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 #ifdef dev_fmt
38 #undef dev_fmt
39 #endif
40
41 #define dev_fmt(fmt) "amdgpu: " fmt
42
43 #include "amdgpu_ctx.h"
44
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53
54 #include <drm/ttm/ttm_bo.h>
55 #include <drm/ttm/ttm_placement.h>
56
57 #include <drm/amdgpu_drm.h>
58 #include <drm/drm_gem.h>
59 #include <drm/drm_ioctl.h>
60
61 #include <kgd_kfd_interface.h>
62 #include "dm_pp_interface.h"
63 #include "kgd_pp_interface.h"
64
65 #include "amd_shared.h"
66 #include "amdgpu_mode.h"
67 #include "amdgpu_ih.h"
68 #include "amdgpu_irq.h"
69 #include "amdgpu_ucode.h"
70 #include "amdgpu_ttm.h"
71 #include "amdgpu_psp.h"
72 #include "amdgpu_gds.h"
73 #include "amdgpu_sync.h"
74 #include "amdgpu_ring.h"
75 #include "amdgpu_vm.h"
76 #include "amdgpu_dpm.h"
77 #include "amdgpu_acp.h"
78 #include "amdgpu_uvd.h"
79 #include "amdgpu_vce.h"
80 #include "amdgpu_vcn.h"
81 #include "amdgpu_jpeg.h"
82 #include "amdgpu_vpe.h"
83 #include "amdgpu_umsch_mm.h"
84 #include "amdgpu_gmc.h"
85 #include "amdgpu_gfx.h"
86 #include "amdgpu_sdma.h"
87 #include "amdgpu_lsdma.h"
88 #include "amdgpu_nbio.h"
89 #include "amdgpu_hdp.h"
90 #include "amdgpu_dm.h"
91 #include "amdgpu_virt.h"
92 #include "amdgpu_csa.h"
93 #include "amdgpu_mes_ctx.h"
94 #include "amdgpu_gart.h"
95 #include "amdgpu_debugfs.h"
96 #include "amdgpu_job.h"
97 #include "amdgpu_bo_list.h"
98 #include "amdgpu_gem.h"
99 #include "amdgpu_doorbell.h"
100 #include "amdgpu_amdkfd.h"
101 #include "amdgpu_discovery.h"
102 #include "amdgpu_mes.h"
103 #include "amdgpu_umc.h"
104 #include "amdgpu_mmhub.h"
105 #include "amdgpu_gfxhub.h"
106 #include "amdgpu_df.h"
107 #include "amdgpu_smuio.h"
108 #include "amdgpu_fdinfo.h"
109 #include "amdgpu_mca.h"
110 #include "amdgpu_aca.h"
111 #include "amdgpu_ras.h"
112 #include "amdgpu_cper.h"
113 #include "amdgpu_xcp.h"
114 #include "amdgpu_seq64.h"
115 #include "amdgpu_reg_state.h"
116 #include "amdgpu_userq.h"
117 #include "amdgpu_eviction_fence.h"
118 #if defined(CONFIG_DRM_AMD_ISP)
119 #include "amdgpu_isp.h"
120 #endif
121
122 #define MAX_GPU_INSTANCE 64
123
124 #define GFX_SLICE_PERIOD_MS 250
125
126 struct amdgpu_gpu_instance {
127 struct amdgpu_device *adev;
128 int mgpu_fan_enabled;
129 };
130
131 struct amdgpu_mgpu_info {
132 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
133 struct mutex mutex;
134 uint32_t num_gpu;
135 uint32_t num_dgpu;
136 uint32_t num_apu;
137 };
138
139 enum amdgpu_ss {
140 AMDGPU_SS_DRV_LOAD,
141 AMDGPU_SS_DEV_D0,
142 AMDGPU_SS_DEV_D3,
143 AMDGPU_SS_DRV_UNLOAD
144 };
145
146 struct amdgpu_hwip_reg_entry {
147 u32 hwip;
148 u32 inst;
149 u32 seg;
150 u32 reg_offset;
151 const char *reg_name;
152 };
153
154 struct amdgpu_watchdog_timer {
155 bool timeout_fatal_disable;
156 uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
157 };
158
159 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH 256
160
161 /*
162 * Modules parameters.
163 */
164 extern int amdgpu_modeset;
165 extern unsigned int amdgpu_vram_limit;
166 extern int amdgpu_vis_vram_limit;
167 extern int amdgpu_gart_size;
168 extern int amdgpu_gtt_size;
169 extern int amdgpu_moverate;
170 extern int amdgpu_audio;
171 extern int amdgpu_disp_priority;
172 extern int amdgpu_hw_i2c;
173 extern int amdgpu_pcie_gen2;
174 extern int amdgpu_msi;
175 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
176 extern int amdgpu_dpm;
177 extern int amdgpu_fw_load_type;
178 extern int amdgpu_aspm;
179 extern int amdgpu_runtime_pm;
180 extern uint amdgpu_ip_block_mask;
181 extern int amdgpu_bapm;
182 extern int amdgpu_deep_color;
183 extern int amdgpu_vm_size;
184 extern int amdgpu_vm_block_size;
185 extern int amdgpu_vm_fragment_size;
186 extern int amdgpu_vm_fault_stop;
187 extern int amdgpu_vm_debug;
188 extern int amdgpu_vm_update_mode;
189 extern int amdgpu_exp_hw_support;
190 extern int amdgpu_dc;
191 extern int amdgpu_sched_jobs;
192 extern int amdgpu_sched_hw_submission;
193 extern uint amdgpu_pcie_gen_cap;
194 extern uint amdgpu_pcie_lane_cap;
195 extern u64 amdgpu_cg_mask;
196 extern uint amdgpu_pg_mask;
197 extern uint amdgpu_sdma_phase_quantum;
198 extern char *amdgpu_disable_cu;
199 extern char *amdgpu_virtual_display;
200 extern uint amdgpu_pp_feature_mask;
201 extern uint amdgpu_force_long_training;
202 extern int amdgpu_lbpw;
203 extern int amdgpu_compute_multipipe;
204 extern int amdgpu_gpu_recovery;
205 extern int amdgpu_emu_mode;
206 extern uint amdgpu_smu_memory_pool_size;
207 extern int amdgpu_smu_pptable_id;
208 extern uint amdgpu_dc_feature_mask;
209 extern uint amdgpu_freesync_vid_mode;
210 extern uint amdgpu_dc_debug_mask;
211 extern uint amdgpu_dc_visual_confirm;
212 extern int amdgpu_dm_abm_level;
213 extern int amdgpu_backlight;
214 extern int amdgpu_damage_clips;
215 extern struct amdgpu_mgpu_info mgpu_info;
216 extern int amdgpu_ras_enable;
217 extern uint amdgpu_ras_mask;
218 extern int amdgpu_bad_page_threshold;
219 extern bool amdgpu_ignore_bad_page_threshold;
220 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
221 extern int amdgpu_async_gfx_ring;
222 extern int amdgpu_mcbp;
223 extern int amdgpu_discovery;
224 extern int amdgpu_mes;
225 extern int amdgpu_mes_log_enable;
226 extern int amdgpu_mes_kiq;
227 extern int amdgpu_uni_mes;
228 extern int amdgpu_noretry;
229 extern int amdgpu_force_asic_type;
230 extern int amdgpu_smartshift_bias;
231 extern int amdgpu_use_xgmi_p2p;
232 extern int amdgpu_mtype_local;
233 extern int amdgpu_enforce_isolation;
234 #ifdef CONFIG_HSA_AMD
235 extern int sched_policy;
236 extern bool debug_evictions;
237 extern bool no_system_mem_limit;
238 extern int halt_if_hws_hang;
239 extern uint amdgpu_svm_default_granularity;
240 #else
241 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
242 static const bool __maybe_unused debug_evictions; /* = false */
243 static const bool __maybe_unused no_system_mem_limit;
244 static const int __maybe_unused halt_if_hws_hang;
245 #endif
246 #ifdef CONFIG_HSA_AMD_P2P
247 extern bool pcie_p2p;
248 #endif
249
250 extern int amdgpu_tmz;
251 extern int amdgpu_reset_method;
252
253 #ifdef CONFIG_DRM_AMDGPU_SI
254 extern int amdgpu_si_support;
255 #endif
256 #ifdef CONFIG_DRM_AMDGPU_CIK
257 extern int amdgpu_cik_support;
258 #endif
259 extern int amdgpu_num_kcq;
260
261 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024)
262 #define AMDGPU_UMSCHFW_LOG_SIZE (32 * 1024)
263 extern int amdgpu_vcnfw_log;
264 extern int amdgpu_sg_display;
265 extern int amdgpu_umsch_mm;
266 extern int amdgpu_seamless;
267 extern int amdgpu_umsch_mm_fwlog;
268
269 extern int amdgpu_user_partt_mode;
270 extern int amdgpu_agp;
