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/rbtree.h>
36 #include <linux/hashtable.h>
37 #include <linux/dma-fence.h>
39 #include <drm/ttm/ttm_bo_api.h>
40 #include <drm/ttm/ttm_bo_driver.h>
41 #include <drm/ttm/ttm_placement.h>
42 #include <drm/ttm/ttm_module.h>
43 #include <drm/ttm/ttm_execbuf_util.h>
46 #include <drm/drm_gem.h>
47 #include <drm/amdgpu_drm.h>
49 #include <kgd_kfd_interface.h>
51 #include "amd_shared.h"
52 #include "amdgpu_mode.h"
53 #include "amdgpu_ih.h"
54 #include "amdgpu_irq.h"
55 #include "amdgpu_ucode.h"
56 #include "amdgpu_ttm.h"
57 #include "amdgpu_psp.h"
58 #include "amdgpu_gds.h"
59 #include "amdgpu_sync.h"
60 #include "amdgpu_ring.h"
61 #include "amdgpu_vm.h"
62 #include "amd_powerplay.h"
63 #include "amdgpu_dpm.h"
64 #include "amdgpu_acp.h"
65 #include "amdgpu_uvd.h"
66 #include "amdgpu_vce.h"
67 #include "amdgpu_vcn.h"
69 #include "gpu_scheduler.h"
70 #include "amdgpu_virt.h"
71 #include "amdgpu_gart.h"
76 extern int amdgpu_modeset;
77 extern int amdgpu_vram_limit;
78 extern int amdgpu_vis_vram_limit;
79 extern unsigned amdgpu_gart_size;
80 extern int amdgpu_gtt_size;
81 extern int amdgpu_moverate;
82 extern int amdgpu_benchmarking;
83 extern int amdgpu_testing;
84 extern int amdgpu_audio;
85 extern int amdgpu_disp_priority;
86 extern int amdgpu_hw_i2c;
87 extern int amdgpu_pcie_gen2;
88 extern int amdgpu_msi;
89 extern int amdgpu_lockup_timeout;
90 extern int amdgpu_dpm;
91 extern int amdgpu_fw_load_type;
92 extern int amdgpu_aspm;
93 extern int amdgpu_runtime_pm;
94 extern unsigned amdgpu_ip_block_mask;
95 extern int amdgpu_bapm;
96 extern int amdgpu_deep_color;
97 extern int amdgpu_vm_size;
98 extern int amdgpu_vm_block_size;
99 extern int amdgpu_vm_fault_stop;
100 extern int amdgpu_vm_debug;
101 extern int amdgpu_vm_update_mode;
102 extern int amdgpu_sched_jobs;
103 extern int amdgpu_sched_hw_submission;
104 extern int amdgpu_no_evict;
105 extern int amdgpu_direct_gma_size;
106 extern unsigned amdgpu_pcie_gen_cap;
107 extern unsigned amdgpu_pcie_lane_cap;
108 extern unsigned amdgpu_cg_mask;
109 extern unsigned amdgpu_pg_mask;
110 extern unsigned amdgpu_sdma_phase_quantum;
111 extern char *amdgpu_disable_cu;
112 extern char *amdgpu_virtual_display;
113 extern unsigned amdgpu_pp_feature_mask;
114 extern int amdgpu_vram_page_split;
115 extern int amdgpu_ngg;
116 extern int amdgpu_prim_buf_per_se;
117 extern int amdgpu_pos_buf_per_se;
118 extern int amdgpu_cntl_sb_buf_per_se;
119 extern int amdgpu_param_buf_per_se;
120 extern int amdgpu_job_hang_limit;
121 extern int amdgpu_lbpw;
123 #ifdef CONFIG_DRM_AMDGPU_SI
124 extern int amdgpu_si_support;
126 #ifdef CONFIG_DRM_AMDGPU_CIK
127 extern int amdgpu_cik_support;
130 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
131 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
132 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
133 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
134 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
135 #define AMDGPU_IB_POOL_SIZE 16
136 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
137 #define AMDGPUFB_CONN_LIMIT 4
138 #define AMDGPU_BIOS_NUM_SCRATCH 16
140 /* max number of IP instances */
141 #define AMDGPU_MAX_SDMA_INSTANCES 2
143 /* hard reset data */
144 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
147 #define AMDGPU_RESET_GFX (1 << 0)
148 #define AMDGPU_RESET_COMPUTE (1 << 1)
149 #define AMDGPU_RESET_DMA (1 << 2)
150 #define AMDGPU_RESET_CP (1 << 3)
151 #define AMDGPU_RESET_GRBM (1 << 4)
152 #define AMDGPU_RESET_DMA1 (1 << 5)
153 #define AMDGPU_RESET_RLC (1 << 6)
154 #define AMDGPU_RESET_SEM (1 << 7)
155 #define AMDGPU_RESET_IH (1 << 8)
156 #define AMDGPU_RESET_VMC (1 << 9)
157 #define AMDGPU_RESET_MC (1 << 10)
158 #define AMDGPU_RESET_DISPLAY (1 << 11)
159 #define AMDGPU_RESET_UVD (1 << 12)
160 #define AMDGPU_RESET_VCE (1 << 13)
161 #define AMDGPU_RESET_VCE1 (1 << 14)
163 /* GFX current status */
164 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
165 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
166 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
167 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
168 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
170 /* max cursor sizes (in pixels) */
171 #define CIK_CURSOR_WIDTH 128
172 #define CIK_CURSOR_HEIGHT 128
174 struct amdgpu_device;
176 struct amdgpu_cs_parser;
178 struct amdgpu_irq_src;
182 AMDGPU_CP_IRQ_GFX_EOP = 0,
183 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
184 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
185 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
186 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
187 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
188 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
189 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
190 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
195 enum amdgpu_sdma_irq {
196 AMDGPU_SDMA_IRQ_TRAP0 = 0,
197 AMDGPU_SDMA_IRQ_TRAP1,
202 enum amdgpu_thermal_irq {
203 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
204 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
206 AMDGPU_THERMAL_IRQ_LAST
209 enum amdgpu_kiq_irq {
210 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
211 AMDGPU_CP_KIQ_IRQ_LAST
214 int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
215 enum amd_ip_block_type block_type,
216 enum amd_clockgating_state state);
217 int amdgpu_set_powergating_state(struct amdgpu_device *adev,
218 enum amd_ip_block_type block_type,
219 enum amd_powergating_state state);
220 void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags);
221 int amdgpu_wait_for_idle(struct amdgpu_device *adev,
222 enum amd_ip_block_type block_type);
223 bool amdgpu_is_idle(struct amdgpu_device *adev,
