 WREG32(mmHDP_MISC_CNTL, tmp); 501 502 tmp = RREG32(mmHDP_HOST_PATH_CNTL); 503 WREG32(mmHDP_HOST_PATH_CNTL, tmp); 504 } 505 506 /** 507 * gmc_v8_0_mc_init - initialize the memory controller driver params 508 * 509 * @adev: amdgpu_device pointer 510 * 511 * Look up the amount of vram, vram width, and decide how to place 512 * vram and gart within the GPU's physical address space (VI). 513 * Returns 0 for success. 514 */ 515 static int gmc_v8_0_mc_init(struct amdgpu_device *adev) 516 { 517 int r; 518 u32 tmp; 519 520 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev); 521 if (!adev->gmc.vram_width) { 522 int chansize, numchan; 523 524 /* Get VRAM informations */ 525 tmp = RREG32(mmMC_ARB_RAMCFG); 526 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) { 527 chansize = 64; 528 } else { 529 chansize = 32; 530 } 531 tmp = RREG32(mmMC_SHARED_CHMAP); 532 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { 533 case 0: 534 default: 535 numchan = 1; 536 break; 537 case 1: 538 numchan = 2; 539 break; 540 case 2: 541 numchan = 4; 542 break; 543 case 3: 544 numchan = 8; 545 break; 546 case 4: 547 numchan = 3; 548 break; 549 case 5: 550 numchan = 6; 551 break; 552 case 6: 553 numchan = 10; 554 break; 555 case 7: 556 numchan = 12; 557 break; 558 case 8: 559 numchan = 16; 560 break; 561 } 562 adev->gmc.vram_width = numchan * chansize; 563 } 564 /* size in MB on si */ 565 tmp = RREG32(mmCONFIG_MEMSIZE); 566 /* some boards may have garbage in the upper 16 bits */ 567 if (tmp & 0xffff0000) { 568 DRM_INFO("Probable bad vram size: 0x%08x\n", tmp); 569 if (tmp & 0xffff) 570 tmp &= 0xffff; 571 } 572 adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL; 573 adev->gmc.real_vram_size = adev->gmc.mc_vram_size; 574 575 if (!(adev->flags & AMD_IS_APU)) { 576 r = amdgpu_device_resize_fb_bar(adev); 577 if (r) 578 return r; 579 } 580 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); 581 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); 582 583 #ifdef CONFIG_X86_64 584 if (adev->flags & AMD_IS_APU) { 585 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22; 586 adev->gmc.aper_size = adev->gmc.real_vram_size; 587 } 588 #endif 589 590 /* In case the PCI BAR is larger than the actual amount of vram */ 591 adev->gmc.visible_vram_size = adev->gmc.aper_size; 592 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) 593 adev->gmc.visible_vram_size = adev->gmc.real_vram_size; 594 595 /* set the gart size */ 596 if (amdgpu_gart_size == -1) { 597 switch (adev->asic_type) { 598 case CHIP_POLARIS10: /* all engines support GPUVM */ 599 case CHIP_POLARIS11: /* all engines support GPUVM */ 600 case CHIP_POLARIS12: /* all engines support GPUVM */ 601 case CHIP_VEGAM: /* all engines support GPUVM */ 602 default: 603 adev->gmc.gart_size = 256ULL << 20; 604 break; 605 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */ 606 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */ 607 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */ 608 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */ 609 adev->gmc.gart_size = 1024ULL << 20; 610 break; 611 } 612 } else { 613 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; 614 } 615 616 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size; 617 gmc_v8_0_vram_gtt_location(adev, &adev->gmc); 618 619 return 0; 620 } 621 622 /** 623 * gmc_v8_0_flush_gpu_tlb_pasid - tlb flush via pasid 624 * 625 * @adev: amdgpu_device pointer 626 * @pasid: pasid to be flush 627 * @flush_type: type of flush 628 * @all_hub: flush all hubs 629 * 630 * Flush the TLB for the requested pasid. 631 */ 632 static int gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 633 uint16_t pasid, uint32_t flush_type, 634 bool all_hub) 635 { 636 int vmid; 637 unsigned int tmp; 638 639 if (amdgpu_in_reset(adev)) 640 return -EIO; 641 642 for (vmid = 1; vmid < 16; vmid++) { 643 644 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid); 645 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) && 646 (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid) { 647 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); 648 RREG32(mmVM_INVALIDATE_RESPONSE); 649 break; 650 } 651 } 652 653 return 0; 654 655 } 656 657 /* 658 * GART 659 * VMID 0 is the physical GPU addresses as used by the kernel. 660 * VMIDs 1-15 are used for userspace clients and are handled 661 * by the amdgpu vm/hsa code. 662 */ 663 664 /** 665 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback 666 * 667 * @adev: amdgpu_device pointer 668 * @vmid: vm instance to flush 669 * @vmhub: which hub to flush 670 * @flush_type: type of flush 671 * 672 * Flush the TLB for the requested page table (VI). 