271 extern int amdgpu_rebar;
272
273 extern int amdgpu_wbrf;
274 extern int amdgpu_user_queue;
275
276 #define AMDGPU_VM_MAX_NUM_CTX 4096
277 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
278 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
279 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
280 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
281 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
282 #define AMDGPUFB_CONN_LIMIT 4
283 #define AMDGPU_BIOS_NUM_SCRATCH 16
284
285 #define AMDGPU_VBIOS_VGA_ALLOCATION (9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
286
287 /* hard reset data */
288 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
289
290 /* reset flags */
291 #define AMDGPU_RESET_GFX (1 << 0)
292 #define AMDGPU_RESET_COMPUTE (1 << 1)
293 #define AMDGPU_RESET_DMA (1 << 2)
294 #define AMDGPU_RESET_CP (1 << 3)
295 #define AMDGPU_RESET_GRBM (1 << 4)
296 #define AMDGPU_RESET_DMA1 (1 << 5)
297 #define AMDGPU_RESET_RLC (1 << 6)
298 #define AMDGPU_RESET_SEM (1 << 7)
299 #define AMDGPU_RESET_IH (1 << 8)
300 #define AMDGPU_RESET_VMC (1 << 9)
301 #define AMDGPU_RESET_MC (1 << 10)
302 #define AMDGPU_RESET_DISPLAY (1 << 11)
303 #define AMDGPU_RESET_UVD (1 << 12)
304 #define AMDGPU_RESET_VCE (1 << 13)
305 #define AMDGPU_RESET_VCE1 (1 << 14)
306
307 /* reset mask */
308 #define AMDGPU_RESET_TYPE_FULL (1 << 0) /* full adapter reset, mode1/mode2/BACO/etc. */
309 #define AMDGPU_RESET_TYPE_SOFT_RESET (1 << 1) /* IP level soft reset */
310 #define AMDGPU_RESET_TYPE_PER_QUEUE (1 << 2) /* per queue */
311 #define AMDGPU_RESET_TYPE_PER_PIPE (1 << 3) /* per pipe */
312
313 /* max cursor sizes (in pixels) */
314 #define CIK_CURSOR_WIDTH 128
315 #define CIK_CURSOR_HEIGHT 128
316
317 /* smart shift bias level limits */
318 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
319 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
320
321 /* Extra time delay(in ms) to eliminate the influence of temperature momentary fluctuation */
322 #define AMDGPU_SWCTF_EXTRA_DELAY 50
323
324 struct amdgpu_xcp_mgr;
325 struct amdgpu_device;
326 struct amdgpu_irq_src;
327 struct amdgpu_fpriv;
328 struct amdgpu_bo_va_mapping;
329 struct kfd_vm_fault_info;
330 struct amdgpu_hive_info;
331 struct amdgpu_reset_context;
332 struct amdgpu_reset_control;
333
334 enum amdgpu_cp_irq {
335 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
336 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
337 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
338 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
339 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
340 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
341 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
342 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
343 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
344 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
345
346 AMDGPU_CP_IRQ_LAST
347 };
348
349 enum amdgpu_thermal_irq {
350 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
351 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
352
353 AMDGPU_THERMAL_IRQ_LAST
354 };
355
356 enum amdgpu_kiq_irq {
357 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
358 AMDGPU_CP_KIQ_IRQ_LAST
359 };
360 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
361 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
362 #define MAX_KIQ_REG_TRY 1000
363
364 int amdgpu_device_ip_set_clockgating_state(void *dev,
365 enum amd_ip_block_type block_type,
366 enum amd_clockgating_state state);
367 int amdgpu_device_ip_set_powergating_state(void *dev,
368 enum amd_ip_block_type block_type,
369 enum amd_powergating_state state);
370 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
371 u64 *flags);
372 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
373 enum amd_ip_block_type block_type);
374 bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev,
375 enum amd_ip_block_type block_type);
376 int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block);
377
378 int amdgpu_ip_block_resume(struct amdgpu_ip_block *ip_block);
379
380 #define AMDGPU_MAX_IP_NUM 16
381
382 struct amdgpu_ip_block_status {
383 bool valid;
384 bool sw;
385 bool hw;
386 bool late_initialized;
387 bool hang;
388 };
389
390 struct amdgpu_ip_block_version {
391 const enum amd_ip_block_type type;
392 const u32 major;
393 const u32 minor;
394 const u32 rev;
395 const struct amd_ip_funcs *funcs;
396 };
397
398 struct amdgpu_ip_block {
399 struct amdgpu_ip_block_status status;
400 const struct amdgpu_ip_block_version *version;
401 struct amdgpu_device *adev;
402 };
403
404 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
405 enum amd_ip_block_type type,
406 u32 major, u32 minor);
407
408 struct amdgpu_ip_block *
409 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
410 enum amd_ip_block_type type);
411
412 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
413 const struct amdgpu_ip_block_version *ip_block_version);
414
415 /*
416 * BIOS.
417 */
418 bool amdgpu_get_bios(struct amdgpu_device *adev);
419 bool amdgpu_read_bios(struct amdgpu_device *adev);
420 bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev,
421 u8 *bios, u32 length_bytes);
422 void amdgpu_bios_release(struct amdgpu_device *adev);
423 /*
424 * Clocks
425 */
426
427 #define AMDGPU_MAX_PPLL 3
428
429 struct amdgpu_clock {
430 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
431 struct amdgpu_pll spll;
432 struct amdgpu_pll mpll;
433 /* 10 Khz units */
434 uint32_t default_mclk;
435 uint32_t default_sclk;
436 uint32_t default_dispclk;
437 uint32_t current_dispclk;
438 uint32_t dp_extclk;
439 uint32_t max_pixel_clock;
440 };
441
442 /* sub-allocation manager, it has to be protected by another lock.
443 * By conception this is an helper for other part of the driver
444 * like the indirect buffer or semaphore, which both have their
445 * locking.
446 *
447 * Principe is simple, we keep a list of sub allocation in offset
448 * order (first entry has offset == 0, last entry has the highest
449 * offset).
450 *
451 * When allocating new object we first check if there is room at
452 * the end total_size - (last_object_offset + last_object_size) >=
453 * alloc_size. If so we allocate new object there.
454 *
455 * When there is not enough room at the end, we start waiting for
456 * each sub object until we reach object_offset+object_size >=
457 * alloc_size, this object then become the sub object we return.
458 *
459 * Alignment can't be bigger than page size.
460 *
461 * Hole are not considered for allocation to keep things simple.
462 * Assumption is that there won't be hole (all object on same
463 * alignment).