224 enum amd_ip_block_type block_type);
226 #define AMDGPU_MAX_IP_NUM 16
228 struct amdgpu_ip_block_status {
232 bool late_initialized;
236 struct amdgpu_ip_block_version {
237 const enum amd_ip_block_type type;
241 const struct amd_ip_funcs *funcs;
244 struct amdgpu_ip_block {
245 struct amdgpu_ip_block_status status;
246 const struct amdgpu_ip_block_version *version;
249 int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
250 enum amd_ip_block_type type,
251 u32 major, u32 minor);
253 struct amdgpu_ip_block * amdgpu_get_ip_block(struct amdgpu_device *adev,
254 enum amd_ip_block_type type);
256 int amdgpu_ip_block_add(struct amdgpu_device *adev,
257 const struct amdgpu_ip_block_version *ip_block_version);
259 /* provided by hw blocks that can move/clear data. e.g., gfx or sdma */
260 struct amdgpu_buffer_funcs {
261 /* maximum bytes in a single operation */
262 uint32_t copy_max_bytes;
264 /* number of dw to reserve per operation */
265 unsigned copy_num_dw;
267 /* used for buffer migration */
268 void (*emit_copy_buffer)(struct amdgpu_ib *ib,
269 /* src addr in bytes */
271 /* dst addr in bytes */
273 /* number of byte to transfer */
274 uint32_t byte_count);
276 /* maximum bytes in a single operation */
277 uint32_t fill_max_bytes;
279 /* number of dw to reserve per operation */
280 unsigned fill_num_dw;
282 /* used for buffer clearing */
283 void (*emit_fill_buffer)(struct amdgpu_ib *ib,
284 /* value to write to memory */
286 /* dst addr in bytes */
288 /* number of byte to fill */
289 uint32_t byte_count);
292 /* provided by hw blocks that can write ptes, e.g., sdma */
293 struct amdgpu_vm_pte_funcs {
294 /* copy pte entries from GART */
295 void (*copy_pte)(struct amdgpu_ib *ib,
296 uint64_t pe, uint64_t src,
298 /* write pte one entry at a time with addr mapping */
299 void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe,
300 uint64_t value, unsigned count,
302 /* for linear pte/pde updates without addr mapping */
303 void (*set_pte_pde)(struct amdgpu_ib *ib,
305 uint64_t addr, unsigned count,
306 uint32_t incr, uint64_t flags);
309 /* provided by the gmc block */
310 struct amdgpu_gart_funcs {
311 /* flush the vm tlb via mmio */
312 void (*flush_gpu_tlb)(struct amdgpu_device *adev,
314 /* write pte/pde updates using the cpu */
315 int (*set_pte_pde)(struct amdgpu_device *adev,
316 void *cpu_pt_addr, /* cpu addr of page table */
317 uint32_t gpu_page_idx, /* pte/pde to update */
318 uint64_t addr, /* addr to write into pte/pde */
319 uint64_t flags); /* access flags */
320 /* enable/disable PRT support */
321 void (*set_prt)(struct amdgpu_device *adev, bool enable);
322 /* set pte flags based per asic */
323 uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev,
325 /* get the pde for a given mc addr */
326 u64 (*get_vm_pde)(struct amdgpu_device *adev, u64 addr);
327 uint32_t (*get_invalidate_req)(unsigned int vm_id);
330 /* provided by the ih block */
331 struct amdgpu_ih_funcs {
332 /* ring read/write ptr handling, called from interrupt context */
333 u32 (*get_wptr)(struct amdgpu_device *adev);
334 void (*decode_iv)(struct amdgpu_device *adev,
335 struct amdgpu_iv_entry *entry);
336 void (*set_rptr)(struct amdgpu_device *adev);
342 bool amdgpu_get_bios(struct amdgpu_device *adev);
343 bool amdgpu_read_bios(struct amdgpu_device *adev);
348 struct amdgpu_dummy_page {
352 int amdgpu_dummy_page_init(struct amdgpu_device *adev);
353 void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
360 #define AMDGPU_MAX_PPLL 3
362 struct amdgpu_clock {
363 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
364 struct amdgpu_pll spll;
365 struct amdgpu_pll mpll;
367 uint32_t default_mclk;
368 uint32_t default_sclk;
369 uint32_t default_dispclk;
370 uint32_t current_dispclk;
372 uint32_t max_pixel_clock;
379 #define AMDGPU_GEM_DOMAIN_MAX 0x3
380 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
382 void amdgpu_gem_object_free(struct drm_gem_object *obj);
383 int amdgpu_gem_object_open(struct drm_gem_object *obj,
384 struct drm_file *file_priv);
385 void amdgpu_gem_object_close(struct drm_gem_object *obj,
386 struct drm_file *file_priv);
387 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
388 struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
389 struct drm_gem_object *
390 amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
391 struct dma_buf_attachment *attach,
392 struct sg_table *sg);
393 struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
394 struct drm_gem_object *gobj,
396 int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
397 void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
398 struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
399 void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
400 void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
401 int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
403 /* sub-allocation manager, it has to be protected by another lock.
404 * By conception this is an helper for other part of the driver
405 * like the indirect buffer or semaphore, which both have their
408 * Principe is simple, we keep a list of sub allocation in offset
409 * order (first entry has offset == 0, last entry has the highest
412 * When allocating new object we first check if there is room at
413 * the end total_size - (last_object_offset + last_object_size) >=
414 * alloc_size. If so we allocate new object there.
416 * When there is not enough room at the end, we start waiting for
417 * each sub object until we reach object_offset+object_size >=
418 * alloc_size, this object then become the sub object we return.
420 * Alignment can't be bigger than page size.
422 * Hole are not considered for allocation to keep things simple.
