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/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_gds.h"
55 #include "amd_powerplay.h"
57 #include "gpu_scheduler.h"
62 extern int amdgpu_modeset
;
63 extern int amdgpu_vram_limit
;
64 extern int amdgpu_gart_size
;
65 extern int amdgpu_benchmarking
;
66 extern int amdgpu_testing
;
67 extern int amdgpu_audio
;
68 extern int amdgpu_disp_priority
;
69 extern int amdgpu_hw_i2c
;
70 extern int amdgpu_pcie_gen2
;
71 extern int amdgpu_msi
;
72 extern int amdgpu_lockup_timeout
;
73 extern int amdgpu_dpm
;
74 extern int amdgpu_smc_load_fw
;
75 extern int amdgpu_aspm
;
76 extern int amdgpu_runtime_pm
;
77 extern int amdgpu_hard_reset
;
78 extern unsigned amdgpu_ip_block_mask
;
79 extern int amdgpu_bapm
;
80 extern int amdgpu_deep_color
;
81 extern int amdgpu_vm_size
;
82 extern int amdgpu_vm_block_size
;
83 extern int amdgpu_vm_fault_stop
;
84 extern int amdgpu_vm_debug
;
85 extern int amdgpu_enable_scheduler
;
86 extern int amdgpu_sched_jobs
;
87 extern int amdgpu_sched_hw_submission
;
88 extern int amdgpu_enable_semaphores
;
89 extern int amdgpu_powerplay
;
91 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
92 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
93 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
94 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
95 #define AMDGPU_IB_POOL_SIZE 16
96 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
97 #define AMDGPUFB_CONN_LIMIT 4
98 #define AMDGPU_BIOS_NUM_SCRATCH 8
100 /* max number of rings */
101 #define AMDGPU_MAX_RINGS 16
102 #define AMDGPU_MAX_GFX_RINGS 1
103 #define AMDGPU_MAX_COMPUTE_RINGS 8
104 #define AMDGPU_MAX_VCE_RINGS 2
106 /* max number of IP instances */
107 #define AMDGPU_MAX_SDMA_INSTANCES 2
109 /* number of hw syncs before falling back on blocking */
110 #define AMDGPU_NUM_SYNCS 4
112 /* hardcode that limit for now */
113 #define AMDGPU_VA_RESERVED_SIZE (8 << 20)
115 /* hard reset data */
116 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
119 #define AMDGPU_RESET_GFX (1 << 0)
120 #define AMDGPU_RESET_COMPUTE (1 << 1)
121 #define AMDGPU_RESET_DMA (1 << 2)
122 #define AMDGPU_RESET_CP (1 << 3)
123 #define AMDGPU_RESET_GRBM (1 << 4)
124 #define AMDGPU_RESET_DMA1 (1 << 5)
125 #define AMDGPU_RESET_RLC (1 << 6)
126 #define AMDGPU_RESET_SEM (1 << 7)
127 #define AMDGPU_RESET_IH (1 << 8)
128 #define AMDGPU_RESET_VMC (1 << 9)
129 #define AMDGPU_RESET_MC (1 << 10)
130 #define AMDGPU_RESET_DISPLAY (1 << 11)
131 #define AMDGPU_RESET_UVD (1 << 12)
132 #define AMDGPU_RESET_VCE (1 << 13)
133 #define AMDGPU_RESET_VCE1 (1 << 14)
136 #define AMDGPU_CG_BLOCK_GFX (1 << 0)
137 #define AMDGPU_CG_BLOCK_MC (1 << 1)
138 #define AMDGPU_CG_BLOCK_SDMA (1 << 2)
139 #define AMDGPU_CG_BLOCK_UVD (1 << 3)
140 #define AMDGPU_CG_BLOCK_VCE (1 << 4)
141 #define AMDGPU_CG_BLOCK_HDP (1 << 5)
142 #define AMDGPU_CG_BLOCK_BIF (1 << 6)
145 #define AMDGPU_CG_SUPPORT_GFX_MGCG (1 << 0)
146 #define AMDGPU_CG_SUPPORT_GFX_MGLS (1 << 1)
147 #define AMDGPU_CG_SUPPORT_GFX_CGCG (1 << 2)
148 #define AMDGPU_CG_SUPPORT_GFX_CGLS (1 << 3)
149 #define AMDGPU_CG_SUPPORT_GFX_CGTS (1 << 4)
150 #define AMDGPU_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
151 #define AMDGPU_CG_SUPPORT_GFX_CP_LS (1 << 6)
152 #define AMDGPU_CG_SUPPORT_GFX_RLC_LS (1 << 7)
153 #define AMDGPU_CG_SUPPORT_MC_LS (1 << 8)
154 #define AMDGPU_CG_SUPPORT_MC_MGCG (1 << 9)
155 #define AMDGPU_CG_SUPPORT_SDMA_LS (1 << 10)
156 #define AMDGPU_CG_SUPPORT_SDMA_MGCG (1 << 11)
157 #define AMDGPU_CG_SUPPORT_BIF_LS (1 << 12)
158 #define AMDGPU_CG_SUPPORT_UVD_MGCG (1 << 13)
159 #define AMDGPU_CG_SUPPORT_VCE_MGCG (1 << 14)
160 #define AMDGPU_CG_SUPPORT_HDP_LS (1 << 15)
161 #define AMDGPU_CG_SUPPORT_HDP_MGCG (1 << 16)
164 #define AMDGPU_PG_SUPPORT_GFX_PG (1 << 0)
165 #define AMDGPU_PG_SUPPORT_GFX_SMG (1 << 1)
166 #define AMDGPU_PG_SUPPORT_GFX_DMG (1 << 2)
167 #define AMDGPU_PG_SUPPORT_UVD (1 << 3)
168 #define AMDGPU_PG_SUPPORT_VCE (1 << 4)
169 #define AMDGPU_PG_SUPPORT_CP (1 << 5)
170 #define AMDGPU_PG_SUPPORT_GDS (1 << 6)
171 #define AMDGPU_PG_SUPPORT_RLC_SMU_HS (1 << 7)
172 #define AMDGPU_PG_SUPPORT_SDMA (1 << 8)
173 #define AMDGPU_PG_SUPPORT_ACP (1 << 9)
174 #define AMDGPU_PG_SUPPORT_SAMU (1 << 10)
176 /* GFX current status */
177 #define AMDGPU_GFX_NORMAL_MODE 0x00000000L
178 #define AMDGPU_GFX_SAFE_MODE 0x00000001L
179 #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
180 #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
181 #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
183 /* max cursor sizes (in pixels) */
184 #define CIK_CURSOR_WIDTH 128
185 #define CIK_CURSOR_HEIGHT 128
187 struct amdgpu_device
;
192 struct amdgpu_semaphore
;
193 struct amdgpu_cs_parser
;
195 struct amdgpu_irq_src
;
199 AMDGPU_CP_IRQ_GFX_EOP
= 0,
200 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
,
201 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP
,
202 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP
,
203 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP
,
204 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP
,
205 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP
,
206 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP
,
207 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP
,
212 enum amdgpu_sdma_irq
{
213 AMDGPU_SDMA_IRQ_TRAP0
= 0,
214 AMDGPU_SDMA_IRQ_TRAP1
,
219 enum amdgpu_thermal_irq
{
220 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH
= 0,
221 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW
,
223 AMDGPU_THERMAL_IRQ_LAST
226 int amdgpu_set_clockgating_state(struct amdgpu_device
*adev
,
227 enum amd_ip_block_type block_type
,
228 enum amd_clockgating_state state
);
229 int amdgpu_set_powergating_state(struct amdgpu_device
*adev
,
230 enum amd_ip_block_type block_type
,
231 enum amd_powergating_state state
);
233 struct amdgpu_ip_block_version
{
234 enum amd_ip_block_type type
;
238 const struct amd_ip_funcs
*funcs
;
241 int amdgpu_ip_block_version_cmp(struct amdgpu_device
*adev
,
242 enum amd_ip_block_type type
,
243 u32 major
, u32 minor
);
245 const struct amdgpu_ip_block_version
* amdgpu_get_ip_block(
246 struct amdgpu_device
*adev
,
247 enum amd_ip_block_type type
);
249 /* provided by hw blocks that can move/clear data. e.g., gfx or sdma */
250 struct amdgpu_buffer_funcs
{
251 /* maximum bytes in a single operation */
252 uint32_t copy_max_bytes
;
254 /* number of dw to reserve per operation */
255 unsigned copy_num_dw
;
257 /* used for buffer migration */
258 void (*emit_copy_buffer
)(struct amdgpu_ib
*ib
,
259 /* src addr in bytes */
261 /* dst addr in bytes */
263 /* number of byte to transfer */
264 uint32_t byte_count
);
266 /* maximum bytes in a single operation */
267 uint32_t fill_max_bytes
;
269 /* number of dw to reserve per operation */
270 unsigned fill_num_dw
;
272 /* used for buffer clearing */
273 void (*emit_fill_buffer
)(struct amdgpu_ib
*ib
,
274 /* value to write to memory */
276 /* dst addr in bytes */
278 /* number of byte to fill */
279 uint32_t byte_count
);
282 /* provided by hw blocks that can write ptes, e.g., sdma */
283 struct amdgpu_vm_pte_funcs
{
284 /* copy pte entries from GART */
285 void (*copy_pte
)(struct amdgpu_ib
*ib
,
286 uint64_t pe
, uint64_t src
,
288 /* write pte one entry at a time with addr mapping */
289 void (*write_pte
)(struct amdgpu_ib
*ib
,
291 uint64_t addr
, unsigned count
,
292 uint32_t incr
, uint32_t flags
);
293 /* for linear pte/pde updates without addr mapping */
294 void (*set_pte_pde
)(struct amdgpu_ib
*ib
,
296 uint64_t addr
, unsigned count
,
297 uint32_t incr