464 */
465
466 struct amdgpu_sa_manager {
467 struct drm_suballoc_manager base;
468 struct amdgpu_bo *bo;
469 uint64_t gpu_addr;
470 void *cpu_ptr;
471 };
472
473 /*
474 * IRQS.
475 */
476
477 struct amdgpu_flip_work {
478 struct delayed_work flip_work;
479 struct work_struct unpin_work;
480 struct amdgpu_device *adev;
481 int crtc_id;
482 u32 target_vblank;
483 uint64_t base;
484 struct drm_pending_vblank_event *event;
485 struct amdgpu_bo *old_abo;
486 unsigned shared_count;
487 struct dma_fence **shared;
488 struct dma_fence_cb cb;
489 bool async;
490 };
491
492 /*
493 * file private structure
494 */
495
496 struct amdgpu_fpriv {
497 struct amdgpu_vm vm;
498 struct amdgpu_bo_va *prt_va;
499 struct amdgpu_bo_va *csa_va;
500 struct amdgpu_bo_va *seq64_va;
501 struct mutex bo_list_lock;
502 struct idr bo_list_handles;
503 struct amdgpu_ctx_mgr ctx_mgr;
504 struct amdgpu_userq_mgr userq_mgr;
505
506 /* Eviction fence infra */
507 struct amdgpu_eviction_fence_mgr evf_mgr;
508
509 /** GPU partition selection */
510 uint32_t xcp_id;
511 };
512
513 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
514
515 /*
516 * Writeback
517 */
518 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
519
520 /**
521 * amdgpu_wb - This struct is used for small GPU memory allocation.
522 *
523 * This struct is used to allocate a small amount of GPU memory that can be
524 * used to shadow certain states into the memory. This is especially useful for
525 * providing easy CPU access to some states without requiring register access
526 * (e.g., if some block is power gated, reading register may be problematic).
527 *
528 * Note: the term writeback was initially used because many of the amdgpu
529 * components had some level of writeback memory, and this struct initially
530 * described those components.
531 */
532 struct amdgpu_wb {
533
534 /**
535 * @wb_obj:
536 *
537 * Buffer Object used for the writeback memory.
538 */
539 struct amdgpu_bo *wb_obj;
540
541 /**
542 * @wb:
543 *
544 * Pointer to the first writeback slot. In terms of CPU address
545 * this value can be accessed directly by using the offset as an index.
546 * For the GPU address, it is necessary to use gpu_addr and the offset.
547 */
548 volatile uint32_t *wb;
549
550 /**
551 * @gpu_addr:
552 *
553 * Writeback base address in the GPU.
554 */
555 uint64_t gpu_addr;
556
557 /**
558 * @num_wb:
559 *
560 * Number of writeback slots reserved for amdgpu.
561 */
562 u32 num_wb;
563
564 /**
565 * @used:
566 *
567 * Track the writeback slot already used.
568 */
569 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
570
571 /**
572 * @lock:
573 *
574 * Protects read and write of the used field array.
575 */
576 spinlock_t lock;
577 };
578
579 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
580 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
581
582 /*
583 * Benchmarking
584 */
585 int amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
586
587 /*
588 * ASIC specific register table accessible by UMD
589 */
590 struct amdgpu_allowed_register_entry {
591 uint32_t reg_offset;
592 bool grbm_indexed;
593 };
594
595 /**
596 * enum amd_reset_method - Methods for resetting AMD GPU devices
597 *
598 * @AMD_RESET_METHOD_NONE: The device will not be reset.
599 * @AMD_RESET_LEGACY: Method reserved for SI, CIK and VI ASICs.
600 * @AMD_RESET_MODE0: Reset the entire ASIC. Not currently available for the
601 * any device.
602 * @AMD_RESET_MODE1: Resets all IP blocks on the ASIC (SDMA, GFX, VCN, etc.)
603 * individually. Suitable only for some discrete GPU, not
604 * available for all ASICs.
605 * @AMD_RESET_MODE2: Resets a lesser level of IPs compared to MODE1. Which IPs
606 * are reset depends on the ASIC. Notably doesn't reset IPs
607 * shared with the CPU on APUs or the memory controllers (so
608 * VRAM is not lost). Not available on all ASICs.
609 * @AMD_RESET_LINK: Triggers SW-UP link reset on other GPUs
610 * @AMD_RESET_BACO: BACO (Bus Alive, Chip Off) method powers off and on the card
611 * but without powering off the PCI bus. Suitable only for
612 * discrete GPUs.
613 * @AMD_RESET_PCI: Does a full bus reset using core Linux subsystem PCI reset
614 * and does a secondary bus reset or FLR, depending on what the
615 * underlying hardware supports.
616 *
617 * Methods available for AMD GPU driver for resetting the device. Not all
618 * methods are suitable for every device. User can override the method using
619 * module parameter `reset_method`.
620 */
621 enum amd_reset_method {
622 AMD_RESET_METHOD_NONE = -1,
623 AMD_RESET_METHOD_LEGACY = 0,
624 AMD_RESET_METHOD_MODE0,
625 AMD_RESET_METHOD_MODE1,
626 AMD_RESET_METHOD_MODE2,
627 AMD_RESET_METHOD_LINK,
628 AMD_RESET_METHOD_BACO,
629 AMD_RESET_METHOD_PCI,
630 AMD_RESET_METHOD_ON_INIT,
631 };
632
633 struct amdgpu_video_codec_info {
634 u32 codec_type;
635 u32 max_width;
636 u32 max_height;
637 u32 max_pixels_per_frame;
638 u32 max_level;
639 };
640
641 #define codec_info_build(type, width, height, level) \
642 .codec_type = type,\
643 .max_width = width,\
644 .max_height = height,\
645 .max_pixels_per_frame = height * width,\
646 .max_level = level,
647
648 struct amdgpu_video_codecs {
649 const u32 codec_count;
650 const struct amdgpu_video_codec_info *codec_array;
651 };
652
653 /*
654 * ASIC specific functions.
655 */
656 struct amdgpu_asic_funcs {
657 bool (*read_disabled_bios)(struct amdgpu_device *adev);
658 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
659 u8 *bios, u32 length_bytes);
660 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
661 u32 sh_num, u32 reg_offset, u32 *value);
662 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
663 int (*reset)(struct amdgpu_device *adev);
664 enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
665 /* get the reference clock */
666 u32 (*get_xclk)(struct amdgpu_device *adev);
667 /* MM block clocks */
668 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
669 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
670 /* static power management */
671 int (*get_pcie_lanes)(struct amdgpu_device *adev);
672 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
673 /* get config memsize register */
674 u32 (*get_config_memsize)(struct amdgpu_device *adev);
675 /* flush hdp write queue */
676 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
677 /* invalidate hdp read cache */
678 void (*invalidate_hdp)(struct amdgpu_device *adev,
679 struct amdgpu_ring *ring);
680 /* check if the asic needs a full reset of if soft reset will work */
681 bool (*need_full_reset)(struct amdgpu_device *adev);
682 /* initialize doorbell layout for specific asic*/
683 void (*init_doorbell_index)(struct amdgpu_device *adev);
684 /* PCIe bandwidth usage */
685 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
686 uint64_t *count1);
687 /* do we need to reset the asic at init time (e.g., kexec) */
688 bool (*need_reset_on_init)(struct amdgpu_device *adev);
689 /* PCIe replay counter */
690 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
691 /* device supports BACO */
692 int (*supports_baco)(struct amdgpu_device *adev);
693 /* pre asic_init quirks */
694 void (*pre_asic_init)(struct amdgpu_device *adev);
695 /* enter/exit umd stable pstate */
696 int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
697 /* query video codecs */
698 int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
699 const struct amdgpu_video_codecs **codecs);
700 /* encode "> 32bits" smn addressing */
701 u64 (*encode_ext_smn_addressing)(int ext_id);
702
703 ssize_t (*get_reg_state)(struct amdgpu_device *adev,
704 enum amdgpu_reg_state reg_state, void *buf,
705 size_t max_size);
706 };
707
708 /*
709 * IOCTL.
