1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 29 #include "amdgpu.h" 30 #include <drm/drm_debugfs.h> 31 #include <drm/amdgpu_drm.h> 32 #include "amdgpu_sched.h" 33 #include "amdgpu_uvd.h" 34 #include "amdgpu_vce.h" 35 #include "atom.h" 36 37 #include <linux/vga_switcheroo.h> 38 #include <linux/slab.h> 39 #include <linux/uaccess.h> 40 #include <linux/pci.h> 41 #include <linux/pm_runtime.h> 42 #include "amdgpu_amdkfd.h" 43 #include "amdgpu_gem.h" 44 #include "amdgpu_display.h" 45 #include "amdgpu_ras.h" 46 47 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev) 48 { 49 struct amdgpu_gpu_instance *gpu_instance; 50 int i; 51 52 mutex_lock(&mgpu_info.mutex); 53 54 for (i = 0; i < mgpu_info.num_gpu; i++) { 55 gpu_instance = &(mgpu_info.gpu_ins[i]); 56 if (gpu_instance->adev == adev) { 57 mgpu_info.gpu_ins[i] = 58 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1]; 59 mgpu_info.num_gpu--; 60 if (adev->flags & AMD_IS_APU) 61 mgpu_info.num_apu--; 62 else 63 mgpu_info.num_dgpu--; 64 break; 65 } 66 } 67 68 mutex_unlock(&mgpu_info.mutex); 69 } 70 71 /** 72 * amdgpu_driver_unload_kms - Main unload function for KMS. 73 * 74 * @dev: drm dev pointer 75 * 76 * This is the main unload function for KMS (all asics). 77 * Returns 0 on success. 78 */ 79 void amdgpu_driver_unload_kms(struct drm_device *dev) 80 { 81 struct amdgpu_device *adev = dev->dev_private; 82 83 if (adev == NULL) 84 return; 85 86 amdgpu_unregister_gpu_instance(adev); 87 88 if (adev->rmmio == NULL) 89 goto done_free; 90 91 if (adev->runpm) { 92 pm_runtime_get_sync(dev->dev); 93 pm_runtime_forbid(dev->dev); 94 } 95 96 amdgpu_acpi_fini(adev); 97 98 amdgpu_device_fini(adev); 99 100 done_free: 101 kfree(adev); 102 dev->dev_private = NULL; 103 } 104 105 void amdgpu_register_gpu_instance(struct amdgpu_device *adev) 106 { 107 struct amdgpu_gpu_instance *gpu_instance; 108 109 mutex_lock(&mgpu_info.mutex); 110 111 if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) { 112 DRM_ERROR("Cannot register more gpu instance\n"); 113 mutex_unlock(&mgpu_info.mutex); 114 return; 115 } 116 117 gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]); 118 gpu_instance->adev = adev; 119 gpu_instance->mgpu_fan_enabled = 0; 120 121 mgpu_info.num_gpu++; 122 if (adev->flags & AMD_IS_APU) 123 mgpu_info.num_apu++; 124 else 125 mgpu_info.num_dgpu++; 126 127 mutex_unlock(&mgpu_info.mutex); 128 } 129 130 /** 131 * amdgpu_driver_load_kms - Main load function for KMS. 132 * 133 * @dev: drm dev pointer 134 * @flags: device flags 135 * 136 * This is the main load function for KMS (all asics). 137 * Returns 0 on success, error on failure. 138 */ 139 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) 140 { 141 struct amdgpu_device *adev; 142 int r, acpi_status; 143 144 adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL); 145 if (adev == NULL) { 146 return -ENOMEM; 147 } 148 dev->dev_private = (void *)adev; 149 150 if (amdgpu_has_atpx() && 151 (amdgpu_is_atpx_hybrid() || 152 amdgpu_has_atpx_dgpu_power_cntl()) && 153 ((flags & AMD_IS_APU) == 0) && 154 !pci_is_thunderbolt_attached(dev->pdev)) 155 flags |= AMD_IS_PX; 156 157 /* amdgpu_device_init should report only fatal error 158 * like memory allocation failure or iomapping failure, 159 * or memory manager initialization failure, it must 160 * properly initialize the GPU MC controller and permit 161 * VRAM allocation 162 */ 163 r = amdgpu_device_init(adev, dev, dev->pdev, flags); 164 if (r) { 165 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); 166 goto out; 167 } 168 169 if (amdgpu_device_supports_boco(dev) && 170 (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */ 171 adev->runpm = true; 172 } else if (amdgpu_device_supports_baco(dev) && 173 (amdgpu_runtime_pm != 0)) { 174 switch (adev->asic_type) { 175 #ifdef CONFIG_DRM_AMDGPU_CIK 176 case CHIP_BONAIRE: 177 case CHIP_HAWAII: 178 #endif 179 case CHIP_VEGA20: 180 case CHIP_ARCTURUS: 181 case CHIP_SIENNA_CICHLID: 182 /* enable runpm if runpm=1 */ 183 if (amdgpu_runtime_pm > 0) 184 adev->runpm = true; 185 break; 186 case CHIP_VEGA10: 187 /* turn runpm on if noretry=0 */ 188 if (!amdgpu_noretry) 189 adev->runpm = true; 190 break; 191 default: 192 /* enable runpm on VI+ */ 193 adev->runpm = true; 194 break; 195 } 196 } 197 198 /* Call ACPI methods: require modeset init 199 * but failure is not fatal 200 */ 201 202 acpi_status = amdgpu_acpi_init(adev); 203 if (acpi_status) 204 dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n"); 205 206 if (adev->runpm) { 207 /* only need to skip on ATPX */ 208 if (amdgpu_device_supports_boco(dev) && 209 !amdgpu_is_atpx_hybrid()) 210 dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE); 211 pm_runtime_use_autosuspend(dev->dev); 212 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 213 pm_runtime_allow(dev->dev); 214 pm_runtime_mark_last_busy(dev->dev); 215 pm_runtime_put_autosuspend(dev->dev); 216 } 217 218 out: 219 if (r) { 220 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */ 221 if (adev->rmmio && adev->runpm) 222 pm_runtime_put_noidle(dev->dev); 223 amdgpu_driver_unload_kms(dev); 224 } 225 226 return r; 227 } 228 229 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info, 230 struct drm_amdgpu_query_fw *query_fw, 231 struct amdgpu_device *adev) 232 { 233 switch (query_fw->fw_type) { 234 case AMDGPU_INFO_FW_VCE: 235 fw_info->ver = adev->vce.fw_version; 236 fw_info->feature = adev->vce.fb_version; 237 break; 238 case AMDGPU_INFO_FW_UVD: 239 fw_info->ver = adev->uvd.fw_version; 240 fw_info->feature = 0; 241 break; 242 case AMDGPU_INFO_FW_VCN: 243 fw_info->ver = adev->vcn.fw_version; 