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 <linux/atomic.h>
32 #include <linux/wait.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/interval_tree.h>
36 #include <linux/hashtable.h>
37 #include <linux/dma-fence.h>
39 #include <ttm/ttm_bo_api.h>
40 #include <ttm/ttm_bo_driver.h>
41 #include <ttm/ttm_placement.h>
42 #include <ttm/ttm_module.h>
43 #include <ttm/ttm_execbuf_util.h>
46 #include <drm/drm_gem.h>
47 #include <drm/amdgpu_drm.h>
49 #include "amd_shared.h"
50 #include "amdgpu_mode.h"
51 #include "amdgpu_ih.h"
52 #include "amdgpu_irq.h"
53 #include "amdgpu_ucode.h"
54 #include "amdgpu_ttm.h"
55 #include "amdgpu_gds.h"
56 #include "amdgpu_sync.h"
57 #include "amdgpu_ring.h"
58 #include "amdgpu_vm.h"
59 #include "amd_powerplay.h"
60 #include "amdgpu_dpm.h"
61 #include "amdgpu_acp.h"
63 #include "gpu_scheduler.h"
64 #include "amdgpu_virt.h"
69 extern int amdgpu_modeset;
70 extern int amdgpu_vram_limit;
71 extern int amdgpu_gart_size;
72 extern int amdgpu_moverate;
73 extern int amdgpu_benchmarking;
74 extern int amdgpu_testing;
75 extern int amdgpu_audio;
76 extern int amdgpu_disp_priority;
77 extern int amdgpu_hw_i2c;
78 extern int amdgpu_pcie_gen2;
79 extern int amdgpu_msi;
80 extern int amdgpu_lockup_timeout;
81 extern int amdgpu_dpm;
82 extern int amdgpu_smc_load_fw;
83 extern int amdgpu_aspm;
84 extern int amdgpu_runtime_pm;
85 extern unsigned amdgpu_ip_block_mask;
86 extern int amdgpu_bapm;
87 extern int amdgpu_deep_color;
88 extern int amdgpu_vm_size;
89 extern int amdgpu_vm_block_size;
90 extern int amdgpu_vm_fault_stop;
91 extern int amdgpu_vm_debug;
92 extern int amdgpu_sched_jobs;
93 extern int amdgpu_sched_hw_submission;
94 extern int amdgpu_no_evict;
95 extern int amdgpu_direct_gma_size;
96 extern unsigned amdgpu_pcie_gen_cap;
97 extern unsigned amdgpu_pcie_lane_cap;
98 extern unsigned amdgpu_cg_mask;
99 extern unsigned amdgpu_pg_mask;
100 extern char *amdgpu_disable_cu;
101 extern char *amdgpu_virtual_display;
102 extern unsigned amdgpu_pp_feature_mask;
103 extern int amdgpu_vram_page_split;
105 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
106 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
107 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
108 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
109 #define AMDGPU_IB_POOL_SIZE 16
110 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
111 #define AMDGPUFB_CONN_LIMIT 4
112 #define AMDGPU_BIOS_NUM_SCRATCH 8
114 /* max number of IP instances */
115 #define AMDGPU_MAX_SDMA_INSTANCES 2
117 /* hardcode that limit for now */
118 #define AMDGPU_VA_RESERVED_SIZE (8 << 20)
120 /* hard reset data */
121 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
124 #define AMDGPU_RESET_GFX (1 << 0)
125 #define AMDGPU_RESET_COMPUTE (1 << 1)
126 #define AMDGPU_RESET_DMA (1 << 2)
127 #define AMDGPU_RESET_CP (1 << 3)
128 #define AMDGPU_RESET_GRBM (1 << 4)
129 #define AMDGPU_RESET_DMA1 (1 << 5)
130 #define AMDGPU_RESET_RLC (1 << 6)
131 #define AMDGPU_RESET_SEM (1 << 7)
132 #define AMDGPU_RESET_IH (1 << 8)
133 #define AMDGPU_RESET_VMC (1 << 9)
134 #define AMDGPU_RESET_MC (1 << 10)
135 #define AMDGPU_RESET_DISPLAY (1 << 11)
136 #define AMDGPU_RESET_UVD (1 << 12)
137 #define AMDGPU_RESET_VCE (1 << 13)
138 #define AMDGPU_RESET_VCE1 (1 << 14)
140 /* GFX current status */
141 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
142 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
143 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
144 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
145 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
147 /* max cursor sizes (in pixels) */
148 #define CIK_CURSOR_WIDTH 128
149 #define CIK_CURSOR_HEIGHT 128
151 struct amdgpu_device;
153 struct amdgpu_cs_parser;
155 struct amdgpu_irq_src;
159 AMDGPU_CP_IRQ_GFX_EOP = 0,
160 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
161 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
162 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
163 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
164 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
165 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
166 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
167 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
172 enum amdgpu_sdma_irq {
173 AMDGPU_SDMA_IRQ_TRAP0 = 0,
174 AMDGPU_SDMA_IRQ_TRAP1,
179 enum amdgpu_thermal_irq {
180 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
181 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
183 AMDGPU_THERMAL_IRQ_LAST
186 enum amdgpu_kiq_irq {
187 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
188 AMDGPU_CP_KIQ_IRQ_LAST
191 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
192 enum amd_ip_block_type block_type,
193 enum amd_clockgating_state state);
194 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
195 enum amd_ip_block_type block_type,
196 enum amd_powergating_state state);
197 void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags);
198 int amdgpu_wait_for_idle(struct amdgpu_device *adev,
199 enum amd_ip_block_type block_type);
200 bool amdgpu_is_idle(struct amdgpu_device *adev,
201 enum amd_ip_block_type block_type);
203 #define AMDGPU_MAX_IP_NUM 16
205 struct amdgpu_ip_block_status {
209 bool late_initialized;
213 struct amdgpu_ip_block_version {
214 const enum amd_ip_block_type type;
218 const struct amd_ip_funcs *funcs;
221 struct amdgpu_ip_block {
222 struct amdgpu_ip_block_status status;
223 const struct amdgpu_ip_block_version *version;
226 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
227 enum amd_ip_block_type type,
228 u32 major, u32 minor);