, uint32_t flags
);
298 /* pad the indirect buffer to the necessary number of dw */
299 void (*pad_ib
)(struct amdgpu_ib
*ib
);
302 /* provided by the gmc block */
303 struct amdgpu_gart_funcs
{
304 /* flush the vm tlb via mmio */
305 void (*flush_gpu_tlb
)(struct amdgpu_device
*adev
,
307 /* write pte/pde updates using the cpu */
308 int (*set_pte_pde
)(struct amdgpu_device
*adev
,
309 void *cpu_pt_addr
, /* cpu addr of page table */
310 uint32_t gpu_page_idx
, /* pte/pde to update */
311 uint64_t addr
, /* addr to write into pte/pde */
312 uint32_t flags
); /* access flags */
315 /* provided by the ih block */
316 struct amdgpu_ih_funcs
{
317 /* ring read/write ptr handling, called from interrupt context */
318 u32 (*get_wptr
)(struct amdgpu_device
*adev
);
319 void (*decode_iv
)(struct amdgpu_device
*adev
,
320 struct amdgpu_iv_entry
*entry
);
321 void (*set_rptr
)(struct amdgpu_device
*adev
);
324 /* provided by hw blocks that expose a ring buffer for commands */
325 struct amdgpu_ring_funcs
{
326 /* ring read/write ptr handling */
327 u32 (*get_rptr
)(struct amdgpu_ring
*ring
);
328 u32 (*get_wptr
)(struct amdgpu_ring
*ring
);
329 void (*set_wptr
)(struct amdgpu_ring
*ring
);
330 /* validating and patching of IBs */
331 int (*parse_cs
)(struct amdgpu_cs_parser
*p
, uint32_t ib_idx
);
332 /* command emit functions */
333 void (*emit_ib
)(struct amdgpu_ring
*ring
,
334 struct amdgpu_ib
*ib
);
335 void (*emit_fence
)(struct amdgpu_ring
*ring
, uint64_t addr
,
336 uint64_t seq
, unsigned flags
);
337 bool (*emit_semaphore
)(struct amdgpu_ring
*ring
,
338 struct amdgpu_semaphore
*semaphore
,
340 void (*emit_vm_flush
)(struct amdgpu_ring
*ring
, unsigned vm_id
,
342 void (*emit_hdp_flush
)(struct amdgpu_ring
*ring
);
343 void (*emit_gds_switch
)(struct amdgpu_ring
*ring
, uint32_t vmid
,
344 uint32_t gds_base
, uint32_t gds_size
,
345 uint32_t gws_base
, uint32_t gws_size
,
346 uint32_t oa_base
, uint32_t oa_size
);
347 /* testing functions */
348 int (*test_ring
)(struct amdgpu_ring
*ring
);
349 int (*test_ib
)(struct amdgpu_ring
*ring
);
350 /* insert NOP packets */
351 void (*insert_nop
)(struct amdgpu_ring
*ring
, uint32_t count
);
357 bool amdgpu_get_bios(struct amdgpu_device
*adev
);
358 bool amdgpu_read_bios(struct amdgpu_device
*adev
);
363 struct amdgpu_dummy_page
{
367 int amdgpu_dummy_page_init(struct amdgpu_device
*adev
);
368 void amdgpu_dummy_page_fini(struct amdgpu_device
*adev
);
375 #define AMDGPU_MAX_PPLL 3
377 struct amdgpu_clock
{
378 struct amdgpu_pll ppll
[AMDGPU_MAX_PPLL
];
379 struct amdgpu_pll spll
;
380 struct amdgpu_pll mpll
;
382 uint32_t default_mclk
;
383 uint32_t default_sclk
;
384 uint32_t default_dispclk
;
385 uint32_t current_dispclk
;
387 uint32_t max_pixel_clock
;
393 struct amdgpu_fence_driver
{
395 volatile uint32_t *cpu_addr
;
396 /* sync_seq is protected by ring emission lock */
397 uint64_t sync_seq
[AMDGPU_MAX_RINGS
];
400 struct amdgpu_irq_src
*irq_src
;
402 struct timer_list fallback_timer
;
403 wait_queue_head_t fence_queue
;
406 /* some special values for the owner field */
407 #define AMDGPU_FENCE_OWNER_UNDEFINED ((void*)0ul)
408 #define AMDGPU_FENCE_OWNER_VM ((void*)1ul)
410 #define AMDGPU_FENCE_FLAG_64BIT (1 << 0)
411 #define AMDGPU_FENCE_FLAG_INT (1 << 1)
413 struct amdgpu_fence
{
417 struct amdgpu_ring
*ring
;
420 /* filp or special value for fence creator */
423 wait_queue_t fence_wake
;
426 struct amdgpu_user_fence
{
428 struct amdgpu_bo
*bo
;
429 /* write-back address offset to bo start */
433 int amdgpu_fence_driver_init(struct amdgpu_device
*adev
);
434 void amdgpu_fence_driver_fini(struct amdgpu_device
*adev
);
435 void amdgpu_fence_driver_force_completion(struct amdgpu_device
*adev
);
437 int amdgpu_fence_driver_init_ring(struct amdgpu_ring
*ring
);
438 int amdgpu_fence_driver_start_ring(struct amdgpu_ring
*ring
,
439 struct amdgpu_irq_src
*irq_src
,
441 void amdgpu_fence_driver_suspend(struct amdgpu_device
*adev
);
442 void amdgpu_fence_driver_resume(struct amdgpu_device
*adev
);
443 int amdgpu_fence_emit(struct amdgpu_ring
*ring
, void *owner
,
444 struct amdgpu_fence
**fence
);
445 void amdgpu_fence_process(struct amdgpu_ring
*ring
);
446 int amdgpu_fence_wait_next(struct amdgpu_ring
*ring
);
447 int amdgpu_fence_wait_empty(struct amdgpu_ring
*ring
);
448 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring
*ring
);
450 bool amdgpu_fence_need_sync(struct amdgpu_fence
*fence
,
451 struct amdgpu_ring
*ring
);
452 void amdgpu_fence_note_sync(struct amdgpu_fence
*fence
,
453 struct amdgpu_ring
*ring
);
459 struct ttm_bo_global_ref bo_global_ref
;
460 struct drm_global_reference mem_global_ref
;
461 struct ttm_bo_device bdev
;
462 bool mem_global_referenced
;
465 #if defined(CONFIG_DEBUG_FS)
470 /* buffer handling */
471 const struct amdgpu_buffer_funcs
*buffer_funcs
;
472 struct amdgpu_ring
*buffer_funcs_ring
;
475 int amdgpu_copy_buffer(struct amdgpu_ring
*ring
,
479 struct reservation_object
*resv
,
480 struct fence
**fence
);
481 int amdgpu_mmap(struct file
*filp
, struct vm_area_struct
*vma
);
483 struct amdgpu_bo_list_entry
{
484 struct amdgpu_bo
*robj
;
485 struct ttm_validate_buffer tv
;
486 struct amdgpu_bo_va
*bo_va
;
487 unsigned prefered_domains
;
488 unsigned allowed_domains
;
492 struct amdgpu_bo_va_mapping
{
493 struct list_head list
;
494 struct interval_tree_node it
;
499 /* bo virtual addresses in a specific vm */
500 struct amdgpu_bo_va
{
502 /* protected by bo being reserved */
503 struct list_head bo_list
;
504 struct fence
*last_pt_update
;
507 /* protected by vm mutex and spinlock */
508 struct list_head vm_status
;
510 /* mappings for this bo_va */
511 struct list_head invalids
;
512 struct list_head valids
;
514 /* constant after initialization */
515 struct amdgpu_vm
*vm
;
516 struct amdgpu_bo
*bo
;
519 #define AMDGPU_GEM_DOMAIN_MAX 0x3
522 /* Protected by gem.mutex */
523 struct list_head list
;
524 /* Protected by tbo.reserved */
526 struct ttm_place placements
[AMDGPU_GEM_DOMAIN_MAX
+ 1];
527 struct ttm_placement placement
;
528 struct ttm_buffer_object tbo
;
529 struct ttm_bo_kmap_obj kmap
;
537 /* list of all virtual address to which this bo
541 /* Constant after initialization */
542 struct amdgpu_device
*adev
;
543 struct drm_gem_object gem_base
;
544 struct amdgpu_bo
*parent
;
546 struct ttm_bo_kmap_obj dma_buf_vmap
;
548 struct amdgpu_mn
*mn
;
549 struct list_head mn_list
;
551 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
553 void amdgpu_gem_object_free(struct drm_gem_object
*obj
);
554 int amdgpu_gem_object_open(struct drm_gem_object
*obj
,
555 struct drm_file
*file_priv
);
556 void amdgpu_gem_object_close(struct drm_gem_object
*obj
,
557 struct drm_file
*file_priv
);
558 unsigned long amdgpu_gem_timeout(uint64_t timeout_ns
);
559 struct sg_table
*amdgpu_gem_prime_get_sg_table(struct drm_gem_object
*obj
);
560 struct drm_gem_object
*amdgpu_gem_prime_import_sg_table(struct drm_device
*dev
,
561 struct dma_buf_attachment
*attach
,
562 struct sg_table
*sg
);
563 struct dma_buf
*amdgpu_gem_prime_export(struct drm_device
*dev
,
564 struct drm_gem_object
*gobj
,
566 int amdgpu_gem_prime_pin(struct drm_gem_object
*obj
);
567 void amdgpu_gem_prime_unpin(struct drm_gem_object
*obj
);
568 struct reservation_object
*amdgpu_gem_prime_res_obj(struct drm_gem_object
*);
569 void *amdgpu_gem_prime_vmap(struct drm_gem_object
*obj
);
570 void amdgpu_gem_prime_vunmap(struct drm_gem_object
*obj
, void *vaddr
);
571 int amdgpu_gem_debugfs_init(struct amdgpu_device
*adev
);
573 /* sub-allocation manager, it has to be protected by another lock.