244 fw_info->feature = 0; 245 break; 246 case AMDGPU_INFO_FW_GMC: 247 fw_info->ver = adev->gmc.fw_version; 248 fw_info->feature = 0; 249 break; 250 case AMDGPU_INFO_FW_GFX_ME: 251 fw_info->ver = adev->gfx.me_fw_version; 252 fw_info->feature = adev->gfx.me_feature_version; 253 break; 254 case AMDGPU_INFO_FW_GFX_PFP: 255 fw_info->ver = adev->gfx.pfp_fw_version; 256 fw_info->feature = adev->gfx.pfp_feature_version; 257 break; 258 case AMDGPU_INFO_FW_GFX_CE: 259 fw_info->ver = adev->gfx.ce_fw_version; 260 fw_info->feature = adev->gfx.ce_feature_version; 261 break; 262 case AMDGPU_INFO_FW_GFX_RLC: 263 fw_info->ver = adev->gfx.rlc_fw_version; 264 fw_info->feature = adev->gfx.rlc_feature_version; 265 break; 266 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL: 267 fw_info->ver = adev->gfx.rlc_srlc_fw_version; 268 fw_info->feature = adev->gfx.rlc_srlc_feature_version; 269 break; 270 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM: 271 fw_info->ver = adev->gfx.rlc_srlg_fw_version; 272 fw_info->feature = adev->gfx.rlc_srlg_feature_version; 273 break; 274 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM: 275 fw_info->ver = adev->gfx.rlc_srls_fw_version; 276 fw_info->feature = adev->gfx.rlc_srls_feature_version; 277 break; 278 case AMDGPU_INFO_FW_GFX_MEC: 279 if (query_fw->index == 0) { 280 fw_info->ver = adev->gfx.mec_fw_version; 281 fw_info->feature = adev->gfx.mec_feature_version; 282 } else if (query_fw->index == 1) { 283 fw_info->ver = adev->gfx.mec2_fw_version; 284 fw_info->feature = adev->gfx.mec2_feature_version; 285 } else 286 return -EINVAL; 287 break; 288 case AMDGPU_INFO_FW_SMC: 289 fw_info->ver = adev->pm.fw_version; 290 fw_info->feature = 0; 291 break; 292 case AMDGPU_INFO_FW_TA: 293 if (query_fw->index > 1) 294 return -EINVAL; 295 if (query_fw->index == 0) { 296 fw_info->ver = adev->psp.ta_fw_version; 297 fw_info->feature = adev->psp.ta_xgmi_ucode_version; 298 } else { 299 fw_info->ver = adev->psp.ta_fw_version; 300 fw_info->feature = adev->psp.ta_ras_ucode_version; 301 } 302 break; 303 case AMDGPU_INFO_FW_SDMA: 304 if (query_fw->index >= adev->sdma.num_instances) 305 return -EINVAL; 306 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version; 307 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version; 308 break; 309 case AMDGPU_INFO_FW_SOS: 310 fw_info->ver = adev->psp.sos_fw_version; 311 fw_info->feature = adev->psp.sos_feature_version; 312 break; 313 case AMDGPU_INFO_FW_ASD: 314 fw_info->ver = adev->psp.asd_fw_version; 315 fw_info->feature = adev->psp.asd_feature_version; 316 break; 317 case AMDGPU_INFO_FW_DMCU: 318 fw_info->ver = adev->dm.dmcu_fw_version; 319 fw_info->feature = 0; 320 break; 321 case AMDGPU_INFO_FW_DMCUB: 322 fw_info->ver = adev->dm.dmcub_fw_version; 323 fw_info->feature = 0; 324 break; 325 default: 326 return -EINVAL; 327 } 328 return 0; 329 } 330 331 static int amdgpu_hw_ip_info(struct amdgpu_device *adev, 332 struct drm_amdgpu_info *info, 333 struct drm_amdgpu_info_hw_ip *result) 334 { 335 uint32_t ib_start_alignment = 0; 336 uint32_t ib_size_alignment = 0; 337 enum amd_ip_block_type type; 338 unsigned int num_rings = 0; 339 unsigned int i, j; 340 341 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT) 342 return -EINVAL; 343 344 switch (info->query_hw_ip.type) { 345 case AMDGPU_HW_IP_GFX: 346 type = AMD_IP_BLOCK_TYPE_GFX; 347 for (i = 0; i < adev->gfx.num_gfx_rings; i++) 348 if (adev->gfx.gfx_ring[i].sched.ready) 349 ++num_rings; 350 ib_start_alignment = 32; 351 ib_size_alignment = 32; 352 break; 353 case AMDGPU_HW_IP_COMPUTE: 354 type = AMD_IP_BLOCK_TYPE_GFX; 355 for (i = 0; i < adev->gfx.num_compute_rings; i++) 356 if (adev->gfx.compute_ring[i].sched.ready) 357 ++num_rings; 358 ib_start_alignment = 32; 359 ib_size_alignment = 32; 360 break; 361 case AMDGPU_HW_IP_DMA: 362 type = AMD_IP_BLOCK_TYPE_SDMA; 363 for (i = 0; i < adev->sdma.num_instances; i++) 364 if (adev->sdma.instance[i].ring.sched.ready) 365 ++num_rings; 366 ib_start_alignment = 256; 367 ib_size_alignment = 4; 368 break; 369 case AMDGPU_HW_IP_UVD: 370 type = AMD_IP_BLOCK_TYPE_UVD; 371 for (i = 0; i < adev->uvd.num_uvd_inst; i++) { 372 if (adev->uvd.harvest_config & (1 << i)) 373 continue; 374 375 if (adev->uvd.inst[i].ring.sched.ready) 376 ++num_rings; 377 } 378 ib_start_alignment = 64; 379 ib_size_alignment = 64; 380 break; 381 case AMDGPU_HW_IP_VCE: 382 type = AMD_IP_BLOCK_TYPE_VCE; 383 for (i = 0; i < adev->vce.num_rings; i++) 384 if (adev->vce.ring[i].sched.ready) 385 ++num_rings; 386 ib_start_alignment = 4; 387 ib_size_alignment = 1; 388 break; 389 case AMDGPU_HW_IP_UVD_ENC: 390 type = AMD_IP_BLOCK_TYPE_UVD; 391 for (i = 0; i < adev->uvd.num_uvd_inst; i++) { 392 if (adev->uvd.harvest_config & (1 << i)) 393 continue; 394 395 for (j = 0; j < adev->uvd.num_enc_rings; j++) 396 if (adev->uvd.inst[i].ring_enc[j].sched.ready) 397 ++num_rings; 398 } 399 ib_start_alignment = 64; 400 ib_size_alignment = 64; 401 break; 402 case AMDGPU_HW_IP_VCN_DEC: 403 type = AMD_IP_BLOCK_TYPE_VCN; 404 for (i = 0; i < adev->vcn.num_vcn_inst; i++) { 405 if (adev->uvd.harvest_config & (1 << i)) 406 continue; 407 408 if (adev->vcn.inst[i].ring_dec.sched.ready) 409 ++num_rings; 410 } 411 ib_start_alignment = 16; 412 ib_size_alignment = 16; 413 break; 414 case AMDGPU_HW_IP_VCN_ENC: 415 type = AMD_IP_BLOCK_TYPE_VCN; 416 for (i = 0; i < adev->vcn.num_vcn_inst; i++) { 417 if (adev->uvd.harvest_config & (1 << i)) 418 continue; 419 420 for (j = 0; j < adev->vcn.num_enc_rings; j++) 421 if (adev->vcn.inst[i].ring_enc[j].sched.ready) 422 ++num_rings; 423 } 424 ib_start_alignment = 64; 425 ib_size_alignment = 1; 426 break; 427 case AMDGPU_HW_IP_VCN_JPEG: 428 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ? 