230 struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev,
231 enum amd_ip_block_type type);
233 int amdgpu_ip_block_add(struct amdgpu_device *adev,
234 const struct amdgpu_ip_block_version *ip_block_version);
236 /* provided by hw blocks that can move/clear data. e.g., gfx or sdma */
237 struct amdgpu_buffer_funcs {
238 /* maximum bytes in a single operation */
239 uint32_t copy_max_bytes;
241 /* number of dw to reserve per operation */
242 unsigned copy_num_dw;
244 /* used for buffer migration */
245 void (*emit_copy_buffer)(struct amdgpu_ib *ib,
246 /* src addr in bytes */
248 /* dst addr in bytes */
250 /* number of byte to transfer */
251 uint32_t byte_count);
253 /* maximum bytes in a single operation */
254 uint32_t fill_max_bytes;
256 /* number of dw to reserve per operation */
257 unsigned fill_num_dw;
259 /* used for buffer clearing */
260 void (*emit_fill_buffer)(struct amdgpu_ib *ib,
261 /* value to write to memory */
263 /* dst addr in bytes */
265 /* number of byte to fill */
266 uint32_t byte_count);
269 /* provided by hw blocks that can write ptes, e.g., sdma */
270 struct amdgpu_vm_pte_funcs {
271 /* copy pte entries from GART */
272 void (*copy_pte)(struct amdgpu_ib *ib,
273 uint64_t pe, uint64_t src,
275 /* write pte one entry at a time with addr mapping */
276 void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe,
277 uint64_t value, unsigned count,
279 /* for linear pte/pde updates without addr mapping */
280 void (*set_pte_pde)(struct amdgpu_ib *ib,
282 uint64_t addr, unsigned count,
283 uint32_t incr, uint64_t flags);
286 /* provided by the gmc block */
287 struct amdgpu_gart_funcs {
288 /* flush the vm tlb via mmio */
289 void (*flush_gpu_tlb)(struct amdgpu_device *adev,
291 /* write pte/pde updates using the cpu */
292 int (*set_pte_pde)(struct amdgpu_device *adev,
293 void *cpu_pt_addr, /* cpu addr of page table */
294 uint32_t gpu_page_idx, /* pte/pde to update */
295 uint64_t addr, /* addr to write into pte/pde */
296 uint64_t flags); /* access flags */
297 /* enable/disable PRT support */
298 void (*set_prt)(struct amdgpu_device *adev, bool enable);
299 /* set pte flags based per asic */
300 uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev,
304 /* provided by the ih block */
305 struct amdgpu_ih_funcs {
306 /* ring read/write ptr handling, called from interrupt context */
307 u32 (*get_wptr)(struct amdgpu_device *adev);
308 void (*decode_iv)(struct amdgpu_device *adev,
309 struct amdgpu_iv_entry *entry);
310 void (*set_rptr)(struct amdgpu_device *adev);
316 bool amdgpu_get_bios(struct amdgpu_device *adev);
317 bool amdgpu_read_bios(struct amdgpu_device *adev);
322 struct amdgpu_dummy_page {
326 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
327 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
334 #define AMDGPU_MAX_PPLL 3
336 struct amdgpu_clock {
337 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
338 struct amdgpu_pll spll;
339 struct amdgpu_pll mpll;
341 uint32_t default_mclk;
342 uint32_t default_sclk;
343 uint32_t default_dispclk;
344 uint32_t current_dispclk;
346 uint32_t max_pixel_clock;
352 struct amdgpu_bo_list_entry {
353 struct amdgpu_bo *robj;
354 struct ttm_validate_buffer tv;
355 struct amdgpu_bo_va *bo_va;
357 struct page **user_pages;
358 int user_invalidated;
361 struct amdgpu_bo_va_mapping {
362 struct list_head list;
363 struct interval_tree_node it;
368 /* bo virtual addresses in a specific vm */
369 struct amdgpu_bo_va {
370 /* protected by bo being reserved */
371 struct list_head bo_list;
372 struct dma_fence *last_pt_update;
375 /* protected by vm mutex and spinlock */
376 struct list_head vm_status;
378 /* mappings for this bo_va */
379 struct list_head invalids;
380 struct list_head valids;
382 /* constant after initialization */
383 struct amdgpu_vm *vm;
384 struct amdgpu_bo *bo;
387 #define AMDGPU_GEM_DOMAIN_MAX 0x3
390 /* Protected by tbo.reserved */
391 u32 prefered_domains;
393 struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
394 struct ttm_placement placement;
395 struct ttm_buffer_object tbo;
396 struct ttm_bo_kmap_obj kmap;
404 unsigned prime_shared_count;
405 /* list of all virtual address to which this bo
409 /* Constant after initialization */
410 struct drm_gem_object gem_base;
411 struct amdgpu_bo *parent;
412 struct amdgpu_bo *shadow;
414 struct ttm_bo_kmap_obj dma_buf_vmap;
415 struct amdgpu_mn *mn;
416 struct list_head mn_list;
417 struct list_head shadow_list;
419 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
421 void amdgpu_gem_object_free(struct drm_gem_object *obj);
422 int amdgpu_gem_object_open(struct drm_gem_object *obj,
423 struct drm_file *file_priv);
424 void amdgpu_gem_object_close(struct drm_gem_object *obj,
425 struct drm_file *file_priv);
426 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
427 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
428 struct drm_gem_object *
429 amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
430 struct dma_buf_attachment *attach,
431 struct sg_table *sg);
432 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
433 struct drm_gem_object *gobj,
435 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
436 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
437 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
438 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
439 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
440 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
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
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
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.
