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 #ifndef __AMDGPU_H__ 29 #define __AMDGPU_H__ 30 31 #ifdef pr_fmt 32 #undef pr_fmt 33 #endif 34 35 #define pr_fmt(fmt) "amdgpu: " fmt 36 37 #include "amdgpu_ctx.h" 38 39 #include <linux/atomic.h> 40 #include <linux/wait.h> 41 #include <linux/list.h> 42 #include <linux/kref.h> 43 #include <linux/rbtree.h> 44 #include <linux/hashtable.h> 45 #include <linux/dma-fence.h> 46 #include <linux/pci.h> 47 48 #include <drm/ttm/ttm_bo.h> 49 #include <drm/ttm/ttm_placement.h> 50 51 #include <drm/amdgpu_drm.h> 52 #include <drm/drm_gem.h> 53 #include <drm/drm_ioctl.h> 54 55 #include <kgd_kfd_interface.h> 56 #include "dm_pp_interface.h" 57 #include "kgd_pp_interface.h" 58 59 #include "amd_shared.h" 60 #include "amdgpu_utils.h" 61 #include "amdgpu_mode.h" 62 #include "amdgpu_ih.h" 63 #include "amdgpu_irq.h" 64 #include "amdgpu_ucode.h" 65 #include "amdgpu_ttm.h" 66 #include "amdgpu_psp.h" 67 #include "amdgpu_gds.h" 68 #include "amdgpu_sync.h" 69 #include "amdgpu_ring.h" 70 #include "amdgpu_vm.h" 71 #include "amdgpu_dpm.h" 72 #include "amdgpu_acp.h" 73 #include "amdgpu_uvd.h" 74 #include "amdgpu_vce.h" 75 #include "amdgpu_vcn.h" 76 #include "amdgpu_jpeg.h" 77 #include "amdgpu_vpe.h" 78 #include "amdgpu_umsch_mm.h" 79 #include "amdgpu_gmc.h" 80 #include "amdgpu_gfx.h" 81 #include "amdgpu_sdma.h" 82 #include "amdgpu_lsdma.h" 83 #include "amdgpu_nbio.h" 84 #include "amdgpu_reg_access.h" 85 #include "amdgpu_hdp.h" 86 #include "amdgpu_dm.h" 87 #include "amdgpu_virt.h" 88 #include "amdgpu_csa.h" 89 #include "amdgpu_mes_ctx.h" 90 #include "amdgpu_gart.h" 91 #include "amdgpu_debugfs.h" 92 #include "amdgpu_job.h" 93 #include "amdgpu_bo_list.h" 94 #include "amdgpu_gem.h" 95 #include "amdgpu_doorbell.h" 96 #include "amdgpu_amdkfd.h" 97 #include "amdgpu_discovery.h" 98 #include "amdgpu_mes.h" 99 #include "amdgpu_umc.h" 100 #include "amdgpu_mmhub.h" 101 #include "amdgpu_gfxhub.h" 102 #include "amdgpu_df.h" 103 #include "amdgpu_smuio.h" 104 #include "amdgpu_fdinfo.h" 105 #include "amdgpu_mca.h" 106 #include "amdgpu_aca.h" 107 #include "amdgpu_ras.h" 108 #include "amdgpu_cper.h" 109 #include "amdgpu_xcp.h" 110 #include "amdgpu_seq64.h" 111 #include "amdgpu_reg_state.h" 112 #include "amdgpu_userq.h" 113 #include "amdgpu_eviction_fence.h" 114 #include "amdgpu_ip.h" 115 #if defined(CONFIG_DRM_AMD_ISP) 116 #include "amdgpu_isp.h" 117 #endif 118 119 #define MAX_GPU_INSTANCE 64 120 121 #define GFX_SLICE_PERIOD_MS 250 122 123 struct amdgpu_gpu_instance { 124 struct amdgpu_device *adev; 125 int mgpu_fan_enabled; 126 }; 127 128 struct amdgpu_mgpu_info { 129 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE]; 130 struct mutex mutex; 131 uint32_t num_gpu; 132 uint32_t num_dgpu; 133 uint32_t num_apu; 134 }; 135 136 enum amdgpu_ss { 137 AMDGPU_SS_DRV_LOAD, 138 AMDGPU_SS_DEV_D0, 139 AMDGPU_SS_DEV_D3, 140 AMDGPU_SS_DRV_UNLOAD 141 }; 142 143 struct amdgpu_hwip_reg_entry { 144 u32 hwip; 145 u32 inst; 146 u32 seg; 147 u32 reg_offset; 148 const char *reg_name; 149 }; 150 151 struct amdgpu_watchdog_timer { 152 bool timeout_fatal_disable; 153 uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */ 154 }; 155 156 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH 256 157 158 /* 159 * Modules parameters. 160 */ 161 extern int amdgpu_modeset; 162 extern unsigned int amdgpu_vram_limit; 163 extern int amdgpu_vis_vram_limit; 164 extern int amdgpu_gart_size; 165 extern int amdgpu_gtt_size; 166 extern int amdgpu_moverate; 167 extern int amdgpu_audio; 168 extern int amdgpu_disp_priority; 169 extern int amdgpu_hw_i2c; 170 extern int amdgpu_pcie_gen2; 171 extern int amdgpu_msi; 172 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH]; 173 extern int amdgpu_dpm; 174 extern int amdgpu_fw_load_type; 175 extern int amdgpu_aspm; 176 extern int amdgpu_runtime_pm; 177 extern uint amdgpu_ip_block_mask; 178 extern int amdgpu_bapm; 179 extern int amdgpu_deep_color; 180 extern int amdgpu_vm_size; 181 extern int amdgpu_vm_block_size; 182 extern int amdgpu_vm_fragment_size; 183 extern int amdgpu_vm_fault_stop; 184 extern int amdgpu_vm_debug; 185 extern int amdgpu_vm_update_mode; 186 extern int amdgpu_exp_hw_support; 187 extern int amdgpu_dc; 188 extern int amdgpu_sched_jobs; 189 extern int amdgpu_sched_hw_submission; 190 extern uint amdgpu_pcie_gen_cap; 191 extern uint amdgpu_pcie_lane_cap; 192 extern u64 amdgpu_cg_mask; 193 extern uint amdgpu_pg_mask; 194 extern uint amdgpu_sdma_phase_quantum; 195 extern char *amdgpu_disable_cu; 196 extern char *amdgpu_virtual_display; 197 extern uint amdgpu_pp_feature_mask; 198 extern uint amdgpu_force_long_training; 199 extern int amdgpu_lbpw; 200 extern int amdgpu_compute_multipipe; 201 extern int amdgpu_gpu_recovery; 202 extern int amdgpu_emu_mode; 203 extern uint amdgpu_smu_memory_pool_size; 204 extern int amdgpu_smu_pptable_id; 205 extern uint amdgpu_dc_feature_mask; 206 extern uint amdgpu_freesync_vid_mode; 207 extern uint amdgpu_dc_debug_mask; 208 extern uint amdgpu_dc_visual_confirm; 209 extern int amdgpu_dm_abm_level; 210 extern int amdgpu_backlight; 211 extern int amdgpu_damage_clips; 212 extern struct amdgpu_mgpu_info mgpu_info; 213 extern int amdgpu_ras_enable; 214 extern uint amdgpu_ras_mask; 215 extern int amdgpu_bad_page_threshold; 216 extern bool amdgpu_ignore_bad_page_threshold; 217 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer; 218 extern int amdgpu_async_gfx_ring; 219 extern int amdgpu_mcbp; 220 extern int amdgpu_discovery; 221 extern int amdgpu_mes_log_enable; 222 extern int amdgpu_uni_mes; 223 extern int amdgpu_noretry; 224 extern int amdgpu_force_asic_type; 225 extern int amdgpu_smartshift_bias; 226 extern int amdgpu_use_xgmi_p2p; 227 extern int amdgpu_mtype_local; 228 extern int amdgpu_enforce_isolation; 229 #ifdef CONFIG_HSA_AMD 230 extern int sched_policy; 231 extern bool debug_evictions; 232 extern bool no_system_mem_limit; 233 extern int halt_if_hws_hang; 234 extern uint amdgpu_svm_default_granularity; 235 #else 236 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS; 237 static const bool __maybe_unused debug_evictions; /* = false */ 238 static const bool __maybe_unused no_system_mem_limit; 239 static const int __maybe_unused halt_if_hws_hang; 240 #endif 241 #ifdef CONFIG_HSA_AMD_P2P 242 extern bool pcie_p2p; 243 #endif 244 245 extern int amdgpu_tmz; 246 extern int amdgpu_reset_method; 247 248 #ifdef CONFIG_DRM_AMDGPU_SI 249 extern int amdgpu_si_support; 250 #endif 251 #ifdef CONFIG_DRM_AMDGPU_CIK 252 extern int amdgpu_cik_support; 253 #endif 254 extern int amdgpu_num_kcq; 255 256 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024) 257 #define AMDGPU_UMSCHFW_LOG_SIZE (32 * 1024) 258 extern int amdgpu_vcnfw_log; 259 extern int amdgpu_sg_display; 260 extern int amdgpu_umsch_mm; 261 extern int amdgpu_seamless; 262 extern int amdgpu_umsch_mm_fwlog; 263 264 extern int