429 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN; 430 431 for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) { 432 if (adev->jpeg.harvest_config & (1 << i)) 433 continue; 434 435 if (adev->jpeg.inst[i].ring_dec.sched.ready) 436 ++num_rings; 437 } 438 ib_start_alignment = 16; 439 ib_size_alignment = 16; 440 break; 441 default: 442 return -EINVAL; 443 } 444 445 for (i = 0; i < adev->num_ip_blocks; i++) 446 if (adev->ip_blocks[i].version->type == type && 447 adev->ip_blocks[i].status.valid) 448 break; 449 450 if (i == adev->num_ip_blocks) 451 return 0; 452 453 num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type], 454 num_rings); 455 456 result->hw_ip_version_major = adev->ip_blocks[i].version->major; 457 result->hw_ip_version_minor = adev->ip_blocks[i].version->minor; 458 result->capabilities_flags = 0; 459 result->available_rings = (1 << num_rings) - 1; 460 result->ib_start_alignment = ib_start_alignment; 461 result->ib_size_alignment = ib_size_alignment; 462 return 0; 463 } 464 465 /* 466 * Userspace get information ioctl 467 */ 468 /** 469 * amdgpu_info_ioctl - answer a device specific request. 470 * 471 * @adev: amdgpu device pointer 472 * @data: request object 473 * @filp: drm filp 474 * 475 * This function is used to pass device specific parameters to the userspace 476 * drivers. Examples include: pci device id, pipeline parms, tiling params, 477 * etc. (all asics). 478 * Returns 0 on success, -EINVAL on failure. 479 */ 480 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) 481 { 482 struct amdgpu_device *adev = dev->dev_private; 483 struct drm_amdgpu_info *info = data; 484 struct amdgpu_mode_info *minfo = &adev->mode_info; 485 void __user *out = (void __user *)(uintptr_t)info->return_pointer; 486 uint32_t size = info->return_size; 487 struct drm_crtc *crtc; 488 uint32_t ui32 = 0; 489 uint64_t ui64 = 0; 490 int i, found; 491 int ui32_size = sizeof(ui32); 492 493 if (!info->return_size || !info->return_pointer) 494 return -EINVAL; 495 496 switch (info->query) { 497 case AMDGPU_INFO_ACCEL_WORKING: 498 ui32 = adev->accel_working; 499 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; 500 case AMDGPU_INFO_CRTC_FROM_ID: 501 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) { 502 crtc = (struct drm_crtc *)minfo->crtcs[i]; 503 if (crtc && crtc->base.id == info->mode_crtc.id) { 504 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 505 ui32 = amdgpu_crtc->crtc_id; 506 found = 1; 507 break; 508 } 509 } 510 if (!found) { 511 DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id); 512 return -EINVAL; 513 } 514 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; 515 case AMDGPU_INFO_HW_IP_INFO: { 516 struct drm_amdgpu_info_hw_ip ip = {}; 517 int ret; 518 519 ret = amdgpu_hw_ip_info(adev, info, &ip); 520 if (ret) 521 return ret; 522 523 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip))); 524 return ret ? -EFAULT : 0; 525 } 526 case AMDGPU_INFO_HW_IP_COUNT: { 527 enum amd_ip_block_type type; 528 uint32_t count = 0; 529 530 switch (info->query_hw_ip.type) { 531 case AMDGPU_HW_IP_GFX: 532 type = AMD_IP_BLOCK_TYPE_GFX; 533 break; 534 case AMDGPU_HW_IP_COMPUTE: 535 type = AMD_IP_BLOCK_TYPE_GFX; 536 break; 537 case AMDGPU_HW_IP_DMA: 538 type = AMD_IP_BLOCK_TYPE_SDMA; 539 break; 540 case AMDGPU_HW_IP_UVD: 541 type = AMD_IP_BLOCK_TYPE_UVD; 542 break; 543 case AMDGPU_HW_IP_VCE: 544 type = AMD_IP_BLOCK_TYPE_VCE; 545 break; 546 case AMDGPU_HW_IP_UVD_ENC: 547 type = AMD_IP_BLOCK_TYPE_UVD; 548 break; 549 case AMDGPU_HW_IP_VCN_DEC: 550 case AMDGPU_HW_IP_VCN_ENC: 551 type = AMD_IP_BLOCK_TYPE_VCN; 552 break; 553 case AMDGPU_HW_IP_VCN_JPEG: 554 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ? 555 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN; 556 break; 557 default: 558 return -EINVAL; 559 } 560 561 for (i = 0; i < adev->num_ip_blocks; i++) 562 if (adev->ip_blocks[i].version->type == type && 563 adev->ip_blocks[i].status.valid && 564 count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT) 565 count++; 566 567 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0; 568 } 569 case AMDGPU_INFO_TIMESTAMP: 570 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev); 571 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 572 case AMDGPU_INFO_FW_VERSION: { 573 struct drm_amdgpu_info_firmware fw_info; 574 int ret; 575 576 /* We only support one instance of each IP block right now. */ 577 if (info->query_fw.ip_instance != 0) 578 return -EINVAL; 579 580 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev); 581 if (ret) 582 return ret; 583 584 return copy_to_user(out, &fw_info, 585 min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0; 586 } 587 case AMDGPU_INFO_NUM_BYTES_MOVED: 588 ui64 = atomic64_read(&adev->num_bytes_moved); 589 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 590 case AMDGPU_INFO_NUM_EVICTIONS: 591 ui64 = atomic64_read(&adev->num_evictions); 592 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 593 case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS: 594 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults); 595 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 596 case AMDGPU_INFO_VRAM_USAGE: 597 ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); 598 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 599 case AMDGPU_INFO_VIS_VRAM_USAGE: 600 ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); 601 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 602 case