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.
459 * Alignment can't be bigger than page size.
461 * Hole are not considered for allocation to keep things simple.
462 * Assumption is that there won't be hole (all object on same
466 #define AMDGPU_SA_NUM_FENCE_LISTS 32
468 struct amdgpu_sa_manager {
469 wait_queue_head_t wq;
470 struct amdgpu_bo *bo;
471 struct list_head *hole;
472 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
473 struct list_head olist;
481 /* sub-allocation buffer */
482 struct amdgpu_sa_bo {
483 struct list_head olist;
484 struct list_head flist;
485 struct amdgpu_sa_manager *manager;
488 struct dma_fence *fence;
494 void amdgpu_gem_force_release(struct amdgpu_device *adev);
495 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
496 int alignment, u32 initial_domain,
497 u64 flags, bool kernel,
498 struct drm_gem_object **obj);
500 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
501 struct drm_device *dev,
502 struct drm_mode_create_dumb *args);
503 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
504 struct drm_device *dev,
505 uint32_t handle, uint64_t *offset_p);
506 int amdgpu_fence_slab_init(void);
507 void amdgpu_fence_slab_fini(void);
510 * GART structures, functions & helpers
514 #define AMDGPU_GPU_PAGE_SIZE 4096
515 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
516 #define AMDGPU_GPU_PAGE_SHIFT 12
517 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
520 dma_addr_t table_addr;
521 struct amdgpu_bo *robj;
523 unsigned num_gpu_pages;
524 unsigned num_cpu_pages;
526 #ifdef CONFIG_DRM_AMDGPU_GART_DEBUGFS
531 /* Asic default pte flags */
532 uint64_t gart_pte_flags;
534 const struct amdgpu_gart_funcs *gart_funcs;
537 int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
538 void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
539 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
540 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
541 int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
542 void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
543 int amdgpu_gart_init(struct amdgpu_device *adev);
544 void amdgpu_gart_fini(struct amdgpu_device *adev);
545 void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
547 int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
548 int pages, struct page **pagelist,
549 dma_addr_t *dma_addr, uint64_t flags);
550 int amdgpu_ttm_recover_gart(struct amdgpu_device *adev);
553 * GPU MC structures, functions & helpers
556 resource_size_t aper_size;
557 resource_size_t aper_base;
558 resource_size_t agp_base;
559 /* for some chips with <= 32MB we need to lie
560 * about vram size near mc fb location */
562 u64 visible_vram_size;
573 const struct firmware *fw; /* MC firmware */
575 struct amdgpu_irq_src vm_fault;
577 uint32_t srbm_soft_reset;
578 struct amdgpu_mode_mc_save save;
581 u64 shared_aperture_start;
582 u64 shared_aperture_end;
583 u64 private_aperture_start;
584 u64 private_aperture_end;
588 * GPU doorbell structures, functions & helpers
590 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
592 AMDGPU_DOORBELL_KIQ = 0x000,
593 AMDGPU_DOORBELL_HIQ = 0x001,
594 AMDGPU_DOORBELL_DIQ = 0x002,
595 AMDGPU_DOORBELL_MEC_RING0 = 0x010,
596 AMDGPU_DOORBELL_MEC_RING1 = 0x011,
597 AMDGPU_DOORBELL_MEC_RING2 = 0x012,
598 AMDGPU_DOORBELL_MEC_RING3 = 0x013,
599 AMDGPU_DOORBELL_MEC_RING4 = 0x014,
600 AMDGPU_DOORBELL_MEC_RING5 = 0x015,
601 AMDGPU_DOORBELL_MEC_RING6 = 0x016,
602 AMDGPU_DOORBELL_MEC_RING7 = 0x017,
603 AMDGPU_DOORBELL_GFX_RING0 = 0x020,
604 AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
605 AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
606 AMDGPU_DOORBELL_IH = 0x1E8,
607 AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
608 AMDGPU_DOORBELL_INVALID = 0xFFFF
609 } AMDGPU_DOORBELL_ASSIGNMENT;
611 struct amdgpu_doorbell {
613 resource_size_t base;
614 resource_size_t size;
616 u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
619 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
620 phys_addr_t *aperture_base,
621 size_t *aperture_size,
622 size_t *start_offset);
628 struct amdgpu_flip_work {
629 struct delayed_work flip_work;
630 struct work_struct unpin_work;
631 struct amdgpu_device *adev;
635 struct drm_pending_vblank_event *event;
636 struct amdgpu_bo *old_abo;
637 struct dma_fence *excl;
638 unsigned shared_count;
639 struct dma_fence **shared;
640 struct dma_fence_cb cb;
650 struct amdgpu_sa_bo *sa_bo;
657 extern const struct amd_sched_backend_ops amdgpu_sched_ops;
659 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
660 struct amdgpu_job **job, struct amdgpu_vm *vm);
661 int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
662 struct amdgpu_job **job);
664 void amdgpu_job_free_resources(struct amdgpu_job *job);
665 void amdgpu_job_free(struct amdgpu_job *job);
666 int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
667 struct amd_sched_entity *entity, void *owner,
668 struct dma_fence **f);
671 * context related structures
674 struct amdgpu_ctx_ring {
676 struct dma_fence **fences;
677 struct amd_sched_entity entity;
681 struct kref refcount;
682 struct amdgpu_device *adev;
