2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * Authors: Dave Airlie
31 #include "amdgpu_ctx.h"
33 #include <linux/atomic.h>
34 #include <linux/wait.h>
35 #include <linux/list.h>
36 #include <linux/kref.h>
37 #include <linux/rbtree.h>
38 #include <linux/hashtable.h>
39 #include <linux/dma-fence.h>
41 #include <drm/ttm/ttm_bo_api.h>
42 #include <drm/ttm/ttm_bo_driver.h>
43 #include <drm/ttm/ttm_placement.h>
44 #include <drm/ttm/ttm_module.h>
45 #include <drm/ttm/ttm_execbuf_util.h>
48 #include <drm/drm_gem.h>
49 #include <drm/amdgpu_drm.h>
50 #include <drm/gpu_scheduler.h>
52 #include <kgd_kfd_interface.h>
53 #include "dm_pp_interface.h"
54 #include "kgd_pp_interface.h"
56 #include "amd_shared.h"
57 #include "amdgpu_mode.h"
58 #include "amdgpu_ih.h"
59 #include "amdgpu_irq.h"
60 #include "amdgpu_ucode.h"
61 #include "amdgpu_ttm.h"
62 #include "amdgpu_psp.h"
63 #include "amdgpu_gds.h"
64 #include "amdgpu_sync.h"
65 #include "amdgpu_ring.h"
66 #include "amdgpu_vm.h"
67 #include "amdgpu_dpm.h"
68 #include "amdgpu_acp.h"
69 #include "amdgpu_uvd.h"
70 #include "amdgpu_vce.h"
71 #include "amdgpu_vcn.h"
72 #include "amdgpu_mn.h"
73 #include "amdgpu_gmc.h"
74 #include "amdgpu_gfx.h"
75 #include "amdgpu_sdma.h"
76 #include "amdgpu_dm.h"
77 #include "amdgpu_virt.h"
78 #include "amdgpu_gart.h"
79 #include "amdgpu_debugfs.h"
80 #include "amdgpu_job.h"
81 #include "amdgpu_bo_list.h"
82 #include "amdgpu_gem.h"
87 extern int amdgpu_modeset;
88 extern int amdgpu_vram_limit;
89 extern int amdgpu_vis_vram_limit;
90 extern int amdgpu_gart_size;
91 extern int amdgpu_gtt_size;
92 extern int amdgpu_moverate;
93 extern int amdgpu_benchmarking;
94 extern int amdgpu_testing;
95 extern int amdgpu_audio;
96 extern int amdgpu_disp_priority;
97 extern int amdgpu_hw_i2c;
98 extern int amdgpu_pcie_gen2;
99 extern int amdgpu_msi;
100 extern int amdgpu_lockup_timeout;
101 extern int amdgpu_dpm;
102 extern int amdgpu_fw_load_type;
103 extern int amdgpu_aspm;
104 extern int amdgpu_runtime_pm;
105 extern uint amdgpu_ip_block_mask;
106 extern int amdgpu_bapm;
107 extern int amdgpu_deep_color;
108 extern int amdgpu_vm_size;
109 extern int amdgpu_vm_block_size;
110 extern int amdgpu_vm_fragment_size;
111 extern int amdgpu_vm_fault_stop;
112 extern int amdgpu_vm_debug;
113 extern int amdgpu_vm_update_mode;
114 extern int amdgpu_dc;
115 extern int amdgpu_sched_jobs;
116 extern int amdgpu_sched_hw_submission;
117 extern uint amdgpu_pcie_gen_cap;
118 extern uint amdgpu_pcie_lane_cap;
119 extern uint amdgpu_cg_mask;
120 extern uint amdgpu_pg_mask;
121 extern uint amdgpu_sdma_phase_quantum;
122 extern char *amdgpu_disable_cu;
123 extern char *amdgpu_virtual_display;
124 extern uint amdgpu_pp_feature_mask;
125 extern int amdgpu_vram_page_split;
126 extern int amdgpu_ngg;
127 extern int amdgpu_prim_buf_per_se;
128 extern int amdgpu_pos_buf_per_se;
129 extern int amdgpu_cntl_sb_buf_per_se;
130 extern int amdgpu_param_buf_per_se;
131 extern int amdgpu_job_hang_limit;
132 extern int amdgpu_lbpw;
133 extern int amdgpu_compute_multipipe;
134 extern int amdgpu_gpu_recovery;
135 extern int amdgpu_emu_mode;
136 extern uint amdgpu_smu_memory_pool_size;
138 #ifdef CONFIG_DRM_AMDGPU_SI
139 extern int amdgpu_si_support;
141 #ifdef CONFIG_DRM_AMDGPU_CIK
142 extern int amdgpu_cik_support;
145 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
146 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
147 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
148 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
149 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
150 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
151 #define AMDGPU_IB_POOL_SIZE 16
152 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
153 #define AMDGPUFB_CONN_LIMIT 4
154 #define AMDGPU_BIOS_NUM_SCRATCH 16
156 /* hard reset data */
157 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