amdgpu_user_partt_mode; 265 extern int amdgpu_agp; 266 extern int amdgpu_rebar; 267 268 extern int amdgpu_wbrf; 269 extern int amdgpu_user_queue; 270 271 extern uint amdgpu_hdmi_hpd_debounce_delay_ms; 272 273 #define AMDGPU_VM_MAX_NUM_CTX 4096 274 #define AMDGPU_SG_THRESHOLD (256*1024*1024) 275 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 276 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ 277 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2) 278 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32 279 #define AMDGPUFB_CONN_LIMIT 4 280 #define AMDGPU_BIOS_NUM_SCRATCH 16 281 282 #define AMDGPU_VBIOS_VGA_ALLOCATION (9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */ 283 284 /* hard reset data */ 285 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b 286 287 /* reset flags */ 288 #define AMDGPU_RESET_GFX (1 << 0) 289 #define AMDGPU_RESET_COMPUTE (1 << 1) 290 #define AMDGPU_RESET_DMA (1 << 2) 291 #define AMDGPU_RESET_CP (1 << 3) 292 #define AMDGPU_RESET_GRBM (1 << 4) 293 #define AMDGPU_RESET_DMA1 (1 << 5) 294 #define AMDGPU_RESET_RLC (1 << 6) 295 #define AMDGPU_RESET_SEM (1 << 7) 296 #define AMDGPU_RESET_IH (1 << 8) 297 #define AMDGPU_RESET_VMC (1 << 9) 298 #define AMDGPU_RESET_MC (1 << 10) 299 #define AMDGPU_RESET_DISPLAY (1 << 11) 300 #define AMDGPU_RESET_UVD (1 << 12) 301 #define AMDGPU_RESET_VCE (1 << 13) 302 #define AMDGPU_RESET_VCE1 (1 << 14) 303 304 /* reset mask */ 305 #define AMDGPU_RESET_TYPE_FULL (1 << 0) /* full adapter reset, mode1/mode2/BACO/etc. */ 306 #define AMDGPU_RESET_TYPE_SOFT_RESET (1 << 1) /* IP level soft reset */ 307 #define AMDGPU_RESET_TYPE_PER_QUEUE (1 << 2) /* per queue */ 308 #define AMDGPU_RESET_TYPE_PER_PIPE (1 << 3) /* per pipe */ 309 310 /* max cursor sizes (in pixels) */ 311 #define CIK_CURSOR_WIDTH 128 312 #define CIK_CURSOR_HEIGHT 128 313 314 /* smart shift bias level limits */ 315 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100) 316 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100) 317 318 /* Extra time delay(in ms) to eliminate the influence of temperature momentary fluctuation */ 319 #define AMDGPU_SWCTF_EXTRA_DELAY 50 320 321 struct amdgpu_xcp_mgr; 322 struct amdgpu_device; 323 struct amdgpu_irq_src; 324 struct amdgpu_fpriv; 325 struct amdgpu_bo_va_mapping; 326 struct kfd_vm_fault_info; 327 struct amdgpu_hive_info; 328 struct amdgpu_reset_context; 329 struct amdgpu_reset_control; 330 331 enum amdgpu_cp_irq { 332 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0, 333 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP, 334 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP, 335 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP, 336 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP, 337 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP, 338 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP, 339 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP, 340 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP, 341 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP, 342 343 AMDGPU_CP_IRQ_LAST 344 }; 345 346 enum amdgpu_thermal_irq { 347 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0, 348 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW, 349 350 AMDGPU_THERMAL_IRQ_LAST 351 }; 352 353 enum amdgpu_kiq_irq { 354 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0, 355 AMDGPU_CP_KIQ_IRQ_LAST 356 }; 357 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */ 358 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */ 359 #define MAX_KIQ_REG_TRY 1000 360 361 /* 362 * BIOS. 363 */ 364 bool amdgpu_get_bios(struct amdgpu_device *adev); 365 bool amdgpu_read_bios(struct amdgpu_device *adev); 366 bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev, 367 u8 *bios, u32 length_bytes); 368 void amdgpu_bios_release(struct amdgpu_device *adev); 369 /* 370 * Clocks 371 */ 372 373 #define AMDGPU_MAX_PPLL 3 374 375 struct amdgpu_clock { 376 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL]; 377 struct amdgpu_pll spll; 378 struct amdgpu_pll mpll; 379 /* 10 Khz units */ 380 uint32_t default_mclk; 381 uint32_t default_sclk; 382 uint32_t default_dispclk; 383 uint32_t dp_extclk; 384 uint32_t max_pixel_clock; 385 }; 386 387 /* sub-allocation manager, it has to be protected by another lock. 388 * By conception this is an helper for other part of the driver 389 * like the indirect buffer or semaphore, which both have their 390 * locking. 391 * 392 * Principe is simple, we keep a list of sub allocation in offset 393 * order (first entry has offset == 0, last entry has the highest 394 * offset). 395 * 396 * When allocating new object we first check if there is room at 397 * the end total_size - (last_object_offset + last_object_size) >= 398 * alloc_size. If so we allocate new object there. 399 * 400 * When there is not enough room at the end, we start waiting for 401 * each sub object until we reach object_offset+object_size >= 402 * alloc_size, this object then become the sub object we return. 403 * 404 * Alignment can't be bigger than page size. 405 * 406 * Hole are not considered for allocation to keep things simple. 407 * Assumption is that there won't be hole (all object on same 408 * alignment). 409 */ 410 411 struct amdgpu_sa_manager { 412 struct drm_suballoc_manager base; 413 struct amdgpu_bo *bo; 414 uint64_t gpu_addr; 415 void *cpu_ptr; 416 }; 417 418 /* 419 * IRQS. 420 */ 421 422 struct amdgpu_flip_work { 423 struct delayed_work flip_work; 424 struct work_struct unpin_work; 425 struct amdgpu_device *adev; 426 int crtc_id; 427 u32 target_vblank; 428 uint64_t base; 429 struct drm_pending_vblank_event *event; 430 struct amdgpu_bo *old_abo; 431 unsigned shared_count; 432 struct dma_fence **shared; 433 struct dma_fence_cb cb; 434 bool async; 435 }; 436 437 /* 438 * file private structure 439 */ 440 441 struct amdgpu_fpriv { 442 struct amdgpu_vm vm; 443 struct amdgpu_bo_va *prt_va; 444 struct amdgpu_bo_va *csa_va; 445 struct amdgpu_bo_va *seq64_va; 446 struct mutex bo_list_lock; 447 struct idr bo_list_handles; 448 struct amdgpu_ctx_mgr ctx_mgr; 449 struct amdgpu_userq_mgr userq_mgr; 450 451 /* Eviction fence infra */ 452 struct amdgpu_eviction_fence_mgr evf_mgr; 453 454 /** GPU partition selection */ 455 uint32_t xcp_id; 456 }; 457 458 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv); 459 460 /* 461 * Writeback 462 */ 463 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */ 464 465 /** 466 * amdgpu_wb - This struct is used for small GPU memory allocation. 467 * 468 * This struct is used to allocate a small amount of GPU memory that can be 469 * used to shadow certain states into the memory. This is especially useful for 470 * providing easy CPU access to some states without requiring register access 471 * (e.g., if some block is power gated, reading register may be problematic). 