683 unsigned reset_counter;
684 spinlock_t ring_lock;
685 struct dma_fence **fences;
686 struct amdgpu_ctx_ring rings[AMDGPU_MAX_RINGS];
687 bool preamble_presented;
690 struct amdgpu_ctx_mgr {
691 struct amdgpu_device *adev;
693 /* protected by lock */
694 struct idr ctx_handles;
697 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
698 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
700 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
701 struct dma_fence *fence);
702 struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
703 struct amdgpu_ring *ring, uint64_t seq);
705 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
706 struct drm_file *filp);
708 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
709 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
712 * file private structure
715 struct amdgpu_fpriv {
717 struct amdgpu_bo_va *prt_va;
718 struct mutex bo_list_lock;
719 struct idr bo_list_handles;
720 struct amdgpu_ctx_mgr ctx_mgr;
727 struct amdgpu_bo_list {
729 struct amdgpu_bo *gds_obj;
730 struct amdgpu_bo *gws_obj;
731 struct amdgpu_bo *oa_obj;
732 unsigned first_userptr;
733 unsigned num_entries;
734 struct amdgpu_bo_list_entry *array;
737 struct amdgpu_bo_list *
738 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
739 void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
740 struct list_head *validated);
741 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
742 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
747 #include "clearstate_defs.h"
749 struct amdgpu_rlc_funcs {
750 void (*enter_safe_mode)(struct amdgpu_device *adev);
751 void (*exit_safe_mode)(struct amdgpu_device *adev);
755 /* for power gating */
756 struct amdgpu_bo *save_restore_obj;
757 uint64_t save_restore_gpu_addr;
758 volatile uint32_t *sr_ptr;
761 /* for clear state */
762 struct amdgpu_bo *clear_state_obj;
763 uint64_t clear_state_gpu_addr;
764 volatile uint32_t *cs_ptr;
765 const struct cs_section_def *cs_data;
766 u32 clear_state_size;
768 struct amdgpu_bo *cp_table_obj;
769 uint64_t cp_table_gpu_addr;
770 volatile uint32_t *cp_table_ptr;
773 /* safe mode for updating CG/PG state */
775 const struct amdgpu_rlc_funcs *funcs;
777 /* for firmware data */
778 u32 save_and_restore_offset;
779 u32 clear_state_descriptor_offset;
780 u32 avail_scratch_ram_locations;
781 u32 reg_restore_list_size;
782 u32 reg_list_format_start;
783 u32 reg_list_format_separate_start;
784 u32 starting_offsets_start;
785 u32 reg_list_format_size_bytes;
786 u32 reg_list_size_bytes;
788 u32 *register_list_format;
789 u32 *register_restore;
793 struct amdgpu_bo *hpd_eop_obj;
794 u64 hpd_eop_gpu_addr;
798 void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
803 struct amdgpu_bo *eop_obj;
804 struct amdgpu_ring ring;
805 struct amdgpu_irq_src irq;
809 * GPU scratch registers structures, functions & helpers
811 struct amdgpu_scratch {
820 #define AMDGPU_GFX_MAX_SE 4
821 #define AMDGPU_GFX_MAX_SH_PER_SE 2
823 struct amdgpu_rb_config {
824 uint32_t rb_backend_disable;
825 uint32_t user_rb_backend_disable;
826 uint32_t raster_config;
827 uint32_t raster_config_1;
830 struct amdgpu_gfx_config {
831 unsigned max_shader_engines;
832 unsigned max_tile_pipes;
833 unsigned max_cu_per_sh;
834 unsigned max_sh_per_se;
835 unsigned max_backends_per_se;
836 unsigned max_texture_channel_caches;
838 unsigned max_gs_threads;
839 unsigned max_hw_contexts;
840 unsigned sc_prim_fifo_size_frontend;
841 unsigned sc_prim_fifo_size_backend;
842 unsigned sc_hiz_tile_fifo_size;
843 unsigned sc_earlyz_tile_fifo_size;
845 unsigned num_tile_pipes;
846 unsigned backend_enable_mask;
847 unsigned mem_max_burst_length_bytes;
848 unsigned mem_row_size_in_kb;
849 unsigned shader_engine_tile_size;
851 unsigned multi_gpu_tile_size;
852 unsigned mc_arb_ramcfg;
853 unsigned gb_addr_config;
856 uint32_t tile_mode_array[32];
857 uint32_t macrotile_mode_array[16];
859 struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
861 /* gfx configure feature */
862 uint32_t double_offchip_lds_buf;
865 struct amdgpu_cu_info {
866 uint32_t number; /* total active CU number */
868 uint32_t bitmap[4][4];
871 struct amdgpu_gfx_funcs {
872 /* get the gpu clock counter */
873 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
874 void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
875 void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
876 void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst);
877 void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
881 struct mutex gpu_clock_mutex;
882 struct amdgpu_gfx_config config;
883 struct amdgpu_rlc rlc;
884 struct amdgpu_mec mec;
885 struct amdgpu_kiq kiq;
886 struct amdgpu_scratch scratch;
887 const struct firmware *me_fw; /* ME firmware */
888 uint32_t me_fw_version;
889 const struct firmware *pfp_fw; /* PFP firmware */
890 uint32_t pfp_fw_version;
891 const struct firmware *ce_fw; /* CE firmware */
892 uint32_t ce_fw_version;
893 const struct firmware *rlc_fw; /* RLC firmware */
894 uint32_t rlc_fw_version;
895 const struct firmware *mec_fw; /* MEC firmware */
896 uint32_t mec_fw_version;