160 #define AMDGPU_RESET_GFX (1 << 0)
161 #define AMDGPU_RESET_COMPUTE (1 << 1)
162 #define AMDGPU_RESET_DMA (1 << 2)
163 #define AMDGPU_RESET_CP (1 << 3)
164 #define AMDGPU_RESET_GRBM (1 << 4)
165 #define AMDGPU_RESET_DMA1 (1 << 5)
166 #define AMDGPU_RESET_RLC (1 << 6)
167 #define AMDGPU_RESET_SEM (1 << 7)
168 #define AMDGPU_RESET_IH (1 << 8)
169 #define AMDGPU_RESET_VMC (1 << 9)
170 #define AMDGPU_RESET_MC (1 << 10)
171 #define AMDGPU_RESET_DISPLAY (1 << 11)
172 #define AMDGPU_RESET_UVD (1 << 12)
173 #define AMDGPU_RESET_VCE (1 << 13)
174 #define AMDGPU_RESET_VCE1 (1 << 14)
176 /* max cursor sizes (in pixels) */
177 #define CIK_CURSOR_WIDTH 128
178 #define CIK_CURSOR_HEIGHT 128
180 struct amdgpu_device;
182 struct amdgpu_cs_parser;
184 struct amdgpu_irq_src;
186 struct amdgpu_bo_va_mapping;
190 AMDGPU_CP_IRQ_GFX_EOP = 0,
191 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
192 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
193 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
194 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
195 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
196 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
197 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
198 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
203 enum amdgpu_thermal_irq {
204 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
205 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
207 AMDGPU_THERMAL_IRQ_LAST
210 enum amdgpu_kiq_irq {
211 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
212 AMDGPU_CP_KIQ_IRQ_LAST
215 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
216 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
217 #define MAX_KIQ_REG_TRY 20
219 int amdgpu_device_ip_set_clockgating_state(void *dev,
220 enum amd_ip_block_type block_type,
221 enum amd_clockgating_state state);
222 int amdgpu_device_ip_set_powergating_state(void *dev,
223 enum amd_ip_block_type block_type,
224 enum amd_powergating_state state);
225 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
227 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
228 enum amd_ip_block_type block_type);
229 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
230 enum amd_ip_block_type block_type);
232 #define AMDGPU_MAX_IP_NUM 16
234 struct amdgpu_ip_block_status {
238 bool late_initialized;
242 struct amdgpu_ip_block_version {
243 const enum amd_ip_block_type type;
247 const struct amd_ip_funcs *funcs;
250 struct amdgpu_ip_block {
251 struct amdgpu_ip_block_status status;
252 const struct amdgpu_ip_block_version *version;
255 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
256 enum amd_ip_block_type type,
257 u32 major, u32 minor);
259 struct amdgpu_ip_block *
260 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
261 enum amd_ip_block_type type);
263 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
264 const struct amdgpu_ip_block_version *ip_block_version);
269 bool amdgpu_get_bios(struct amdgpu_device *adev);
270 bool amdgpu_read_bios(struct amdgpu_device *adev);
276 #define AMDGPU_MAX_PPLL 3
278 struct amdgpu_clock {
279 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
280 struct amdgpu_pll spll;
281 struct amdgpu_pll mpll;
283 uint32_t default_mclk;
284 uint32_t default_sclk;
285 uint32_t default_dispclk;
286 uint32_t current_dispclk;
288 uint32_t max_pixel_clock;
291 /* sub-allocation manager, it has to be protected by another lock.
292 * By conception this is an helper for other part of the driver
293 * like the indirect buffer or semaphore, which both have their
296 * Principe is simple, we keep a list of sub allocation in offset
297 * order (first entry has offset == 0, last entry has the highest
300 * When allocating new object we first check if there is room at
301 * the end total_size - (last_object_offset + last_object_size) >=
302 * alloc_size. If so we allocate new object there.