574 * By conception this is an helper for other part of the driver
575 * like the indirect buffer or semaphore, which both have their
578 * Principe is simple, we keep a list of sub allocation in offset
579 * order (first entry has offset == 0, last entry has the highest
582 * When allocating new object we first check if there is room at
583 * the end total_size - (last_object_offset + last_object_size) >=
584 * alloc_size. If so we allocate new object there.
586 * When there is not enough room at the end, we start waiting for
587 * each sub object until we reach object_offset+object_size >=
588 * alloc_size, this object then become the sub object we return.
590 * Alignment can't be bigger than page size.
592 * Hole are not considered for allocation to keep things simple.
593 * Assumption is that there won't be hole (all object on same
596 struct amdgpu_sa_manager
{
597 wait_queue_head_t wq
;
598 struct amdgpu_bo
*bo
;
599 struct list_head
*hole
;
600 struct list_head flist
[AMDGPU_MAX_RINGS
];
601 struct list_head olist
;
611 /* sub-allocation buffer */
612 struct amdgpu_sa_bo
{
613 struct list_head olist
;
614 struct list_head flist
;
615 struct amdgpu_sa_manager
*manager
;
626 struct list_head objects
;
629 int amdgpu_gem_init(struct amdgpu_device
*adev
);
630 void amdgpu_gem_fini(struct amdgpu_device
*adev
);
631 int amdgpu_gem_object_create(struct amdgpu_device
*adev
, unsigned long size
,
632 int alignment
, u32 initial_domain
,
633 u64 flags
, bool kernel
,
634 struct drm_gem_object
**obj
);
636 int amdgpu_mode_dumb_create(struct drm_file
*file_priv
,
637 struct drm_device
*dev
,
638 struct drm_mode_create_dumb
*args
);
639 int amdgpu_mode_dumb_mmap(struct drm_file
*filp
,
640 struct drm_device
*dev
,
641 uint32_t handle
, uint64_t *offset_p
);
646 struct amdgpu_semaphore
{
647 struct amdgpu_sa_bo
*sa_bo
;
652 int amdgpu_semaphore_create(struct amdgpu_device
*adev
,
653 struct amdgpu_semaphore
**semaphore
);
654 bool amdgpu_semaphore_emit_signal(struct amdgpu_ring
*ring
,
655 struct amdgpu_semaphore
*semaphore
);
656 bool amdgpu_semaphore_emit_wait(struct amdgpu_ring
*ring
,
657 struct amdgpu_semaphore
*semaphore
);
658 void amdgpu_semaphore_free(struct amdgpu_device
*adev
,
659 struct amdgpu_semaphore
**semaphore
,
660 struct fence
*fence
);
666 struct amdgpu_semaphore
*semaphores
[AMDGPU_NUM_SYNCS
];
667 struct fence
*sync_to
[AMDGPU_MAX_RINGS
];
668 DECLARE_HASHTABLE(fences
, 4);
669 struct fence
*last_vm_update
;
672 void amdgpu_sync_create(struct amdgpu_sync
*sync
);
673 int amdgpu_sync_fence(struct amdgpu_device
*adev
, struct amdgpu_sync
*sync
,
675 int amdgpu_sync_resv(struct amdgpu_device
*adev
,
676 struct amdgpu_sync
*sync
,
677 struct reservation_object
*resv
,
679 int amdgpu_sync_rings(struct amdgpu_sync
*sync
,
680 struct amdgpu_ring
*ring
);
681 struct fence
*amdgpu_sync_get_fence(struct amdgpu_sync
*sync
);
682 int amdgpu_sync_wait(struct amdgpu_sync
*sync
);
683 void amdgpu_sync_free(struct amdgpu_device
*adev
, struct amdgpu_sync
*sync
,
684 struct fence
*fence
);
687 * GART structures, functions & helpers
691 #define AMDGPU_GPU_PAGE_SIZE 4096
692 #define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
693 #define AMDGPU_GPU_PAGE_SHIFT 12
694 #define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
697 dma_addr_t table_addr
;
698 struct amdgpu_bo
*robj
;
700 unsigned num_gpu_pages
;
701 unsigned num_cpu_pages
;
704 dma_addr_t
*pages_addr
;
706 const struct amdgpu_gart_funcs
*gart_funcs
;
709 int amdgpu_gart_table_ram_alloc(struct amdgpu_device
*adev
);
710 void amdgpu_gart_table_ram_free(struct amdgpu_device
*adev
);
711 int amdgpu_gart_table_vram_alloc(struct amdgpu_device
*adev
);
712 void amdgpu_gart_table_vram_free(struct amdgpu_device
*adev
);
713 int amdgpu_gart_table_vram_pin(struct amdgpu_device
*adev
);
714 void amdgpu_gart_table_vram_unpin(struct amdgpu_device
*adev
);
715 int amdgpu_gart_init(struct amdgpu_device
*adev
);
716 void amdgpu_gart_fini(struct amdgpu_device
*adev
);
717 void amdgpu_gart_unbind(struct amdgpu_device
*adev
, unsigned offset
,
719 int amdgpu_gart_bind(struct amdgpu_device
*adev
, unsigned offset
,
720 int pages
, struct page
**pagelist
,
721 dma_addr_t
*dma_addr
, uint32_t flags
);
724 * GPU MC structures, functions & helpers
727 resource_size_t aper_size
;
728 resource_size_t aper_base
;
729 resource_size_t agp_base
;
730 /* for some chips with <= 32MB we need to lie
731 * about vram size near mc fb location */
733 u64 visible_vram_size
;
744 const struct firmware
*fw
; /* MC firmware */
746 struct amdgpu_irq_src vm_fault
;
751 * GPU doorbell structures, functions & helpers
753 typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
755 AMDGPU_DOORBELL_KIQ
= 0x000,
756 AMDGPU_DOORBELL_HIQ
= 0x001,
757 AMDGPU_DOORBELL_DIQ
= 0x002,
758 AMDGPU_DOORBELL_MEC_RING0
= 0x010,
759 AMDGPU_DOORBELL_MEC_RING1
= 0x011,
760 AMDGPU_DOORBELL_MEC_RING2
= 0x012,
761 AMDGPU_DOORBELL_MEC_RING3
= 0x013,
762 AMDGPU_DOORBELL_MEC_RING4
= 0x014,
763 AMDGPU_DOORBELL_MEC_RING5
= 0x015,
764 AMDGPU_DOORBELL_MEC_RING6
= 0x016,
765 AMDGPU_DOORBELL_MEC_RING7
= 0x017,
766 AMDGPU_DOORBELL_GFX_RING0
= 0x020,
767 AMDGPU_DOORBELL_sDMA_ENGINE0
= 0x1E0,
768 AMDGPU_DOORBELL_sDMA_ENGINE1
= 0x1E1,
769 AMDGPU_DOORBELL_IH
= 0x1E8,
770 AMDGPU_DOORBELL_MAX_ASSIGNMENT
= 0x3FF,
771 AMDGPU_DOORBELL_INVALID
= 0xFFFF
772 } AMDGPU_DOORBELL_ASSIGNMENT
;
774 struct amdgpu_doorbell
{
776 resource_size_t base
;
777 resource_size_t size
;
779 u32 num_doorbells
; /* Number of doorbells actually reserved for amdgpu. */
782 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device
*adev
,
783 phys_addr_t
*aperture_base
,
784 size_t *aperture_size
,
785 size_t *start_offset
);
791 struct amdgpu_flip_work
{
792 struct work_struct flip_work
;
793 struct work_struct unpin_work
;
794 struct amdgpu_device
*adev
;
797 struct drm_pending_vblank_event
*event
;
798 struct amdgpu_bo
*old_rbo
;
800 unsigned shared_count
;
801 struct fence
**shared
;
810 struct amdgpu_sa_bo
*sa_bo
;
814 struct amdgpu_ring
*ring
;
815 struct amdgpu_fence
*fence
;
816 struct amdgpu_user_fence
*user
;
817 struct amdgpu_vm
*vm
;
818 struct amdgpu_ctx
*ctx
;
819 struct amdgpu_sync sync
;
820 uint32_t gds_base
, gds_size
;
821 uint32_t gws_base
, gws_size
;
822 uint32_t oa_base
, oa_size
;
824 /* resulting sequence number */
828 enum amdgpu_ring_type
{
829 AMDGPU_RING_TYPE_GFX
,
830 AMDGPU_RING_TYPE_COMPUTE
,
831 AMDGPU_RING_TYPE_SDMA
,
832 AMDGPU_RING_TYPE_UVD
,
836 extern struct amd_sched_backend_ops amdgpu_sched_ops
;
838 int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device
*adev
,
839 struct amdgpu_ring
*ring
,
840 struct amdgpu_ib
*ibs
,
842 int (*free_job
)(struct amdgpu_job
*),
844 struct fence
**fence
);
847 struct amdgpu_device
*adev
;