423 * Assumption is that there won't be hole (all object on same
427 #define AMDGPU_SA_NUM_FENCE_LISTS 32
429 struct amdgpu_sa_manager {
430 wait_queue_head_t wq;
431 struct amdgpu_bo *bo;
432 struct list_head *hole;
433 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
434 struct list_head olist;
442 /* sub-allocation buffer */
443 struct amdgpu_sa_bo {
444 struct list_head olist;
445 struct list_head flist;
446 struct amdgpu_sa_manager *manager;
449 struct dma_fence *fence;
455 void amdgpu_gem_force_release(struct amdgpu_device *adev);
456 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
457 int alignment, u32 initial_domain,
458 u64 flags, bool kernel,
459 struct drm_gem_object **obj);
461 int amdgpu_mode_dumb_create(struct drm_file *file_priv,
462 struct drm_device *dev,
463 struct drm_mode_create_dumb *args);
464 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
465 struct drm_device *dev,
466 uint32_t handle, uint64_t *offset_p);
467 int amdgpu_fence_slab_init(void);
468 void amdgpu_fence_slab_fini(void);
471 * VMHUB structures, functions & helpers
473 struct amdgpu_vmhub {
474 uint32_t ctx0_ptb_addr_lo32;
475 uint32_t ctx0_ptb_addr_hi32;
476 uint32_t vm_inv_eng0_req;
477 uint32_t vm_inv_eng0_ack;
478 uint32_t vm_context0_cntl;
479 uint32_t vm_l2_pro_fault_status;
480 uint32_t vm_l2_pro_fault_cntl;
484 * GPU MC structures, functions & helpers
487 resource_size_t aper_size;
488 resource_size_t aper_base;
489 resource_size_t agp_base;
490 /* for some chips with <= 32MB we need to lie
491 * about vram size near mc fb location */
493 u64 visible_vram_size;
503 const struct firmware *fw; /* MC firmware */
505 struct amdgpu_irq_src vm_fault;
507 uint32_t srbm_soft_reset;
509 uint64_t stolen_size;
511 u64 shared_aperture_start;
512 u64 shared_aperture_end;
513 u64 private_aperture_start;
514 u64 private_aperture_end;
515 /* protects concurrent invalidation */
516 spinlock_t invalidate_lock;
520 * GPU doorbell structures, functions & helpers
522 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
524 AMDGPU_DOORBELL_KIQ = 0x000,
525 AMDGPU_DOORBELL_HIQ = 0x001,
526 AMDGPU_DOORBELL_DIQ = 0x002,
527 AMDGPU_DOORBELL_MEC_RING0 = 0x010,
528 AMDGPU_DOORBELL_MEC_RING1 = 0x011,
529 AMDGPU_DOORBELL_MEC_RING2 = 0x012,
530 AMDGPU_DOORBELL_MEC_RING3 = 0x013,
531 AMDGPU_DOORBELL_MEC_RING4 = 0x014,
532 AMDGPU_DOORBELL_MEC_RING5 = 0x015,
533 AMDGPU_DOORBELL_MEC_RING6 = 0x016,
534 AMDGPU_DOORBELL_MEC_RING7 = 0x017,
535 AMDGPU_DOORBELL_GFX_RING0 = 0x020,
536 AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
537 AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
538 AMDGPU_DOORBELL_IH = 0x1E8,
539 AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
540 AMDGPU_DOORBELL_INVALID = 0xFFFF
541 } AMDGPU_DOORBELL_ASSIGNMENT;
543 struct amdgpu_doorbell {
545 resource_size_t base;
546 resource_size_t size;
548 u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
552 * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
554 typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
557 * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
558 * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
559 * Compute related doorbells are allocated from 0x00 to 0x8a
563 /* kernel scheduling */
564 AMDGPU_DOORBELL64_KIQ = 0x00,
566 /* HSA interface queue and debug queue */
567 AMDGPU_DOORBELL64_HIQ = 0x01,
568 AMDGPU_DOORBELL64_DIQ = 0x02,
570 /* Compute engines */
571 AMDGPU_DOORBELL64_MEC_RING0 = 0x03,
572 AMDGPU_DOORBELL64_MEC_RING1 = 0x04,
573 AMDGPU_DOORBELL64_MEC_RING2 = 0x05,
574 AMDGPU_DOORBELL64_MEC_RING3 = 0x06,
575 AMDGPU_DOORBELL64_MEC_RING4 = 0x07,
576 AMDGPU_DOORBELL64_MEC_RING5 = 0x08,
577 AMDGPU_DOORBELL64_MEC_RING6 = 0x09,
578 AMDGPU_DOORBELL64_MEC_RING7 = 0x0a,
580 /* User queue doorbell range (128 doorbells) */
581 AMDGPU_DOORBELL64_USERQUEUE_START = 0x0b,
582 AMDGPU_DOORBELL64_USERQUEUE_END = 0x8a,
584 /* Graphics engine */
585 AMDGPU_DOORBELL64_GFX_RING0 = 0x8b,
588 * Other graphics doorbells can be allocated here: from 0x8c to 0xef
589 * Graphics voltage island aperture 1
590 * default non-graphics QWORD index is 0xF0 - 0xFF inclusive
594 AMDGPU_DOORBELL64_sDMA_ENGINE0 = 0xF0,
595 AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0 = 0xF1,
596 AMDGPU_DOORBELL64_sDMA_ENGINE1 = 0xF2,
597 AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1 = 0xF3,
599 /* Interrupt handler */
600 AMDGPU_DOORBELL64_IH = 0xF4, /* For legacy interrupt ring buffer */
601 AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */
602 AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */
604 /* VCN engine use 32 bits doorbell */
605 AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
606 AMDGPU_DOORBELL64_VCN2_3 = 0xF9,
607 AMDGPU_DOORBELL64_VCN4_5 = 0xFA,
608 AMDGPU_DOORBELL64_VCN6_7 = 0xFB,
610 /* overlap the doorbell assignment with VCN as they are mutually exclusive
611 * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
613 AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8,
614 AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9,
615 AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA,
616 AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB,
618 AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC,
619 AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD,
620 AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE,
621 AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF,
623 AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
624 AMDGPU_DOORBELL64_INVALID = 0xFFFF
625 } AMDGPU_DOORBELL64_ASSIGNMENT;
628 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
629 phys_addr_t *aperture_base,
630 size_t *aperture_size,
631 size_t *start_offset);
637 struct amdgpu_flip_work {
638 struct delayed_work flip_work;