304 * When there is not enough room at the end, we start waiting for
305 * each sub object until we reach object_offset+object_size >=
306 * alloc_size, this object then become the sub object we return.
308 * Alignment can't be bigger than page size.
310 * Hole are not considered for allocation to keep things simple.
311 * Assumption is that there won't be hole (all object on same
315 #define AMDGPU_SA_NUM_FENCE_LISTS 32
317 struct amdgpu_sa_manager {
318 wait_queue_head_t wq;
319 struct amdgpu_bo *bo;
320 struct list_head *hole;
321 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
322 struct list_head olist;
330 /* sub-allocation buffer */
331 struct amdgpu_sa_bo {
332 struct list_head olist;
333 struct list_head flist;
334 struct amdgpu_sa_manager *manager;
337 struct dma_fence *fence;
340 int amdgpu_fence_slab_init(void);
341 void amdgpu_fence_slab_fini(void);
344 * GPU doorbell structures, functions & helpers
346 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
348 AMDGPU_DOORBELL_KIQ = 0x000,
349 AMDGPU_DOORBELL_HIQ = 0x001,
350 AMDGPU_DOORBELL_DIQ = 0x002,
351 AMDGPU_DOORBELL_MEC_RING0 = 0x010,
352 AMDGPU_DOORBELL_MEC_RING1 = 0x011,
353 AMDGPU_DOORBELL_MEC_RING2 = 0x012,
354 AMDGPU_DOORBELL_MEC_RING3 = 0x013,
355 AMDGPU_DOORBELL_MEC_RING4 = 0x014,
356 AMDGPU_DOORBELL_MEC_RING5 = 0x015,
357 AMDGPU_DOORBELL_MEC_RING6 = 0x016,
358 AMDGPU_DOORBELL_MEC_RING7 = 0x017,
359 AMDGPU_DOORBELL_GFX_RING0 = 0x020,
360 AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
361 AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
362 AMDGPU_DOORBELL_IH = 0x1E8,
363 AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
364 AMDGPU_DOORBELL_INVALID = 0xFFFF
365 } AMDGPU_DOORBELL_ASSIGNMENT;
367 struct amdgpu_doorbell {
369 resource_size_t base;
370 resource_size_t size;
372 u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
376 * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
378 typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
381 * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
382 * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
383 * Compute related doorbells are allocated from 0x00 to 0x8a
387 /* kernel scheduling */
388 AMDGPU_DOORBELL64_KIQ = 0x00,
390 /* HSA interface queue and debug queue */
391 AMDGPU_DOORBELL64_HIQ = 0x01,
392 AMDGPU_DOORBELL64_DIQ = 0x02,
394 /* Compute engines */
395 AMDGPU_DOORBELL64_MEC_RING0 = 0x03,
396 AMDGPU_DOORBELL64_MEC_RING1 = 0x04,
397 AMDGPU_DOORBELL64_MEC_RING2 = 0x05,
398 AMDGPU_DOORBELL64_MEC_RING3 = 0x06,
399 AMDGPU_DOORBELL64_MEC_RING4 = 0x07,
400 AMDGPU_DOORBELL64_MEC_RING5 = 0x08,
401 AMDGPU_DOORBELL64_MEC_RING6 = 0x09,
402 AMDGPU_DOORBELL64_MEC_RING7 = 0x0a,
404 /* User queue doorbell range (128 doorbells) */
405 AMDGPU_DOORBELL64_USERQUEUE_START = 0x0b,
406 AMDGPU_DOORBELL64_USERQUEUE_END = 0x8a,
408 /* Graphics engine */
409 AMDGPU_DOORBELL64_GFX_RING0 = 0x8b,
412 * Other graphics doorbells can be allocated here: from 0x8c to 0xdf
413 * Graphics voltage island aperture 1
414 * default non-graphics QWORD index is 0xe0 - 0xFF inclusive
417 /* sDMA engines reserved from 0xe0 -oxef */
418 AMDGPU_DOORBELL64_sDMA_ENGINE0 = 0xE0,
419 AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0 = 0xE1,
420 AMDGPU_DOORBELL64_sDMA_ENGINE1 = 0xE8,
421 AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1 = 0xE9,
423 /* Interrupt handler */
424 AMDGPU_DOORBELL64_IH = 0xF4, /* For legacy interrupt ring buffer */
425 AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */
426 AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */
428 /* VCN engine use 32 bits doorbell */
429 AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
430 AMDGPU_DOORBELL64_VCN2_3 = 0xF9,
431 AMDGPU_DOORBELL64_VCN4_5 = 0xFA,
432 AMDGPU_DOORBELL64_VCN6_7 = 0xFB,
434 /* overlap the doorbell assignment with VCN as they are mutually exclusive
435 * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