848 const struct amdgpu_ring_funcs
*funcs
;
849 struct amdgpu_fence_driver fence_drv
;
850 struct amd_gpu_scheduler sched
;
852 spinlock_t fence_lock
;
853 struct mutex
*ring_lock
;
854 struct amdgpu_bo
*ring_obj
;
855 volatile uint32_t *ring
;
857 u64 next_rptr_gpu_addr
;
858 volatile u32
*next_rptr_cpu_addr
;
862 unsigned ring_free_dw
;
870 u64 last_semaphore_signal_addr
;
871 u64 last_semaphore_wait_addr
;
875 struct amdgpu_bo
*mqd_obj
;
879 unsigned next_rptr_offs
;
881 struct amdgpu_ctx
*current_ctx
;
882 enum amdgpu_ring_type type
;
891 /* maximum number of VMIDs */
892 #define AMDGPU_NUM_VM 16
894 /* number of entries in page table */
895 #define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
897 /* PTBs (Page Table Blocks) need to be aligned to 32K */
898 #define AMDGPU_VM_PTB_ALIGN_SIZE 32768
899 #define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
900 #define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
902 #define AMDGPU_PTE_VALID (1 << 0)
903 #define AMDGPU_PTE_SYSTEM (1 << 1)
904 #define AMDGPU_PTE_SNOOPED (1 << 2)
907 #define AMDGPU_PTE_EXECUTABLE (1 << 4)
909 #define AMDGPU_PTE_READABLE (1 << 5)
910 #define AMDGPU_PTE_WRITEABLE (1 << 6)
912 /* PTE (Page Table Entry) fragment field for different page sizes */
913 #define AMDGPU_PTE_FRAG_4KB (0 << 7)
914 #define AMDGPU_PTE_FRAG_64KB (4 << 7)
915 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
917 /* How to programm VM fault handling */
918 #define AMDGPU_VM_FAULT_STOP_NEVER 0
919 #define AMDGPU_VM_FAULT_STOP_FIRST 1
920 #define AMDGPU_VM_FAULT_STOP_ALWAYS 2
922 struct amdgpu_vm_pt
{
923 struct amdgpu_bo_list_entry entry
;
927 struct amdgpu_vm_id
{
929 uint64_t pd_gpu_addr
;
930 /* last flushed PD/PT update */
931 struct fence
*flushed_updates
;
937 /* protecting invalidated */
938 spinlock_t status_lock
;
940 /* BOs moved, but not yet updated in the PT */
941 struct list_head invalidated
;
943 /* BOs cleared in the PT because of a move */
944 struct list_head cleared
;
946 /* BO mappings freed, but not yet updated in the PT */
947 struct list_head freed
;
949 /* contains the page directory */
950 struct amdgpu_bo
*page_directory
;
951 unsigned max_pde_used
;
952 struct fence
*page_directory_fence
;
954 /* array of page tables, one for each page directory entry */
955 struct amdgpu_vm_pt
*page_tables
;
957 /* for id and flush management per ring */
958 struct amdgpu_vm_id ids
[AMDGPU_MAX_RINGS
];
959 /* for interval tree */
961 /* protecting freed */
962 spinlock_t freed_lock
;
965 struct amdgpu_vm_manager
{
967 struct fence
*active
;
969 } ids
[AMDGPU_NUM_VM
];
972 /* number of VMIDs */
974 /* vram base address for page table entry */
975 u64 vram_base_offset
;
978 /* vm pte handling */
979 const struct amdgpu_vm_pte_funcs
*vm_pte_funcs
;
980 struct amdgpu_ring
*vm_pte_funcs_ring
;
983 void amdgpu_vm_manager_fini(struct amdgpu_device
*adev
);
984 int amdgpu_vm_init(struct amdgpu_device
*adev
, struct amdgpu_vm
*vm
);
985 void amdgpu_vm_fini(struct amdgpu_device
*adev
, struct amdgpu_vm
*vm
);
986 void amdgpu_vm_get_pd_bo(struct amdgpu_vm
*vm
,
987 struct list_head
*validated
,
988 struct amdgpu_bo_list_entry
*entry
);
989 void amdgpu_vm_get_pt_bos(struct amdgpu_vm
*vm
, struct list_head
*duplicates
);
990 void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device
*adev
,
991 struct amdgpu_vm
*vm
);
992 int amdgpu_vm_grab_id(struct amdgpu_vm
*vm
, struct amdgpu_ring
*ring
,
993 struct amdgpu_sync
*sync
);
994 void amdgpu_vm_flush(struct amdgpu_ring
*ring
,
995 struct amdgpu_vm
*vm
,
996 struct fence
*updates
);
997 void amdgpu_vm_fence(struct amdgpu_device
*adev
,
998 struct amdgpu_vm
*vm
,
999 struct fence
*fence
);
1000 uint64_t amdgpu_vm_map_gart(struct amdgpu_device
*adev
, uint64_t addr
);
1001 int amdgpu_vm_update_page_directory(struct amdgpu_device
*adev
,
1002 struct amdgpu_vm
*vm
);
1003 int amdgpu_vm_clear_freed(struct amdgpu_device
*adev
,
1004 struct amdgpu_vm
*vm
);
1005 int amdgpu_vm_clear_invalids(struct amdgpu_device
*adev
, struct amdgpu_vm
*vm
,
1006 struct amdgpu_sync
*sync
);
1007 int amdgpu_vm_bo_update(struct amdgpu_device
*adev
,
1008 struct amdgpu_bo_va
*bo_va
,
1009 struct ttm_mem_reg
*mem
);
1010 void amdgpu_vm_bo_invalidate(struct amdgpu_device
*adev
,
1011 struct amdgpu_bo
*bo
);
1012 struct amdgpu_bo_va
*amdgpu_vm_bo_find(struct amdgpu_vm
*vm
,
1013 struct amdgpu_bo
*bo
);
1014 struct amdgpu_bo_va
*amdgpu_vm_bo_add(struct amdgpu_device
*adev
,
1015 struct amdgpu_vm
*vm
,
1016 struct amdgpu_bo
*bo
);
1017 int amdgpu_vm_bo_map(struct amdgpu_device
*adev
,
1018 struct amdgpu_bo_va
*bo_va
,
1019 uint64_t addr
, uint64_t offset
,
1020 uint64_t size
, uint32_t flags
);
1021 int amdgpu_vm_bo_unmap(struct amdgpu_device
*adev
,
1022 struct amdgpu_bo_va
*bo_va
,
1024 void amdgpu_vm_bo_rmv(struct amdgpu_device
*adev
,
1025 struct amdgpu_bo_va
*bo_va
);
1026 int amdgpu_vm_free_job(struct amdgpu_job
*job
);
1029 * context related structures
1032 struct amdgpu_ctx_ring
{
1034 struct fence
**fences
;
1035 struct amd_sched_entity entity
;
1039 struct kref refcount
;
1040 struct amdgpu_device
*adev
;
1041 unsigned reset_counter
;
1042 spinlock_t ring_lock
;
1043 struct fence
**fences
;
1044 struct amdgpu_ctx_ring rings
[AMDGPU_MAX_RINGS
];
1047 struct amdgpu_ctx_mgr
{
1048 struct amdgpu_device
*adev
;
1050 /* protected by lock */
1051 struct idr ctx_handles
;
1054 int amdgpu_ctx_init(struct amdgpu_device
*adev
, enum amd_sched_priority pri
,
1055 struct amdgpu_ctx
*ctx
);
1056 void amdgpu_ctx_fini(struct amdgpu_ctx
*ctx
);
1058 struct amdgpu_ctx
*amdgpu_ctx_get(struct amdgpu_fpriv
*fpriv
, uint32_t id
);
1059 int amdgpu_ctx_put(struct amdgpu_ctx
*ctx
);
1061 uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx
*ctx
, struct amdgpu_ring
*ring
,
1062 struct fence
*fence
);
1063 struct fence
*amdgpu_ctx_get_fence(struct amdgpu_ctx
*ctx
,
1064 struct amdgpu_ring
*ring
, uint64_t seq
);
1066 int amdgpu_ctx_ioctl(struct drm_device
*dev
, void *data
,
1067 struct drm_file
*filp
);
1069 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr
*mgr
);
1070 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr
*mgr
);
1073 * file private structure
1076 struct amdgpu_fpriv
{
1077 struct amdgpu_vm vm
;
1078 struct mutex bo_list_lock
;
1079 struct idr bo_list_handles
;
1080 struct amdgpu_ctx_mgr ctx_mgr
;
1087 struct amdgpu_bo_list
{
1089 struct amdgpu_bo
*gds_obj
;
1090 struct amdgpu_bo
*gws_obj
;
1091 struct amdgpu_bo
*oa_obj
;
1093 unsigned num_entries
;
1094 struct amdgpu_bo_list_entry
*array
;
1097 struct amdgpu_bo_list
*
1098 amdgpu_bo_list_get(struct amdgpu_fpriv
*fpriv
, int id
);
1099 void amdgpu_bo_list_put(struct amdgpu_bo_list
*list
);
1100 void amdgpu_bo_list_free(struct amdgpu_bo_list
*list
);
1105 #include "clearstate_defs.h"