710 */
711 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
712 struct drm_file *filp);
713
714 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
715 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
716 struct drm_file *filp);
717 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
718 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
719 struct drm_file *filp);
720
721 /* VRAM scratch page for HDP bug, default vram page */
722 struct amdgpu_mem_scratch {
723 struct amdgpu_bo *robj;
724 volatile uint32_t *ptr;
725 u64 gpu_addr;
726 };
727
728 /*
729 * CGS
730 */
731 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
732 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
733
734 /*
735 * Core structure, functions and helpers.
736 */
737 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
738 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
739
740 typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device*, uint64_t);
741 typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device*, uint64_t, uint32_t);
742
743 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
744 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
745
746 typedef uint64_t (*amdgpu_rreg64_ext_t)(struct amdgpu_device*, uint64_t);
747 typedef void (*amdgpu_wreg64_ext_t)(struct amdgpu_device*, uint64_t, uint64_t);
748
749 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
750 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
751
752 struct amdgpu_mmio_remap {
753 u32 reg_offset;
754 resource_size_t bus_addr;
755 };
756
757 /* Define the HW IP blocks will be used in driver , add more if necessary */
758 enum amd_hw_ip_block_type {
759 GC_HWIP = 1,
760 HDP_HWIP,
761 SDMA0_HWIP,
762 SDMA1_HWIP,
763 SDMA2_HWIP,
764 SDMA3_HWIP,
765 SDMA4_HWIP,
766 SDMA5_HWIP,
767 SDMA6_HWIP,
768 SDMA7_HWIP,
769 LSDMA_HWIP,
770 MMHUB_HWIP,
771 ATHUB_HWIP,
772 NBIO_HWIP,
773 MP0_HWIP,
774 MP1_HWIP,
775 UVD_HWIP,
776 VCN_HWIP = UVD_HWIP,
777 JPEG_HWIP = VCN_HWIP,
778 VCN1_HWIP,
779 VCE_HWIP,
780 VPE_HWIP,
781 DF_HWIP,
782 DCE_HWIP,
783 OSSSYS_HWIP,
784 SMUIO_HWIP,
785 PWR_HWIP,
786 NBIF_HWIP,
787 THM_HWIP,
788 CLK_HWIP,
789 UMC_HWIP,
790 RSMU_HWIP,
791 XGMI_HWIP,
792 DCI_HWIP,
793 PCIE_HWIP,
794 ISP_HWIP,
795 MAX_HWIP
796 };
797
798 #define HWIP_MAX_INSTANCE 44
799
800 #define HW_ID_MAX 300
801 #define IP_VERSION_FULL(mj, mn, rv, var, srev) \
802 (((mj) << 24) | ((mn) << 16) | ((rv) << 8) | ((var) << 4) | (srev))
803 #define IP_VERSION(mj, mn, rv) IP_VERSION_FULL(mj, mn, rv, 0, 0)
804 #define IP_VERSION_MAJ(ver) ((ver) >> 24)
805 #define IP_VERSION_MIN(ver) (((ver) >> 16) & 0xFF)
806 #define IP_VERSION_REV(ver) (((ver) >> 8) & 0xFF)
807 #define IP_VERSION_VARIANT(ver) (((ver) >> 4) & 0xF)
808 #define IP_VERSION_SUBREV(ver) ((ver) & 0xF)
809 #define IP_VERSION_MAJ_MIN_REV(ver) ((ver) >> 8)
810
811 struct amdgpu_ip_map_info {
812 /* Map of logical to actual dev instances/mask */
813 uint32_t dev_inst[MAX_HWIP][HWIP_MAX_INSTANCE];
814 int8_t (*logical_to_dev_inst)(struct amdgpu_device *adev,
815 enum amd_hw_ip_block_type block,
816 int8_t inst);
817 uint32_t (*logical_to_dev_mask)(struct amdgpu_device *adev,
818 enum amd_hw_ip_block_type block,
819 uint32_t mask);
820 };
821
822 struct amd_powerplay {
823 void *pp_handle;
824 const struct amd_pm_funcs *pp_funcs;
825 };
826
827 struct ip_discovery_top;
828
829 /* polaris10 kickers */
830 #define ASICID_IS_P20(did, rid) (((did == 0x67DF) && \
831 ((rid == 0xE3) || \
832 (rid == 0xE4) || \
833 (rid == 0xE5) || \
834 (rid == 0xE7) || \
835 (rid == 0xEF))) || \
836 ((did == 0x6FDF) && \
837 ((rid == 0xE7) || \
838 (rid == 0xEF) || \
839 (rid == 0xFF))))
840
841 #define ASICID_IS_P30(did, rid) ((did == 0x67DF) && \
842 ((rid == 0xE1) || \
843 (rid == 0xF7)))
844
845 /* polaris11 kickers */
846 #define ASICID_IS_P21(did, rid) (((did == 0x67EF) && \
847 ((rid == 0xE0) || \
848 (rid == 0xE5))) || \
849 ((did == 0x67FF) && \
850 ((rid == 0xCF) || \
851 (rid == 0xEF) || \
852 (rid == 0xFF))))
853
854 #define ASICID_IS_P31(did, rid) ((did == 0x67EF) && \
855 ((rid == 0xE2)))
856
857 /* polaris12 kickers */
858 #define ASICID_IS_P23(did, rid) (((did == 0x6987) && \
859 ((rid == 0xC0) || \
860 (rid == 0xC1) || \
861 (rid == 0xC3) || \
862 (rid == 0xC7))) || \
863 ((did == 0x6981) && \
864 ((rid == 0x00) || \
865 (rid == 0x01) || \
866 (rid == 0x10))))
867
868 struct amdgpu_mqd_prop {
869 uint64_t mqd_gpu_addr;
870 uint64_t hqd_base_gpu_addr;
871 uint64_t rptr_gpu_addr;
872 uint64_t wptr_gpu_addr;
873 uint32_t queue_size;
874 bool use_doorbell;
875 uint32_t doorbell_index;
876 uint64_t eop_gpu_addr;
877 uint32_t hqd_pipe_priority;
878 uint32_t hqd_queue_priority;
879 bool allow_tunneling;
880 bool hqd_active;
881 uint64_t shadow_addr;
882 uint64_t gds_bkup_addr;
883 uint64_t csa_addr;
884 uint64_t fence_address;
885 bool tmz_queue;
886 bool kernel_queue;
887 };
888
889 struct amdgpu_mqd {
890 unsigned mqd_size;
891 int (*init_mqd)(struct amdgpu_device *adev, void *mqd,
892 struct amdgpu_mqd_prop *p);
893 };
894
895 struct amdgpu_pcie_reset_ctx {
896 bool in_link_reset;
897 bool occurs_dpc;
898 bool audio_suspended;
899 };
900
901 /*
902 * Custom Init levels could be defined for different situations where a full
903 * initialization of all hardware blocks are not expected. Sample cases are
904 * custom init sequences after resume after S0i3/S3, reset on initialization,
905 * partial reset of blocks etc. Presently, this defines only two levels. Levels
906 * are described in corresponding struct definitions - amdgpu_init_default,
907 * amdgpu_init_minimal_xgmi.
