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