1108 /* for power gating */
1109 struct amdgpu_bo
*save_restore_obj
;
1110 uint64_t save_restore_gpu_addr
;
1111 volatile uint32_t *sr_ptr
;
1112 const u32
*reg_list
;
1114 /* for clear state */
1115 struct amdgpu_bo
*clear_state_obj
;
1116 uint64_t clear_state_gpu_addr
;
1117 volatile uint32_t *cs_ptr
;
1118 const struct cs_section_def
*cs_data
;
1119 u32 clear_state_size
;
1121 struct amdgpu_bo
*cp_table_obj
;
1122 uint64_t cp_table_gpu_addr
;
1123 volatile uint32_t *cp_table_ptr
;
1128 struct amdgpu_bo
*hpd_eop_obj
;
1129 u64 hpd_eop_gpu_addr
;
1136 * GPU scratch registers structures, functions & helpers
1138 struct amdgpu_scratch
{
1146 * GFX configurations
1148 struct amdgpu_gca_config
{
1149 unsigned max_shader_engines
;
1150 unsigned max_tile_pipes
;
1151 unsigned max_cu_per_sh
;
1152 unsigned max_sh_per_se
;
1153 unsigned max_backends_per_se
;
1154 unsigned max_texture_channel_caches
;
1156 unsigned max_gs_threads
;
1157 unsigned max_hw_contexts
;
1158 unsigned sc_prim_fifo_size_frontend
;
1159 unsigned sc_prim_fifo_size_backend
;
1160 unsigned sc_hiz_tile_fifo_size
;
1161 unsigned sc_earlyz_tile_fifo_size
;
1163 unsigned num_tile_pipes
;
1164 unsigned backend_enable_mask
;
1165 unsigned mem_max_burst_length_bytes
;
1166 unsigned mem_row_size_in_kb
;
1167 unsigned shader_engine_tile_size
;
1169 unsigned multi_gpu_tile_size
;
1170 unsigned mc_arb_ramcfg
;
1171 unsigned gb_addr_config
;
1173 uint32_t tile_mode_array
[32];
1174 uint32_t macrotile_mode_array
[16];
1178 struct mutex gpu_clock_mutex
;
1179 struct amdgpu_gca_config config
;
1180 struct amdgpu_rlc rlc
;
1181 struct amdgpu_mec mec
;
1182 struct amdgpu_scratch scratch
;
1183 const struct firmware
*me_fw
; /* ME firmware */
1184 uint32_t me_fw_version
;
1185 const struct firmware
*pfp_fw
; /* PFP firmware */
1186 uint32_t pfp_fw_version
;
1187 const struct firmware
*ce_fw
; /* CE firmware */
1188 uint32_t ce_fw_version
;
1189 const struct firmware
*rlc_fw
; /* RLC firmware */
1190 uint32_t rlc_fw_version
;
1191 const struct firmware
*mec_fw
; /* MEC firmware */
1192 uint32_t mec_fw_version
;
1193 const struct firmware
*mec2_fw
; /* MEC2 firmware */
1194 uint32_t mec2_fw_version
;
1195 uint32_t me_feature_version
;
1196 uint32_t ce_feature_version
;
1197 uint32_t pfp_feature_version
;
1198 uint32_t rlc_feature_version
;
1199 uint32_t mec_feature_version
;
1200 uint32_t mec2_feature_version
;
1201 struct amdgpu_ring gfx_ring
[AMDGPU_MAX_GFX_RINGS
];
1202 unsigned num_gfx_rings
;
1203 struct amdgpu_ring compute_ring
[AMDGPU_MAX_COMPUTE_RINGS
];
1204 unsigned num_compute_rings
;
1205 struct amdgpu_irq_src eop_irq
;
1206 struct amdgpu_irq_src priv_reg_irq
;
1207 struct amdgpu_irq_src priv_inst_irq
;
1209 uint32_t gfx_current_status
;
1211 unsigned ce_ram_size
;
1214 int amdgpu_ib_get(struct amdgpu_ring
*ring
, struct amdgpu_vm
*vm
,
1215 unsigned size
, struct amdgpu_ib
*ib
);
1216 void amdgpu_ib_free(struct amdgpu_device
*adev
, struct amdgpu_ib
*ib
);
1217 int amdgpu_ib_schedule(struct amdgpu_device
*adev
, unsigned num_ibs
,
1218 struct amdgpu_ib
*ib
, void *owner
);
1219 int amdgpu_ib_pool_init(struct amdgpu_device
*adev
);
1220 void amdgpu_ib_pool_fini(struct amdgpu_device
*adev
);
1221 int amdgpu_ib_ring_tests(struct amdgpu_device
*adev
);
1222 /* Ring access between begin & end cannot sleep */
1223 void amdgpu_ring_free_size(struct amdgpu_ring
*ring
);
1224 int amdgpu_ring_alloc(struct amdgpu_ring
*ring
, unsigned ndw
);
1225 int amdgpu_ring_lock(struct amdgpu_ring
*ring
, unsigned ndw
);
1226 void amdgpu_ring_insert_nop(struct amdgpu_ring
*ring
, uint32_t count
);
1227 void amdgpu_ring_commit(struct amdgpu_ring
*ring
);
1228 void amdgpu_ring_unlock_commit(struct amdgpu_ring
*ring
);
1229 void amdgpu_ring_undo(struct amdgpu_ring
*ring
);
1230 void amdgpu_ring_unlock_undo(struct amdgpu_ring
*ring
);
1231 unsigned amdgpu_ring_backup(struct amdgpu_ring
*ring
,
1233 int amdgpu_ring_restore(struct amdgpu_ring
*ring
,
1234 unsigned size
, uint32_t *data
);
1235 int amdgpu_ring_init(struct amdgpu_device
*adev
, struct amdgpu_ring
*ring
,
1236 unsigned ring_size
, u32 nop
, u32 align_mask
,
1237 struct amdgpu_irq_src
*irq_src
, unsigned irq_type
,
1238 enum amdgpu_ring_type ring_type
);
1239 void amdgpu_ring_fini(struct amdgpu_ring
*ring
);
1240 struct amdgpu_ring
*amdgpu_ring_from_fence(struct fence
*f
);
1245 struct amdgpu_cs_chunk
{
1249 void __user
*user_ptr
;
1252 struct amdgpu_cs_parser
{
1253 struct amdgpu_device
*adev
;
1254 struct drm_file
*filp
;
1255 struct amdgpu_ctx
*ctx
;
1256 struct amdgpu_bo_list
*bo_list
;
1259 struct amdgpu_cs_chunk
*chunks
;
1261 struct amdgpu_bo_list_entry vm_pd
;
1262 struct list_head validated
;
1263 struct fence
*fence
;
1265 struct amdgpu_ib
*ibs
;
1268 struct ww_acquire_ctx ticket
;
1271 struct amdgpu_user_fence uf
;
1272 struct amdgpu_bo_list_entry uf_entry
;
1276 struct amd_sched_job base
;
1277 struct amdgpu_device
*adev
;
1278 struct amdgpu_ib
*ibs
;
1281 struct amdgpu_user_fence uf
;
1282 int (*free_job
)(struct amdgpu_job
*job
);
1284 #define to_amdgpu_job(sched_job) \
1285 container_of((sched_job), struct amdgpu_job, base)
1287 static inline u32
amdgpu_get_ib_value(struct amdgpu_cs_parser
*p
, uint32_t ib_idx
, int idx
)
1289 return p
->ibs
[ib_idx
].ptr
[idx
];
1295 #define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
1298 struct amdgpu_bo
*wb_obj
;
1299 volatile uint32_t *wb
;
1301 u32 num_wb
; /* Number of wb slots actually reserved for amdgpu. */
1302 unsigned long used
[DIV_ROUND_UP(AMDGPU_MAX_WB
, BITS_PER_LONG
)];
1305 int amdgpu_wb_get(struct amdgpu_device
*adev
, u32
*wb
);
1306 void amdgpu_wb_free(struct amdgpu_device
*adev
, u32 wb
);
1310 enum amdgpu_int_thermal_type
{
1312 THERMAL_TYPE_EXTERNAL
,
1313 THERMAL_TYPE_EXTERNAL_GPIO
,
1316 THERMAL_TYPE_ADT7473_WITH_INTERNAL
,
1317 THERMAL_TYPE_EVERGREEN
,
1321 THERMAL_TYPE_EMC2103_WITH_INTERNAL
,
1326 enum amdgpu_dpm_auto_throttle_src
{
1327 AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL
,
1328 AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
1331 enum amdgpu_dpm_event_src
{
1332 AMDGPU_DPM_EVENT_SRC_ANALOG
= 0,
1333 AMDGPU_DPM_EVENT_SRC_EXTERNAL
= 1,
1334 AMDGPU_DPM_EVENT_SRC_DIGITAL
= 2,
1335 AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL
= 3,
1336 AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL
= 4
1339 #define AMDGPU_MAX_VCE_LEVELS 6
1341 enum amdgpu_vce_level
{
1342 AMDGPU_VCE_LEVEL_AC_ALL
= 0, /* AC, All cases */
1343 AMDGPU_VCE_LEVEL_DC_EE
= 1, /* DC, entropy encoding */
1344 AMDGPU_VCE_LEVEL_DC_LL_LOW
= 2, /* DC, low latency queue, res <= 720 */
1345 AMDGPU_VCE_LEVEL_DC_LL_HIGH
= 3, /* DC, low latency queue, 1080 >= res > 720 */
1346 AMDGPU_VCE_LEVEL_DC_GP_LOW
= 4, /* DC, general purpose queue, res <= 720 */
1347 AMDGPU_VCE_LEVEL_DC_GP_HIGH