472 * 473 * Note: the term writeback was initially used because many of the amdgpu 474 * components had some level of writeback memory, and this struct initially 475 * described those components. 476 */ 477 struct amdgpu_wb { 478 479 /** 480 * @wb_obj: 481 * 482 * Buffer Object used for the writeback memory. 483 */ 484 struct amdgpu_bo *wb_obj; 485 486 /** 487 * @wb: 488 * 489 * Pointer to the first writeback slot. In terms of CPU address 490 * this value can be accessed directly by using the offset as an index. 491 * For the GPU address, it is necessary to use gpu_addr and the offset. 492 */ 493 uint32_t *wb; 494 495 /** 496 * @gpu_addr: 497 * 498 * Writeback base address in the GPU. 499 */ 500 uint64_t gpu_addr; 501 502 /** 503 * @num_wb: 504 * 505 * Number of writeback slots reserved for amdgpu. 506 */ 507 u32 num_wb; 508 509 /** 510 * @used: 511 * 512 * Track the writeback slot already used. 513 */ 514 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)]; 515 516 /** 517 * @lock: 518 * 519 * Protects read and write of the used field array. 520 */ 521 spinlock_t lock; 522 }; 523 524 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb); 525 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb); 526 527 /* 528 * Benchmarking 529 */ 530 int amdgpu_benchmark(struct amdgpu_device *adev, int test_number); 531 532 /* 533 * ASIC specific register table accessible by UMD 534 */ 535 struct amdgpu_allowed_register_entry { 536 uint32_t reg_offset; 537 bool grbm_indexed; 538 }; 539 540 /** 541 * enum amd_reset_method - Methods for resetting AMD GPU devices 542 * 543 * @AMD_RESET_METHOD_NONE: The device will not be reset. 544 * @AMD_RESET_LEGACY: Method reserved for SI, CIK and VI ASICs. 545 * @AMD_RESET_MODE0: Reset the entire ASIC. Not currently available for the 546 * any device. 547 * @AMD_RESET_MODE1: Resets all IP blocks on the ASIC (SDMA, GFX, VCN, etc.) 548 * individually. Suitable only for some discrete GPU, not 549 * available for all ASICs. 550 * @AMD_RESET_MODE2: Resets a lesser level of IPs compared to MODE1. Which IPs 551 * are reset depends on the ASIC. Notably doesn't reset IPs 552 * shared with the CPU on APUs or the memory controllers (so 553 * VRAM is not lost). Not available on all ASICs. 554 * @AMD_RESET_LINK: Triggers SW-UP link reset on other GPUs 555 * @AMD_RESET_BACO: BACO (Bus Alive, Chip Off) method powers off and on the card 556 * but without powering off the PCI bus. Suitable only for 557 * discrete GPUs. 558 * @AMD_RESET_PCI: Does a full bus reset using core Linux subsystem PCI reset 559 * and does a secondary bus reset or FLR, depending on what the 560 * underlying hardware supports. 561 * 562 * Methods available for AMD GPU driver for resetting the device. Not all 563 * methods are suitable for every device. User can override the method using 564 * module parameter `reset_method`. 565 */ 566 enum amd_reset_method { 567 AMD_RESET_METHOD_NONE = -1, 568 AMD_RESET_METHOD_LEGACY = 0, 569 AMD_RESET_METHOD_MODE0, 570 AMD_RESET_METHOD_MODE1, 571 AMD_RESET_METHOD_MODE2, 572 AMD_RESET_METHOD_LINK, 573 AMD_RESET_METHOD_BACO, 574 AMD_RESET_METHOD_PCI, 575 AMD_RESET_METHOD_ON_INIT, 576 }; 577 578 struct amdgpu_video_codec_info { 579 u32 codec_type; 580 u32 max_width; 581 u32 max_height; 582 u32 max_pixels_per_frame; 583 u32 max_level; 584 }; 585 586 #define codec_info_build(type, width, height, level) \ 587 .codec_type = type,\ 588 .max_width = width,\ 589 .max_height = height,\ 590 .max_pixels_per_frame = height * width,\ 591 .max_level = level, 592 593 struct amdgpu_video_codecs { 594 const u32 codec_count; 595 const struct amdgpu_video_codec_info *codec_array; 596 }; 597 598 /* 599 * ASIC specific functions. 600 */ 601 struct amdgpu_asic_funcs { 602 bool (*read_disabled_bios)(struct amdgpu_device *adev); 603 bool (*read_bios_from_rom)(struct amdgpu_device *adev, 604 u8 *bios, u32 length_bytes); 605 int (*read_register)(struct amdgpu_device *adev, u32 se_num, 606 u32 sh_num, u32 reg_offset, u32 *value); 607 void (*set_vga_state)(struct amdgpu_device *adev, bool state); 608 int (*reset)(struct amdgpu_device *adev); 609 enum amd_reset_method (*reset_method)(struct amdgpu_device *adev); 610 /* get the reference clock */ 611 u32 (*get_xclk)(struct amdgpu_device *adev); 612 /* MM block clocks */ 613 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk); 614 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk); 615 /* static power management */ 616 int (*get_pcie_lanes)(struct amdgpu_device *adev); 617 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes); 618 /* get config memsize register */ 619 u32 (*get_config_memsize)(struct amdgpu_device *adev); 620 /* flush hdp write queue */ 621 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring); 622 /* invalidate hdp read cache */ 623 void (*invalidate_hdp)(struct amdgpu_device *adev, 624 struct amdgpu_ring *ring); 625 /* check if the asic needs a full reset of if soft reset will work */ 626 bool (*need_full_reset)(struct amdgpu_device *adev); 627 /* initialize doorbell layout for specific asic*/ 628 void (*init_doorbell_index)(struct amdgpu_device *adev); 629 /* PCIe bandwidth usage */ 630 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0, 631 uint64_t *count1); 632 /* do we need to reset the asic at init time (e.g., kexec) */ 633 bool (*need_reset_on_init)(struct amdgpu_device *adev); 634 /* PCIe replay counter */ 635 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev); 636 /* device supports BACO */ 637 int (*supports_baco)(struct amdgpu_device *adev); 638 /* pre asic_init quirks */ 639 void (*pre_asic_init)(struct amdgpu_device *adev); 640 /* enter/exit umd stable pstate */ 641 int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter); 642 /* query video codecs */ 643 int (*query_video_codecs)(struct amdgpu_device *adev, bool encode, 644 const struct amdgpu_video_codecs **codecs); 645 /* encode "> 32bits" smn addressing */ 646 u64 (*encode_ext_smn_addressing)(int ext_id); 647 648 ssize_t (*get_reg_state)(struct amdgpu_device *adev, 649 enum amdgpu_reg_state reg_state, void *buf, 650 size_t max_size); 651 }; 652 653 /* 654 * IOCTL. 655 */ 656 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, 657 struct drm_file *filp); 658 659 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 660 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data, 661 struct drm_file *filp); 662 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 663 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data, 664 struct drm_file *filp); 665 666 /* VRAM scratch page for HDP bug, default vram page */ 667 struct amdgpu_mem_scratch { 668 struct amdgpu_bo *robj; 669 uint32_t *ptr; 670 u64 gpu_addr; 671 }; 672 673 /* 674 * CGS 675 */ 676 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev); 677 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device); 678 679 /* 680 * Core structure, functions and helpers. 