908 */
909 enum amdgpu_init_lvl_id {
910 AMDGPU_INIT_LEVEL_DEFAULT,
911 AMDGPU_INIT_LEVEL_MINIMAL_XGMI,
912 AMDGPU_INIT_LEVEL_RESET_RECOVERY,
913 };
914
915 struct amdgpu_init_level {
916 enum amdgpu_init_lvl_id level;
917 uint32_t hwini_ip_block_mask;
918 };
919
920 #define AMDGPU_RESET_MAGIC_NUM 64
921 #define AMDGPU_MAX_DF_PERFMONS 4
922 struct amdgpu_reset_domain;
923 struct amdgpu_fru_info;
924
925 enum amdgpu_enforce_isolation_mode {
926 AMDGPU_ENFORCE_ISOLATION_DISABLE = 0,
927 AMDGPU_ENFORCE_ISOLATION_ENABLE = 1,
928 AMDGPU_ENFORCE_ISOLATION_ENABLE_LEGACY = 2,
929 AMDGPU_ENFORCE_ISOLATION_NO_CLEANER_SHADER = 3,
930 };
931
932
933 /*
934 * Non-zero (true) if the GPU has VRAM. Zero (false) otherwise.
935 */
936 #define AMDGPU_HAS_VRAM(_adev) ((_adev)->gmc.real_vram_size)
937
938 struct amdgpu_device {
939 struct device *dev;
940 struct pci_dev *pdev;
941 struct drm_device ddev;
942
943 #ifdef CONFIG_DRM_AMD_ACP
944 struct amdgpu_acp acp;
945 #endif
946 struct amdgpu_hive_info *hive;
947 struct amdgpu_xcp_mgr *xcp_mgr;
948 /* ASIC */
949 enum amd_asic_type asic_type;
950 uint32_t family;
951 uint32_t rev_id;
952 uint32_t external_rev_id;
953 unsigned long flags;
954 unsigned long apu_flags;
955 int usec_timeout;
956 const struct amdgpu_asic_funcs *asic_funcs;
957 bool shutdown;
958 bool need_swiotlb;
959 bool accel_working;
960 struct notifier_block acpi_nb;
961 struct notifier_block pm_nb;
962 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
963 struct debugfs_blob_wrapper debugfs_vbios_blob;
964 struct debugfs_blob_wrapper debugfs_discovery_blob;
965 struct mutex srbm_mutex;
966 /* GRBM index mutex. Protects concurrent access to GRBM index */
967 struct mutex grbm_idx_mutex;
968 struct dev_pm_domain vga_pm_domain;
969 bool have_disp_power_ref;
970 bool have_atomics_support;
971
972 /* BIOS */
973 bool is_atom_fw;
974 uint8_t *bios;
975 uint32_t bios_size;
976 uint32_t bios_scratch_reg_offset;
977 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
978
979 /* Register/doorbell mmio */
980 resource_size_t rmmio_base;
981 resource_size_t rmmio_size;
982 void __iomem *rmmio;
983 /* protects concurrent MM_INDEX/DATA based register access */
984 spinlock_t mmio_idx_lock;
985 struct amdgpu_mmio_remap rmmio_remap;
986 /* protects concurrent SMC based register access */
987 spinlock_t smc_idx_lock;
988 amdgpu_rreg_t smc_rreg;
989 amdgpu_wreg_t smc_wreg;
990 /* protects concurrent PCIE register access */
991 spinlock_t pcie_idx_lock;
992 amdgpu_rreg_t pcie_rreg;
993 amdgpu_wreg_t pcie_wreg;
994 amdgpu_rreg_t pciep_rreg;
995 amdgpu_wreg_t pciep_wreg;
996 amdgpu_rreg_ext_t pcie_rreg_ext;
997 amdgpu_wreg_ext_t pcie_wreg_ext;
998 amdgpu_rreg64_t pcie_rreg64;
999 amdgpu_wreg64_t pcie_wreg64;
1000 amdgpu_rreg64_ext_t pcie_rreg64_ext;
1001 amdgpu_wreg64_ext_t pcie_wreg64_ext;
1002 /* protects concurrent UVD register access */
1003 spinlock_t uvd_ctx_idx_lock;
1004 amdgpu_rreg_t uvd_ctx_rreg;
1005 amdgpu_wreg_t uvd_ctx_wreg;
1006 /* protects concurrent DIDT register access */
1007 spinlock_t didt_idx_lock;
1008 amdgpu_rreg_t didt_rreg;
1009 amdgpu_wreg_t didt_wreg;
1010 /* protects concurrent gc_cac register access */
1011 spinlock_t gc_cac_idx_lock;
1012 amdgpu_rreg_t gc_cac_rreg;
1013 amdgpu_wreg_t gc_cac_wreg;
1014 /* protects concurrent se_cac register access */
1015 spinlock_t se_cac_idx_lock;
1016 amdgpu_rreg_t se_cac_rreg;
1017 amdgpu_wreg_t se_cac_wreg;
1018 /* protects concurrent ENDPOINT (audio) register access */
1019 spinlock_t audio_endpt_idx_lock;
1020 amdgpu_block_rreg_t audio_endpt_rreg;
1021 amdgpu_block_wreg_t audio_endpt_wreg;
1022 struct amdgpu_doorbell doorbell;
1023
1024 /* clock/pll info */
1025 struct amdgpu_clock clock;
1026
1027 /* MC */
1028 struct amdgpu_gmc gmc;
1029 struct amdgpu_gart gart;
1030 dma_addr_t dummy_page_addr;
1031 struct amdgpu_vm_manager vm_manager;
1032 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
1033 DECLARE_BITMAP(vmhubs_mask, AMDGPU_MAX_VMHUBS);
1034
1035 /* memory management */
1036 struct amdgpu_mman mman;
1037 struct amdgpu_mem_scratch mem_scratch;
1038 struct amdgpu_wb wb;
1039 atomic64_t num_bytes_moved;
1040 atomic64_t num_evictions;
1041 atomic64_t num_vram_cpu_page_faults;
1042 atomic_t gpu_reset_counter;
1043 atomic_t vram_lost_counter;
1044
1045 /* data for buffer migration throttling */
1046 struct {
1047 spinlock_t lock;
1048 s64 last_update_us;
1049 s64 accum_us; /* accumulated microseconds */
1050 s64 accum_us_vis; /* for visible VRAM */
1051 u32 log2_max_MBps;
1052 } mm_stats;
1053
1054 /* display */
1055 bool enable_virtual_display;
1056 struct amdgpu_vkms_output *amdgpu_vkms_output;
1057 struct amdgpu_mode_info mode_info;
1058 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
1059 struct delayed_work hotplug_work;
1060 struct amdgpu_irq_src crtc_irq;
1061 struct amdgpu_irq_src vline0_irq;
1062 struct amdgpu_irq_src vupdate_irq;
1063 struct amdgpu_irq_src pageflip_irq;
1064 struct amdgpu_irq_src hpd_irq;
1065 struct amdgpu_irq_src dmub_trace_irq;
1066 struct amdgpu_irq_src dmub_outbox_irq;
1067
1068 /* rings */
1069 u64 fence_context;
1070 unsigned num_rings;
1071 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
1072 struct dma_fence __rcu *gang_submit;
1073 bool ib_pool_ready;
1074 struct amdgpu_sa_manager ib_pools[AMDGPU_IB_POOL_MAX];
1075 struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
1076
1077 /* interrupts */
1078 struct amdgpu_irq irq;
1079
1080 /* powerplay */
1081 struct amd_powerplay powerplay;
1082 struct amdgpu_pm pm;
1083 u64 cg_flags;
1084 u32 pg_flags;
1085
1086 /* nbio */
1087 struct amdgpu_nbio nbio;
1088
1089 /* hdp */
1090 struct amdgpu_hdp hdp;
1091
1092 /* smuio */
1093 struct amdgpu_smuio smuio;
1094
1095 /* mmhub */
1096 struct amdgpu_mmhub mmhub;
1097
1098 /* gfxhub */
1099 struct amdgpu_gfxhub gfxhub;
1100
1101 /* gfx */
1102 struct amdgpu_gfx gfx;
1103
1104 /* sdma */
1105 struct amdgpu_sdma sdma;
1106
1107 /* lsdma */
1108 struct amdgpu_lsdma lsdma;
1109
1110 /* uvd */
1111 struct amdgpu_uvd uvd;
1112
1113 /* vce */
1114 struct amdgpu_vce vce;
1115
1116 /* vcn */
1117 struct amdgpu_vcn vcn;
1118
1119 /* jpeg */
1120 struct amdgpu_jpeg jpeg;
1121
1122 /* vpe */
1123 struct amdgpu_vpe vpe;
1124
1125 /* umsch */
1126 struct amdgpu_umsch_mm umsch_mm;
1127 bool enable_umsch_mm;
1128
1129 /* firmwares */
1130 struct amdgpu_firmware firmware;
1131
1132 /* PSP */
1133 struct psp_context psp;
1134
1135 /* GDS */
1136 struct amdgpu_gds gds;
1137
1138 /* for userq and VM fences */
1139 struct amdgpu_seq64 seq64;
1140
1141 /* KFD */
1142 struct amdgpu_kfd_dev kfd;
1143
1144 /* UMC */
1145 struct amdgpu_umc umc;
1146
1147 /* display related functionality */
1148 struct amdgpu_display_manager dm;
1149
1150 #if defined(CONFIG_DRM_AMD_ISP)
1151 /* isp */
1152 struct amdgpu_isp isp;
1153 #endif
1154
1155 /* mes */
1156 bool enable_mes;
1157 bool enable_mes_kiq;
1158 bool enable_uni_mes;
1159 struct amdgpu_mes mes;
1160 struct amdgpu_mqd mqds[AMDGPU_HW_IP_NUM];
1161 const struct amdgpu_userq_funcs *userq_funcs[AMDGPU_HW_IP_NUM];
1162
1163 /* xarray used to retrieve the user queue fence driver reference
1164 * in the EOP interrupt handler to signal the particular user
1165 * queue fence.