673 */ 674 static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, 675 uint32_t vmhub, uint32_t flush_type) 676 { 677 /* bits 0-15 are the VM contexts0-15 */ 678 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); 679 } 680 681 static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, 682 unsigned vmid, uint64_t pd_addr) 683 { 684 uint32_t reg; 685 686 if (vmid < 8) 687 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid; 688 else 689 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8; 690 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12); 691 692 /* bits 0-15 are the VM contexts0-15 */ 693 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid); 694 695 return pd_addr; 696 } 697 698 static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, 699 unsigned pasid) 700 { 701 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); 702 } 703 704 /* 705 * PTE format on VI: 706 * 63:40 reserved 707 * 39:12 4k physical page base address 708 * 11:7 fragment 709 * 6 write 710 * 5 read 711 * 4 exe 712 * 3 reserved 713 * 2 snooped 714 * 1 system 715 * 0 valid 716 * 717 * PDE format on VI: 718 * 63:59 block fragment size 719 * 58:40 reserved 720 * 39:1 physical base address of PTE 721 * bits 5:1 must be 0. 722 * 0 valid 723 */ 724 725 static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level, 726 uint64_t *addr, uint64_t *flags) 727 { 728 BUG_ON(*addr & 0xFFFFFF0000000FFFULL); 729 } 730 731 static void gmc_v8_0_get_vm_pte(struct amdgpu_device *adev, 732 struct amdgpu_bo_va_mapping *mapping, 733 uint64_t *flags) 734 { 735 *flags &= ~AMDGPU_PTE_EXECUTABLE; 736 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; 737 *flags &= ~AMDGPU_PTE_PRT; 738 } 739 740 /** 741 * gmc_v8_0_set_fault_enable_default - update VM fault handling 742 * 743 * @adev: amdgpu_device pointer 744 * @value: true redirects VM faults to the default page 745 */ 746 static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev, 747 bool value) 748 { 749 u32 tmp; 750 751 tmp = RREG32(mmVM_CONTEXT1_CNTL); 752 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 753 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 754 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 755 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 756 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 757 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); 758 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 759 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); 760 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 761 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); 762 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 763 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 764 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, 765 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); 766 WREG32(mmVM_CONTEXT1_CNTL, tmp); 767 } 768 769 /** 770 * gmc_v8_0_set_prt - set PRT VM fault 771 * 772 * @adev: amdgpu_device pointer 773 * @enable: enable/disable VM fault handling for PRT 774 */ 775 static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable) 776 { 777 u32 tmp; 778 779 if (enable && !adev->gmc.prt_warning) { 780 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n"); 781 adev->gmc.prt_warning = true; 782 } 783 784 tmp = RREG32(mmVM_PRT_CNTL); 785 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 786 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); 787 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 788 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); 789 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 790 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable); 791 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 792 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable); 793 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 794 L2_CACHE_STORE_INVALID_ENTRIES, enable); 795 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 796 L1_TLB_STORE_INVALID_ENTRIES, enable); 797 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL, 798 MASK_PDE0_FAULT, enable); 799 WREG32(mmVM_PRT_CNTL, tmp); 800 801 if (enable) { 802 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT; 803 uint32_t high = adev->vm_manager.max_pfn - 804 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT); 805 806 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low); 807 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low); 808 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low); 809 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low); 810 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high); 811 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high); 812 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high); 813 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high); 814 } else { 815 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff); 816 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff); 817 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff); 818 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff); 819 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0); 820 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0); 821 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0); 822 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0); 823 } 824 } 825 826 /** 827 * gmc_v8_0_gart_enable - gart enable 828 * 829 * @adev: amdgpu_device pointer 830 * 831 * This sets up the TLBs, programs the page tables for VMID0, 832 * sets up the hw for VMIDs 1-15 which are allocated on 833 * demand, and sets up the global locations for the LDS, GDS, 834 * and GPUVM for FSA64 clients (VI). 