AMDGPU_INFO_GTT_USAGE: 603 ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]); 604 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; 605 case AMDGPU_INFO_GDS_CONFIG: { 606 struct drm_amdgpu_info_gds gds_info; 607 608 memset(&gds_info, 0, sizeof(gds_info)); 609 gds_info.compute_partition_size = adev->gds.gds_size; 610 gds_info.gds_total_size = adev->gds.gds_size; 611 gds_info.gws_per_compute_partition = adev->gds.gws_size; 612 gds_info.oa_per_compute_partition = adev->gds.oa_size; 613 return copy_to_user(out, &gds_info, 614 min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0; 615 } 616 case AMDGPU_INFO_VRAM_GTT: { 617 struct drm_amdgpu_info_vram_gtt vram_gtt; 618 619 vram_gtt.vram_size = adev->gmc.real_vram_size - 620 atomic64_read(&adev->vram_pin_size) - 621 AMDGPU_VM_RESERVED_VRAM; 622 vram_gtt.vram_cpu_accessible_size = 623 min(adev->gmc.visible_vram_size - 624 atomic64_read(&adev->visible_pin_size), 625 vram_gtt.vram_size); 626 vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size; 627 vram_gtt.gtt_size *= PAGE_SIZE; 628 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size); 629 return copy_to_user(out, &vram_gtt, 630 min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0; 631 } 632 case AMDGPU_INFO_MEMORY: { 633 struct drm_amdgpu_memory_info mem; 634 635 memset(&mem, 0, sizeof(mem)); 636 mem.vram.total_heap_size = adev->gmc.real_vram_size; 637 mem.vram.usable_heap_size = adev->gmc.real_vram_size - 638 atomic64_read(&adev->vram_pin_size) - 639 AMDGPU_VM_RESERVED_VRAM; 640 mem.vram.heap_usage = 641 amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); 642 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4; 643 644 mem.cpu_accessible_vram.total_heap_size = 645 adev->gmc.visible_vram_size; 646 mem.cpu_accessible_vram.usable_heap_size = 647 min(adev->gmc.visible_vram_size - 648 atomic64_read(&adev->visible_pin_size), 649 mem.vram.usable_heap_size); 650 mem.cpu_accessible_vram.heap_usage = 651 amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); 652 mem.cpu_accessible_vram.max_allocation = 653 mem.cpu_accessible_vram.usable_heap_size * 3 / 4; 654 655 mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size; 656 mem.gtt.total_heap_size *= PAGE_SIZE; 657 mem.gtt.usable_heap_size = mem.gtt.total_heap_size - 658 atomic64_read(&adev->gart_pin_size); 659 mem.gtt.heap_usage = 660 amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]); 661 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4; 662 663 return copy_to_user(out, &mem, 664 min((size_t)size, sizeof(mem))) 665 ? -EFAULT : 0; 666 } 667 case AMDGPU_INFO_READ_MMR_REG: { 668 unsigned n, alloc_size; 669 uint32_t *regs; 670 unsigned se_num = (info->read_mmr_reg.instance >> 671 AMDGPU_INFO_MMR_SE_INDEX_SHIFT) & 672 AMDGPU_INFO_MMR_SE_INDEX_MASK; 673 unsigned sh_num = (info->read_mmr_reg.instance >> 674 AMDGPU_INFO_MMR_SH_INDEX_SHIFT) & 675 AMDGPU_INFO_MMR_SH_INDEX_MASK; 676 677 /* set full masks if the userspace set all bits 678 * in the bitfields */ 679 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) 680 se_num = 0xffffffff; 681 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) 682 sh_num = 0xffffffff; 683 684 if (info->read_mmr_reg.count > 128) 685 return -EINVAL; 686 687 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL); 688 if (!regs) 689 return -ENOMEM; 690 alloc_size = info->read_mmr_reg.count * sizeof(*regs); 691 692 amdgpu_gfx_off_ctrl(adev, false); 693 for (i = 0; i < info->read_mmr_reg.count; i++) { 694 if (amdgpu_asic_read_register(adev, se_num, sh_num, 695 info->read_mmr_reg.dword_offset + i, 696 ®s[i])) { 697 DRM_DEBUG_KMS("unallowed offset %#x\n", 698 info->read_mmr_reg.dword_offset + i); 699 kfree(regs); 700 amdgpu_gfx_off_ctrl(adev, true); 701 return -EFAULT; 702 } 703 } 704 amdgpu_gfx_off_ctrl(adev, true); 705 n = copy_to_user(out, regs, min(size, alloc_size)); 706 kfree(regs); 707 return n ? -EFAULT : 0; 708 } 709 case AMDGPU_INFO_DEV_INFO: { 710 struct drm_amdgpu_info_device dev_info; 711 uint64_t vm_size; 712 713 memset(&dev_info, 0, sizeof(dev_info)); 714 dev_info.device_id = dev->pdev->device; 715 dev_info.chip_rev = adev->rev_id; 716 dev_info.external_rev = adev->external_rev_id; 717 dev_info.pci_rev = dev->pdev->revision; 718 dev_info.family = adev->family; 719 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines; 720 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se; 721 /* return all clocks in KHz */ 722 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10; 723 if (adev->pm.dpm_enabled) { 724 dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10; 725 dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10; 726 } else { 727 dev_info.max_engine_clock = adev->clock.default_sclk * 10; 728 dev_info.max_memory_clock = adev->clock.default_mclk * 10; 729 } 730 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask; 731 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se * 732 adev->gfx.config.max_shader_engines; 733 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts; 734 dev_info._pad = 0; 735 dev_info.ids_flags = 0; 736 if (adev->flags & AMD_IS_APU) 737 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION; 738 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) 739 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION; 740 741 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE; 742 vm_size -= AMDGPU_VA_RESERVED_SIZE; 743 744 /* Older VCE FW versions are buggy and can handle only 40bits */ 745 if (adev->vce.fw_version && 746 adev->vce.fw_version < AMDGPU_VCE_FW_53_45) 747 vm_size = min(vm_size, 1ULL << 40); 748 749 