681 */ 682 struct amdgpu_mmio_remap { 683 u32 reg_offset; 684 resource_size_t bus_addr; 685 struct amdgpu_bo *bo; 686 }; 687 688 enum amdgpu_uid_type { 689 AMDGPU_UID_TYPE_XCD, 690 AMDGPU_UID_TYPE_AID, 691 AMDGPU_UID_TYPE_SOC, 692 AMDGPU_UID_TYPE_MAX 693 }; 694 695 #define AMDGPU_UID_INST_MAX 8 /* max number of instances for each UID type */ 696 697 struct amdgpu_uid { 698 uint64_t uid[AMDGPU_UID_TYPE_MAX][AMDGPU_UID_INST_MAX]; 699 struct amdgpu_device *adev; 700 }; 701 702 #define MAX_UMA_OPTION_NAME 28 703 #define MAX_UMA_OPTION_ENTRIES 19 704 705 #define AMDGPU_UMA_FLAG_AUTO BIT(1) 706 #define AMDGPU_UMA_FLAG_CUSTOM BIT(0) 707 708 /** 709 * struct amdgpu_uma_carveout_option - single UMA carveout option 710 * @name: Name of the carveout option 711 * @memory_carved_mb: Amount of memory carved in MB 712 * @flags: ATCS flags supported by this option 713 */ 714 struct amdgpu_uma_carveout_option { 715 char name[MAX_UMA_OPTION_NAME]; 716 uint32_t memory_carved_mb; 717 uint8_t flags; 718 }; 719 720 /** 721 * struct amdgpu_uma_carveout_info - table of available UMA carveout options 722 * @num_entries: Number of available options 723 * @uma_option_index: The index of the option currently applied 724 * @update_lock: Lock to serialize changes to the option 725 * @entries: The array of carveout options 726 */ 727 struct amdgpu_uma_carveout_info { 728 uint8_t num_entries; 729 uint8_t uma_option_index; 730 struct mutex update_lock; 731 struct amdgpu_uma_carveout_option entries[MAX_UMA_OPTION_ENTRIES]; 732 }; 733 734 struct amd_powerplay { 735 void *pp_handle; 736 const struct amd_pm_funcs *pp_funcs; 737 }; 738 739 /* polaris10 kickers */ 740 #define ASICID_IS_P20(did, rid) (((did == 0x67DF) && \ 741 ((rid == 0xE3) || \ 742 (rid == 0xE4) || \ 743 (rid == 0xE5) || \ 744 (rid == 0xE7) || \ 745 (rid == 0xEF))) || \ 746 ((did == 0x6FDF) && \ 747 ((rid == 0xE7) || \ 748 (rid == 0xEF) || \ 749 (rid == 0xFF)))) 750 751 #define ASICID_IS_P30(did, rid) ((did == 0x67DF) && \ 752 ((rid == 0xE1) || \ 753 (rid == 0xF7))) 754 755 /* polaris11 kickers */ 756 #define ASICID_IS_P21(did, rid) (((did == 0x67EF) && \ 757 ((rid == 0xE0) || \ 758 (rid == 0xE5))) || \ 759 ((did == 0x67FF) && \ 760 ((rid == 0xCF) || \ 761 (rid == 0xEF) || \ 762 (rid == 0xFF)))) 763 764 #define ASICID_IS_P31(did, rid) ((did == 0x67EF) && \ 765 ((rid == 0xE2))) 766 767 /* polaris12 kickers */ 768 #define ASICID_IS_P23(did, rid) (((did == 0x6987) && \ 769 ((rid == 0xC0) || \ 770 (rid == 0xC1) || \ 771 (rid == 0xC3) || \ 772 (rid == 0xC7))) || \ 773 ((did == 0x6981) && \ 774 ((rid == 0x00) || \ 775 (rid == 0x01) || \ 776 (rid == 0x10)))) 777 778 enum amdgpu_mqd_update_flag { 779 AMDGPU_UPDATE_FLAG_DBG_WA_ENABLE = 1, 780 AMDGPU_UPDATE_FLAG_DBG_WA_DISABLE = 2, 781 AMDGPU_UPDATE_FLAG_IS_GWS = 4, /* quirk for gfx9 IP */ 782 }; 783 784 struct amdgpu_mqd_prop { 785 uint64_t mqd_gpu_addr; 786 uint64_t hqd_base_gpu_addr; 787 uint64_t rptr_gpu_addr; 788 uint64_t wptr_gpu_addr; 789 uint32_t queue_size; 790 bool use_doorbell; 791 uint32_t doorbell_index; 792 uint64_t eop_gpu_addr; 793 uint32_t hqd_pipe_priority; 794 uint32_t hqd_queue_priority; 795 uint32_t mqd_stride_size; 796 bool allow_tunneling; 797 bool hqd_active; 798 uint64_t shadow_addr; 799 uint64_t gds_bkup_addr; 800 uint64_t csa_addr; 801 uint64_t fence_address; 802 bool tmz_queue; 803 bool kernel_queue; 804 uint32_t *cu_mask; 805 uint32_t cu_mask_count; 806 uint32_t cu_flags; 807 bool is_user_cu_masked; 808 }; 809 810 struct amdgpu_mqd { 811 unsigned mqd_size; 812 int (*init_mqd)(struct amdgpu_device *adev, void *mqd, 813 struct amdgpu_mqd_prop *p); 814 }; 815 816 struct amdgpu_pcie_reset_ctx { 817 bool in_link_reset; 818 bool occurs_dpc; 819 bool audio_suspended; 820 struct pci_dev *swus; 821 struct pci_saved_state *swus_pcistate; 822 struct pci_saved_state *swds_pcistate; 823 }; 824 825 /* 826 * Custom Init levels could be defined for different situations where a full 827 * initialization of all hardware blocks are not expected. Sample cases are 828 * custom init sequences after resume after S0i3/S3, reset on initialization, 829 * partial reset of blocks etc. Presently, this defines only two levels. Levels 830 * are described in corresponding struct definitions - amdgpu_init_default, 831 * amdgpu_init_minimal_xgmi. 832 */ 833 enum amdgpu_init_lvl_id { 834 AMDGPU_INIT_LEVEL_DEFAULT, 835 AMDGPU_INIT_LEVEL_MINIMAL_XGMI, 836 AMDGPU_INIT_LEVEL_RESET_RECOVERY, 837 }; 838 839 struct amdgpu_init_level { 840 enum amdgpu_init_lvl_id level; 841 uint32_t hwini_ip_block_mask; 842 }; 843 844 #define AMDGPU_RESET_MAGIC_NUM 64 845 #define AMDGPU_MAX_DF_PERFMONS 4 846 struct amdgpu_reset_domain; 847 struct amdgpu_fru_info; 848 849 enum amdgpu_enforce_isolation_mode { 850 AMDGPU_ENFORCE_ISOLATION_DISABLE = 0, 851 AMDGPU_ENFORCE_ISOLATION_ENABLE = 1, 852 AMDGPU_ENFORCE_ISOLATION_ENABLE_LEGACY = 2, 853 AMDGPU_ENFORCE_ISOLATION_NO_CLEANER_SHADER = 3, 854 }; 855 856 struct amdgpu_device { 857 struct device *dev; 858 struct pci_dev *pdev; 859 struct drm_device ddev; 860 861 #ifdef CONFIG_DRM_AMD_ACP 862 struct amdgpu_acp acp; 863 #endif 864 struct amdgpu_hive_info *hive; 865 struct amdgpu_xcp_mgr *xcp_mgr; 866 /* ASIC */ 867 enum amd_asic_type asic_type; 868 uint32_t family; 869 uint32_t rev_id; 870 uint32_t external_rev_id; 871 unsigned long flags; 872 unsigned long apu_flags; 873 int usec_timeout; 874 const struct amdgpu_asic_funcs *asic_funcs; 875 bool shutdown; 876 bool need_swiotlb; 877 bool accel_working; 878 struct notifier_block acpi_nb; 879 struct notifier_block pm_nb; 880 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS]; 881 struct debugfs_blob_wrapper debugfs_vbios_blob; 882 struct mutex srbm_mutex; 883 /* GRBM index mutex. Protects concurrent access to GRBM index */ 884 struct mutex grbm_idx_mutex; 885 struct dev_pm_domain vga_pm_domain; 886 bool have_disp_power_ref; 887 bool have_atomics_support; 888 889 /* BIOS */ 890 bool is_atom_fw; 891 uint8_t *bios; 892 uint32_t bios_size; 893 uint32_t bios_scratch_reg_offset; 894 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH]; 895 896 /* Register/doorbell mmio */ 897 resource_size_t rmmio_base; 898 resource_size_t rmmio_size; 899 void __iomem *rmmio; 900 /* protects concurrent MM_INDEX/DATA based register access */ 901 spinlock_t mmio_idx_lock; 902 struct amdgpu_mmio_remap rmmio_remap; 903 /* protects concurrent SMC based register access */ 904 spinlock_t smc_idx_lock; 905 amdgpu_rreg_t smc_rreg; 906 amdgpu_wreg_t smc_wreg; 907 /* protects concurrent PCIE register access */ 908 spinlock_t pcie_idx_lock; 909 amdgpu_rreg_t pcie_rreg; 910 amdgpu_wreg_t pcie_wreg; 911 amdgpu_rreg_t pciep_rreg; 912 amdgpu_wreg_t pciep_wreg; 913 amdgpu_rreg_ext_t pcie_rreg_ext; 914 amdgpu_wreg_ext_t pcie_wreg_ext; 915 amdgpu_rreg64_t pcie_rreg64; 916 amdgpu_wreg64_t pcie_wreg64; 917 amdgpu_rreg64_ext_t pcie_rreg64_ext; 918 amdgpu_wreg64_ext_t