= 5, /* DC, general purpose queue, 1080 >= res > 720 */
1351 u32 caps
; /* vbios flags */
1352 u32
class; /* vbios flags */
1353 u32 class2
; /* vbios flags */
1361 enum amdgpu_vce_level vce_level
;
1366 struct amdgpu_dpm_thermal
{
1367 /* thermal interrupt work */
1368 struct work_struct work
;
1369 /* low temperature threshold */
1371 /* high temperature threshold */
1373 /* was last interrupt low to high or high to low */
1375 /* interrupt source */
1376 struct amdgpu_irq_src irq
;
1379 enum amdgpu_clk_action
1385 struct amdgpu_blacklist_clocks
1389 enum amdgpu_clk_action action
;
1392 struct amdgpu_clock_and_voltage_limits
{
1399 struct amdgpu_clock_array
{
1404 struct amdgpu_clock_voltage_dependency_entry
{
1409 struct amdgpu_clock_voltage_dependency_table
{
1411 struct amdgpu_clock_voltage_dependency_entry
*entries
;
1414 union amdgpu_cac_leakage_entry
{
1426 struct amdgpu_cac_leakage_table
{
1428 union amdgpu_cac_leakage_entry
*entries
;
1431 struct amdgpu_phase_shedding_limits_entry
{
1437 struct amdgpu_phase_shedding_limits_table
{
1439 struct amdgpu_phase_shedding_limits_entry
*entries
;
1442 struct amdgpu_uvd_clock_voltage_dependency_entry
{
1448 struct amdgpu_uvd_clock_voltage_dependency_table
{
1450 struct amdgpu_uvd_clock_voltage_dependency_entry
*entries
;
1453 struct amdgpu_vce_clock_voltage_dependency_entry
{
1459 struct amdgpu_vce_clock_voltage_dependency_table
{
1461 struct amdgpu_vce_clock_voltage_dependency_entry
*entries
;
1464 struct amdgpu_ppm_table
{
1466 u16 cpu_core_number
;
1468 u32 small_ac_platform_tdp
;
1470 u32 small_ac_platform_tdc
;
1477 struct amdgpu_cac_tdp_table
{
1479 u16 configurable_tdp
;
1481 u16 battery_power_limit
;
1482 u16 small_power_limit
;
1483 u16 low_cac_leakage
;
1484 u16 high_cac_leakage
;
1485 u16 maximum_power_delivery_limit
;
1488 struct amdgpu_dpm_dynamic_state
{
1489 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk
;
1490 struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk
;
1491 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk
;
1492 struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk
;
1493 struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk
;
1494 struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table
;
1495 struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table
;
1496 struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table
;
1497 struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table
;
1498 struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk
;
1499 struct amdgpu_clock_array valid_sclk_values
;
1500 struct amdgpu_clock_array valid_mclk_values
;
1501 struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc
;
1502 struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac
;
1503 u32 mclk_sclk_ratio
;
1504 u32 sclk_mclk_delta
;
1505 u16 vddc_vddci_delta
;
1506 u16 min_vddc_for_pcie_gen2
;
1507 struct amdgpu_cac_leakage_table cac_leakage_table
;
1508 struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table
;
1509 struct amdgpu_ppm_table
*ppm_table
;
1510 struct amdgpu_cac_tdp_table
*cac_tdp_table
;
1513 struct amdgpu_dpm_fan
{
1524 u16 default_max_fan_pwm
;
1525 u16 default_fan_output_sensitivity
;
1526 u16 fan_output_sensitivity
;
1527 bool ucode_fan_control
;
1530 enum amdgpu_pcie_gen
{
1531 AMDGPU_PCIE_GEN1
= 0,
1532 AMDGPU_PCIE_GEN2
= 1,
1533 AMDGPU_PCIE_GEN3
= 2,
1534 AMDGPU_PCIE_GEN_INVALID
= 0xffff
1537 enum amdgpu_dpm_forced_level
{
1538 AMDGPU_DPM_FORCED_LEVEL_AUTO
= 0,
1539 AMDGPU_DPM_FORCED_LEVEL_LOW
= 1,
1540 AMDGPU_DPM_FORCED_LEVEL_HIGH
= 2,
1543 struct amdgpu_vce_state
{
1554 struct amdgpu_dpm_funcs
{
1555 int (*get_temperature
)(struct amdgpu_device
*adev
);
1556 int (*pre_set_power_state
)(struct amdgpu_device
*adev
);
1557 int (*set_power_state
)(struct amdgpu_device
*adev
);
1558 void (*post_set_power_state
)(struct amdgpu_device
*adev
);
1559 void (*display_configuration_changed
)(struct amdgpu_device
*adev
);
1560 u32 (*get_sclk
)(struct amdgpu_device
*adev
, bool low
);
1561 u32 (*get_mclk
)(struct amdgpu_device
*adev
, bool low
);
1562 void (*print_power_state
)(struct amdgpu_device
*adev
, struct amdgpu_ps
*ps
);
1563 void (*debugfs_print_current_performance_level
)(struct amdgpu_device
*adev
, struct seq_file
*m
);
1564 int (*force_performance_level
)(struct amdgpu_device
*adev
, enum amdgpu_dpm_forced_level level
);
1565 bool (*vblank_too_short
)(struct amdgpu_device
*adev
);
1566 void (*powergate_uvd
)(struct amdgpu_device
*adev
, bool gate
);
1567 void (*powergate_vce
)(struct amdgpu_device
*adev
, bool gate
);
1568 void (*enable_bapm
)(struct amdgpu_device
*adev
, bool enable
);
1569 void (*set_fan_control_mode
)(struct amdgpu_device
*adev
, u32 mode
);
1570 u32 (*get_fan_control_mode
)(struct amdgpu_device
*adev
);
1571 int (*set_fan_speed_percent
)(struct amdgpu_device
*adev
, u32 speed
);
1572 int (*get_fan_speed_percent
)(struct amdgpu_device
*adev
, u32
*speed
);
1576 struct amdgpu_ps
*ps
;
1577 /* number of valid power states */
1579 /* current power state that is active */
1580 struct amdgpu_ps
*current_ps
;
1581 /* requested power state */
1582 struct amdgpu_ps
*requested_ps
;
1583 /* boot up power state */
1584 struct amdgpu_ps
*boot_ps
;
1585 /* default uvd power state */
1586 struct amdgpu_ps
*uvd_ps
;
1587 /* vce requirements */
1588 struct amdgpu_vce_state vce_states
[AMDGPU_MAX_VCE_LEVELS
];
1589 enum amdgpu_vce_level vce_level
;
1590 enum amd_pm_state_type state
;
1591 enum amd_pm_state_type user_state
;
1593 u32 voltage_response_time
;
1594 u32 backbias_response_time
;
1596 u32 new_active_crtcs
;
1597 int new_active_crtc_count
;
1598 u32 current_active_crtcs
;
1599 int current_active_crtc_count
;
1600 struct amdgpu_dpm_dynamic_state dyn_state
;
1601 struct amdgpu_dpm_fan fan
;
1604 u32 near_tdp_limit_adjusted
;
1605 u32 sq_ramping_threshold
;
1609 u16 load_line_slope
;
1612 /* special states active */
1613 bool thermal_active
;
1616 /* thermal handling */
1617 struct amdgpu_dpm_thermal thermal
;
1619 enum amdgpu_dpm_forced_level forced_level
;
1628 struct amdgpu_i2c_chan
*i2c_bus
;
1629 /* internal thermal controller on rv6xx+ */
1630 enum amdgpu_int_thermal_type int_thermal_type
;
1631 struct device
*int_hwmon_dev
;
1632 /* fan control parameters */
1634 u8 fan_pulses_per_revolution
;
1639 bool sysfs_initialized
;
1640 struct amdgpu_dpm dpm
;
1641 const struct firmware
*fw
; /* SMC firmware */
1642 uint32_t fw_version
;
1643 const struct amdgpu_dpm_funcs
*funcs
;
1644 uint32_t pcie_gen_mask
;
1645 uint32_t pcie_mlw_mask
;
1646 struct amd_pp_display_configuration pm_display_cfg
;/* set by DAL */
1649 void amdgpu_get_pcie_info(struct amdgpu_device
*adev
);
1654 #define AMDGPU_MAX_UVD_HANDLES 10
1655 #define AMDGPU_UVD_STACK_SIZE (1024*1024)