897 const struct firmware *mec2_fw; /* MEC2 firmware */
898 uint32_t mec2_fw_version;
899 uint32_t me_feature_version;
900 uint32_t ce_feature_version;
901 uint32_t pfp_feature_version;
902 uint32_t rlc_feature_version;
903 uint32_t mec_feature_version;
904 uint32_t mec2_feature_version;
905 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
906 unsigned num_gfx_rings;
907 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
908 unsigned num_compute_rings;
909 struct amdgpu_irq_src eop_irq;
910 struct amdgpu_irq_src priv_reg_irq;
911 struct amdgpu_irq_src priv_inst_irq;
913 uint32_t gfx_current_status;
915 unsigned ce_ram_size;
916 struct amdgpu_cu_info cu_info;
917 const struct amdgpu_gfx_funcs *funcs;
920 uint32_t grbm_soft_reset;
921 uint32_t srbm_soft_reset;
925 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
926 unsigned size, struct amdgpu_ib *ib);
927 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
928 struct dma_fence *f);
929 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
930 struct amdgpu_ib *ibs, struct amdgpu_job *job,
931 struct dma_fence **f);
932 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
933 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
934 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
939 struct amdgpu_cs_chunk {
945 struct amdgpu_cs_parser {
946 struct amdgpu_device *adev;
947 struct drm_file *filp;
948 struct amdgpu_ctx *ctx;
952 struct amdgpu_cs_chunk *chunks;
954 /* scheduler job object */
955 struct amdgpu_job *job;
958 struct ww_acquire_ctx ticket;
959 struct amdgpu_bo_list *bo_list;
960 struct amdgpu_bo_list_entry vm_pd;
961 struct list_head validated;
962 struct dma_fence *fence;
963 uint64_t bytes_moved_threshold;
964 uint64_t bytes_moved;
965 struct amdgpu_bo_list_entry *evictable;
968 struct amdgpu_bo_list_entry uf_entry;
971 #define AMDGPU_PREAMBLE_IB_PRESENT (1 << 0) /* bit set means command submit involves a preamble IB */
972 #define AMDGPU_PREAMBLE_IB_PRESENT_FIRST (1 << 1) /* bit set means preamble IB is first presented in belonging context */
973 #define AMDGPU_HAVE_CTX_SWITCH (1 << 2) /* bit set means context switch occured */
974 #define AMDGPU_VM_DOMAIN (1 << 3) /* bit set means in virtual memory context */
977 struct amd_sched_job base;
978 struct amdgpu_device *adev;
979 struct amdgpu_vm *vm;
980 struct amdgpu_ring *ring;
981 struct amdgpu_sync sync;
982 struct amdgpu_ib *ibs;
983 struct dma_fence *fence; /* the hw fence */
984 uint32_t preamble_status;
987 uint64_t fence_ctx; /* the fence_context this job uses */
991 uint32_t gds_base, gds_size;
992 uint32_t gws_base, gws_size;
993 uint32_t oa_base, oa_size;
995 /* user fence handling */
997 uint64_t uf_sequence;
1000 #define to_amdgpu_job(sched_job) \
1001 container_of((sched_job), struct amdgpu_job, base)
1003 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
1004 uint32_t ib_idx, int idx)
1006 return p->job->ibs[ib_idx].ptr[idx];
1009 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
1010 uint32_t ib_idx, int idx,
1013 p->job->ibs[ib_idx].ptr[idx] = value;
1019 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1022 struct amdgpu_bo *wb_obj;
1023 volatile uint32_t *wb;
1025 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
1026 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1029 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1030 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1031 int amdgpu_wb_get_64bit(struct amdgpu_device *adev, u32 *wb);
1032 void amdgpu_wb_free_64bit(struct amdgpu_device *adev, u32 wb);
1034 void amdgpu_get_pcie_info(struct amdgpu_device *adev);
1039 #define AMDGPU_DEFAULT_UVD_HANDLES 10
1040 #define AMDGPU_MAX_UVD_HANDLES 40
1041 #define AMDGPU_UVD_STACK_SIZE (200*1024)
1042 #define AMDGPU_UVD_HEAP_SIZE (256*1024)
1043 #define AMDGPU_UVD_SESSION_SIZE (50*1024)
1044 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1047 struct amdgpu_bo *vcpu_bo;
1050 unsigned fw_version;
1052 unsigned max_handles;
1053 atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
1054 struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES];
1055 struct delayed_work idle_work;
1056 const struct firmware *fw; /* UVD firmware */
1057 struct amdgpu_ring ring;
1058 struct amdgpu_irq_src irq;
1059 bool address_64_bit;
1061 struct amd_sched_entity entity;
1062 uint32_t srbm_soft_reset;
1068 #define AMDGPU_MAX_VCE_HANDLES 16
1069 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1071 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1072 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1075 struct amdgpu_bo *vcpu_bo;
1077 unsigned fw_version;
1078 unsigned fb_version;
1079 atomic_t handles[AMDGPU_MAX_VCE_HANDLES];
1080 struct drm_file *filp[AMDGPU_MAX_VCE_HANDLES];
1081 uint32_t img_size[AMDGPU_MAX_VCE_HANDLES];
1082 struct delayed_work idle_work;
1083 struct mutex idle_mutex;
1084 const struct firmware *fw; /* VCE firmware */
1085 struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS];
1086 struct amdgpu_irq_src irq;
1087 unsigned harvest_config;
1088 struct amd_sched_entity entity;
1089 uint32_t srbm_soft_reset;
1096 struct amdgpu_sdma_instance {
1098 const struct firmware *fw;