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE; 750 dev_info.virtual_address_max = 751 min(vm_size, AMDGPU_GMC_HOLE_START); 752 753 if (vm_size > AMDGPU_GMC_HOLE_START) { 754 dev_info.high_va_offset = AMDGPU_GMC_HOLE_END; 755 dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size; 756 } 757 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE); 758 dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE; 759 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE; 760 dev_info.cu_active_number = adev->gfx.cu_info.number; 761 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask; 762 dev_info.ce_ram_size = adev->gfx.ce_ram_size; 763 memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0], 764 sizeof(adev->gfx.cu_info.ao_cu_bitmap)); 765 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0], 766 sizeof(adev->gfx.cu_info.bitmap)); 767 dev_info.vram_type = adev->gmc.vram_type; 768 dev_info.vram_bit_width = adev->gmc.vram_width; 769 dev_info.vce_harvest_config = adev->vce.harvest_config; 770 dev_info.gc_double_offchip_lds_buf = 771 adev->gfx.config.double_offchip_lds_buf; 772 dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size; 773 dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs; 774 dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh; 775 dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches; 776 dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth; 777 dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth; 778 dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads; 779 780 if (adev->family >= AMDGPU_FAMILY_NV) 781 dev_info.pa_sc_tile_steering_override = 782 adev->gfx.config.pa_sc_tile_steering_override; 783 784 dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask; 785 786 return copy_to_user(out, &dev_info, 787 min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; 788 } 789 case AMDGPU_INFO_VCE_CLOCK_TABLE: { 790 unsigned i; 791 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {}; 792 struct amd_vce_state *vce_state; 793 794 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) { 795 vce_state = amdgpu_dpm_get_vce_clock_state(adev, i); 796 if (vce_state) { 797 vce_clk_table.entries[i].sclk = vce_state->sclk; 798 vce_clk_table.entries[i].mclk = vce_state->mclk; 799 vce_clk_table.entries[i].eclk = vce_state->evclk; 800 vce_clk_table.num_valid_entries++; 801 } 802 } 803 804 return copy_to_user(out, &vce_clk_table, 805 min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0; 806 } 807 case AMDGPU_INFO_VBIOS: { 808 uint32_t bios_size = adev->bios_size; 809 810 switch (info->vbios_info.type) { 811 case AMDGPU_INFO_VBIOS_SIZE: 812 return copy_to_user(out, &bios_size, 813 min((size_t)size, sizeof(bios_size))) 814 ? -EFAULT : 0; 815 case AMDGPU_INFO_VBIOS_IMAGE: { 816 uint8_t *bios; 817 uint32_t bios_offset = info->vbios_info.offset; 818 819 if (bios_offset >= bios_size) 820 return -EINVAL; 821 822 bios = adev->bios + bios_offset; 823 return copy_to_user(out, bios, 824 min((size_t)size, (size_t)(bios_size - bios_offset))) 825 ? -EFAULT : 0; 826 } 827 default: 828 DRM_DEBUG_KMS("Invalid request %d\n", 829 info->vbios_info.type); 830 return -EINVAL; 831 } 832 } 833 case AMDGPU_INFO_NUM_HANDLES: { 834 struct drm_amdgpu_info_num_handles handle; 835 836 switch (info->query_hw_ip.type) { 837 case AMDGPU_HW_IP_UVD: 838 /* Starting Polaris, we support unlimited UVD handles */ 839 if (adev->asic_type < CHIP_POLARIS10) { 840 handle.uvd_max_handles = adev->uvd.max_handles; 841 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev); 842 843 return copy_to_user(out, &handle, 844 min((size_t)size, sizeof(handle))) ? -EFAULT : 0; 845 } else { 846 return -ENODATA; 847 } 848 849 break; 850 default: 851 return -EINVAL; 852 } 853 } 854 case AMDGPU_INFO_SENSOR: { 855 if (!adev->pm.dpm_enabled) 856 return -ENOENT; 857 858 switch (info->sensor_info.type) { 859 case AMDGPU_INFO_SENSOR_GFX_SCLK: 860 /* get sclk in Mhz */ 861 if (amdgpu_dpm_read_sensor(adev, 862 AMDGPU_PP_SENSOR_GFX_SCLK, 863 (void *)&ui32, &ui32_size)) { 864 return -EINVAL; 865 } 866 ui32 /= 100; 867 break; 868 case AMDGPU_INFO_SENSOR_GFX_MCLK: 869 /* get mclk in Mhz */ 870 if (amdgpu_dpm_read_sensor(adev, 871 AMDGPU_PP_SENSOR_GFX_MCLK, 872 (void *)&ui32, &ui32_size)) { 873 return -EINVAL; 874 } 875 ui32 /= 100; 876 break; 877 case AMDGPU_INFO_SENSOR_GPU_TEMP: 878 /* get temperature in millidegrees C */ 879 if (amdgpu_dpm_read_sensor(adev, 880 AMDGPU_PP_SENSOR_GPU_TEMP, 881 (void *)&ui32, &ui32_size)) { 882 return -EINVAL; 883 } 884 break; 885 case AMDGPU_INFO_SENSOR_GPU_LOAD: 886 /* get GPU load */ 887 if (amdgpu_dpm_read_sensor(adev, 888 AMDGPU_PP_SENSOR_GPU_LOAD, 889 (void *)&ui32, &ui32_size)) { 890 return -EINVAL; 891 } 892 break; 893 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER: 894 /* get average GPU power */ 895 if (amdgpu_dpm_read_sensor(adev, 896 AMDGPU_PP_SENSOR_GPU_POWER, 897 (void *)&ui32, &ui32_size)) { 898 return -EINVAL; 899 } 900 ui32 >>= 8; 901 break; 902 case AMDGPU_INFO_SENSOR_VDDNB: 903 /* get VDDNB in millivolts */ 904 if (amdgpu_dpm_read_sensor(adev, 905 AMDGPU_PP_SENSOR_VDDNB, 906 (void *)&ui32, &ui32_size)) { 907 return -EINVAL; 908 } 909 break; 910 case AMDGPU_INFO_SENSOR_VDDGFX: 911 /* get VDDGFX in millivolts */ 912 if (amdgpu_dpm_read_sensor(adev, 913 AMDGPU_PP_SENSOR_VDDGFX, 914 (void *)&ui32, &ui32_size)) { 915 return -EINVAL; 916 } 917 break; 918 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK: 919 /* get stable pstate sclk in Mhz */ 920 if (amdgpu_dpm_read_sensor(adev, 921 AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, 922 (void *)&ui32, &ui32_size)) { 923 return -EINVAL; 924 } 925 ui32 /= 100; 926 break; 927 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK: 928 /* get stable pstate mclk in Mhz */ 929 if (amdgpu_dpm_read_sensor(adev, 930 AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, 931 (void *)&ui32, &ui32_size)) { 932 return -EINVAL; 933 } 934 ui32 /= 100; 935 break; 936 default: 937 DRM_DEBUG_KMS("Invalid request %d\n", 938 info->sensor_info.type); 939 return -EINVAL; 940 } 941 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; 942 } 943 case AMDGPU_INFO_VRAM_LOST_COUNTER: 944 ui32 = atomic_read(&adev->vram_lost_counter); 945 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; 946 case AMDGPU_INFO_RAS_ENABLED_FEATURES: { 947 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); 948 uint64_t ras_mask; 949 950 if (!ras) 951 return -EINVAL; 952 ras_mask = (uint64_t)ras->supported << 32 | ras->features; 953 954 return copy_to_user(out, &ras_mask, 955 min_t(u64, size, sizeof(ras_mask))) ? 956 -EFAULT : 0; 957 } 958 default: 959 DRM_DEBUG_KMS("Invalid request %d\n", info->query); 960 return -EINVAL; 961 } 962 return 0; 963 } 964 965 966 /* 967 * Outdated mess for old drm with Xorg being in charge (void function now). 968 */ 969 /** 970 * amdgpu_driver_lastclose_kms - drm callback for last close 971 * 972 * @dev: drm dev pointer 973 * 974 * Switch vga_switcheroo state after last close (all asics). 975 */ 976 void amdgpu_driver_lastclose_kms(struct drm_device *dev) 977 { 978 drm_fb_helper_lastclose(dev); 979 vga_switcheroo_process_delayed_switch(); 980 } 981 982 /** 983 * amdgpu_driver_open_kms - drm callback for open 984 * 985 * @dev: drm dev pointer 986 * @file_priv: drm file 987 * 988 * On device open, init vm on cayman+ (all asics). 989 * Returns 0 on success, error on failure. 990 */ 991 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) 992 { 993 struct amdgpu_device *adev = dev->dev_private; 994 struct amdgpu_fpriv *fpriv; 995 int r, pasid; 996 997 /* Ensure IB tests are run on ring */ 998 flush_delayed_work(&adev->delayed_init_work); 999 1000 1001 if (amdgpu_ras_intr_triggered()) { 1002 DRM_ERROR("RAS Intr triggered, device disabled!!"); 1003 return -EHWPOISON; 1004 } 1005 1006 file_priv->driver_priv = NULL; 1007 1008 r = pm_runtime_get_sync(dev->dev); 1009 if (r < 0) 1010 goto pm_put; 1011 1012 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); 1013 if (unlikely(!fpriv)) { 1014 r = -ENOMEM; 1015 goto out_suspend; 1016 } 1017 1018 pasid = amdgpu_pasid_alloc(16); 1019 if (pasid < 0) { 1020 dev_warn(adev->dev, "No more PASIDs available!"); 1021 pasid = 0; 1022 } 1023 r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid); 1024 if (r) 1025 goto error_pasid; 1026 1027 fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL); 1028 if (!fpriv->prt_va) { 1029 r = -ENOMEM; 1030 goto error_vm; 1031 } 1032 1033 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { 1034 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK; 1035 1036 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj, 1037 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE); 1038 if (r) 1039 goto error_vm; 1040 } 1041 1042 mutex_init(&fpriv->bo_list_lock); 1043 idr_init(&fpriv->bo_list_handles); 1044 1045 amdgpu_ctx_mgr_init(&fpriv->ctx_mgr); 1046 1047 file_priv->driver_priv = fpriv; 1048 goto out_suspend; 1049 1050 error_vm: 1051 amdgpu_vm_fini(adev, &fpriv->vm); 1052 1053 error_pasid: 1054 if (pasid) 1055 amdgpu_pasid_free(pasid); 1056 1057 kfree(fpriv); 1058 1059 out_suspend: 1060 pm_runtime_mark_last_busy(dev->dev); 1061 pm_put: 1062 pm_runtime_put_autosuspend(dev->dev); 1063 1064 return r; 1065 } 1066 1067 /** 1068 * amdgpu_driver_postclose_kms - drm callback for post close 1069 * 1070 * @dev: drm dev pointer 1071 * @file_priv: drm file 1072 * 1073 * On device post close, tear down vm on cayman+ (all asics). 1074 */ 1075 void amdgpu_driver_postclose_kms(struct drm_device *dev, 1076 struct drm_file *file_priv) 1077 { 1078 struct amdgpu_device *adev = dev->dev_private; 1079 struct amdgpu_fpriv *fpriv = file_priv->driver_priv; 1080 struct amdgpu_bo_list *list; 1081 struct amdgpu_bo *pd; 1082 unsigned int pasid; 1083 int handle; 1084 1085 if (!fpriv) 1086 return; 1087 1088 pm_runtime_get_sync(dev->dev); 1089 1090 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL) 1091 amdgpu_uvd_free_handles(adev, file_priv); 1092 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL) 1093 amdgpu_vce_free_handles(adev, file_priv); 1094 1095 amdgpu_vm_bo_rmv(adev, fpriv->prt_va); 1096 1097 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) { 1098 /* TODO: how to handle reserve failure */ 1099 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true)); 1100 amdgpu_vm_bo_rmv(adev, fpriv->csa_va); 1101 fpriv->csa_va = NULL; 1102 amdgpu_bo_unreserve(adev->virt.csa_obj); 1103 } 1104 1105 pasid = fpriv->vm.pasid; 1106 pd = amdgpu_bo_ref(fpriv->vm.root.base.bo); 1107 1108 amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr); 1109 amdgpu_vm_fini(adev, &fpriv->vm); 1110 1111 if (pasid) 1112 amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid); 1113 amdgpu_bo_unref(&pd); 1114 1115 idr_for_each_entry(&fpriv->bo_list_handles, list, handle) 1116 amdgpu_bo_list_put(list); 1117 1118 idr_destroy(&fpriv->bo_list_handles); 1119 mutex_destroy(&fpriv->bo_list_lock); 1120 1121 kfree(fpriv); 1122 file_priv->driver_priv = NULL; 1123 1124 pm_runtime_mark_last_busy(dev->dev); 1125 pm_runtime_put_autosuspend(dev->dev); 1126 } 1127 1128 /* 1129 * VBlank related functions. 