639 struct work_struct unpin_work;
640 struct amdgpu_device *adev;
644 struct drm_pending_vblank_event *event;
645 struct amdgpu_bo *old_abo;
646 struct dma_fence *excl;
647 unsigned shared_count;
648 struct dma_fence **shared;
649 struct dma_fence_cb cb;
659 struct amdgpu_sa_bo *sa_bo;
666 extern const struct amd_sched_backend_ops amdgpu_sched_ops;
668 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
669 struct amdgpu_job **job, struct amdgpu_vm *vm);
670 int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
671 struct amdgpu_job **job);
673 void amdgpu_job_free_resources(struct amdgpu_job *job);
674 void amdgpu_job_free(struct amdgpu_job *job);
675 int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
676 struct amd_sched_entity *entity, void *owner,
677 struct dma_fence **f);
682 struct amdgpu_queue_mapper {
685 /* protected by lock */
686 struct amdgpu_ring *queue_map[AMDGPU_MAX_RINGS];
689 struct amdgpu_queue_mgr {
690 struct amdgpu_queue_mapper mapper[AMDGPU_MAX_IP_NUM];
693 int amdgpu_queue_mgr_init(struct amdgpu_device *adev,
694 struct amdgpu_queue_mgr *mgr);
695 int amdgpu_queue_mgr_fini(struct amdgpu_device *adev,
696 struct amdgpu_queue_mgr *mgr);
697 int amdgpu_queue_mgr_map(struct amdgpu_device *adev,
698 struct amdgpu_queue_mgr *mgr,
699 int hw_ip, int instance, int ring,
700 struct amdgpu_ring **out_ring);
703 * context related structures
706 struct amdgpu_ctx_ring {
708 struct dma_fence **fences;
709 struct amd_sched_entity entity;
713 struct kref refcount;
714 struct amdgpu_device *adev;
715 struct amdgpu_queue_mgr queue_mgr;
716 unsigned reset_counter;
717 spinlock_t ring_lock;
718 struct dma_fence **fences;
719 struct amdgpu_ctx_ring rings[AMDGPU_MAX_RINGS];
720 bool preamble_presented;
723 struct amdgpu_ctx_mgr {
724 struct amdgpu_device *adev;
726 /* protected by lock */
727 struct idr ctx_handles;
730 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
731 int amdgpu_ctx_put(struct amdgpu_ctx *ctx);
733 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring,
734 struct dma_fence *fence);
735 struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
736 struct amdgpu_ring *ring, uint64_t seq);
738 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
739 struct drm_file *filp);
741 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
742 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
745 * file private structure
748 struct amdgpu_fpriv {
750 struct amdgpu_bo_va *prt_va;
751 struct mutex bo_list_lock;
752 struct idr bo_list_handles;
753 struct amdgpu_ctx_mgr ctx_mgr;
754 u32 vram_lost_counter;
760 struct amdgpu_bo_list_entry {
761 struct amdgpu_bo *robj;
762 struct ttm_validate_buffer tv;
763 struct amdgpu_bo_va *bo_va;
765 struct page **user_pages;
766 int user_invalidated;
769 struct amdgpu_bo_list {
771 struct rcu_head rhead;
772 struct kref refcount;
773 struct amdgpu_bo *gds_obj;
774 struct amdgpu_bo *gws_obj;
775 struct amdgpu_bo *oa_obj;
776 unsigned first_userptr;
777 unsigned num_entries;
778 struct amdgpu_bo_list_entry *array;
781 struct amdgpu_bo_list *
782 amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
783 void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
784 struct list_head *validated);
785 void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
786 void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
791 #include "clearstate_defs.h"
793 struct amdgpu_rlc_funcs {
794 void (*enter_safe_mode)(struct amdgpu_device *adev);
795 void (*exit_safe_mode)(struct amdgpu_device *adev);
799 /* for power gating */
800 struct amdgpu_bo *save_restore_obj;
801 uint64_t save_restore_gpu_addr;
802 volatile uint32_t *sr_ptr;
805 /* for clear state */
806 struct amdgpu_bo *clear_state_obj;
807 uint64_t clear_state_gpu_addr;
808 volatile uint32_t *cs_ptr;
809 const struct cs_section_def *cs_data;
810 u32 clear_state_size;
812 struct amdgpu_bo *cp_table_obj;
813 uint64_t cp_table_gpu_addr;
814 volatile uint32_t *cp_table_ptr;
817 /* safe mode for updating CG/PG state */
819 const struct amdgpu_rlc_funcs *funcs;
821 /* for firmware data */
822 u32 save_and_restore_offset;
823 u32 clear_state_descriptor_offset;
824 u32 avail_scratch_ram_locations;
825 u32 reg_restore_list_size;
826 u32 reg_list_format_start;
827 u32 reg_list_format_separate_start;
828 u32 starting_offsets_start;
829 u32 reg_list_format_size_bytes;
830 u32 reg_list_size_bytes;
832 u32 *register_list_format;
833 u32 *register_restore;
836 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
839 struct amdgpu_bo *hpd_eop_obj;
840 u64 hpd_eop_gpu_addr;
841 struct amdgpu_bo *mec_fw_obj;
844 u32 num_pipe_per_mec;
845 u32 num_queue_per_pipe;
846 void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
848 /* These are the resources for which amdgpu takes ownership */
849 DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
854 struct amdgpu_bo *eop_obj;
855 struct mutex ring_mutex;
856 struct amdgpu_ring ring;
857 struct amdgpu_irq_src irq;
861 * GPU scratch registers structures, functions & helpers
863 struct amdgpu_scratch {
872 #define AMDGPU_GFX_MAX_SE 4
873 #define AMDGPU_GFX_MAX_SH_PER_SE 2
875 struct amdgpu_rb_config {
876 uint32_t rb_backend_disable;
877 uint32_t user_rb_backend_disable;
878 uint32_t raster_config;
879 uint32_t raster_config_1;
882 struct gb_addr_config {
883 uint16_t pipe_interleave_size;
885 uint8_t max_compress_frags;
888 uint8_t num_rb_per_se;
891 struct amdgpu_gfx_config {
892 unsigned max_shader_engines;
893 unsigned max_tile_pipes;
894 unsigned max_cu_per_sh;
895 unsigned max_sh_per_se;
896 unsigned max_backends_per_se;
897 unsigned max_texture_channel_caches;
899 unsigned max_gs_threads;
900 unsigned max_hw_contexts;
901 unsigned sc_prim_fifo_size_frontend;