437 AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8,
438 AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9,
439 AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA,
440 AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB,
442 AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC,
443 AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD,
444 AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE,
445 AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF,
447 AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
448 AMDGPU_DOORBELL64_INVALID = 0xFFFF
449 } AMDGPU_DOORBELL64_ASSIGNMENT;
455 struct amdgpu_flip_work {
456 struct delayed_work flip_work;
457 struct work_struct unpin_work;
458 struct amdgpu_device *adev;
462 struct drm_pending_vblank_event *event;
463 struct amdgpu_bo *old_abo;
464 struct dma_fence *excl;
465 unsigned shared_count;
466 struct dma_fence **shared;
467 struct dma_fence_cb cb;
477 struct amdgpu_sa_bo *sa_bo;
484 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
487 * file private structure
490 struct amdgpu_fpriv {
492 struct amdgpu_bo_va *prt_va;
493 struct amdgpu_bo_va *csa_va;
494 struct mutex bo_list_lock;
495 struct idr bo_list_handles;
496 struct amdgpu_ctx_mgr ctx_mgr;
499 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
500 unsigned size, struct amdgpu_ib *ib);
501 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
502 struct dma_fence *f);
503 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
504 struct amdgpu_ib *ibs, struct amdgpu_job *job,
505 struct dma_fence **f);
506 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
507 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
508 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
513 struct amdgpu_cs_chunk {
519 struct amdgpu_cs_parser {
520 struct amdgpu_device *adev;
521 struct drm_file *filp;
522 struct amdgpu_ctx *ctx;
526 struct amdgpu_cs_chunk *chunks;
528 /* scheduler job object */
529 struct amdgpu_job *job;
530 struct drm_sched_entity *entity;
533 struct ww_acquire_ctx ticket;
534 struct amdgpu_bo_list *bo_list;
535 struct amdgpu_mn *mn;
536 struct amdgpu_bo_list_entry vm_pd;
537 struct list_head validated;
538 struct dma_fence *fence;
539 uint64_t bytes_moved_threshold;
540 uint64_t bytes_moved_vis_threshold;
541 uint64_t bytes_moved;
542 uint64_t bytes_moved_vis;
543 struct amdgpu_bo_list_entry *evictable;
546 struct amdgpu_bo_list_entry uf_entry;
548 unsigned num_post_dep_syncobjs;
549 struct drm_syncobj **post_dep_syncobjs;
552 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
553 uint32_t ib_idx, int idx)
555 return p->job->ibs[ib_idx].ptr[idx];
558 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
559 uint32_t ib_idx, int idx,
562 p->job->ibs[ib_idx].ptr[idx] = value;
568 #define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */
571 struct amdgpu_bo *wb_obj;
572 volatile uint32_t *wb;
574 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
575 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
578 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
579 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
584 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
590 void amdgpu_test_moves(struct amdgpu_device *adev);
594 * amdgpu smumgr functions
596 struct amdgpu_smumgr_funcs {
597 int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
598 int (*request_smu_load_fw)(struct amdgpu_device *adev);
599 int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
605 struct amdgpu_smumgr {
606 struct amdgpu_bo *toc_buf;
607 struct amdgpu_bo *smu_buf;
608 /* asic priv smu data */
611 /* smumgr functions */
612 const struct amdgpu_smumgr_funcs *smumgr_funcs;
613 /* ucode loading complete flag */
618 * ASIC specific register table accessible by UMD
620 struct amdgpu_allowed_register_entry {
626 * ASIC specific functions.