1656 #define AMDGPU_UVD_HEAP_SIZE (1024*1024)
1657 #define AMDGPU_UVD_FIRMWARE_OFFSET 256
1660 struct amdgpu_bo
*vcpu_bo
;
1663 atomic_t handles
[AMDGPU_MAX_UVD_HANDLES
];
1664 struct drm_file
*filp
[AMDGPU_MAX_UVD_HANDLES
];
1665 struct delayed_work idle_work
;
1666 const struct firmware
*fw
; /* UVD firmware */
1667 struct amdgpu_ring ring
;
1668 struct amdgpu_irq_src irq
;
1669 bool address_64_bit
;
1675 #define AMDGPU_MAX_VCE_HANDLES 16
1676 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
1678 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
1679 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
1682 struct amdgpu_bo
*vcpu_bo
;
1684 unsigned fw_version
;
1685 unsigned fb_version
;
1686 atomic_t handles
[AMDGPU_MAX_VCE_HANDLES
];
1687 struct drm_file
*filp
[AMDGPU_MAX_VCE_HANDLES
];
1688 uint32_t img_size
[AMDGPU_MAX_VCE_HANDLES
];
1689 struct delayed_work idle_work
;
1690 const struct firmware
*fw
; /* VCE firmware */
1691 struct amdgpu_ring ring
[AMDGPU_MAX_VCE_RINGS
];
1692 struct amdgpu_irq_src irq
;
1693 unsigned harvest_config
;
1699 struct amdgpu_sdma_instance
{
1701 const struct firmware
*fw
;
1702 uint32_t fw_version
;
1703 uint32_t feature_version
;
1705 struct amdgpu_ring ring
;
1709 struct amdgpu_sdma
{
1710 struct amdgpu_sdma_instance instance
[AMDGPU_MAX_SDMA_INSTANCES
];
1711 struct amdgpu_irq_src trap_irq
;
1712 struct amdgpu_irq_src illegal_inst_irq
;
1719 struct amdgpu_firmware
{
1720 struct amdgpu_firmware_info ucode
[AMDGPU_UCODE_ID_MAXIMUM
];
1722 struct amdgpu_bo
*fw_buf
;
1723 unsigned int fw_size
;
1729 void amdgpu_benchmark(struct amdgpu_device
*adev
, int test_number
);
1735 void amdgpu_test_moves(struct amdgpu_device
*adev
);
1736 void amdgpu_test_ring_sync(struct amdgpu_device
*adev
,
1737 struct amdgpu_ring
*cpA
,
1738 struct amdgpu_ring
*cpB
);
1739 void amdgpu_test_syncing(struct amdgpu_device
*adev
);
1744 #if defined(CONFIG_MMU_NOTIFIER)
1745 int amdgpu_mn_register(struct amdgpu_bo
*bo
, unsigned long addr
);
1746 void amdgpu_mn_unregister(struct amdgpu_bo
*bo
);
1748 static inline int amdgpu_mn_register(struct amdgpu_bo
*bo
, unsigned long addr
)
1752 static inline void amdgpu_mn_unregister(struct amdgpu_bo
*bo
) {}
1758 struct amdgpu_debugfs
{
1759 struct drm_info_list
*files
;
1763 int amdgpu_debugfs_add_files(struct amdgpu_device
*adev
,
1764 struct drm_info_list
*files
,
1766 int amdgpu_debugfs_fence_init(struct amdgpu_device
*adev
);
1768 #if defined(CONFIG_DEBUG_FS)
1769 int amdgpu_debugfs_init(struct drm_minor
*minor
);
1770 void amdgpu_debugfs_cleanup(struct drm_minor
*minor
);
1774 * amdgpu smumgr functions
1776 struct amdgpu_smumgr_funcs
{
1777 int (*check_fw_load_finish
)(struct amdgpu_device
*adev
, uint32_t fwtype
);
1778 int (*request_smu_load_fw
)(struct amdgpu_device
*adev
);
1779 int (*request_smu_specific_fw
)(struct amdgpu_device
*adev
, uint32_t fwtype
);
1785 struct amdgpu_smumgr
{
1786 struct amdgpu_bo
*toc_buf
;
1787 struct amdgpu_bo
*smu_buf
;
1788 /* asic priv smu data */
1790 spinlock_t smu_lock
;
1791 /* smumgr functions */
1792 const struct amdgpu_smumgr_funcs
*smumgr_funcs
;
1793 /* ucode loading complete flag */
1798 * ASIC specific register table accessible by UMD
1800 struct amdgpu_allowed_register_entry
{
1801 uint32_t reg_offset
;
1806 struct amdgpu_cu_info
{
1807 uint32_t number
; /* total active CU number */
1808 uint32_t ao_cu_mask
;
1809 uint32_t bitmap
[4][4];
1814 * ASIC specific functions.
1816 struct amdgpu_asic_funcs
{
1817 bool (*read_disabled_bios
)(struct amdgpu_device
*adev
);
1818 bool (*read_bios_from_rom
)(struct amdgpu_device
*adev
,
1819 u8
*bios
, u32 length_bytes
);
1820 int (*read_register
)(struct amdgpu_device
*adev
, u32 se_num
,
1821 u32 sh_num
, u32 reg_offset
, u32
*value
);
1822 void (*set_vga_state
)(struct amdgpu_device
*adev
, bool state
);
1823 int (*reset
)(struct amdgpu_device
*adev
);
1824 /* wait for mc_idle */
1825 int (*wait_for_mc_idle
)(struct amdgpu_device
*adev
);
1826 /* get the reference clock */
1827 u32 (*get_xclk
)(struct amdgpu_device
*adev
);
1828 /* get the gpu clock counter */
1829 uint64_t (*get_gpu_clock_counter
)(struct amdgpu_device
*adev
);
1830 int (*get_cu_info
)(struct amdgpu_device
*adev
, struct amdgpu_cu_info
*info
);
1831 /* MM block clocks */
1832 int (*set_uvd_clocks
)(struct amdgpu_device
*adev
, u32 vclk
, u32 dclk
);
1833 int (*set_vce_clocks
)(struct amdgpu_device
*adev
, u32 evclk
, u32 ecclk
);
1839 int amdgpu_gem_create_ioctl(struct drm_device
*dev
, void *data
,
1840 struct drm_file
*filp
);
1841 int amdgpu_bo_list_ioctl(struct drm_device
*dev
, void *data
,
1842 struct drm_file
*filp
);
1844 int amdgpu_gem_info_ioctl(struct drm_device
*dev
, void *data
,
1845 struct drm_file
*filp
);
1846 int amdgpu_gem_userptr_ioctl(struct drm_device
*dev
, void *data
,
1847 struct drm_file
*filp
);
1848 int amdgpu_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
1849 struct drm_file
*filp
);
1850 int amdgpu_gem_wait_idle_ioctl(struct drm_device
*dev
, void *data
,
1851 struct drm_file
*filp
);
1852 int amdgpu_gem_va_ioctl(struct drm_device
*dev
, void *data
,
1853 struct drm_file
*filp
);
1854 int amdgpu_gem_op_ioctl(struct drm_device
*dev
, void *data
,
1855 struct drm_file
*filp
);
1856 int amdgpu_cs_ioctl(struct drm_device
*dev
, void *data
, struct drm_file
*filp
);
1857 int amdgpu_cs_wait_ioctl(struct drm_device
*dev
, void *data
, struct drm_file
*filp
);
1859 int amdgpu_gem_metadata_ioctl(struct drm_device
*dev
, void *data
,
1860 struct drm_file
*filp
);
1862 /* VRAM scratch page for HDP bug, default vram page */
1863 struct amdgpu_vram_scratch
{
1864 struct amdgpu_bo
*robj
;
1865 volatile uint32_t *ptr
;
1872 struct amdgpu_atif_notification_cfg
{
1877 struct amdgpu_atif_notifications
{
1878 bool display_switch
;
1879 bool expansion_mode_change
;
1881 bool forced_power_state
;
1882 bool system_power_state
;
1883 bool display_conf_change
;
1885 bool brightness_change
;
1886 bool dgpu_display_event
;
1889 struct amdgpu_atif_functions
{
1891 bool sbios_requests
;
1892 bool select_active_disp
;
1894 bool get_tv_standard
;
1895 bool set_tv_standard
;
1896 bool get_panel_expansion_mode
;
1897 bool set_panel_expansion_mode
;
1898 bool temperature_change
;
1899 bool graphics_device_types
;
1902 struct amdgpu_atif
{
1903 struct amdgpu_atif_notifications notifications
;
1904 struct amdgpu_atif_functions functions
;
1905 struct amdgpu_atif_notification_cfg notification_cfg
;
1906 struct amdgpu_encoder
*encoder_for_bl
;
1909 struct amdgpu_atcs_functions
{
1913 bool pcie_bus_width
;
1916 struct amdgpu_atcs
{
1917 struct amdgpu_atcs_functions functions
;
1923 void *amdgpu_cgs_create_device(struct amdgpu_device
*adev
);
1924 void amdgpu_cgs_destroy_device(void *cgs_device
);
1928 * Core structure, functions and helpers.