1099 uint32_t fw_version;
1100 uint32_t feature_version;
1102 struct amdgpu_ring ring;
1106 struct amdgpu_sdma {
1107 struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
1108 #ifdef CONFIG_DRM_AMDGPU_SI
1109 //SI DMA has a difference trap irq number for the second engine
1110 struct amdgpu_irq_src trap_irq_1;
1112 struct amdgpu_irq_src trap_irq;
1113 struct amdgpu_irq_src illegal_inst_irq;
1115 uint32_t srbm_soft_reset;
1121 struct amdgpu_firmware {
1122 struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1124 struct amdgpu_bo *fw_buf;
1125 unsigned int fw_size;
1131 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1137 void amdgpu_test_moves(struct amdgpu_device *adev);
1142 #if defined(CONFIG_MMU_NOTIFIER)
1143 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1144 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1146 static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1150 static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1156 struct amdgpu_debugfs {
1157 const struct drm_info_list *files;
1161 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1162 const struct drm_info_list *files,
1164 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1166 #if defined(CONFIG_DEBUG_FS)
1167 int amdgpu_debugfs_init(struct drm_minor *minor);
1170 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev);
1173 * amdgpu smumgr functions
1175 struct amdgpu_smumgr_funcs {
1176 int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1177 int (*request_smu_load_fw)(struct amdgpu_device *adev);
1178 int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1184 struct amdgpu_smumgr {
1185 struct amdgpu_bo *toc_buf;
1186 struct amdgpu_bo *smu_buf;
1187 /* asic priv smu data */
1189 spinlock_t smu_lock;
1190 /* smumgr functions */
1191 const struct amdgpu_smumgr_funcs *smumgr_funcs;
1192 /* ucode loading complete flag */
1197 * ASIC specific register table accessible by UMD
1199 struct amdgpu_allowed_register_entry {
1200 uint32_t reg_offset;
1206 * ASIC specific functions.
1208 struct amdgpu_asic_funcs {
1209 bool (*read_disabled_bios)(struct amdgpu_device *adev);
1210 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
1211 u8 *bios, u32 length_bytes);
1212 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1213 u32 sh_num, u32 reg_offset, u32 *value);
1214 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1215 int (*reset)(struct amdgpu_device *adev);
1216 /* get the reference clock */
1217 u32 (*get_xclk)(struct amdgpu_device *adev);
1218 /* MM block clocks */
1219 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1220 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1221 /* static power management */
1222 int (*get_pcie_lanes)(struct amdgpu_device *adev);
1223 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
1224 /* get config memsize register */
1225 u32 (*get_config_memsize)(struct amdgpu_device *adev);
1231 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1232 struct drm_file *filp);
1233 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1234 struct drm_file *filp);
1236 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1237 struct drm_file *filp);
1238 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1239 struct drm_file *filp);
1240 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1241 struct drm_file *filp);
1242 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1243 struct drm_file *filp);
1244 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1245 struct drm_file *filp);
1246 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1247 struct drm_file *filp);
1248 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1249 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1250 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
1251 struct drm_file *filp);
1253 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1254 struct drm_file *filp);
1256 /* VRAM scratch page for HDP bug, default vram page */
1257 struct amdgpu_vram_scratch {
1258 struct amdgpu_bo *robj;
1259 volatile uint32_t *ptr;
1266 struct amdgpu_atif_notification_cfg {
1271 struct amdgpu_atif_notifications {
1272 bool display_switch;
1273 bool expansion_mode_change;
1275 bool forced_power_state;
1276 bool system_power_state;
1277 bool display_conf_change;
1279 bool brightness_change;
1280 bool dgpu_display_event;
1283 struct amdgpu_atif_functions {
1285 bool sbios_requests;
1286 bool select_active_disp;
1288 bool get_tv_standard;
1289 bool set_tv_standard;
1290 bool get_panel_expansion_mode;
1291 bool set_panel_expansion_mode;
1292 bool temperature_change;
1293 bool graphics_device_types;
1296 struct amdgpu_atif {
1297 struct amdgpu_atif_notifications notifications;
1298 struct amdgpu_atif_functions functions;
1299 struct amdgpu_atif_notification_cfg notification_cfg;
1300 struct amdgpu_encoder *encoder_for_bl;
1303 struct amdgpu_atcs_functions {
1307 bool pcie_bus_width;
1310 struct amdgpu_atcs {
1311 struct amdgpu_atcs_functions functions;
1317 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1318 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
1321 * Core structure, functions and helpers.