835 * Returns 0 for success, errors for failure. 836 */ 837 static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) 838 { 839 uint64_t table_addr; 840 int r, i; 841 u32 tmp, field; 842 843 if (adev->gart.bo == NULL) { 844 dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); 845 return -EINVAL; 846 } 847 r = amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr); 848 if (r) 849 return r; 850 851 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo); 852 853 /* Setup TLB control */ 854 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); 855 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); 856 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); 857 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); 858 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); 859 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); 860 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); 861 /* Setup L2 cache */ 862 tmp = RREG32(mmVM_L2_CNTL); 863 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); 864 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); 865 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); 866 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); 867 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); 868 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); 869 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); 870 WREG32(mmVM_L2_CNTL, tmp); 871 tmp = RREG32(mmVM_L2_CNTL2); 872 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); 873 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); 874 WREG32(mmVM_L2_CNTL2, tmp); 875 876 field = adev->vm_manager.fragment_size; 877 tmp = RREG32(mmVM_L2_CNTL3); 878 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); 879 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field); 880 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field); 881 WREG32(mmVM_L2_CNTL3, tmp); 882 /* XXX: set to enable PTE/PDE in system memory */ 883 tmp = RREG32(mmVM_L2_CNTL4); 884 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0); 885 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0); 886 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0); 887 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0); 888 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0); 889 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0); 890 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0); 891 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0); 892 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0); 893 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0); 894 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0); 895 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0); 896 WREG32(mmVM_L2_CNTL4, tmp); 897 /* setup context0 */ 898 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12); 899 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12); 900 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12); 901 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 902 (u32)(adev->dummy_page_addr >> 12)); 903 WREG32(mmVM_CONTEXT0_CNTL2, 0); 904 tmp = RREG32(mmVM_CONTEXT0_CNTL); 905 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); 906 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); 907 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 908 WREG32(mmVM_CONTEXT0_CNTL, tmp); 909 910 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0); 911 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0); 912 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0); 913 914 /* empty context1-15 */ 915 /* FIXME start with 4G, once using 2 level pt switch to full 916 * vm size space 917 */ 918 /* set vm size, must be a multiple of 4 */ 919 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); 920 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); 921 for (i = 1; i < AMDGPU_NUM_VMID; i++) { 922 if (i < 8) 923 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, 924 table_addr >> 12); 925 else 926 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, 927 table_addr >> 12); 928 } 929 930 /* enable context1-15 */ 931 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, 932 (u32)(adev->dummy_page_addr >> 12)); 933 WREG32(mmVM_CONTEXT1_CNTL2, 4); 934 tmp = RREG32(mmVM_CONTEXT1_CNTL); 935 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); 936 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); 937 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 938 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 939 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 940 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 941 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 942 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 943 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); 944 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, 945 adev->vm_manager.block_size - 9); 946 WREG32(mmVM_CONTEXT1_CNTL, tmp); 947 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) 948 gmc_v8_0_set_fault_enable_default(adev, false); 949 else 950 gmc_v8_0_set_fault_enable_default(adev, true); 951 952 gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0); 953 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 954 (unsigned)(adev->gmc.gart_size >> 20), 955 (unsigned long long)table_addr); 956 adev->gart.ready = true; 957 return 0; 958 } 959 960 static int gmc_v8_0_gart_init(struct amdgpu_device *adev) 961 { 962 int r; 963 964 if (adev->gart.bo) { 965 WARN(1, "R600 PCIE GART already initialized\n"); 966 return 0; 967 } 968 /* Initialize common gart structure */ 969 r = amdgpu_gart_init(adev); 970 if (r) 971 return r; 972 adev->gart.table_size = adev->gart.num_gpu_pages * 8; 973 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE; 974 return amdgpu_gart_table_vram_alloc(adev); 975 } 976 977 /** 978 * gmc_v8_0_gart_disable - gart disable 979 * 980 * @adev: amdgpu_device pointer 981 * 982 * This disables all VM page table (VI). 983 */ 984 static void gmc_v8_0_gart_disable(struct amdgpu_device *adev) 985 { 986 u32 tmp; 987 988 /* Disable all tables */ 989 WREG32(mmVM_CONTEXT0_CNTL, 0); 990 WREG32(mmVM_CONTEXT1_CNTL, 0); 991 /* Setup TLB control */ 992 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); 993 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); 994 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); 995 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); 996 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); 997 /* Setup L2 cache */ 998 tmp = RREG32(mmVM_L2_CNTL); 999 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); 1000 WREG32(mmVM_L2_CNTL, tmp); 1001 WREG32(mmVM_L2_CNTL2, 0); 1002 } 1003 1004 /** 1005 * gmc_v8_0_vm_decode_fault - print human readable fault info 1006 * 1007 * @adev: amdgpu_device pointer 1008 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value 1009 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value 1010 * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value 1011 * @pasid: debug logging only - no functional use 1012 * 1013 * Print human readable fault information (VI). 1014 */ 1015 static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, 1016 u32 addr, u32 mc_client, unsigned pasid) 1017 { 1018 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); 1019 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1020 PROTECTIONS); 1021 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, 1022 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; 1023 u32 mc_id; 1024 1025 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1026 MEMORY_CLIENT_ID); 1027 1028 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", 1029 protections, vmid, pasid, addr, 1030 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1031 MEMORY_CLIENT_RW) ? 1032 "write" : "read", block, mc_client, mc_id); 1033 } 1034 1035 static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type) 1036 { 1037 switch (mc_seq_vram_type) { 1038 case MC_SEQ_MISC0__MT__GDDR1: 1039 return AMDGPU_VRAM_TYPE_GDDR1; 1040 case MC_SEQ_MISC0__MT__DDR2: 1041 return AMDGPU_VRAM_TYPE_DDR2; 1042 case MC_SEQ_MISC0__MT__GDDR3: 1043 return AMDGPU_VRAM_TYPE_GDDR3; 1044 case MC_SEQ_MISC0__MT__GDDR4: 1045 return AMDGPU_VRAM_TYPE_GDDR4; 1046 case MC_SEQ_MISC0__MT__GDDR5: 1047 return AMDGPU_VRAM_TYPE_GDDR5; 1048 case MC_SEQ_MISC0__MT__HBM: 1049 return AMDGPU_VRAM_TYPE_HBM; 1050 case MC_SEQ_MISC0__MT__DDR3: 1051 return AMDGPU_VRAM_TYPE_DDR3; 1052 default: 1053 return AMDGPU_VRAM_TYPE_UNKNOWN; 1054 } 1055 } 1056 1057 static int gmc_v8_0_early_init(void *handle) 1058 { 1059 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1060 1061 gmc_v8_0_set_gmc_funcs(adev); 1062 gmc_v8_0_set_irq_funcs(adev); 1063 1064 adev->gmc.shared_aperture_start = 0x2000000000000000ULL; 1065 adev->gmc.shared_aperture_end = 1066 adev->gmc.shared_aperture_start + (4ULL << 30) - 1; 1067 adev->gmc.private_aperture_start = 1068 adev->gmc.shared_aperture_end + 1; 1069 adev->gmc.private_aperture_end = 1070 adev->gmc.private_aperture_start + (4ULL << 30) - 1; 1071 1072 return 0; 1073 } 1074 1075 static int gmc_v8_0_late_init(void *handle) 1076 { 1077 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1078 1079 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) 1080 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); 1081 else 1082 return 0; 1083 } 1084 1085 static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) 1086 { 1087 u32 d1vga_control = RREG32(mmD1VGA_CONTROL); 1088 unsigned size; 1089 1090 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { 1091 size = AMDGPU_VBIOS_VGA_ALLOCATION; 1092 } else { 1093 u32 viewport = RREG32(mmVIEWPORT_SIZE); 1094 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * 1095 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 1096 4); 1097 } 1098 1099 return size; 1100 } 1101 1102 #define mmMC_SEQ_MISC0_FIJI 0xA71 1103 1104 static int gmc_v8_0_sw_init(void *handle) 1105 { 1106 int r; 1107 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1108 1109 adev->num_vmhubs = 1; 1110 1111 if (adev->flags & AMD_IS_APU) { 1112 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; 1113 } else { 1114 u32 tmp; 1115 1116 if ((adev->asic_type == CHIP_FIJI) || 1117 (adev->asic_type == CHIP_VEGAM)) 1118 tmp = RREG32(mmMC_SEQ_MISC0_FIJI); 1119 else 1120 tmp = RREG32(mmMC_SEQ_MISC0); 1121 tmp &= MC_SEQ_MISC0__MT__MASK; 1122 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp); 1123 } 1124 1125 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault); 1126 if (r) 1127 return r; 1128 1129 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault); 1130 if (r) 1131 return r; 1132 1133 /* Adjust VM size here. 1134 * Currently set to 4GB ((1 << 20) 4k pages). 