1166 */
1167 struct xarray userq_xa;
1168
1169 /* df */
1170 struct amdgpu_df df;
1171
1172 /* MCA */
1173 struct amdgpu_mca mca;
1174
1175 /* ACA */
1176 struct amdgpu_aca aca;
1177
1178 /* CPER */
1179 struct amdgpu_cper cper;
1180
1181 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
1182 uint32_t harvest_ip_mask;
1183 int num_ip_blocks;
1184 struct mutex mn_lock;
1185 DECLARE_HASHTABLE(mn_hash, 7);
1186
1187 /* tracking pinned memory */
1188 atomic64_t vram_pin_size;
1189 atomic64_t visible_pin_size;
1190 atomic64_t gart_pin_size;
1191
1192 /* soc15 register offset based on ip, instance and segment */
1193 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1194 struct amdgpu_ip_map_info ip_map;
1195
1196 /* delayed work_func for deferring clockgating during resume */
1197 struct delayed_work delayed_init_work;
1198
1199 struct amdgpu_virt virt;
1200
1201 /* record hw reset is performed */
1202 bool has_hw_reset;
1203 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
1204
1205 /* s3/s4 mask */
1206 bool in_suspend;
1207 bool in_s3;
1208 bool in_s4;
1209 bool in_s0ix;
1210 suspend_state_t last_suspend_state;
1211
1212 enum pp_mp1_state mp1_state;
1213 struct amdgpu_doorbell_index doorbell_index;
1214
1215 struct mutex notifier_lock;
1216
1217 int asic_reset_res;
1218 struct work_struct xgmi_reset_work;
1219 struct list_head reset_list;
1220
1221 long gfx_timeout;
1222 long sdma_timeout;
1223 long video_timeout;
1224 long compute_timeout;
1225 long psp_timeout;
1226
1227 uint64_t unique_id;
1228 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1229
1230 /* enable runtime pm on the device */
1231 bool in_runpm;
1232 bool has_pr3;
1233
1234 bool ucode_sysfs_en;
1235
1236 struct amdgpu_fru_info *fru_info;
1237 atomic_t throttling_logging_enabled;
1238 struct ratelimit_state throttling_logging_rs;
1239 uint32_t ras_hw_enabled;
1240 uint32_t ras_enabled;
1241 bool ras_default_ecc_enabled;
1242
1243 bool no_hw_access;
1244 struct pci_saved_state *pci_state;
1245 pci_channel_state_t pci_channel_state;
1246
1247 struct amdgpu_pcie_reset_ctx pcie_reset_ctx;
1248
1249 /* Track auto wait count on s_barrier settings */
1250 bool barrier_has_auto_waitcnt;
1251
1252 struct amdgpu_reset_control *reset_cntl;
1253 uint32_t ip_versions[MAX_HWIP][HWIP_MAX_INSTANCE];
1254
1255 bool ram_is_direct_mapped;
1256
1257 struct list_head ras_list;
1258
1259 struct ip_discovery_top *ip_top;
1260
1261 struct amdgpu_reset_domain *reset_domain;
1262
1263 struct mutex benchmark_mutex;
1264
1265 bool scpm_enabled;
1266 uint32_t scpm_status;
1267
1268 struct work_struct reset_work;
1269
1270 bool dc_enabled;
1271 /* Mask of active clusters */
1272 uint32_t aid_mask;
1273
1274 /* Debug */
1275 bool debug_vm;
1276 bool debug_largebar;
1277 bool debug_disable_soft_recovery;
1278 bool debug_use_vram_fw_buf;
1279 bool debug_enable_ras_aca;
1280 bool debug_exp_resets;
1281 bool debug_disable_gpu_ring_reset;
1282 bool debug_vm_userptr;
1283 bool debug_disable_ce_logs;
1284
1285 /* Protection for the following isolation structure */
1286 struct mutex enforce_isolation_mutex;
1287 enum amdgpu_enforce_isolation_mode enforce_isolation[MAX_XCP];
1288 struct amdgpu_isolation {
1289 void *owner;
1290 struct dma_fence *spearhead;
1291 struct amdgpu_sync active;
1292 struct amdgpu_sync prev;
1293 } isolation[MAX_XCP];
1294
1295 struct amdgpu_init_level *init_lvl;
1296
1297 /* This flag is used to determine how VRAM allocations are handled for APUs
1298 * in KFD: VRAM or GTT.
1299 */
1300 bool apu_prefer_gtt;
1301
1302 struct list_head userq_mgr_list;
1303 struct mutex userq_mutex;
1304 bool userq_halt_for_enforce_isolation;
1305 };
1306
amdgpu_ip_version(const struct amdgpu_device * adev,uint8_t ip,uint8_t inst)1307 static inline uint32_t amdgpu_ip_version(const struct amdgpu_device *adev,
1308 uint8_t ip, uint8_t inst)
1309 {
1310 /* This considers only major/minor/rev and ignores
1311 * subrevision/variant fields.