902 unsigned sc_prim_fifo_size_backend;
903 unsigned sc_hiz_tile_fifo_size;
904 unsigned sc_earlyz_tile_fifo_size;
906 unsigned num_tile_pipes;
907 unsigned backend_enable_mask;
908 unsigned mem_max_burst_length_bytes;
909 unsigned mem_row_size_in_kb;
910 unsigned shader_engine_tile_size;
912 unsigned multi_gpu_tile_size;
913 unsigned mc_arb_ramcfg;
914 unsigned gb_addr_config;
916 unsigned gs_vgt_table_depth;
917 unsigned gs_prim_buffer_depth;
919 uint32_t tile_mode_array[32];
920 uint32_t macrotile_mode_array[16];
922 struct gb_addr_config gb_addr_config_fields;
923 struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
925 /* gfx configure feature */
926 uint32_t double_offchip_lds_buf;
929 struct amdgpu_cu_info {
930 uint32_t max_waves_per_simd;
931 uint32_t wave_front_size;
932 uint32_t max_scratch_slots_per_cu;
935 /* total active CU number */
938 uint32_t ao_cu_bitmap[4][4];
939 uint32_t bitmap[4][4];
942 struct amdgpu_gfx_funcs {
943 /* get the gpu clock counter */
944 uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
945 void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
946 void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
947 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);
948 void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst);
951 struct amdgpu_ngg_buf {
952 struct amdgpu_bo *bo;
967 struct amdgpu_ngg_buf buf[NGG_BUF_MAX];
968 uint32_t gds_reserve_addr;
969 uint32_t gds_reserve_size;
974 struct mutex gpu_clock_mutex;
975 struct amdgpu_gfx_config config;
976 struct amdgpu_rlc rlc;
977 struct amdgpu_mec mec;
978 struct amdgpu_kiq kiq;
979 struct amdgpu_scratch scratch;
980 const struct firmware *me_fw; /* ME firmware */
981 uint32_t me_fw_version;
982 const struct firmware *pfp_fw; /* PFP firmware */
983 uint32_t pfp_fw_version;
984 const struct firmware *ce_fw; /* CE firmware */
985 uint32_t ce_fw_version;
986 const struct firmware *rlc_fw; /* RLC firmware */
987 uint32_t rlc_fw_version;
988 const struct firmware *mec_fw; /* MEC firmware */
989 uint32_t mec_fw_version;
990 const struct firmware *mec2_fw; /* MEC2 firmware */
991 uint32_t mec2_fw_version;
992 uint32_t me_feature_version;
993 uint32_t ce_feature_version;
994 uint32_t pfp_feature_version;
995 uint32_t rlc_feature_version;
996 uint32_t mec_feature_version;
997 uint32_t mec2_feature_version;
998 struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
999 unsigned num_gfx_rings;
1000 struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
1001 unsigned num_compute_rings;
1002 struct amdgpu_irq_src eop_irq;
1003 struct amdgpu_irq_src priv_reg_irq;
1004 struct amdgpu_irq_src priv_inst_irq;
1006 uint32_t gfx_current_status;
1008 unsigned ce_ram_size;
1009 struct amdgpu_cu_info cu_info;
1010 const struct amdgpu_gfx_funcs *funcs;
1013 uint32_t grbm_soft_reset;
1014 uint32_t srbm_soft_reset;
1019 struct amdgpu_ngg ngg;
1022 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
1023 unsigned size, struct amdgpu_ib *ib);
1024 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
1025 struct dma_fence *f);
1026 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
1027 struct amdgpu_ib *ibs, struct amdgpu_job *job,
1028 struct dma_fence **f);
1029 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
1030 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
1031 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
1036 struct amdgpu_cs_chunk {
1042 struct amdgpu_cs_parser {
1043 struct amdgpu_device *adev;
1044 struct drm_file *filp;
1045 struct amdgpu_ctx *ctx;
1049 struct amdgpu_cs_chunk *chunks;
1051 /* scheduler job object */
1052 struct amdgpu_job *job;
1054 /* buffer objects */
1055 struct ww_acquire_ctx ticket;
1056 struct amdgpu_bo_list *bo_list;
1057 struct amdgpu_bo_list_entry vm_pd;
1058 struct list_head validated;
1059 struct dma_fence *fence;
1060 uint64_t bytes_moved_threshold;
1061 uint64_t bytes_moved_vis_threshold;
1062 uint64_t bytes_moved;
1063 uint64_t bytes_moved_vis;
1064 struct amdgpu_bo_list_entry *evictable;
1067 struct amdgpu_bo_list_entry uf_entry;
1069 unsigned num_post_dep_syncobjs;
1070 struct drm_syncobj **post_dep_syncobjs;
1073 #define AMDGPU_PREAMBLE_IB_PRESENT (1 << 0) /* bit set means command submit involves a preamble IB */
1074 #define AMDGPU_PREAMBLE_IB_PRESENT_FIRST (1 << 1) /* bit set means preamble IB is first presented in belonging context */
1075 #define AMDGPU_HAVE_CTX_SWITCH (1 << 2) /* bit set means context switch occured */
1078 struct amd_sched_job base;
1079 struct amdgpu_device *adev;
1080 struct amdgpu_vm *vm;
1081 struct amdgpu_ring *ring;
1082 struct amdgpu_sync sync;
1083 struct amdgpu_sync dep_sync;
1084 struct amdgpu_sync sched_sync;
1085 struct amdgpu_ib *ibs;
1086 struct dma_fence *fence; /* the hw fence */
1087 uint32_t preamble_status;
1090 uint64_t fence_ctx; /* the fence_context this job uses */
1091 bool vm_needs_flush;
1093 uint64_t vm_pd_addr;
1094 uint32_t gds_base, gds_size;
1095 uint32_t gws_base, gws_size;
1096 uint32_t oa_base, oa_size;
1098 /* user fence handling */
1100 uint64_t uf_sequence;
1103 #define to_amdgpu_job(sched_job) \
1104 container_of((sched_job), struct amdgpu_job, base)
1106 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
1107 uint32_t ib_idx, int idx)
1109 return p->job->ibs[ib_idx].ptr[idx];
1112 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
1113 uint32_t ib_idx, int idx,
1116 p->job->ibs[ib_idx].ptr[idx] = value;
1122 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1125 struct amdgpu_bo *wb_obj;
1126 volatile uint32_t *wb;
1128 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
1129 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
1132 int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