1135 * Max GPUVM size for cayman and SI is 40 bits. 1136 */ 1137 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40); 1138 1139 /* Set the internal MC address mask 1140 * This is the max address of the GPU's 1141 * internal address space. 1142 */ 1143 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ 1144 1145 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40)); 1146 if (r) { 1147 pr_warn("No suitable DMA available\n"); 1148 return r; 1149 } 1150 adev->need_swiotlb = drm_need_swiotlb(40); 1151 1152 r = gmc_v8_0_init_microcode(adev); 1153 if (r) { 1154 DRM_ERROR("Failed to load mc firmware!\n"); 1155 return r; 1156 } 1157 1158 r = gmc_v8_0_mc_init(adev); 1159 if (r) 1160 return r; 1161 1162 amdgpu_gmc_get_vbios_allocations(adev); 1163 1164 /* Memory manager */ 1165 r = amdgpu_bo_init(adev); 1166 if (r) 1167 return r; 1168 1169 r = gmc_v8_0_gart_init(adev); 1170 if (r) 1171 return r; 1172 1173 /* 1174 * number of VMs 1175 * VMID 0 is reserved for System 1176 * amdgpu graphics/compute will use VMIDs 1-7 1177 * amdkfd will use VMIDs 8-15 1178 */ 1179 adev->vm_manager.first_kfd_vmid = 8; 1180 amdgpu_vm_manager_init(adev); 1181 1182 /* base offset of vram pages */ 1183 if (adev->flags & AMD_IS_APU) { 1184 u64 tmp = RREG32(mmMC_VM_FB_OFFSET); 1185 1186 tmp <<= 22; 1187 adev->vm_manager.vram_base_offset = tmp; 1188 } else { 1189 adev->vm_manager.vram_base_offset = 0; 1190 } 1191 1192 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info), 1193 GFP_KERNEL); 1194 if (!adev->gmc.vm_fault_info) 1195 return -ENOMEM; 1196 atomic_set(&adev->gmc.vm_fault_info_updated, 0); 1197 1198 return 0; 1199 } 1200 1201 static int gmc_v8_0_sw_fini(void *handle) 1202 { 1203 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1204 1205 amdgpu_gem_force_release(adev); 1206 amdgpu_vm_manager_fini(adev); 1207 kfree(adev->gmc.vm_fault_info); 1208 amdgpu_gart_table_vram_free(adev); 1209 amdgpu_bo_fini(adev); 1210 release_firmware(adev->gmc.fw); 1211 adev->gmc.fw = NULL; 1212 1213 return 0; 1214 } 1215 1216 static int gmc_v8_0_hw_init(void *handle) 1217 { 1218 int r; 1219 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1220 1221 gmc_v8_0_init_golden_registers(adev); 1222 1223 gmc_v8_0_mc_program(adev); 1224 1225 if (adev->asic_type == CHIP_TONGA) { 1226 r = gmc_v8_0_tonga_mc_load_microcode(adev); 1227 if (r) { 1228 DRM_ERROR("Failed to load MC firmware!\n"); 1229 return r; 1230 } 1231 } else if (adev->asic_type == CHIP_POLARIS11 || 1232 adev->asic_type == CHIP_POLARIS10 || 1233 adev->asic_type == CHIP_POLARIS12) { 1234 r = gmc_v8_0_polaris_mc_load_microcode(adev); 1235 if (r) { 1236 DRM_ERROR("Failed to load MC firmware!\n"); 1237 return r; 1238 } 1239 } 1240 1241 r = gmc_v8_0_gart_enable(adev); 1242 if (r) 1243 return r; 1244 1245 return r; 1246 } 1247 1248 static int gmc_v8_0_hw_fini(void *handle) 1249 { 1250 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1251 1252 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); 1253 gmc_v8_0_gart_disable(adev); 1254 1255 return 0; 1256 } 1257 1258 static int gmc_v8_0_suspend(void *handle) 1259 { 1260 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1261 1262 gmc_v8_0_hw_fini(adev); 1263 1264 return 0; 1265 } 1266 1267 static int gmc_v8_0_resume(void *handle) 1268 { 1269 int r; 1270 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1271 1272 r = gmc_v8_0_hw_init(adev); 1273 if (r) 1274 return r; 1275 1276 amdgpu_vmid_reset_all(adev); 1277 1278 return 0; 1279 } 1280 1281 static bool gmc_v8_0_is_idle(void *handle) 1282 { 1283 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1284 u32 tmp = RREG32(mmSRBM_STATUS); 1285 1286 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1287 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) 1288 return false; 1289 1290 return true; 1291 } 1292 1293 static int gmc_v8_0_wait_for_idle(void *handle) 1294 { 1295 unsigned i; 1296 u32 tmp; 1297 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1298 1299 for (i = 0; i < adev->usec_timeout; i++) { 1300 /* read MC_STATUS */ 1301 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | 1302 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1303 SRBM_STATUS__MCC_BUSY_MASK | 1304 SRBM_STATUS__MCD_BUSY_MASK | 1305 SRBM_STATUS__VMC_BUSY_MASK | 1306 SRBM_STATUS__VMC1_BUSY_MASK); 1307 if (!tmp) 1308 return 0; 1309 udelay(1); 1310 } 1311 return -ETIMEDOUT; 1312 1313 } 1314 1315 static bool gmc_v8_0_check_soft_reset(void *handle) 1316 { 1317 u32 srbm_soft_reset = 0; 1318 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1319 u32 tmp = RREG32(mmSRBM_STATUS); 1320 1321 if (tmp & SRBM_STATUS__VMC_BUSY_MASK) 1322 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1323 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); 1324 1325 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | 1326 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { 1327 if (!