1130 */ 1131 /** 1132 * amdgpu_get_vblank_counter_kms - get frame count 1133 * 1134 * @crtc: crtc to get the frame count from 1135 * 1136 * Gets the frame count on the requested crtc (all asics). 1137 * Returns frame count on success, -EINVAL on failure. 1138 */ 1139 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc) 1140 { 1141 struct drm_device *dev = crtc->dev; 1142 unsigned int pipe = crtc->index; 1143 struct amdgpu_device *adev = dev->dev_private; 1144 int vpos, hpos, stat; 1145 u32 count; 1146 1147 if (pipe >= adev->mode_info.num_crtc) { 1148 DRM_ERROR("Invalid crtc %u\n", pipe); 1149 return -EINVAL; 1150 } 1151 1152 /* The hw increments its frame counter at start of vsync, not at start 1153 * of vblank, as is required by DRM core vblank counter handling. 1154 * Cook the hw count here to make it appear to the caller as if it 1155 * incremented at start of vblank. We measure distance to start of 1156 * vblank in vpos. vpos therefore will be >= 0 between start of vblank 1157 * and start of vsync, so vpos >= 0 means to bump the hw frame counter 1158 * result by 1 to give the proper appearance to caller. 1159 */ 1160 if (adev->mode_info.crtcs[pipe]) { 1161 /* Repeat readout if needed to provide stable result if 1162 * we cross start of vsync during the queries. 1163 */ 1164 do { 1165 count = amdgpu_display_vblank_get_counter(adev, pipe); 1166 /* Ask amdgpu_display_get_crtc_scanoutpos to return 1167 * vpos as distance to start of vblank, instead of 1168 * regular vertical scanout pos. 1169 */ 1170 stat = amdgpu_display_get_crtc_scanoutpos( 1171 dev, pipe, GET_DISTANCE_TO_VBLANKSTART, 1172 &vpos, &hpos, NULL, NULL, 1173 &adev->mode_info.crtcs[pipe]->base.hwmode); 1174 } while (count != amdgpu_display_vblank_get_counter(adev, pipe)); 1175 1176 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != 1177 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { 1178 DRM_DEBUG_VBL("Query failed! stat %d\n", stat); 1179 } else { 1180 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", 1181 pipe, vpos); 1182 1183 /* Bump counter if we are at >= leading edge of vblank, 1184 * but before vsync where vpos would turn negative and 1185 * the hw counter really increments. 1186 */ 1187 if (vpos >= 0) 1188 count++; 1189 } 1190 } else { 1191 /* Fallback to use value as is. */ 1192 count = amdgpu_display_vblank_get_counter(adev, pipe); 1193 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); 1194 } 1195 1196 return count; 1197 } 1198 1199 /** 1200 * amdgpu_enable_vblank_kms - enable vblank interrupt 1201 * 1202 * @crtc: crtc to enable vblank interrupt for 1203 * 1204 * Enable the interrupt on the requested crtc (all asics). 1205 * Returns 0 on success, -EINVAL on failure. 1206 */ 1207 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc) 1208 { 1209 struct drm_device *dev = crtc->dev; 1210 unsigned int pipe = crtc->index; 1211 struct amdgpu_device *adev = dev->dev_private; 1212 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe); 1213 1214 return amdgpu_irq_get(adev, &adev->crtc_irq, idx); 1215 } 1216 1217 /** 1218 * amdgpu_disable_vblank_kms - disable vblank interrupt 1219 * 1220 * @crtc: crtc to disable vblank interrupt for 1221 * 1222 * Disable the interrupt on the requested crtc (all asics). 1223 */ 1224 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc) 1225 { 1226 struct drm_device *dev = crtc->dev; 1227 unsigned int pipe = crtc->index; 1228 struct amdgpu_device *adev = dev->dev_private; 1229 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe); 1230 1231 amdgpu_irq_put(adev, &adev->crtc_irq, idx); 1232 } 1233 1234 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = { 1235 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1236 DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1237 DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1238 DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER), 1239 DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1240 DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1241 /* KMS */ 1242 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1243 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1244 DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1245 DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1246 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1247 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1248 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1249 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1250 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), 1251 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW) 1252 }; 1253 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms); 1254 1255 /* 1256 * Debugfs info 1257 */ 1258 #if defined(CONFIG_DEBUG_FS) 1259 1260 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data) 1261 { 1262 struct drm_info_node *node = (struct drm_info_node *) m->private; 1263 struct drm_device *dev = node->minor->dev; 1264 struct amdgpu_device *adev = dev->dev_private; 1265 struct drm_amdgpu_info_firmware fw_info; 1266 struct drm_amdgpu_query_fw query_fw; 1267 struct atom_context *ctx = adev->mode_info.atom_context; 1268 int ret, i; 1269 1270 /* VCE */ 1271 query_fw.fw_type = AMDGPU_INFO_FW_VCE; 1272 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1273 if (ret) 1274 return ret; 1275 seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n", 1276 fw_info.feature, fw_info.ver); 1277 1278 /* UVD */ 1279 query_fw.fw_type = AMDGPU_INFO_FW_UVD; 1280 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1281 if (ret) 1282 return ret; 1283 seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n", 