628 struct amdgpu_asic_funcs {
629 bool (*read_disabled_bios)(struct amdgpu_device *adev);
630 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
631 u8 *bios, u32 length_bytes);
632 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
633 u32 sh_num, u32 reg_offset, u32 *value);
634 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
635 int (*reset)(struct amdgpu_device *adev);
636 /* get the reference clock */
637 u32 (*get_xclk)(struct amdgpu_device *adev);
638 /* MM block clocks */
639 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
640 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
641 /* static power management */
642 int (*get_pcie_lanes)(struct amdgpu_device *adev);
643 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
644 /* get config memsize register */
645 u32 (*get_config_memsize)(struct amdgpu_device *adev);
646 /* flush hdp write queue */
647 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
648 /* invalidate hdp read cache */
649 void (*invalidate_hdp)(struct amdgpu_device *adev,
650 struct amdgpu_ring *ring);
651 /* check if the asic needs a full reset of if soft reset will work */
652 bool (*need_full_reset)(struct amdgpu_device *adev);
658 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
659 struct drm_file *filp);
661 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
662 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
663 struct drm_file *filp);
664 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
665 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
666 struct drm_file *filp);
668 /* VRAM scratch page for HDP bug, default vram page */
669 struct amdgpu_vram_scratch {
670 struct amdgpu_bo *robj;
671 volatile uint32_t *ptr;
678 struct amdgpu_atcs_functions {
686 struct amdgpu_atcs_functions functions;
690 * Firmware VRAM reservation
692 struct amdgpu_fw_vram_usage {
695 struct amdgpu_bo *reserved_bo;
702 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
703 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
706 * Core structure, functions and helpers.
708 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
709 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
711 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
712 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
716 * amdgpu nbio functions
719 struct nbio_hdp_flush_reg {
720 u32 ref_and_mask_cp0;
721 u32 ref_and_mask_cp1;
722 u32 ref_and_mask_cp2;
723 u32 ref_and_mask_cp3;
724 u32 ref_and_mask_cp4;
725 u32 ref_and_mask_cp5;
726 u32 ref_and_mask_cp6;
727 u32 ref_and_mask_cp7;
728 u32 ref_and_mask_cp8;
729 u32 ref_and_mask_cp9;
730 u32 ref_and_mask_sdma0;
731 u32 ref_and_mask_sdma1;
734 struct amdgpu_nbio_funcs {
735 const struct nbio_hdp_flush_reg *hdp_flush_reg;
736 u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
737 u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
738 u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
739 u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
740 u32 (*get_rev_id)(struct amdgpu_device *adev);
741 void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
742 void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
743 u32 (*get_memsize)(struct amdgpu_device *adev);
744 void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
745 bool use_doorbell, int doorbell_index);
746 void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
748 void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
750 void (*ih_doorbell_range)(struct amdgpu_device *adev,
751 bool use_doorbell, int doorbell_index);
752 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
754 void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
756 void (*get_clockgating_state)(struct amdgpu_device *adev,
758 void (*ih_control)(struct amdgpu_device *adev);
759 void (*init_registers)(struct amdgpu_device *adev);
760 void (*detect_hw_virt)(struct amdgpu_device *adev);
763 struct amdgpu_df_funcs {
764 void (*init)(struct amdgpu_device *adev);
765 void (*enable_broadcast_mode)(struct amdgpu_device *adev,
767 u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
768 u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
769 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
771 void (*get_clockgating_state)(struct amdgpu_device *adev,
773 void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
776 /* Define the HW IP blocks will be used in driver , add more if necessary */
777 enum amd_hw_ip_block_type {
801 #define HWIP_MAX_INSTANCE 6
803 struct amd_powerplay {
805 const struct amd_pm_funcs *pp_funcs;
809 #define AMDGPU_RESET_MAGIC_NUM 64
810 struct amdgpu_device {
812 struct drm_device *ddev;
813 struct pci_dev *pdev;
815 #ifdef CONFIG_DRM_AMD_ACP
816 struct amdgpu_acp acp;
820 enum amd_asic_type asic_type;
823 uint32_t external_rev_id;
826 const struct amdgpu_asic_funcs *asic_funcs;
831 struct work_struct reset_work;
832 struct notifier_block acpi_nb;
833 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
834 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
835 unsigned debugfs_count;
836 #if defined(CONFIG_DEBUG_FS)
837 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
839 struct amdgpu_atif *atif;
840 struct amdgpu_atcs atcs;
841 struct mutex srbm_mutex;
842 /* GRBM index mutex. Protects concurrent access to GRBM index */
843 struct mutex grbm_idx_mutex;
844 struct dev_pm_domain vga_pm_domain;