pcie_wreg64_ext; 919 /* protects concurrent UVD register access */ 920 spinlock_t uvd_ctx_idx_lock; 921 amdgpu_rreg_t uvd_ctx_rreg; 922 amdgpu_wreg_t uvd_ctx_wreg; 923 /* protects concurrent DIDT register access */ 924 spinlock_t didt_idx_lock; 925 amdgpu_rreg_t didt_rreg; 926 amdgpu_wreg_t didt_wreg; 927 /* protects concurrent gc_cac register access */ 928 spinlock_t gc_cac_idx_lock; 929 amdgpu_rreg_t gc_cac_rreg; 930 amdgpu_wreg_t gc_cac_wreg; 931 /* protects concurrent se_cac register access */ 932 spinlock_t se_cac_idx_lock; 933 amdgpu_rreg_t se_cac_rreg; 934 amdgpu_wreg_t se_cac_wreg; 935 /* protects concurrent ENDPOINT (audio) register access */ 936 spinlock_t audio_endpt_idx_lock; 937 amdgpu_block_rreg_t audio_endpt_rreg; 938 amdgpu_block_wreg_t audio_endpt_wreg; 939 struct amdgpu_doorbell doorbell; 940 941 /* clock/pll info */ 942 struct amdgpu_clock clock; 943 944 /* MC */ 945 struct amdgpu_gmc gmc; 946 struct amdgpu_gart gart; 947 dma_addr_t dummy_page_addr; 948 struct amdgpu_vm_manager vm_manager; 949 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS]; 950 DECLARE_BITMAP(vmhubs_mask, AMDGPU_MAX_VMHUBS); 951 952 /* memory management */ 953 struct amdgpu_mman mman; 954 struct amdgpu_mem_scratch mem_scratch; 955 struct amdgpu_wb wb; 956 atomic64_t num_bytes_moved; 957 atomic64_t num_evictions; 958 atomic64_t num_vram_cpu_page_faults; 959 atomic_t gpu_reset_counter; 960 atomic_t vram_lost_counter; 961 962 /* data for buffer migration throttling */ 963 struct { 964 spinlock_t lock; 965 s64 last_update_us; 966 s64 accum_us; /* accumulated microseconds */ 967 s64 accum_us_vis; /* for visible VRAM */ 968 u32 log2_max_MBps; 969 } mm_stats; 970 971 /* discovery*/ 972 struct amdgpu_discovery_info discovery; 973 974 /* display */ 975 bool enable_virtual_display; 976 struct amdgpu_vkms_output *amdgpu_vkms_output; 977 struct amdgpu_mode_info mode_info; 978 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */ 979 struct delayed_work hotplug_work; 980 struct amdgpu_irq_src crtc_irq; 981 struct amdgpu_irq_src vline0_irq; 982 struct amdgpu_irq_src vupdate_irq; 983 struct amdgpu_irq_src pageflip_irq; 984 struct amdgpu_irq_src hpd_irq; 985 struct amdgpu_irq_src dmub_trace_irq; 986 struct amdgpu_irq_src dmub_outbox_irq; 987 988 /* rings */ 989 u64 fence_context; 990 unsigned num_rings; 991 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS]; 992 struct dma_fence __rcu *gang_submit; 993 bool ib_pool_ready; 994 struct amdgpu_sa_manager ib_pools[AMDGPU_IB_POOL_MAX]; 995 struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX]; 996 997 /* interrupts */ 998 struct amdgpu_irq irq; 999 1000 /* powerplay */ 1001 struct amd_powerplay powerplay; 1002 struct amdgpu_pm pm; 1003 u64 cg_flags; 1004 u32 pg_flags; 1005 1006 /* nbio */ 1007 struct amdgpu_nbio nbio; 1008 1009 /* hdp */ 1010 struct amdgpu_hdp hdp; 1011 1012 /* smuio */ 1013 struct amdgpu_smuio smuio; 1014 1015 /* mmhub */ 1016 struct amdgpu_mmhub mmhub; 1017 1018 /* gfxhub */ 1019 struct amdgpu_gfxhub gfxhub; 1020 1021 /* gfx */ 1022 struct amdgpu_gfx gfx; 1023 1024 /* sdma */ 1025 struct amdgpu_sdma sdma; 1026 1027 /* lsdma */ 1028 struct amdgpu_lsdma lsdma; 1029 1030 /* uvd */ 1031 struct amdgpu_uvd uvd; 1032 1033 /* vce */ 1034 struct amdgpu_vce vce; 1035 1036 /* vcn */ 1037 struct amdgpu_vcn vcn; 1038 1039 /* jpeg */ 1040 struct amdgpu_jpeg jpeg; 1041 1042 /* vpe */ 1043 struct amdgpu_vpe vpe; 1044 1045 /* umsch */ 1046 struct amdgpu_umsch_mm umsch_mm; 1047 bool enable_umsch_mm; 1048 1049 /* firmwares */ 1050 struct amdgpu_firmware firmware; 1051 1052 /* PSP */ 1053 struct psp_context psp; 1054 1055 /* GDS */ 1056 struct amdgpu_gds gds; 1057 1058 /* for userq and VM fences */ 1059 struct amdgpu_seq64 seq64; 1060 1061 /* UMC */ 1062 struct amdgpu_umc umc; 1063 1064 /* display related functionality */ 1065 struct amdgpu_display_manager dm; 1066 1067 #if defined(CONFIG_DRM_AMD_ISP) 1068 /* isp */ 1069 struct amdgpu_isp isp; 1070 #endif 1071 1072 /* mes */ 1073 bool enable_mes; 1074 bool enable_mes_kiq; 1075 bool enable_uni_mes; 1076 struct amdgpu_mes mes; 1077 struct amdgpu_mqd mqds[AMDGPU_HW_IP_NUM]; 1078 const struct amdgpu_userq_funcs *userq_funcs[AMDGPU_HW_IP_NUM]; 1079 1080 /* xarray used to retrieve the user queue fence driver reference 1081 * in the EOP interrupt handler to signal the particular user 1082 * queue fence. 1083 */ 1084 struct xarray userq_xa; 1085 /** 1086 * @userq_doorbell_xa: Global user queue map (doorbell index → queue) 1087 * Key: doorbell_index (unique global identifier for the queue) 1088 * Value: struct amdgpu_usermode_queue 1089 */ 1090 struct xarray userq_doorbell_xa; 1091 1092 /* df */ 1093 struct amdgpu_df df; 1094 1095 /* MCA */ 1096 struct amdgpu_mca mca; 1097 1098 /* ACA */ 1099 struct amdgpu_aca aca; 1100 1101 /* CPER */ 1102 struct amdgpu_cper cper; 1103 1104 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM]; 1105 uint32_t harvest_ip_mask; 1106 int num_ip_blocks; 1107 struct mutex mn_lock; 1108 DECLARE_HASHTABLE(mn_hash, 7); 1109 1110 /* tracking pinned memory */ 1111 atomic64_t vram_pin_size; 1112 atomic64_t visible_pin_size; 1113 atomic64_t gart_pin_size; 1114 1115 /* soc15 register offset based on ip, instance and segment */ 1116 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE]; 1117 struct amdgpu_ip_map_info ip_map; 1118 1119 /* delayed work_func for deferring clockgating during resume */ 1120 struct delayed_work delayed_init_work; 1121 1122 struct amdgpu_virt virt; 1123 1124 /* record hw reset is performed */ 1125 bool has_hw_reset; 1126 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM]; 1127 1128 /* s3/s4 mask */ 1129 bool in_suspend; 1130 bool in_s3; 1131 bool in_s4; 1132 bool in_s0ix; 1133 suspend_state_t last_suspend_state; 1134 1135 enum pp_mp1_state mp1_state; 1136 struct amdgpu_doorbell_index doorbell_index; 1137 1138 struct mutex notifier_lock; 1139 1140 int asic_reset_res; 1141 struct work_struct xgmi_reset_work; 1142 struct list_head reset_list; 1143 1144 long gfx_timeout; 1145 long sdma_timeout; 1146 long video_timeout; 1147 long compute_timeout; 1148 long psp_timeout; 1149 1150 uint64_t unique_id; 1151 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS]; 1152 1153 /* enable runtime pm on the device */ 1154 bool in_runpm; 1155 bool has_pr3; 1156 1157 bool ucode_sysfs_en; 1158 1159 struct amdgpu_fru_info *fru_info; 1160 atomic_t throttling_logging_enabled; 1161 struct ratelimit_state throttling_logging_rs; 1162 uint32_t ras_hw_enabled; 1163 uint32_t ras_enabled; 1164 bool ras_default_ecc_enabled; 1165 1166 bool no_hw_access; 1167 struct pci_saved_state *pci_state; 1168 pci_channel_state_t pci_channel_state; 1169 1170 struct amdgpu_pcie_reset_ctx pcie_reset_ctx; 1171 1172 /* Track auto wait count on s_barrier settings */ 1173 bool barrier_has_auto_waitcnt; 1174 1175 struct amdgpu_reset_control *reset_cntl; 1176 uint32_t