1133 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
1135 void amdgpu_get_pcie_info(struct amdgpu_device *adev);
1140 struct amdgpu_sdma_instance {
1142 const struct firmware *fw;
1143 uint32_t fw_version;
1144 uint32_t feature_version;
1146 struct amdgpu_ring ring;
1150 struct amdgpu_sdma {
1151 struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
1152 #ifdef CONFIG_DRM_AMDGPU_SI
1153 //SI DMA has a difference trap irq number for the second engine
1154 struct amdgpu_irq_src trap_irq_1;
1156 struct amdgpu_irq_src trap_irq;
1157 struct amdgpu_irq_src illegal_inst_irq;
1159 uint32_t srbm_soft_reset;
1165 enum amdgpu_firmware_load_type {
1166 AMDGPU_FW_LOAD_DIRECT = 0,
1171 struct amdgpu_firmware {
1172 struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
1173 enum amdgpu_firmware_load_type load_type;
1174 struct amdgpu_bo *fw_buf;
1175 unsigned int fw_size;
1176 unsigned int max_ucodes;
1177 /* firmwares are loaded by psp instead of smu from vega10 */
1178 const struct amdgpu_psp_funcs *funcs;
1179 struct amdgpu_bo *rbuf;
1182 /* gpu info firmware data pointer */
1183 const struct firmware *gpu_info_fw;
1189 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
1195 void amdgpu_test_moves(struct amdgpu_device *adev);
1200 #if defined(CONFIG_MMU_NOTIFIER)
1201 int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
1202 void amdgpu_mn_unregister(struct amdgpu_bo *bo);
1204 static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
1208 static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
1214 struct amdgpu_debugfs {
1215 const struct drm_info_list *files;
1219 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
1220 const struct drm_info_list *files,
1222 int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
1224 #if defined(CONFIG_DEBUG_FS)
1225 int amdgpu_debugfs_init(struct drm_minor *minor);
1228 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev);
1231 * amdgpu smumgr functions
1233 struct amdgpu_smumgr_funcs {
1234 int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
1235 int (*request_smu_load_fw)(struct amdgpu_device *adev);
1236 int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
1242 struct amdgpu_smumgr {
1243 struct amdgpu_bo *toc_buf;
1244 struct amdgpu_bo *smu_buf;
1245 /* asic priv smu data */
1247 spinlock_t smu_lock;
1248 /* smumgr functions */
1249 const struct amdgpu_smumgr_funcs *smumgr_funcs;
1250 /* ucode loading complete flag */
1255 * ASIC specific register table accessible by UMD
1257 struct amdgpu_allowed_register_entry {
1258 uint32_t reg_offset;
1263 * ASIC specific functions.
1265 struct amdgpu_asic_funcs {
1266 bool (*read_disabled_bios)(struct amdgpu_device *adev);
1267 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
1268 u8 *bios, u32 length_bytes);
1269 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
1270 u32 sh_num, u32 reg_offset, u32 *value);
1271 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
1272 int (*reset)(struct amdgpu_device *adev);
1273 /* get the reference clock */
1274 u32 (*get_xclk)(struct amdgpu_device *adev);
1275 /* MM block clocks */
1276 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
1277 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
1278 /* static power management */
1279 int (*get_pcie_lanes)(struct amdgpu_device *adev);
1280 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
1281 /* get config memsize register */
1282 u32 (*get_config_memsize)(struct amdgpu_device *adev);
1288 int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
1289 struct drm_file *filp);
1290 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
1291 struct drm_file *filp);
1293 int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
1294 struct drm_file *filp);
1295 int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
1296 struct drm_file *filp);
1297 int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
1298 struct drm_file *filp);
1299 int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
1300 struct drm_file *filp);
1301 int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
1302 struct drm_file *filp);
1303 int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
1304 struct drm_file *filp);
1305 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1306 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
1307 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
1308 struct drm_file *filp);
1310 int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
1311 struct drm_file *filp);
1313 /* VRAM scratch page for HDP bug, default vram page */
1314 struct amdgpu_vram_scratch {
1315 struct amdgpu_bo *robj;
1316 volatile uint32_t *ptr;
1323 struct amdgpu_atif_notification_cfg {
1328 struct amdgpu_atif_notifications {
1329 bool display_switch;
1330 bool expansion_mode_change;
1332 bool forced_power_state;
1333 bool system_power_state;
1334 bool display_conf_change;
1336 bool brightness_change;
1337 bool dgpu_display_event;
1340 struct amdgpu_atif_functions {
1342 bool sbios_requests;
1343 bool select_active_disp;
1345 bool get_tv_standard;
1346 bool set_tv_standard;
1347 bool get_panel_expansion_mode;
1348 bool set_panel_expansion_mode;
1349 bool temperature_change;
1350 bool graphics_device_types;
1353 struct amdgpu_atif {
1354 struct amdgpu_atif_notifications notifications;
1355 struct amdgpu_atif_functions functions;
1356 struct amdgpu_atif_notification_cfg notification_cfg;
1357 struct amdgpu_encoder *encoder_for_bl;
1360 struct amdgpu_atcs_functions {
1364 bool pcie_bus_width;
1367 struct amdgpu_atcs {
1368 struct amdgpu_atcs_functions functions;
1374 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
1375 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
1378 * Core structure, functions and helpers.