845 bool have_disp_power_ref;
851 struct amdgpu_bo *stolen_vga_memory;
852 uint32_t bios_scratch_reg_offset;
853 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
855 /* Register/doorbell mmio */
856 resource_size_t rmmio_base;
857 resource_size_t rmmio_size;
859 /* protects concurrent MM_INDEX/DATA based register access */
860 spinlock_t mmio_idx_lock;
861 /* protects concurrent SMC based register access */
862 spinlock_t smc_idx_lock;
863 amdgpu_rreg_t smc_rreg;
864 amdgpu_wreg_t smc_wreg;
865 /* protects concurrent PCIE register access */
866 spinlock_t pcie_idx_lock;
867 amdgpu_rreg_t pcie_rreg;
868 amdgpu_wreg_t pcie_wreg;
869 amdgpu_rreg_t pciep_rreg;
870 amdgpu_wreg_t pciep_wreg;
871 /* protects concurrent UVD register access */
872 spinlock_t uvd_ctx_idx_lock;
873 amdgpu_rreg_t uvd_ctx_rreg;
874 amdgpu_wreg_t uvd_ctx_wreg;
875 /* protects concurrent DIDT register access */
876 spinlock_t didt_idx_lock;
877 amdgpu_rreg_t didt_rreg;
878 amdgpu_wreg_t didt_wreg;
879 /* protects concurrent gc_cac register access */
880 spinlock_t gc_cac_idx_lock;
881 amdgpu_rreg_t gc_cac_rreg;
882 amdgpu_wreg_t gc_cac_wreg;
883 /* protects concurrent se_cac register access */
884 spinlock_t se_cac_idx_lock;
885 amdgpu_rreg_t se_cac_rreg;
886 amdgpu_wreg_t se_cac_wreg;
887 /* protects concurrent ENDPOINT (audio) register access */
888 spinlock_t audio_endpt_idx_lock;
889 amdgpu_block_rreg_t audio_endpt_rreg;
890 amdgpu_block_wreg_t audio_endpt_wreg;
891 void __iomem *rio_mem;
892 resource_size_t rio_mem_size;
893 struct amdgpu_doorbell doorbell;
896 struct amdgpu_clock clock;
899 struct amdgpu_gmc gmc;
900 struct amdgpu_gart gart;
901 dma_addr_t dummy_page_addr;
902 struct amdgpu_vm_manager vm_manager;
903 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
905 /* memory management */
906 struct amdgpu_mman mman;
907 struct amdgpu_vram_scratch vram_scratch;
909 atomic64_t num_bytes_moved;
910 atomic64_t num_evictions;
911 atomic64_t num_vram_cpu_page_faults;
912 atomic_t gpu_reset_counter;
913 atomic_t vram_lost_counter;
915 /* data for buffer migration throttling */
919 s64 accum_us; /* accumulated microseconds */
920 s64 accum_us_vis; /* for visible VRAM */
925 bool enable_virtual_display;
926 struct amdgpu_mode_info mode_info;
927 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
928 struct work_struct hotplug_work;
929 struct amdgpu_irq_src crtc_irq;
930 struct amdgpu_irq_src pageflip_irq;
931 struct amdgpu_irq_src hpd_irq;
936 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
938 struct amdgpu_sa_manager ring_tmp_bo;
941 struct amdgpu_irq irq;
944 struct amd_powerplay powerplay;
945 bool pp_force_state_enabled;
953 struct amdgpu_smumgr smu;
956 struct amdgpu_gfx gfx;
959 struct amdgpu_sdma sdma;
962 struct amdgpu_uvd uvd;
965 struct amdgpu_vce vce;
968 struct amdgpu_vcn vcn;
971 struct amdgpu_firmware firmware;
974 struct psp_context psp;
977 struct amdgpu_gds gds;
979 /* display related functionality */
980 struct amdgpu_display_manager dm;
982 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
984 struct mutex mn_lock;
985 DECLARE_HASHTABLE(mn_hash, 7);
987 /* tracking pinned memory */
988 atomic64_t vram_pin_size;
989 atomic64_t visible_pin_size;
990 atomic64_t gart_pin_size;
992 /* amdkfd interface */
995 /* soc15 register offset based on ip, instance and segment */
996 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
998 const struct amdgpu_nbio_funcs *nbio_funcs;
999 const struct amdgpu_df_funcs *df_funcs;
1001 /* delayed work_func for deferring clockgating during resume */
1002 struct delayed_work late_init_work;
1004 struct amdgpu_virt virt;
1005 /* firmware VRAM reservation */
1006 struct amdgpu_fw_vram_usage fw_vram_usage;
1008 /* link all shadow bo */
1009 struct list_head shadow_list;
1010 struct mutex shadow_list_lock;
1011 /* keep an lru list of rings by HW IP */
1012 struct list_head ring_lru_list;
1013 spinlock_t ring_lru_list_lock;
1015 /* record hw reset is performed */
1017 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
1019 /* record last mm index being written through WREG32*/
1020 unsigned long last_mm_index;
1022 struct mutex lock_reset;
1025 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1027 return container_of(bdev, struct amdgpu_device, mman.bdev);
1030 int amdgpu_device_init(struct amdgpu_device *adev,
1031 struct drm_device *ddev,
1032 struct pci_dev *pdev,
1034 void amdgpu_device_fini(struct amdgpu_device *adev);
1035 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1037 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1038 uint32_t acc_flags);
1039 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1040 uint32_t acc_flags);
1041 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1042 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1044 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1045 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1047 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
1048 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
1049 u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
1050 void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
1052 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1053 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1055 int emu_soc_asic_init(struct amdgpu_device *adev);
1058 * Registers read & write functions.