ip_versions[MAX_HWIP][HWIP_MAX_INSTANCE]; 1177 1178 bool ram_is_direct_mapped; 1179 1180 struct list_head ras_list; 1181 1182 struct amdgpu_reset_domain *reset_domain; 1183 1184 struct mutex benchmark_mutex; 1185 1186 bool scpm_enabled; 1187 uint32_t scpm_status; 1188 1189 struct work_struct reset_work; 1190 1191 bool dc_enabled; 1192 /* Mask of active clusters */ 1193 uint32_t aid_mask; 1194 1195 /* Debug */ 1196 bool debug_vm; 1197 bool debug_largebar; 1198 bool debug_disable_soft_recovery; 1199 bool debug_use_vram_fw_buf; 1200 bool debug_enable_ras_aca; 1201 bool debug_exp_resets; 1202 bool debug_disable_gpu_ring_reset; 1203 bool debug_vm_userptr; 1204 bool debug_disable_ce_logs; 1205 bool debug_enable_ce_cs; 1206 1207 /* Protection for the following isolation structure */ 1208 struct mutex enforce_isolation_mutex; 1209 enum amdgpu_enforce_isolation_mode enforce_isolation[MAX_XCP]; 1210 struct amdgpu_isolation { 1211 void *owner; 1212 struct dma_fence *spearhead; 1213 struct amdgpu_sync active; 1214 struct amdgpu_sync prev; 1215 } isolation[MAX_XCP]; 1216 1217 struct amdgpu_init_level *init_lvl; 1218 1219 /* This flag is used to determine how VRAM allocations are handled for APUs 1220 * in KFD: VRAM or GTT. 1221 */ 1222 bool apu_prefer_gtt; 1223 1224 bool userq_halt_for_enforce_isolation; 1225 struct work_struct userq_reset_work; 1226 struct amdgpu_uid *uid_info; 1227 1228 struct amdgpu_uma_carveout_info uma_info; 1229 1230 /* KFD 1231 * Must be last --ends in a flexible-array member. 1232 */ 1233 struct amdgpu_kfd_dev kfd; 1234 }; 1235 1236 /* 1237 * MES FW uses address(mqd_addr + sizeof(struct mqd) + 3*sizeof(uint32_t)) 1238 * as fence address and writes a 32 bit fence value to this address. 1239 * Driver needs to allocate at least 4 DWs extra memory in addition to 1240 * sizeof(struct mqd). Add 8 DWs and align to AMDGPU_GPU_PAGE_SIZE for safety. 1241 */ 1242 #define AMDGPU_MQD_SIZE_ALIGN(mqd_size) AMDGPU_GPU_PAGE_ALIGN(((mqd_size) + 32)) 1243 1244 static inline uint32_t amdgpu_ip_version(const struct amdgpu_device *adev, 1245 uint8_t ip, uint8_t inst) 1246 { 1247 /* This considers only major/minor/rev and ignores 1248 * subrevision/variant fields. 1249 */ 1250 return adev->ip_versions[ip][inst] & ~0xFFU; 1251 } 1252 1253 static inline uint32_t amdgpu_ip_version_full(const struct amdgpu_device *adev, 1254 uint8_t ip, uint8_t inst) 1255 { 1256 /* This returns full version - major/minor/rev/variant/subrevision */ 1257 return adev->ip_versions[ip][inst]; 1258 } 1259 1260 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev) 1261 { 1262 return container_of(ddev, struct amdgpu_device, ddev); 1263 } 1264 1265 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev) 1266 { 1267 return &adev->ddev; 1268 } 1269 1270 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev) 1271 { 1272 return container_of(bdev, struct amdgpu_device, mman.bdev); 1273 } 1274 1275 static inline bool amdgpu_is_multi_aid(struct amdgpu_device *adev) 1276 { 1277 return !!adev->aid_mask; 1278 } 1279 1280 int amdgpu_device_init(struct amdgpu_device *adev, 1281 uint32_t flags); 1282 void amdgpu_device_fini_hw(struct amdgpu_device *adev); 1283 void amdgpu_device_fini_sw(struct amdgpu_device *adev); 1284 1285 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev); 1286 1287 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos, 1288 void *buf, size_t size, bool write); 1289 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos, 1290 void *buf, size_t size, bool write); 1291 1292 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, 1293 void *buf, size_t size, bool write); 1294 u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev); 1295 bool amdgpu_device_asic_has_dc_support(struct pci_dev *pdev, 1296 enum amd_asic_type asic_type); 1297 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev); 1298 1299 void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev); 1300 1301 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, 1302 struct amdgpu_reset_context *reset_context); 1303 1304 int amdgpu_do_asic_reset(struct list_head *device_list_handle, 1305 struct amdgpu_reset_context *reset_context); 1306 1307 int amdgpu_device_reinit_after_reset(struct amdgpu_reset_context *reset_context); 1308 1309 int emu_soc_asic_init(struct amdgpu_device *adev); 1310 1311 /* 1312 * Registers read & write functions. 1313 */ 1314 #define AMDGPU_REGS_NO_KIQ (1<<1) 1315 #define AMDGPU_REGS_RLC (1<<2) 1316 1317 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ) 1318 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ) 1319 1320 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg), 0) 1321 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v), 0) 1322 1323 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg)) 1324 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v)) 1325 1326 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0) 1327 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0)) 1328 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0) 1329 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK) 1330 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK) 1331 #define RREG32_XCC(reg, inst) amdgpu_device_xcc_rreg(adev, (reg), 0, inst) 1332 #define WREG32_XCC(reg, v, inst) amdgpu_device_xcc_wreg(adev, (reg), (v), 0, inst) 1333 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg)) 1334 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v)) 1335 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg)) 1336 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v)) 1337 #define RREG32_PCIE_EXT(reg) adev->pcie_rreg_ext(adev, (reg)) 1338 #define WREG32_PCIE_EXT(reg, v) adev->pcie_wreg_ext(adev, (reg), (v)) 1339 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg)) 1340 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v)) 1341 #define RREG64_PCIE_EXT(reg) adev->pcie_rreg64_ext(adev, (reg)) 1342 #define WREG64_PCIE_EXT(reg, v) adev->pcie_wreg64_ext(adev, (reg), (v)) 1343 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg)) 1344 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v)) 1345 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg)) 1346 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v)) 1347 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg)) 1348 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v)) 1349 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg)) 1350 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v)) 1351 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg)) 1352 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v)) 1353 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg)) 1354 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v)) 1355 #define WREG32_P(reg, val, mask) \ 1356 do { \ 1357 uint32_t tmp_ = RREG32(reg); \ 1358 tmp_ &= (mask); \ 1359 tmp_ |= ((val) & ~(mask)); \ 1360 