1380 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
1381 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1383 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
1384 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
1386 #define AMDGPU_RESET_MAGIC_NUM 64
1387 struct amdgpu_device {
1389 struct drm_device *ddev;
1390 struct pci_dev *pdev;
1392 #ifdef CONFIG_DRM_AMD_ACP
1393 struct amdgpu_acp acp;
1397 enum amd_asic_type asic_type;
1400 uint32_t external_rev_id;
1401 unsigned long flags;
1403 const struct amdgpu_asic_funcs *asic_funcs;
1407 struct work_struct reset_work;
1408 struct notifier_block acpi_nb;
1409 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
1410 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1411 unsigned debugfs_count;
1412 #if defined(CONFIG_DEBUG_FS)
1413 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
1415 struct amdgpu_atif atif;
1416 struct amdgpu_atcs atcs;
1417 struct mutex srbm_mutex;
1418 /* GRBM index mutex. Protects concurrent access to GRBM index */
1419 struct mutex grbm_idx_mutex;
1420 struct dev_pm_domain vga_pm_domain;
1421 bool have_disp_power_ref;
1427 struct amdgpu_bo *stolen_vga_memory;
1428 uint32_t bios_scratch_reg_offset;
1429 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
1431 /* Register/doorbell mmio */
1432 resource_size_t rmmio_base;
1433 resource_size_t rmmio_size;
1434 void __iomem *rmmio;
1435 /* protects concurrent MM_INDEX/DATA based register access */
1436 spinlock_t mmio_idx_lock;
1437 /* protects concurrent SMC based register access */
1438 spinlock_t smc_idx_lock;
1439 amdgpu_rreg_t smc_rreg;
1440 amdgpu_wreg_t smc_wreg;
1441 /* protects concurrent PCIE register access */
1442 spinlock_t pcie_idx_lock;
1443 amdgpu_rreg_t pcie_rreg;
1444 amdgpu_wreg_t pcie_wreg;
1445 amdgpu_rreg_t pciep_rreg;
1446 amdgpu_wreg_t pciep_wreg;
1447 /* protects concurrent UVD register access */
1448 spinlock_t uvd_ctx_idx_lock;
1449 amdgpu_rreg_t uvd_ctx_rreg;
1450 amdgpu_wreg_t uvd_ctx_wreg;
1451 /* protects concurrent DIDT register access */
1452 spinlock_t didt_idx_lock;
1453 amdgpu_rreg_t didt_rreg;
1454 amdgpu_wreg_t didt_wreg;
1455 /* protects concurrent gc_cac register access */
1456 spinlock_t gc_cac_idx_lock;
1457 amdgpu_rreg_t gc_cac_rreg;
1458 amdgpu_wreg_t gc_cac_wreg;
1459 /* protects concurrent se_cac register access */
1460 spinlock_t se_cac_idx_lock;
1461 amdgpu_rreg_t se_cac_rreg;
1462 amdgpu_wreg_t se_cac_wreg;
1463 /* protects concurrent ENDPOINT (audio) register access */
1464 spinlock_t audio_endpt_idx_lock;
1465 amdgpu_block_rreg_t audio_endpt_rreg;
1466 amdgpu_block_wreg_t audio_endpt_wreg;
1467 void __iomem *rio_mem;
1468 resource_size_t rio_mem_size;
1469 struct amdgpu_doorbell doorbell;
1471 /* clock/pll info */
1472 struct amdgpu_clock clock;
1475 struct amdgpu_mc mc;
1476 struct amdgpu_gart gart;
1477 struct amdgpu_dummy_page dummy_page;
1478 struct amdgpu_vm_manager vm_manager;
1479 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
1481 /* memory management */
1482 struct amdgpu_mman mman;
1483 struct amdgpu_vram_scratch vram_scratch;
1484 struct amdgpu_wb wb;
1485 atomic64_t vram_usage;
1486 atomic64_t vram_vis_usage;
1487 atomic64_t gtt_usage;
1488 atomic64_t num_bytes_moved;
1489 atomic64_t num_evictions;
1490 atomic64_t num_vram_cpu_page_faults;
1491 atomic_t gpu_reset_counter;
1492 atomic_t vram_lost_counter;
1494 /* data for buffer migration throttling */
1498 s64 accum_us; /* accumulated microseconds */
1499 s64 accum_us_vis; /* for visible VRAM */
1504 bool enable_virtual_display;
1505 struct amdgpu_mode_info mode_info;
1506 struct work_struct hotplug_work;
1507 struct amdgpu_irq_src crtc_irq;
1508 struct amdgpu_irq_src pageflip_irq;
1509 struct amdgpu_irq_src hpd_irq;
1514 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
1516 struct amdgpu_sa_manager ring_tmp_bo;
1519 struct amdgpu_irq irq;
1522 struct amd_powerplay powerplay;
1524 bool pp_force_state_enabled;
1527 struct amdgpu_pm pm;
1532 struct amdgpu_smumgr smu;
1535 struct amdgpu_gfx gfx;
1538 struct amdgpu_sdma sdma;
1543 struct amdgpu_uvd uvd;
1546 struct amdgpu_vce vce;
1550 struct amdgpu_vcn vcn;
1554 struct amdgpu_firmware firmware;
1557 struct psp_context psp;
1560 struct amdgpu_gds gds;
1562 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
1564 struct mutex mn_lock;
1565 DECLARE_HASHTABLE(mn_hash, 7);
1567 /* tracking pinned memory */
1569 u64 invisible_pin_size;
1572 /* amdkfd interface */
1573 struct kfd_dev *kfd;
1575 /* delayed work_func for deferring clockgating during resume */
1576 struct delayed_work late_init_work;
1578 struct amdgpu_virt virt;
1580 /* link all shadow bo */
1581 struct list_head shadow_list;
1582 struct mutex shadow_list_lock;
1584 spinlock_t gtt_list_lock;
1585 struct list_head gtt_list;
1586 /* keep an lru list of rings by HW IP */
1587 struct list_head ring_lru_list;
1588 spinlock_t ring_lru_list_lock;
1590 /* record hw reset is performed */
1592 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
1594 /* record last mm index being written through WREG32*/
1595 unsigned long last_mm_index;
1598 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
1600 return container_of(bdev, struct amdgpu_device, mman.bdev);
1603 int amdgpu_device_init(struct amdgpu_device *adev,
1604 struct drm_device *ddev,
1605 struct pci_dev *pdev,
1607 void amdgpu_device_fini(struct amdgpu_device *adev);
1608 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1610 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
1611 uint32_t acc_flags);
1612 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1613 uint32_t acc_flags);
1614 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1615 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1617 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
1618 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
1619 u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
1620 void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
1623 * Registers read & write functions.