1323 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1324 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1326 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1327 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1329 struct amdgpu_device {
1331 struct drm_device *ddev;
1332 struct pci_dev *pdev;
1334 #ifdef CONFIG_DRM_AMD_ACP
1335 struct amdgpu_acp acp;
1339 enum amd_asic_type asic_type;
1342 uint32_t external_rev_id;
1343 unsigned long flags;
1345 const struct amdgpu_asic_funcs *asic_funcs;
1349 struct work_struct reset_work;
1350 struct notifier_block acpi_nb;
1351 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
1352 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1353 unsigned debugfs_count;
1354 #if defined(CONFIG_DEBUG_FS)
1355 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1357 struct amdgpu_atif atif;
1358 struct amdgpu_atcs atcs;
1359 struct mutex srbm_mutex;
1360 /* GRBM index mutex. Protects concurrent access to GRBM index */
1361 struct mutex grbm_idx_mutex;
1362 struct dev_pm_domain vga_pm_domain;
1363 bool have_disp_power_ref;
1368 struct amdgpu_bo *stollen_vga_memory;
1369 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1371 /* Register/doorbell mmio */
1372 resource_size_t rmmio_base;
1373 resource_size_t rmmio_size;
1374 void __iomem *rmmio;
1375 /* protects concurrent MM_INDEX/DATA based register access */
1376 spinlock_t mmio_idx_lock;
1377 /* protects concurrent SMC based register access */
1378 spinlock_t smc_idx_lock;
1379 amdgpu_rreg_t smc_rreg;
1380 amdgpu_wreg_t smc_wreg;
1381 /* protects concurrent PCIE register access */
1382 spinlock_t pcie_idx_lock;
1383 amdgpu_rreg_t pcie_rreg;
1384 amdgpu_wreg_t pcie_wreg;
1385 amdgpu_rreg_t pciep_rreg;
1386 amdgpu_wreg_t pciep_wreg;
1387 /* protects concurrent UVD register access */
1388 spinlock_t uvd_ctx_idx_lock;
1389 amdgpu_rreg_t uvd_ctx_rreg;
1390 amdgpu_wreg_t uvd_ctx_wreg;
1391 /* protects concurrent DIDT register access */
1392 spinlock_t didt_idx_lock;
1393 amdgpu_rreg_t didt_rreg;
1394 amdgpu_wreg_t didt_wreg;
1395 /* protects concurrent gc_cac register access */
1396 spinlock_t gc_cac_idx_lock;
1397 amdgpu_rreg_t gc_cac_rreg;
1398 amdgpu_wreg_t gc_cac_wreg;
1399 /* protects concurrent ENDPOINT (audio) register access */
1400 spinlock_t audio_endpt_idx_lock;
1401 amdgpu_block_rreg_t audio_endpt_rreg;
1402 amdgpu_block_wreg_t audio_endpt_wreg;
1403 void __iomem *rio_mem;
1404 resource_size_t rio_mem_size;
1405 struct amdgpu_doorbell doorbell;
1407 /* clock/pll info */
1408 struct amdgpu_clock clock;
1411 struct amdgpu_mc mc;
1412 struct amdgpu_gart gart;
1413 struct amdgpu_dummy_page dummy_page;
1414 struct amdgpu_vm_manager vm_manager;
1416 /* memory management */
1417 struct amdgpu_mman mman;
1418 struct amdgpu_vram_scratch vram_scratch;
1419 struct amdgpu_wb wb;
1420 atomic64_t vram_usage;
1421 atomic64_t vram_vis_usage;
1422 atomic64_t gtt_usage;
1423 atomic64_t num_bytes_moved;
1424 atomic64_t num_evictions;
1425 atomic_t gpu_reset_counter;
1427 /* data for buffer migration throttling */
1431 s64 accum_us; /* accumulated microseconds */
1436 bool enable_virtual_display;
1437 struct amdgpu_mode_info mode_info;
1438 struct work_struct hotplug_work;
1439 struct amdgpu_irq_src crtc_irq;
1440 struct amdgpu_irq_src pageflip_irq;
1441 struct amdgpu_irq_src hpd_irq;
1446 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
1448 struct amdgpu_sa_manager ring_tmp_bo;
1451 struct amdgpu_irq irq;
1454 struct amd_powerplay powerplay;
1456 bool pp_force_state_enabled;
1459 struct amdgpu_pm pm;
1464 struct amdgpu_smumgr smu;
1467 struct amdgpu_gfx gfx;
1470 struct amdgpu_sdma sdma;
1473 struct amdgpu_uvd uvd;
1476 struct amdgpu_vce vce;
1479 struct amdgpu_firmware firmware;
1482 struct amdgpu_gds gds;
1484 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
1486 struct mutex mn_lock;
1487 DECLARE_HASHTABLE(mn_hash, 7);
1489 /* tracking pinned memory */
1491 u64 invisible_pin_size;
1494 /* amdkfd interface */
1495 struct kfd_dev *kfd;
1497 struct amdgpu_virt virt;
1499 /* link all shadow bo */
1500 struct list_head shadow_list;
1501 struct mutex shadow_list_lock;
1503 spinlock_t gtt_list_lock;
1504 struct list_head gtt_list;
1506 /* record hw reset is performed */
1511 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1513 return container_of(bdev, struct amdgpu_device, mman.bdev);
1516 bool amdgpu_device_is_px(struct drm_device *dev);
1517 int amdgpu_device_init(struct amdgpu_device *adev,
1518 struct drm_device *ddev,
1519 struct pci_dev *pdev,
1521 void amdgpu_device_fini(struct amdgpu_device *adev);
1522 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1524 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1525 uint32_t acc_flags);
1526 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1527 uint32_t acc_flags);
1528 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1529 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1531 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
1532 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
1533 u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
1534 void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
1537 * Registers read & write functions.