WREG32(reg, tmp_); \ 1361 } while (0) 1362 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and) 1363 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or)) 1364 #define WREG32_PLL_P(reg, val, mask) \ 1365 do { \ 1366 uint32_t tmp_ = RREG32_PLL(reg); \ 1367 tmp_ &= (mask); \ 1368 tmp_ |= ((val) & ~(mask)); \ 1369 WREG32_PLL(reg, tmp_); \ 1370 } while (0) 1371 1372 #define WREG32_SMC_P(_Reg, _Val, _Mask) \ 1373 do { \ 1374 u32 tmp = RREG32_SMC(_Reg); \ 1375 tmp &= (_Mask); \ 1376 tmp |= ((_Val) & ~(_Mask)); \ 1377 WREG32_SMC(_Reg, tmp); \ 1378 } while (0) 1379 1380 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false)) 1381 1382 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT 1383 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK 1384 1385 #define REG_SET_FIELD(orig_val, reg, field, field_val) \ 1386 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \ 1387 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field)))) 1388 1389 #define REG_GET_FIELD(value, reg, field) \ 1390 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field)) 1391 1392 #define WREG32_FIELD(reg, field, val) \ 1393 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) 1394 1395 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \ 1396 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) 1397 1398 #define AMDGPU_GET_REG_FIELD(x, h, l) (((x) & GENMASK_ULL(h, l)) >> (l)) 1399 /* 1400 * BIOS helpers. 1401 */ 1402 #define RBIOS8(i) (adev->bios[i]) 1403 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8)) 1404 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16)) 1405 1406 /* 1407 * ASICs macro. 1408 */ 1409 #define amdgpu_asic_set_vga_state(adev, state) \ 1410 ((adev)->asic_funcs->set_vga_state ? (adev)->asic_funcs->set_vga_state((adev), (state)) : 0) 1411 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev)) 1412 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev)) 1413 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev)) 1414 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d)) 1415 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec)) 1416 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev)) 1417 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l)) 1418 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev)) 1419 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev)) 1420 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l)) 1421 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v))) 1422 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev)) 1423 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev)) 1424 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev)) 1425 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1))) 1426 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev)) 1427 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev))) 1428 #define amdgpu_asic_supports_baco(adev) \ 1429 ((adev)->asic_funcs->supports_baco ? (adev)->asic_funcs->supports_baco((adev)) : 0) 1430 #define amdgpu_asic_pre_asic_init(adev) \ 1431 { \ 1432 if ((adev)->asic_funcs && (adev)->asic_funcs->pre_asic_init) \ 1433 (adev)->asic_funcs->pre_asic_init((adev)); \ 1434 } 1435 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \ 1436 ((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0) 1437 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c)) 1438 1439 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter)) 1440 1441 #define BIT_MASK_UPPER(i) ((i) >= BITS_PER_LONG ? 0 : ~0UL << (i)) 1442 #define for_each_inst(i, inst_mask) \ 1443 for (i = ffs(inst_mask); i-- != 0; \ 1444 i = ffs(inst_mask & BIT_MASK_UPPER(i + 1))) 1445 1446 /* Common functions */ 1447 bool amdgpu_device_has_job_running(struct amdgpu_device *adev); 1448 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev); 1449 int amdgpu_device_gpu_recover(struct amdgpu_device *adev, 1450 struct amdgpu_job *job, 1451 struct amdgpu_reset_context *reset_context); 1452 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev); 1453 int amdgpu_device_pci_reset(struct amdgpu_device *adev); 1454 bool amdgpu_device_need_post(struct amdgpu_device *adev); 1455 bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev); 1456 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev); 1457 1458 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes, 1459 u64 num_vis_bytes); 1460 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev); 1461 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, 1462 const u32 *registers, 1463 const u32 array_size); 1464 1465 int amdgpu_device_mode1_reset(struct amdgpu_device *adev); 1466 int amdgpu_device_link_reset(struct amdgpu_device *adev); 1467 bool amdgpu_device_supports_atpx(struct amdgpu_device *adev); 1468 bool amdgpu_device_supports_px(struct amdgpu_device *adev); 1469 bool amdgpu_device_supports_boco(struct amdgpu_device *adev); 1470 bool amdgpu_device_supports_smart_shift(struct amdgpu_device *adev); 1471 int amdgpu_device_supports_baco(struct amdgpu_device *adev); 1472 void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev); 1473 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev, 1474 struct amdgpu_device *peer_adev); 1475 int amdgpu_device_baco_enter(struct amdgpu_device *adev); 1476 int amdgpu_device_baco_exit(struct amdgpu_device *adev); 1477 1478 void amdgpu_device_flush_hdp(struct amdgpu_device *adev, 1479 struct amdgpu_ring *ring); 1480 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, 1481 struct amdgpu_ring *ring); 1482 1483 void amdgpu_device_halt(struct amdgpu_device *adev); 1484 struct dma_fence *amdgpu_device_get_gang(struct amdgpu_device *adev); 1485 struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev, 1486 struct dma_fence *gang); 1487 struct dma_fence *amdgpu_device_enforce_isolation(struct amdgpu_device *adev, 1488 struct amdgpu_ring *ring, 1489 struct amdgpu_job *job); 1490 bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev); 1491 ssize_t amdgpu_get_soft_full_reset_mask(struct amdgpu_ring *ring); 1492 ssize_t amdgpu_show_reset_mask(char *buf, uint32_t supported_reset); 1493 void amdgpu_sdma_set_vm_pte_scheds(struct amdgpu_device *adev, 1494 const struct amdgpu_vm_pte_funcs *vm_pte_funcs); 1495 1496 /* atpx handler */ 1497 #if defined(CONFIG_VGA_SWITCHEROO) 1498 void amdgpu_register_atpx_handler(void); 1499 void amdgpu_unregister_atpx_handler(void); 1500 bool amdgpu_has_atpx_dgpu_power_cntl(void); 1501 bool amdgpu_is_atpx_hybrid(void); 1502 bool amdgpu_has_atpx(void); 1503 #else 1504 static inline void amdgpu_register_atpx_handler(void) {} 1505 static inline void amdgpu_unregister_atpx_handler(void) {} 1506 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } 1507 static inline bool amdgpu_is_atpx_hybrid(void) { return false; } 1508 static inline bool amdgpu_has_atpx(void) { return false; } 1509 #endif 1510 1511 /* 1512 * KMS 1513 */ 1514 