(adev->flags & AMD_IS_APU)) 1328 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, 1329 SRBM_SOFT_RESET, SOFT_RESET_MC, 1); 1330 } 1331 if (srbm_soft_reset) { 1332 adev->gmc.srbm_soft_reset = srbm_soft_reset; 1333 return true; 1334 } else { 1335 adev->gmc.srbm_soft_reset = 0; 1336 return false; 1337 } 1338 } 1339 1340 static int gmc_v8_0_pre_soft_reset(void *handle) 1341 { 1342 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1343 1344 if (!adev->gmc.srbm_soft_reset) 1345 return 0; 1346 1347 gmc_v8_0_mc_stop(adev); 1348 if (gmc_v8_0_wait_for_idle(adev)) { 1349 dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); 1350 } 1351 1352 return 0; 1353 } 1354 1355 static int gmc_v8_0_soft_reset(void *handle) 1356 { 1357 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1358 u32 srbm_soft_reset; 1359 1360 if (!adev->gmc.srbm_soft_reset) 1361 return 0; 1362 srbm_soft_reset = adev->gmc.srbm_soft_reset; 1363 1364 if (srbm_soft_reset) { 1365 u32 tmp; 1366 1367 tmp = RREG32(mmSRBM_SOFT_RESET); 1368 tmp |= srbm_soft_reset; 1369 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1370 WREG32(mmSRBM_SOFT_RESET, tmp); 1371 tmp = RREG32(mmSRBM_SOFT_RESET); 1372 1373 udelay(50); 1374 1375 tmp &= ~srbm_soft_reset; 1376 WREG32(mmSRBM_SOFT_RESET, tmp); 1377 tmp = RREG32(mmSRBM_SOFT_RESET); 1378 1379 /* Wait a little for things to settle down */ 1380 udelay(50); 1381 } 1382 1383 return 0; 1384 } 1385 1386 static int gmc_v8_0_post_soft_reset(void *handle) 1387 { 1388 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1389 1390 if (!adev->gmc.srbm_soft_reset) 1391 return 0; 1392 1393 gmc_v8_0_mc_resume(adev); 1394 return 0; 1395 } 1396 1397 static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev, 1398 struct amdgpu_irq_src *src, 1399 unsigned type, 1400 enum amdgpu_interrupt_state state) 1401 { 1402 u32 tmp; 1403 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1404 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1405 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1406 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1407 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1408 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | 1409 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); 1410 1411 switch (state) { 1412 case AMDGPU_IRQ_STATE_DISABLE: 1413 /* system context */ 1414 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1415 tmp &= ~bits; 1416 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1417 /* VMs */ 1418 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1419 tmp &= ~bits; 1420 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1421 break; 1422 case AMDGPU_IRQ_STATE_ENABLE: 1423 /* system context */ 1424 tmp = RREG32(mmVM_CONTEXT0_CNTL); 1425 tmp |= bits; 1426 WREG32(mmVM_CONTEXT0_CNTL, tmp); 1427 /* VMs */ 1428 tmp = RREG32(mmVM_CONTEXT1_CNTL); 1429 tmp |= bits; 1430 WREG32(mmVM_CONTEXT1_CNTL, tmp); 1431 break; 1432 default: 1433 break; 1434 } 1435 1436 return 0; 1437 } 1438 1439 static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, 1440 struct amdgpu_irq_src *source, 1441 struct amdgpu_iv_entry *entry) 1442 { 1443 u32 addr, status, mc_client, vmid; 1444 1445 if (amdgpu_sriov_vf(adev)) { 1446 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", 1447 entry->src_id, entry->src_data[0]); 1448 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n"); 1449 return 0; 1450 } 1451 1452 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); 1453 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); 1454 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); 1455 /* reset addr and status */ 1456 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); 1457 1458 if (!addr && !status) 1459 return 0; 1460 1461 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) 1462 gmc_v8_0_set_fault_enable_default(adev, false); 1463 1464 if (printk_ratelimit()) { 1465 struct amdgpu_task_info task_info; 1466 1467 memset(&task_info, 0, sizeof(struct amdgpu_task_info)); 1468 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info); 1469 1470 dev_err(adev->dev, "GPU fault detected: %d 0x%08x for process %s pid %d thread %s pid %d\n", 1471 entry->src_id, entry->src_data[0], task_info.process_name, 1472 task_info.tgid, task_info.task_name, task_info.pid); 1473 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", 1474 addr); 1475 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", 1476 status); 1477 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client, 1478 entry->pasid); 1479 } 1480 1481 