1540 #define AMDGPU_REGS_IDX (1<<0)
1541 #define AMDGPU_REGS_NO_KIQ (1<<1)
1543 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1544 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1546 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1547 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1548 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1549 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1550 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1551 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1552 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1553 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1554 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1555 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1556 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1557 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1558 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1559 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1560 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1561 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1562 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1563 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1564 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1565 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1566 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1567 #define WREG32_P(reg, val, mask) \
1569 uint32_t tmp_ = RREG32(reg); \
1571 tmp_ |= ((val) & ~(mask)); \
1572 WREG32(reg, tmp_); \
1574 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1575 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1576 #define WREG32_PLL_P(reg, val, mask) \
1578 uint32_t tmp_ = RREG32_PLL(reg); \
1580 tmp_ |= ((val) & ~(mask)); \
1581 WREG32_PLL(reg, tmp_); \
1583 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1584 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1585 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1587 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
1588 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
1589 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
1590 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
1592 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1593 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1595 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1596 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1597 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1599 #define REG_GET_FIELD(value, reg, field) \
1600 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1602 #define WREG32_FIELD(reg, field, val) \
1603 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1608 #define RBIOS8(i) (adev->bios[i])
1609 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1610 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1615 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
1617 if (ring->count_dw <= 0)
1618 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
1619 ring->ring[ring->wptr++ & ring->buf_mask] = v;
1620 ring->wptr &= ring->ptr_mask;
1624 static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, void *src, int count_dw)
1626 unsigned occupied, chunk1, chunk2;
1629 if (ring->count_dw < count_dw) {
1630 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
1632 occupied = ring->wptr & ring->ptr_mask;
1633 dst = (void *)&ring->ring[occupied];
1634 chunk1 = ring->ptr_mask + 1 - occupied;
1635 chunk1 = (chunk1 >= count_dw) ? count_dw: chunk1;
1636 chunk2 = count_dw - chunk1;
1641 memcpy(dst, src, chunk1);
1645 dst = (void *)ring->ring;
1646 memcpy(dst, src, chunk2);
1649 ring->wptr += count_dw;
1650 ring->wptr &= ring->ptr_mask;
1651 ring->count_dw -= count_dw;
1655 static inline struct amdgpu_sdma_instance *
1656 amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
1658 struct amdgpu_device *adev = ring->adev;
1661 for (i = 0; i < adev->sdma.num_instances; i++)
1662 if (&adev->sdma.instance[i].ring == ring)
1665 if (i < AMDGPU_MAX_SDMA_INSTANCES)
1666 return &adev->sdma.instance[i];
1674 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1675 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1676 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1677 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1678 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1679 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1680 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1681 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1682 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1683 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1684 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1685 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1686 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
1687 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
1688 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
1689 #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr)))
1690 #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags)))
1691 #define amdgpu_vm_get_pte_flags(adev, flags) (adev)->gart.gart_funcs->get_vm_pte_flags((adev),(flags))
1692 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
1693 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
1694 #define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t))
1695 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
1696 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
1697 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
1698 #define amdgpu_ring_emit_ib(r, ib, vm_id, c) (r)->funcs->emit_ib((r), (ib), (vm_id), (c))
1699 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
1700 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
1701 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
1702 #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as))
1703 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
1704 #define amdgpu_ring_emit_hdp_invalidate(r) (r)->funcs->emit_hdp_invalidate((r))
1705 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
1706 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
1707 #define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))
1708 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
1709 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
1710 #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
1711 #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
1712 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
1713 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
1714 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
1715 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
1716 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
1717 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
1718 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
1719 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
1720 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
1721 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
1722 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
1723 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
1724 #define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async))
1725 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
1726 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
1727 #define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r))
1728 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
1729 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
1730 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b))
1731 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
1732 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
1733 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
1734 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
1736 /* Common functions */
1737 int amdgpu_gpu_reset(struct amdgpu_device *adev);
1738 bool amdgpu_need_backup(struct amdgpu_device *adev);
1739 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
1740 bool amdgpu_need_post(struct amdgpu_device *adev);
1741 void amdgpu_update_display_priority(struct amdgpu_device *adev);
1743 int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
1744 int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
1745 u32 ip_instance, u32 ring,
1746 struct amdgpu_ring **out_ring);
1747 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes);
1748 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
1749 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
1750 int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages);
1751 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
1753 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
1754 struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm);
1755 bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start,
1757 bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm,
1758 int *last_invalidated);
1759 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
1760 uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
1761 struct ttm_mem_reg *mem);
1762 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
1763 void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
1764 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
1765 int amdgpu_ttm_init(struct amdgpu_device *adev);
1766 void amdgpu_ttm_fini(struct amdgpu_device *adev);
1767 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
1768 const u32 *registers,
1769 const u32 array_size);
1771 bool amdgpu_device_is_px(struct drm_device *dev);
1773 #if defined(CONFIG_VGA_SWITCHEROO)
1774 void amdgpu_register_atpx_handler(void);
1775 void amdgpu_unregister_atpx_handler(void);
1776 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1777 bool amdgpu_is_atpx_hybrid(void);
1778 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1780 static inline void amdgpu_register_atpx_handler(void) {}
1781 static inline void amdgpu_unregister_atpx_handler(void) {}
1782 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1783 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1784 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1790 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1791 extern const int amdgpu_max_kms_ioctl;
1793 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1794 void amdgpu_driver_unload_kms(struct drm_device *dev);
1795 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1796 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1797 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1798 struct drm_file *file_priv);
1799 int amdgpu_suspend(struct amdgpu_device *adev);
1800 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1801 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1802 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1803 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1804 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1805 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
1807 struct timeval *vblank_time,
1809 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1813 * functions used by amdgpu_encoder.c
1815 struct amdgpu_afmt_acr {
1829 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1832 #if defined(CONFIG_ACPI)
1833 int amdgpu_acpi_init(struct amdgpu_device *adev);
1834 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1835 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1836 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1837 u8 perf_req, bool advertise);
1838 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1840 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1841 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1844 struct amdgpu_bo_va_mapping *
1845 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1846 uint64_t addr, struct amdgpu_bo **bo);
1847 int amdgpu_cs_sysvm_access_required(struct amdgpu_cs_parser *parser);
1849 #include "amdgpu_object.h"