1626 #define AMDGPU_REGS_IDX (1<<0)
1627 #define AMDGPU_REGS_NO_KIQ (1<<1)
1629 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1630 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1632 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1633 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1634 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1635 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1636 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1637 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1638 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1639 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1640 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1641 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1642 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1643 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1644 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1645 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1646 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1647 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1648 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1649 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1650 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1651 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1652 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1653 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1654 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1655 #define WREG32_P(reg, val, mask) \
1657 uint32_t tmp_ = RREG32(reg); \
1659 tmp_ |= ((val) & ~(mask)); \
1660 WREG32(reg, tmp_); \
1662 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1663 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1664 #define WREG32_PLL_P(reg, val, mask) \
1666 uint32_t tmp_ = RREG32_PLL(reg); \
1668 tmp_ |= ((val) & ~(mask)); \
1669 WREG32_PLL(reg, tmp_); \
1671 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1672 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1673 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1675 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
1676 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
1677 #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
1678 #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
1680 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1681 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1683 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1684 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1685 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1687 #define REG_GET_FIELD(value, reg, field) \
1688 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1690 #define WREG32_FIELD(reg, field, val) \
1691 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1693 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1694 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1699 #define RBIOS8(i) (adev->bios[i])
1700 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1701 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1703 static inline struct amdgpu_sdma_instance *
1704 amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
1706 struct amdgpu_device *adev = ring->adev;
1709 for (i = 0; i < adev->sdma.num_instances; i++)
1710 if (&adev->sdma.instance[i].ring == ring)
1713 if (i < AMDGPU_MAX_SDMA_INSTANCES)
1714 return &adev->sdma.instance[i];
1722 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1723 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1724 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1725 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1726 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1727 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1728 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1729 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1730 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1731 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1732 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1733 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1734 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
1735 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
1736 #define amdgpu_gart_get_vm_pde(adev, addr) (adev)->gart.gart_funcs->get_vm_pde((adev), (addr))
1737 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
1738 #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr)))
1739 #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)))
1740 #define amdgpu_vm_get_pte_flags(adev, flags) (adev)->gart.gart_funcs->get_vm_pte_flags((adev),(flags))
1741 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
1742 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
1743 #define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t))
1744 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
1745 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
1746 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
1747 #define amdgpu_ring_emit_ib(r, ib, vm_id, c) (r)->funcs->emit_ib((r), (ib), (vm_id), (c))
1748 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
1749 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
1750 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
1751 #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))
1752 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
1753 #define amdgpu_ring_emit_hdp_invalidate(r) (r)->funcs->emit_hdp_invalidate((r))
1754 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
1755 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
1756 #define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))
1757 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
1758 #define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b))
1759 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
1760 #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
1761 #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
1762 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
1763 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
1764 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
1765 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
1766 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
1767 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
1768 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
1769 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
1770 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
1771 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
1772 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
1773 #define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async))
1774 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
1775 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
1776 #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))
1777 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b))
1778 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
1779 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
1780 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
1781 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
1782 #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
1784 /* Common functions */
1785 int amdgpu_gpu_reset(struct amdgpu_device *adev);
1786 bool amdgpu_need_backup(struct amdgpu_device *adev);
1787 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
1788 bool amdgpu_need_post(struct amdgpu_device *adev);
1789 void amdgpu_update_display_priority(struct amdgpu_device *adev);
1791 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1793 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
1794 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
1795 int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages);
1796 int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
1798 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
1799 struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm);
1800 bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start,
1802 bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm,
1803 int *last_invalidated);
1804 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
1805 uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
1806 struct ttm_mem_reg *mem);
1807 void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
1808 void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
1809 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
1810 int amdgpu_ttm_init(struct amdgpu_device *adev);
1811 void amdgpu_ttm_fini(struct amdgpu_device *adev);
1812 void amdgpu_program_register_sequence(struct amdgpu_device *adev,
1813 const u32 *registers,
1814 const u32 array_size);
1816 bool amdgpu_device_is_px(struct drm_device *dev);
1818 #if defined(CONFIG_VGA_SWITCHEROO)
1819 void amdgpu_register_atpx_handler(void);
1820 void amdgpu_unregister_atpx_handler(void);
1821 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1822 bool amdgpu_is_atpx_hybrid(void);
1823 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1824 bool amdgpu_has_atpx(void);
1826 static inline void amdgpu_register_atpx_handler(void) {}
1827 static inline void amdgpu_unregister_atpx_handler(void) {}
1828 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1829 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1830 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1831 static inline bool amdgpu_has_atpx(void) { return false; }
1837 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1838 extern const int amdgpu_max_kms_ioctl;
1840 bool amdgpu_kms_vram_lost(struct amdgpu_device *adev,
1841 struct amdgpu_fpriv *fpriv);
1842 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1843 void amdgpu_driver_unload_kms(struct drm_device *dev);
1844 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1845 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1846 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1847 struct drm_file *file_priv);
1848 int amdgpu_suspend(struct amdgpu_device *adev);
1849 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1850 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1851 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1852 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1853 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1854 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1858 * functions used by amdgpu_encoder.c
1860 struct amdgpu_afmt_acr {
1874 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1877 #if defined(CONFIG_ACPI)
1878 int amdgpu_acpi_init(struct amdgpu_device *adev);
1879 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1880 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1881 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1882 u8 perf_req, bool advertise);
1883 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1885 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1886 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1889 struct amdgpu_bo_va_mapping *
1890 amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1891 uint64_t addr, struct amdgpu_bo **bo);
1892 int amdgpu_cs_sysvm_access_required(struct amdgpu_cs_parser *parser);
1894 #include "amdgpu_object.h"