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[]; 1515 extern const int amdgpu_max_kms_ioctl; 1516 1517 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags); 1518 void amdgpu_driver_unload_kms(struct drm_device *dev); 1519 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 1520 void amdgpu_driver_postclose_kms(struct drm_device *dev, 1521 struct drm_file *file_priv); 1522 void amdgpu_driver_release_kms(struct drm_device *dev); 1523 1524 int amdgpu_device_prepare(struct drm_device *dev); 1525 void amdgpu_device_complete(struct drm_device *dev); 1526 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon); 1527 int amdgpu_device_resume(struct drm_device *dev, bool fbcon); 1528 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc); 1529 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc); 1530 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc); 1531 int amdgpu_info_ioctl(struct drm_device *dev, void *data, 1532 struct drm_file *filp); 1533 1534 /* 1535 * functions used by amdgpu_encoder.c 1536 */ 1537 struct amdgpu_afmt_acr { 1538 u32 clock; 1539 1540 int n_32khz; 1541 int cts_32khz; 1542 1543 int n_44_1khz; 1544 int cts_44_1khz; 1545 1546 int n_48khz; 1547 int cts_48khz; 1548 1549 }; 1550 1551 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock); 1552 1553 /* amdgpu_acpi.c */ 1554 1555 struct amdgpu_numa_info { 1556 uint64_t size; 1557 int pxm; 1558 int nid; 1559 }; 1560 1561 /* ATCS Device/Driver State */ 1562 #define AMDGPU_ATCS_PSC_DEV_STATE_D0 0 1563 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT 3 1564 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR 0 1565 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR 1 1566 1567 #if defined(CONFIG_ACPI) 1568 int amdgpu_acpi_init(struct amdgpu_device *adev); 1569 void amdgpu_acpi_fini(struct amdgpu_device *adev); 1570 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev); 1571 bool amdgpu_acpi_is_power_shift_control_supported(void); 1572 bool amdgpu_acpi_is_set_uma_allocation_size_supported(void); 1573 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev, 1574 u8 perf_req, bool advertise); 1575 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, 1576 u8 dev_state, bool drv_state); 1577 int amdgpu_acpi_smart_shift_update(struct amdgpu_device *adev, 1578 enum amdgpu_ss ss_state); 1579 int amdgpu_acpi_set_uma_allocation_size(struct amdgpu_device *adev, u8 index, u8 type); 1580 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev); 1581 int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset, 1582 u64 *tmr_size); 1583 int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id, 1584 struct amdgpu_numa_info *numa_info); 1585 1586 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps); 1587 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev); 1588 void amdgpu_acpi_detect(void); 1589 void amdgpu_acpi_release(void); 1590 #else 1591 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; } 1592 static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, 1593 u64 *tmr_offset, u64 *tmr_size) 1594 { 1595 return -EINVAL; 1596 } 1597 static inline int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, 1598 int xcc_id, 1599 struct amdgpu_numa_info *numa_info) 1600 { 1601 return -EINVAL; 1602 } 1603 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { } 1604 static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; } 1605 static inline void amdgpu_acpi_detect(void) { } 1606 static inline void amdgpu_acpi_release(void) { } 1607 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; } 1608 static inline bool amdgpu_acpi_is_set_uma_allocation_size_supported(void) { return false; } 1609 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, 1610 u8 dev_state, bool drv_state) { return 0; } 1611 static inline int amdgpu_acpi_smart_shift_update(struct amdgpu_device *adev, 1612 enum amdgpu_ss ss_state) 1613 { 1614 return 0; 1615 } 1616 static inline int amdgpu_acpi_set_uma_allocation_size(struct amdgpu_device *adev, u8 index, u8 type) 1617 { 1618 return -EINVAL; 1619 } 1620 static inline void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps) { } 1621 #endif 1622 1623 #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND) 1624 bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev); 1625 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev); 1626 #else 1627 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; } 1628 static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; } 1629 #endif 1630 1631 #if defined(CONFIG_DRM_AMD_ISP) 1632 int amdgpu_acpi_get_isp4_dev(struct acpi_device **dev); 1633 #endif 1634 1635 void amdgpu_register_gpu_instance(struct amdgpu_device *adev); 1636 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev); 1637 1638 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, 1639 pci_channel_state_t state); 1640 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev); 1641 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev); 1642 void amdgpu_pci_resume(struct pci_dev *pdev); 1643 1644 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev); 1645 bool amdgpu_device_load_pci_state(struct pci_dev *pdev); 1646 1647 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev); 1648 1649 int amdgpu_device_set_cg_state(struct amdgpu_device *adev, 1650 enum amd_clockgating_state state); 1651 int amdgpu_device_set_pg_state(struct amdgpu_device *adev, 1652 enum amd_powergating_state state); 1653 1654 static inline bool amdgpu_device_has_timeouts_enabled(struct amdgpu_device *adev) 1655 { 1656 return amdgpu_gpu_recovery != 0 && 1657 adev->gfx_timeout != MAX_SCHEDULE_TIMEOUT && 1658 adev->compute_timeout != MAX_SCHEDULE_TIMEOUT && 1659 adev->sdma_timeout != MAX_SCHEDULE_TIMEOUT && 1660 adev->video_timeout != MAX_SCHEDULE_TIMEOUT; 1661 } 1662 1663 #include "amdgpu_object.h" 1664 1665 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev) 1666 { 1667 return adev->gmc.tmz_enabled; 1668 } 1669 1670 int amdgpu_in_reset(struct amdgpu_device *adev); 1671 1672 extern const struct attribute_group amdgpu_vram_mgr_attr_group; 1673 extern const struct attribute_group amdgpu_gtt_mgr_attr_group; 1674 extern const struct attribute_group amdgpu_flash_attr_group; 1675 1676 void amdgpu_set_init_level(struct amdgpu_device *adev, 1677 enum amdgpu_init_lvl_id lvl); 1678 1679 static inline int amdgpu_device_bus_status_check(struct amdgpu_device *adev) 1680 { 1681 u32 status; 1682 int r; 1683 1684 r = pci_read_config_dword(adev->pdev, PCI_COMMAND, &status); 1685 if (r || PCI_POSSIBLE_ERROR(status)) { 1686 dev_err(adev->dev, "device lost from bus!"); 1687 return -ENODEV; 1688 } 1689 1690 return 0; 1691 } 1692 1693 void amdgpu_device_set_uid(struct amdgpu_uid *uid_info, 1694 enum amdgpu_uid_type type, uint8_t inst, 1695 uint64_t uid); 1696 uint64_t amdgpu_device_get_uid(struct amdgpu_uid *uid_info, 1697 enum amdgpu_uid_type type, uint8_t inst); 1698 #endif 1699