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1482 VMID); 1483 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid) 1484 && !atomic_read(&adev->gmc.vm_fault_info_updated)) { 1485 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info; 1486 u32 protections = REG_GET_FIELD(status, 1487 VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1488 PROTECTIONS); 1489 1490 info->vmid = vmid; 1491 info->mc_id = REG_GET_FIELD(status, 1492 VM_CONTEXT1_PROTECTION_FAULT_STATUS, 1493 MEMORY_CLIENT_ID); 1494 info->status = status; 1495 info->page_addr = addr; 1496 info->prot_valid = protections & 0x7 ? true : false; 1497 info->prot_read = protections & 0x8 ? true : false; 1498 info->prot_write = protections & 0x10 ? true : false; 1499 info->prot_exec = protections & 0x20 ? true : false; 1500 mb(); 1501 atomic_set(&adev->gmc.vm_fault_info_updated, 1); 1502 } 1503 1504 return 0; 1505 } 1506 1507 static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, 1508 bool enable) 1509 { 1510 uint32_t data; 1511 1512 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { 1513 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1514 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK; 1515 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1516 1517 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1518 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK; 1519 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1520 1521 data = RREG32(mmMC_HUB_MISC_VM_CG); 1522 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK; 1523 WREG32(mmMC_HUB_MISC_VM_CG, data); 1524 1525 data = RREG32(mmMC_XPB_CLK_GAT); 1526 data |= MC_XPB_CLK_GAT__ENABLE_MASK; 1527 WREG32(mmMC_XPB_CLK_GAT, data); 1528 1529 data = RREG32(mmATC_MISC_CG); 1530 data |= ATC_MISC_CG__ENABLE_MASK; 1531 WREG32(mmATC_MISC_CG, data); 1532 1533 data = RREG32(mmMC_CITF_MISC_WR_CG); 1534 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK; 1535 WREG32(mmMC_CITF_MISC_WR_CG, data); 1536 1537 data = RREG32(mmMC_CITF_MISC_RD_CG); 1538 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK; 1539 WREG32(mmMC_CITF_MISC_RD_CG, data); 1540 1541 data = RREG32(mmMC_CITF_MISC_VM_CG); 1542 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK; 1543 WREG32(mmMC_CITF_MISC_VM_CG, data); 1544 1545 data = RREG32(mmVM_L2_CG); 1546 data |= VM_L2_CG__ENABLE_MASK; 1547 WREG32(mmVM_L2_CG, data); 1548 } else { 1549 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1550 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK; 1551 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1552 1553 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1554 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK; 1555 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1556 1557 data = RREG32(mmMC_HUB_MISC_VM_CG); 1558 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK; 1559 WREG32(mmMC_HUB_MISC_VM_CG, data); 1560 1561 data = RREG32(mmMC_XPB_CLK_GAT); 1562 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK; 1563 WREG32(mmMC_XPB_CLK_GAT, data); 1564 1565 data = RREG32(mmATC_MISC_CG); 1566 data &= ~ATC_MISC_CG__ENABLE_MASK; 1567 WREG32(mmATC_MISC_CG, data); 1568 1569 data = RREG32(mmMC_CITF_MISC_WR_CG); 1570 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK; 1571 WREG32(mmMC_CITF_MISC_WR_CG, data); 1572 1573 data = RREG32(mmMC_CITF_MISC_RD_CG); 1574 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK; 1575 WREG32(mmMC_CITF_MISC_RD_CG, data); 1576 1577 data = RREG32(mmMC_CITF_MISC_VM_CG); 1578 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK; 1579 WREG32(mmMC_CITF_MISC_VM_CG, data); 1580 1581 data = RREG32(mmVM_L2_CG); 1582 data &= ~VM_L2_CG__ENABLE_MASK; 1583 WREG32(mmVM_L2_CG, data); 1584 } 1585 } 1586 1587 static void fiji_update_mc_light_sleep(struct amdgpu_device *adev, 1588 bool enable) 1589 { 1590 uint32_t data; 1591 1592 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) { 1593 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1594 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; 1595 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1596 1597 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1598 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; 1599 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1600 1601 data = RREG32(mmMC_HUB_MISC_VM_CG); 1602 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1603 WREG32(mmMC_HUB_MISC_VM_CG, data); 1604 1605 data = RREG32(mmMC_XPB_CLK_GAT); 1606 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; 1607 WREG32(mmMC_XPB_CLK_GAT, data); 1608 1609 data = RREG32(mmATC_MISC_CG); 1610 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK; 1611 WREG32(mmATC_MISC_CG, data); 1612 1613 data = RREG32(mmMC_CITF_MISC_WR_CG); 1614 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; 1615 WREG32(mmMC_CITF_MISC_WR_CG, data); 1616 1617 data = RREG32(mmMC_CITF_MISC_RD_CG); 1618 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; 1619 WREG32(mmMC_CITF_MISC_RD_CG, data); 1620 1621 data = RREG32(mmMC_CITF_MISC_VM_CG); 1622 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1623 