1312 */
1313 return adev->ip_versions[ip][inst] & ~0xFFU;
1314 }
1315
amdgpu_ip_version_full(const struct amdgpu_device * adev,uint8_t ip,uint8_t inst)1316 static inline uint32_t amdgpu_ip_version_full(const struct amdgpu_device *adev,
1317 uint8_t ip, uint8_t inst)
1318 {
1319 /* This returns full version - major/minor/rev/variant/subrevision */
1320 return adev->ip_versions[ip][inst];
1321 }
1322
drm_to_adev(struct drm_device * ddev)1323 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1324 {
1325 return container_of(ddev, struct amdgpu_device, ddev);
1326 }
1327
adev_to_drm(struct amdgpu_device * adev)1328 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1329 {
1330 return &adev->ddev;
1331 }
1332
amdgpu_ttm_adev(struct ttm_device * bdev)1333 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1334 {
1335 return container_of(bdev, struct amdgpu_device, mman.bdev);
1336 }
1337
amdgpu_is_multi_aid(struct amdgpu_device * adev)1338 static inline bool amdgpu_is_multi_aid(struct amdgpu_device *adev)
1339 {
1340 return !!adev->aid_mask;
1341 }
1342
1343 int amdgpu_device_init(struct amdgpu_device *adev,
1344 uint32_t flags);
1345 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1346 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1347
1348 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1349
1350 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1351 void *buf, size_t size, bool write);
1352 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1353 void *buf, size_t size, bool write);
1354
1355 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1356 void *buf, size_t size, bool write);
1357 uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev,
1358 uint32_t inst, uint32_t reg_addr, char reg_name[],
1359 uint32_t expected_value, uint32_t mask);
1360 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1361 uint32_t reg, uint32_t acc_flags);
1362 u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev,
1363 u64 reg_addr);
1364 uint32_t amdgpu_device_xcc_rreg(struct amdgpu_device *adev,
1365 uint32_t reg, uint32_t acc_flags,
1366 uint32_t xcc_id);
1367 void amdgpu_device_wreg(struct amdgpu_device *adev,
1368 uint32_t reg, uint32_t v,
1369 uint32_t acc_flags);
1370 void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev,
1371 u64 reg_addr, u32 reg_data);
1372 void amdgpu_device_xcc_wreg(struct amdgpu_device *adev,
1373 uint32_t reg, uint32_t v,
1374 uint32_t acc_flags,
1375 uint32_t xcc_id);
1376 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1377 uint32_t reg, uint32_t v, uint32_t xcc_id);
1378 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1379 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1380
1381 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1382 u32 reg_addr);
1383 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1384 u32 reg_addr);
1385 u64 amdgpu_device_indirect_rreg64_ext(struct amdgpu_device *adev,
1386 u64 reg_addr);
1387 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1388 u32 reg_addr, u32 reg_data);
1389 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1390 u32 reg_addr, u64 reg_data);
1391 void amdgpu_device_indirect_wreg64_ext(struct amdgpu_device *adev,
1392 u64 reg_addr, u64 reg_data);
1393 u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev);
1394 bool amdgpu_device_asic_has_dc_support(struct pci_dev *pdev,
1395 enum amd_asic_type asic_type);
1396 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1397
1398 void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev);
1399
1400 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1401 struct amdgpu_reset_context *reset_context);
1402
1403 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1404 struct amdgpu_reset_context *reset_context);
1405
1406 int amdgpu_device_reinit_after_reset(struct amdgpu_reset_context *reset_context);
1407
1408 int emu_soc_asic_init(struct amdgpu_device *adev);
1409
1410 /*
1411 * Registers read & write functions.
1412 */
1413 #define AMDGPU_REGS_NO_KIQ (1<<1)
1414 #define AMDGPU_REGS_RLC (1<<2)
1415
1416 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1417 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1418
1419 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg), 0)
1420 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v), 0)
1421
1422 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1423 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1424
1425 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1426 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1427 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1428 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1429 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1430 #define RREG32_XCC(reg, inst) amdgpu_device_xcc_rreg(adev, (reg), 0, inst)
1431 #define WREG32_XCC(reg, v, inst) amdgpu_device_xcc_wreg(adev, (reg), (v), 0, inst)
1432 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1433 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1434 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1435 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1436 #define RREG32_PCIE_EXT(reg) adev->pcie_rreg_ext(adev, (reg))
1437 #define WREG32_PCIE_EXT(reg, v) adev->pcie_wreg_ext(adev, (reg), (v))
1438 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1439 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1440 #define RREG64_PCIE_EXT(reg) adev->pcie_rreg64_ext(adev, (reg))
1441 #define WREG64_PCIE_EXT(reg, v) adev->pcie_wreg64_ext(adev, (reg), (v))
1442 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1443 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1444 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1445 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1446 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1447 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1448 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1449 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1450 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1451 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1452 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1453 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1454 #define WREG32_P(reg, val, mask) \
1455 do { \
1456 uint32_t tmp_ = RREG32(reg); \
1457 tmp_ &= (mask); \
1458 tmp_ |= ((val) & ~(mask)); \
1459 WREG32(reg, tmp_); \
1460 } while (0)
1461 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1462 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1463 #define WREG32_PLL_P(reg, val, mask) \
1464 do { \
1465 uint32_t tmp_ = RREG32_PLL(reg); \
1466 tmp_ &= (mask); \
1467 tmp_ |= ((val) & ~(mask)); \
1468 WREG32_PLL(reg, tmp_); \
1469 } while (0)
1470
1471 #define WREG32_SMC_P(_Reg, _Val, _Mask) \
1472 do { \
1473 u32 tmp = RREG32_SMC(_Reg); \
1474 tmp &= (_Mask); \
1475 tmp |= ((_Val) & ~(_Mask)); \
1476 WREG32_SMC(_Reg, tmp); \
1477 } while (0)
1478
1479 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1480
1481 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1482 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1483
1484 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1485 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1486 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1487
1488 #define REG_GET_FIELD(value, reg, field) \
1489 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1490
1491 #define WREG32_FIELD(reg, field, val) \
1492 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1493
1494 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1495 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1496
1497 #define AMDGPU_GET_REG_FIELD(x, h, l) (((x) & GENMASK_ULL(h, l)) >> (l))
1498 /*
1499 * BIOS helpers.
1500 */
1501 #define RBIOS8(i) (adev->bios[i])
1502 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1503 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1504
1505 /*
1506 * ASICs macro.