1061 #define AMDGPU_REGS_IDX (1<<0)
1062 #define AMDGPU_REGS_NO_KIQ (1<<1)
1064 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1065 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1067 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1068 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1070 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1071 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1072 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1073 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1074 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1075 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1076 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1077 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1078 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1079 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1080 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1081 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1082 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1083 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1084 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1085 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1086 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1087 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1088 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1089 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1090 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1091 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1092 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1093 #define WREG32_P(reg, val, mask) \
1095 uint32_t tmp_ = RREG32(reg); \
1097 tmp_ |= ((val) & ~(mask)); \
1098 WREG32(reg, tmp_); \
1100 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1101 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1102 #define WREG32_PLL_P(reg, val, mask) \
1104 uint32_t tmp_ = RREG32_PLL(reg); \
1106 tmp_ |= ((val) & ~(mask)); \
1107 WREG32_PLL(reg, tmp_); \
1109 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1110 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1111 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1113 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
1114 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
1115 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
1116 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
1118 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1119 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1121 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1122 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1123 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1125 #define REG_GET_FIELD(value, reg, field) \
1126 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1128 #define WREG32_FIELD(reg, field, val) \
1129 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1131 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1132 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1137 #define RBIOS8(i) (adev->bios[i])
1138 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1139 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1144 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1145 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1146 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1147 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1148 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1149 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1150 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1151 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1152 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1153 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1154 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1155 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1156 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1157 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1158 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1160 /* Common functions */
1161 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1162 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1163 struct amdgpu_job* job);
1164 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1165 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1167 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1169 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1170 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1171 const u32 *registers,
1172 const u32 array_size);
1174 bool amdgpu_device_is_px(struct drm_device *dev);
1176 #if defined(CONFIG_VGA_SWITCHEROO)
1177 void amdgpu_register_atpx_handler(void);
1178 void amdgpu_unregister_atpx_handler(void);
1179 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1180 bool amdgpu_is_atpx_hybrid(void);
1181 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1182 bool amdgpu_has_atpx(void);
1184 static inline void amdgpu_register_atpx_handler(void) {}
1185 static inline void amdgpu_unregister_atpx_handler(void) {}
1186 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1187 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1188 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1189 static inline bool amdgpu_has_atpx(void) { return false; }
1192 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1193 void *amdgpu_atpx_get_dhandle(void);
1195 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1201 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1202 extern const int amdgpu_max_kms_ioctl;
1204 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1205 void amdgpu_driver_unload_kms(struct drm_device *dev);
1206 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1207 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1208 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1209 struct drm_file *file_priv);
1210 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1211 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1212 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1213 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1214 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1215 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1216 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1221 * functions used by amdgpu_xgmi.c
1223 int amdgpu_xgmi_add_device(struct amdgpu_device *adev);
1226 * functions used by amdgpu_encoder.c
1228 struct amdgpu_afmt_acr {
1242 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1245 #if defined(CONFIG_ACPI)
1246 int amdgpu_acpi_init(struct amdgpu_device *adev);
1247 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1248 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1249 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1250 u8 perf_req, bool advertise);
1251 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1253 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1254 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1257 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1258 uint64_t addr, struct amdgpu_bo **bo,
1259 struct amdgpu_bo_va_mapping **mapping);
1261 #if defined(CONFIG_DRM_AMD_DC)
1262 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1264 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1267 #include "amdgpu_object.h"