WREG32(mmMC_CITF_MISC_VM_CG, data); 1624 1625 data = RREG32(mmVM_L2_CG); 1626 data |= VM_L2_CG__MEM_LS_ENABLE_MASK; 1627 WREG32(mmVM_L2_CG, data); 1628 } else { 1629 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1630 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; 1631 WREG32(mmMC_HUB_MISC_HUB_CG, data); 1632 1633 data = RREG32(mmMC_HUB_MISC_SIP_CG); 1634 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; 1635 WREG32(mmMC_HUB_MISC_SIP_CG, data); 1636 1637 data = RREG32(mmMC_HUB_MISC_VM_CG); 1638 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1639 WREG32(mmMC_HUB_MISC_VM_CG, data); 1640 1641 data = RREG32(mmMC_XPB_CLK_GAT); 1642 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; 1643 WREG32(mmMC_XPB_CLK_GAT, data); 1644 1645 data = RREG32(mmATC_MISC_CG); 1646 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK; 1647 WREG32(mmATC_MISC_CG, data); 1648 1649 data = RREG32(mmMC_CITF_MISC_WR_CG); 1650 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; 1651 WREG32(mmMC_CITF_MISC_WR_CG, data); 1652 1653 data = RREG32(mmMC_CITF_MISC_RD_CG); 1654 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; 1655 WREG32(mmMC_CITF_MISC_RD_CG, data); 1656 1657 data = RREG32(mmMC_CITF_MISC_VM_CG); 1658 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; 1659 WREG32(mmMC_CITF_MISC_VM_CG, data); 1660 1661 data = RREG32(mmVM_L2_CG); 1662 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK; 1663 WREG32(mmVM_L2_CG, data); 1664 } 1665 } 1666 1667 static int gmc_v8_0_set_clockgating_state(void *handle, 1668 enum amd_clockgating_state state) 1669 { 1670 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1671 1672 if (amdgpu_sriov_vf(adev)) 1673 return 0; 1674 1675 switch (adev->asic_type) { 1676 case CHIP_FIJI: 1677 fiji_update_mc_medium_grain_clock_gating(adev, 1678 state == AMD_CG_STATE_GATE); 1679 fiji_update_mc_light_sleep(adev, 1680 state == AMD_CG_STATE_GATE); 1681 break; 1682 default: 1683 break; 1684 } 1685 return 0; 1686 } 1687 1688 static int gmc_v8_0_set_powergating_state(void *handle, 1689 enum amd_powergating_state state) 1690 { 1691 return 0; 1692 } 1693 1694 static void gmc_v8_0_get_clockgating_state(void *handle, u32 *flags) 1695 { 1696 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1697 int data; 1698 1699 if (amdgpu_sriov_vf(adev)) 1700 *flags = 0; 1701 1702 /* AMD_CG_SUPPORT_MC_MGCG */ 1703 data = RREG32(mmMC_HUB_MISC_HUB_CG); 1704 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK) 1705 *flags |= AMD_CG_SUPPORT_MC_MGCG; 1706 1707 /* AMD_CG_SUPPORT_MC_LS */ 1708 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK) 1709 *flags |= AMD_CG_SUPPORT_MC_LS; 1710 } 1711 1712 static const struct amd_ip_funcs gmc_v8_0_ip_funcs = { 1713 .name = "gmc_v8_0", 1714 .early_init = gmc_v8_0_early_init, 1715 .late_init = gmc_v8_0_late_init, 1716 .sw_init = gmc_v8_0_sw_init, 1717 .sw_fini = gmc_v8_0_sw_fini, 1718 .hw_init = gmc_v8_0_hw_init, 1719 .hw_fini = gmc_v8_0_hw_fini, 1720 .suspend = gmc_v8_0_suspend, 1721 .resume = gmc_v8_0_resume, 1722 .is_idle = gmc_v8_0_is_idle, 1723 .wait_for_idle = gmc_v8_0_wait_for_idle, 1724 .check_soft_reset = gmc_v8_0_check_soft_reset, 1725 .pre_soft_reset = gmc_v8_0_pre_soft_reset, 1726 .soft_reset = gmc_v8_0_soft_reset, 1727 .post_soft_reset = gmc_v8_0_post_soft_reset, 1728 .set_clockgating_state = gmc_v8_0_set_clockgating_state, 1729 .set_powergating_state = gmc_v8_0_set_powergating_state, 1730 .get_clockgating_state = gmc_v8_0_get_clockgating_state, 1731 }; 1732 1733 static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = { 1734 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb, 1735 .flush_gpu_tlb_pasid = gmc_v8_0_flush_gpu_tlb_pasid, 1736 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb, 1737 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping, 1738 .set_prt = gmc_v8_0_set_prt, 1739 .get_vm_pde = gmc_v8_0_get_vm_pde, 1740 .get_vm_pte = gmc_v8_0_get_vm_pte, 1741 .get_vbios_fb_size = gmc_v8_0_get_vbios_fb_size, 1742 }; 1743 1744 static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = { 1745 .set = gmc_v8_0_vm_fault_interrupt_state, 1746 .process = gmc_v8_0_process_interrupt, 1747 }; 1748 1749 static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev) 1750 { 1751 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs; 1752 } 1753 1754 static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev) 1755 { 1756 adev->gmc.vm_fault.num_types = 1; 1757 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs; 1758 } 1759 1760 const struct amdgpu_ip_block_version gmc_v8_0_ip_block = 1761 { 1762 .type = AMD_IP_BLOCK_TYPE_GMC, 1763 .major = 8, 1764 .minor = 0, 1765 .rev = 0, 1766 .funcs = &gmc_v8_0_ip_funcs, 1767 }; 1768 1769 const struct amdgpu_ip_block_version gmc_v8_1_ip_block = 1770 { 1771 .type = AMD_IP_BLOCK_TYPE_GMC, 1772 .major = 8, 1773 .minor = 1, 1774 .rev = 0, 1775 .funcs = &gmc_v8_0_ip_funcs, 1776 }; 1777 1778 const struct amdgpu_ip_block_version gmc_v8_5_ip_block = 1779 { 1780 .type = AMD_IP_BLOCK_TYPE_GMC, 1781 .major = 8, 1782 .minor = 5, 1783 .rev = 0, 1784 .funcs = &gmc_v8_0_ip_funcs, 1785 }; 1786