1507 */
1508 #define amdgpu_asic_set_vga_state(adev, state) \
1509 ((adev)->asic_funcs->set_vga_state ? (adev)->asic_funcs->set_vga_state((adev), (state)) : 0)
1510 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1511 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1512 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1513 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1514 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1515 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1516 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1517 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1518 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1519 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1520 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1521 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1522 #define amdgpu_asic_flush_hdp(adev, r) \
1523 ((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1524 #define amdgpu_asic_invalidate_hdp(adev, r) \
1525 ((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : \
1526 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : (void)0))
1527 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1528 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1529 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1530 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1531 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1532 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1533 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1534 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1535 ((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1536 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1537
1538 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter))
1539
1540 #define BIT_MASK_UPPER(i) ((i) >= BITS_PER_LONG ? 0 : ~0UL << (i))
1541 #define for_each_inst(i, inst_mask) \
1542 for (i = ffs(inst_mask); i-- != 0; \
1543 i = ffs(inst_mask & BIT_MASK_UPPER(i + 1)))
1544
1545 /* Common functions */
1546 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1547 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1548 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1549 struct amdgpu_job *job,
1550 struct amdgpu_reset_context *reset_context);
1551 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1552 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1553 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1554 bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev);
1555 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
1556
1557 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1558 u64 num_vis_bytes);
1559 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1560 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1561 const u32 *registers,
1562 const u32 array_size);
1563
1564 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1565 int amdgpu_device_link_reset(struct amdgpu_device *adev);
1566 bool amdgpu_device_supports_atpx(struct amdgpu_device *adev);
1567 bool amdgpu_device_supports_px(struct amdgpu_device *adev);
1568 bool amdgpu_device_supports_boco(struct amdgpu_device *adev);
1569 bool amdgpu_device_supports_smart_shift(struct amdgpu_device *adev);
1570 int amdgpu_device_supports_baco(struct amdgpu_device *adev);
1571 void amdgpu_device_detect_runtime_pm_mode(struct amdgpu_device *adev);
1572 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1573 struct amdgpu_device *peer_adev);
1574 int amdgpu_device_baco_enter(struct amdgpu_device *adev);
1575 int amdgpu_device_baco_exit(struct amdgpu_device *adev);
1576
1577 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1578 struct amdgpu_ring *ring);
1579 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1580 struct amdgpu_ring *ring);
1581
1582 void amdgpu_device_halt(struct amdgpu_device *adev);
1583 u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev,
1584 u32 reg);
1585 void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev,
1586 u32 reg, u32 v);
1587 struct dma_fence *amdgpu_device_get_gang(struct amdgpu_device *adev);
1588 struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
1589 struct dma_fence *gang);
1590 struct dma_fence *amdgpu_device_enforce_isolation(struct amdgpu_device *adev,
1591 struct amdgpu_ring *ring,
1592 struct amdgpu_job *job);
1593 bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev);
1594 ssize_t amdgpu_get_soft_full_reset_mask(struct amdgpu_ring *ring);
1595 ssize_t amdgpu_show_reset_mask(char *buf, uint32_t supported_reset);
1596
1597 /* atpx handler */
1598 #if defined(CONFIG_VGA_SWITCHEROO)
1599 void amdgpu_register_atpx_handler(void);
1600 void amdgpu_unregister_atpx_handler(void);
1601 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1602 bool amdgpu_is_atpx_hybrid(void);
1603 bool amdgpu_has_atpx(void);
1604 #else
amdgpu_register_atpx_handler(void)1605 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1606 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1607 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1608 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_has_atpx(void)1609 static inline bool amdgpu_has_atpx(void) { return false; }
1610 #endif
1611
1612 /*
1613 * KMS
1614 */
1615 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1616 extern const int amdgpu_max_kms_ioctl;
1617
1618 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1619 void amdgpu_driver_unload_kms(struct drm_device *dev);
1620 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1621 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1622 struct drm_file *file_priv);
1623 void amdgpu_driver_release_kms(struct drm_device *dev);
1624
1625 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1626 int amdgpu_device_prepare(struct drm_device *dev);
1627 void amdgpu_device_complete(struct drm_device *dev);
1628 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1629 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1630 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1631 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1632 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1633 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1634 struct drm_file *filp);
1635
1636 /*
1637 * functions used by amdgpu_encoder.c
1638 */
1639 struct amdgpu_afmt_acr {
1640 u32 clock;
1641
1642 int n_32khz;
1643 int cts_32khz;
1644
1645 int n_44_1khz;
1646 int cts_44_1khz;
1647
1648 int n_48khz;
1649 int cts_48khz;
1650
1651 };
1652
1653 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1654
1655 /* amdgpu_acpi.c */
1656
1657 struct amdgpu_numa_info {
1658 uint64_t size;
1659 int pxm;
1660 int nid;
1661 };
1662
1663 /* ATCS Device/Driver State */
1664 #define AMDGPU_ATCS_PSC_DEV_STATE_D0 0
1665 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT 3
1666 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR 0
1667 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR 1
1668
1669 #if defined(CONFIG_ACPI)
1670 int amdgpu_acpi_init(struct amdgpu_device *adev);
1671 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1672 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1673 bool amdgpu_acpi_is_power_shift_control_supported(void);
1674 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1675 u8 perf_req, bool advertise);
1676 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1677 u8 dev_state, bool drv_state);
1678 int amdgpu_acpi_smart_shift_update(struct amdgpu_device *adev,
1679 enum amdgpu_ss ss_state);
1680 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1681 int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset,
1682 u64 *tmr_size);
1683 int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id,
1684 struct amdgpu_numa_info *numa_info);
1685
1686 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1687 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev);
1688 void amdgpu_acpi_detect(void);
1689 void amdgpu_acpi_release(void);
1690 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1691 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_get_tmr_info(struct amdgpu_device * adev,u64 * tmr_offset,u64 * tmr_size)1692 static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev,
1693 u64 *tmr_offset, u64 *tmr_size)
1694 {
1695 return -EINVAL;
1696 }
amdgpu_acpi_get_mem_info(struct amdgpu_device * adev,int xcc_id,struct amdgpu_numa_info * numa_info)1697 static inline int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev,
1698 int xcc_id,
1699 struct amdgpu_numa_info *numa_info)
1700 {
1701 return -EINVAL;
1702 }
amdgpu_acpi_fini(struct amdgpu_device * adev)1703 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
amdgpu_acpi_should_gpu_reset(struct amdgpu_device * adev)1704 static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; }
amdgpu_acpi_detect(void)1705 static inline void amdgpu_acpi_detect(void) { }
amdgpu_acpi_release(void)1706 static inline void amdgpu_acpi_release(void) { }
amdgpu_acpi_is_power_shift_control_supported(void)1707 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
amdgpu_acpi_power_shift_control(struct amdgpu_device * adev,u8 dev_state,bool drv_state)1708 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1709 u8 dev_state, bool drv_state) { return 0; }
amdgpu_acpi_smart_shift_update(struct amdgpu_device * adev,enum amdgpu_ss ss_state)1710 static inline int amdgpu_acpi_smart_shift_update(struct amdgpu_device *adev,
1711 enum amdgpu_ss ss_state)
1712 {
1713 return 0;
1714 }
amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps * caps)1715 static inline void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps) { }
1716 #endif
1717
1718 #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND)
1719 bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev);
1720 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1721 #else
amdgpu_acpi_is_s0ix_active(struct amdgpu_device * adev)1722 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
amdgpu_acpi_is_s3_active(struct amdgpu_device * adev)1723 static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; }
1724 #endif
1725
1726 #if defined(CONFIG_DRM_AMD_ISP)
1727 int amdgpu_acpi_get_isp4_dev(struct acpi_device **dev);
1728 #endif
1729
1730 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1731 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1732
1733 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1734 pci_channel_state_t state);
1735 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1736 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1737 void amdgpu_pci_resume(struct pci_dev *pdev);
1738
1739 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1740 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1741
1742 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1743
1744 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1745 enum amd_clockgating_state state);
1746 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1747 enum amd_powergating_state state);
1748
amdgpu_device_has_timeouts_enabled(struct amdgpu_device * adev)1749 static inline bool amdgpu_device_has_timeouts_enabled(struct amdgpu_device *adev)
1750 {
1751 return amdgpu_gpu_recovery != 0 &&
1752 adev->gfx_timeout != MAX_SCHEDULE_TIMEOUT &&
1753 adev->compute_timeout != MAX_SCHEDULE_TIMEOUT &&
1754 adev->sdma_timeout != MAX_SCHEDULE_TIMEOUT &&
1755 adev->video_timeout != MAX_SCHEDULE_TIMEOUT;
1756 }
1757
1758 #include "amdgpu_object.h"
1759
amdgpu_is_tmz(struct amdgpu_device * adev)1760 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1761 {
1762 return adev->gmc.tmz_enabled;
1763 }
1764
1765 int amdgpu_in_reset(struct amdgpu_device *adev);
1766
1767 extern const struct attribute_group amdgpu_vram_mgr_attr_group;
1768 extern const struct attribute_group amdgpu_gtt_mgr_attr_group;
1769 extern const struct attribute_group amdgpu_flash_attr_group;
1770
1771 void amdgpu_set_init_level(struct amdgpu_device *adev,
1772 enum amdgpu_init_lvl_id lvl);
1773
amdgpu_device_bus_status_check(struct amdgpu_device * adev)1774 static inline int amdgpu_device_bus_status_check(struct amdgpu_device *adev)
1775 {
1776 u32 status;
1777 int r;
1778
1779 r = pci_read_config_dword(adev->pdev, PCI_COMMAND, &status);
1780 if (r || PCI_POSSIBLE_ERROR(status)) {
1781 dev_err(adev->dev, "device lost from bus!");
1782 return -ENODEV;
1783 }
1784
1785 return 0;
1786 }
1787
1788 #endif
1789