1284 fw_info.feature, fw_info.ver); 1285 1286 /* GMC */ 1287 query_fw.fw_type = AMDGPU_INFO_FW_GMC; 1288 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1289 if (ret) 1290 return ret; 1291 seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n", 1292 fw_info.feature, fw_info.ver); 1293 1294 /* ME */ 1295 query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME; 1296 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1297 if (ret) 1298 return ret; 1299 seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n", 1300 fw_info.feature, fw_info.ver); 1301 1302 /* PFP */ 1303 query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP; 1304 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1305 if (ret) 1306 return ret; 1307 seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n", 1308 fw_info.feature, fw_info.ver); 1309 1310 /* CE */ 1311 query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE; 1312 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1313 if (ret) 1314 return ret; 1315 seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n", 1316 fw_info.feature, fw_info.ver); 1317 1318 /* RLC */ 1319 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC; 1320 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1321 if (ret) 1322 return ret; 1323 seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n", 1324 fw_info.feature, fw_info.ver); 1325 1326 /* RLC SAVE RESTORE LIST CNTL */ 1327 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL; 1328 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1329 if (ret) 1330 return ret; 1331 seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n", 1332 fw_info.feature, fw_info.ver); 1333 1334 /* RLC SAVE RESTORE LIST GPM MEM */ 1335 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM; 1336 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1337 if (ret) 1338 return ret; 1339 seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n", 1340 fw_info.feature, fw_info.ver); 1341 1342 /* RLC SAVE RESTORE LIST SRM MEM */ 1343 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM; 1344 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1345 if (ret) 1346 return ret; 1347 seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n", 1348 fw_info.feature, fw_info.ver); 1349 1350 /* MEC */ 1351 query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC; 1352 query_fw.index = 0; 1353 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1354 if (ret) 1355 return ret; 1356 seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n", 1357 fw_info.feature, fw_info.ver); 1358 1359 /* MEC2 */ 1360 if (adev->gfx.mec2_fw) { 1361 query_fw.index = 1; 1362 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1363 if (ret) 1364 return ret; 1365 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n", 1366 fw_info.feature, fw_info.ver); 1367 } 1368 1369 /* PSP SOS */ 1370 query_fw.fw_type = AMDGPU_INFO_FW_SOS; 1371 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1372 if (ret) 1373 return ret; 1374 seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n", 1375 fw_info.feature, fw_info.ver); 1376 1377 1378 /* PSP ASD */ 1379 query_fw.fw_type = AMDGPU_INFO_FW_ASD; 1380 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1381 if (ret) 1382 return ret; 1383 seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n", 1384 fw_info.feature, fw_info.ver); 1385 1386 query_fw.fw_type = AMDGPU_INFO_FW_TA; 1387 for (i = 0; i < 2; i++) { 1388 query_fw.index = i; 1389 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1390 if (ret) 1391 continue; 1392 seq_printf(m, "TA %s feature version: %u, firmware version: 0x%08x\n", 1393 i ? "RAS" : "XGMI", fw_info.feature, fw_info.ver); 1394 } 1395 1396 /* SMC */ 1397 query_fw.fw_type = AMDGPU_INFO_FW_SMC; 1398 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1399 if (ret) 1400 return ret; 1401 seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n", 1402 fw_info.feature, fw_info.ver); 1403 1404 /* SDMA */ 1405 query_fw.fw_type = AMDGPU_INFO_FW_SDMA; 1406 for (i = 0; i < adev->sdma.num_instances; i++) { 1407 query_fw.index = i; 1408 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1409 if (ret) 1410 return ret; 1411 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n", 1412 i, fw_info.feature, fw_info.ver); 1413 } 1414 1415 /* VCN */ 1416 query_fw.fw_type = AMDGPU_INFO_FW_VCN; 1417 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1418 if (ret) 1419 return ret; 1420 seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n", 1421 fw_info.feature, fw_info.ver); 1422 1423 /* DMCU */ 1424 query_fw.fw_type = AMDGPU_INFO_FW_DMCU; 1425 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1426 if (ret) 1427 return ret; 1428 seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n", 1429 fw_info.feature, fw_info.ver); 1430 1431 /* DMCUB */ 1432 query_fw.fw_type = AMDGPU_INFO_FW_DMCUB; 1433 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); 1434 if (ret) 1435 return ret; 1436 seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n", 1437 fw_info.feature, fw_info.ver); 1438 1439 1440 seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version); 1441 1442 return 0; 1443 } 1444 1445 static const struct drm_info_list amdgpu_firmware_info_list[] = { 1446 {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL}, 1447 }; 1448 #endif 1449 1450 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev) 1451 { 1452 #if defined(CONFIG_DEBUG_FS) 1453 return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list, 1454 ARRAY_SIZE(amdgpu_firmware_info_list)); 1455 #else 1456 return 0; 1457 #endif 1458 } 1459