1930 typedef uint32_t (*amdgpu_rreg_t
)(struct amdgpu_device
*, uint32_t);
1931 typedef void (*amdgpu_wreg_t
)(struct amdgpu_device
*, uint32_t, uint32_t);
1933 typedef uint32_t (*amdgpu_block_rreg_t
)(struct amdgpu_device
*, uint32_t, uint32_t);
1934 typedef void (*amdgpu_block_wreg_t
)(struct amdgpu_device
*, uint32_t, uint32_t, uint32_t);
1936 struct amdgpu_ip_block_status
{
1942 struct amdgpu_device
{
1944 struct drm_device
*ddev
;
1945 struct pci_dev
*pdev
;
1948 enum amd_asic_type asic_type
;
1951 uint32_t external_rev_id
;
1952 unsigned long flags
;
1954 const struct amdgpu_asic_funcs
*asic_funcs
;
1959 struct work_struct reset_work
;
1960 struct notifier_block acpi_nb
;
1961 struct amdgpu_i2c_chan
*i2c_bus
[AMDGPU_MAX_I2C_BUS
];
1962 struct amdgpu_debugfs debugfs
[AMDGPU_DEBUGFS_MAX_COMPONENTS
];
1963 unsigned debugfs_count
;
1964 #if defined(CONFIG_DEBUG_FS)
1965 struct dentry
*debugfs_regs
;
1967 struct amdgpu_atif atif
;
1968 struct amdgpu_atcs atcs
;
1969 struct mutex srbm_mutex
;
1970 /* GRBM index mutex. Protects concurrent access to GRBM index */
1971 struct mutex grbm_idx_mutex
;
1972 struct dev_pm_domain vga_pm_domain
;
1973 bool have_disp_power_ref
;
1978 uint16_t bios_header_start
;
1979 struct amdgpu_bo
*stollen_vga_memory
;
1980 uint32_t bios_scratch
[AMDGPU_BIOS_NUM_SCRATCH
];
1982 /* Register/doorbell mmio */
1983 resource_size_t rmmio_base
;
1984 resource_size_t rmmio_size
;
1985 void __iomem
*rmmio
;
1986 /* protects concurrent MM_INDEX/DATA based register access */
1987 spinlock_t mmio_idx_lock
;
1988 /* protects concurrent SMC based register access */
1989 spinlock_t smc_idx_lock
;
1990 amdgpu_rreg_t smc_rreg
;
1991 amdgpu_wreg_t smc_wreg
;
1992 /* protects concurrent PCIE register access */
1993 spinlock_t pcie_idx_lock
;
1994 amdgpu_rreg_t pcie_rreg
;
1995 amdgpu_wreg_t pcie_wreg
;
1996 /* protects concurrent UVD register access */
1997 spinlock_t uvd_ctx_idx_lock
;
1998 amdgpu_rreg_t uvd_ctx_rreg
;
1999 amdgpu_wreg_t uvd_ctx_wreg
;
2000 /* protects concurrent DIDT register access */
2001 spinlock_t didt_idx_lock
;
2002 amdgpu_rreg_t didt_rreg
;
2003 amdgpu_wreg_t didt_wreg
;
2004 /* protects concurrent ENDPOINT (audio) register access */
2005 spinlock_t audio_endpt_idx_lock
;
2006 amdgpu_block_rreg_t audio_endpt_rreg
;
2007 amdgpu_block_wreg_t audio_endpt_wreg
;
2008 void __iomem
*rio_mem
;
2009 resource_size_t rio_mem_size
;
2010 struct amdgpu_doorbell doorbell
;
2012 /* clock/pll info */
2013 struct amdgpu_clock clock
;
2016 struct amdgpu_mc mc
;
2017 struct amdgpu_gart gart
;
2018 struct amdgpu_dummy_page dummy_page
;
2019 struct amdgpu_vm_manager vm_manager
;
2021 /* memory management */
2022 struct amdgpu_mman mman
;
2023 struct amdgpu_gem gem
;
2024 struct amdgpu_vram_scratch vram_scratch
;
2025 struct amdgpu_wb wb
;
2026 atomic64_t vram_usage
;
2027 atomic64_t vram_vis_usage
;
2028 atomic64_t gtt_usage
;
2029 atomic64_t num_bytes_moved
;
2030 atomic_t gpu_reset_counter
;
2033 struct amdgpu_mode_info mode_info
;
2034 struct work_struct hotplug_work
;
2035 struct amdgpu_irq_src crtc_irq
;
2036 struct amdgpu_irq_src pageflip_irq
;
2037 struct amdgpu_irq_src hpd_irq
;
2040 unsigned fence_context
;
2041 struct mutex ring_lock
;
2043 struct amdgpu_ring
*rings
[AMDGPU_MAX_RINGS
];
2045 struct amdgpu_sa_manager ring_tmp_bo
;
2048 struct amdgpu_irq irq
;
2051 struct amd_powerplay powerplay
;
2055 struct amdgpu_pm pm
;
2060 struct amdgpu_smumgr smu
;
2063 struct amdgpu_gfx gfx
;
2066 struct amdgpu_sdma sdma
;
2070 struct amdgpu_uvd uvd
;
2073 struct amdgpu_vce vce
;
2076 struct amdgpu_firmware firmware
;
2079 struct amdgpu_gds gds
;
2081 const struct amdgpu_ip_block_version
*ip_blocks
;
2083 struct amdgpu_ip_block_status
*ip_block_status
;
2084 struct mutex mn_lock
;
2085 DECLARE_HASHTABLE(mn_hash
, 7);
2087 /* tracking pinned memory */
2091 /* amdkfd interface */
2092 struct kfd_dev
*kfd
;
2094 /* kernel conext for IB submission */
2095 struct amdgpu_ctx kernel_ctx
;
2098 bool amdgpu_device_is_px(struct drm_device
*dev
);
2099 int amdgpu_device_init(struct amdgpu_device
*adev
,
2100 struct drm_device
*ddev
,
2101 struct pci_dev
*pdev
,
2103 void amdgpu_device_fini(struct amdgpu_device
*adev
);
2104 int amdgpu_gpu_wait_for_idle(struct amdgpu_device
*adev
);
2106 uint32_t amdgpu_mm_rreg(struct amdgpu_device
*adev
, uint32_t reg
,
2107 bool always_indirect
);
2108 void amdgpu_mm_wreg(struct amdgpu_device
*adev
, uint32_t reg
, uint32_t v
,
2109 bool always_indirect
);
2110 u32
amdgpu_io_rreg(struct amdgpu_device
*adev
, u32 reg
);
2111 void amdgpu_io_wreg(struct amdgpu_device
*adev
, u32 reg
, u32 v
);
2113 u32
amdgpu_mm_rdoorbell(struct amdgpu_device
*adev
, u32 index
);
2114 void amdgpu_mm_wdoorbell(struct amdgpu_device
*adev
, u32 index
, u32 v
);
2119 extern const struct fence_ops amdgpu_fence_ops
;
2120 static inline struct amdgpu_fence
*to_amdgpu_fence(struct fence
*f
)
2122 struct amdgpu_fence
*__f
= container_of(f
, struct amdgpu_fence
, base
);
2124 if (__f
->base
.ops
== &amdgpu_fence_ops
)
2131 * Registers read & write functions.
2133 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
2134 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
2135 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
2136 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
2137 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
2138 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2139 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
2140 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
2141 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
2142 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
2143 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
2144 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
2145 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
2146 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
2147 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
2148 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
2149 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
2150 #define WREG32_P(reg, val, mask) \
2152 uint32_t tmp_ = RREG32(reg); \
2154 tmp_ |= ((val) & ~(mask)); \
2155 WREG32(reg, tmp_); \
2157 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
2158 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
2159 #define WREG32_PLL_P(reg, val, mask) \
2161 uint32_t tmp_ = RREG32_PLL(reg); \
2163 tmp_ |= ((val) & ~(mask)); \
2164 WREG32_PLL(reg, tmp_); \
2166 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
2167 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
2168 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
2170 #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
2171 #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
2173 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
2174 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
2176 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
2177 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
2178 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
2180 #define REG_GET_FIELD(value, reg, field) \
2181 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
2186 #define RBIOS8(i) (adev->bios[i])
2187 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
2188 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
2193 static inline void amdgpu_ring_write(struct amdgpu_ring
*ring
, uint32_t v
)
2195 if (ring
->count_dw
<= 0)
2196 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
2197 ring
->ring
[ring
->wptr
++] = v
;
2198 ring
->wptr
&= ring
->ptr_mask
;
2200 ring
->ring_free_dw
--;
2203 static inline struct amdgpu_sdma_instance
*
2204 amdgpu_get_sdma_instance(struct amdgpu_ring
*ring
)
2206 struct amdgpu_device
*adev
= ring
->adev
;
2209 for (i
= 0; i
< adev
->sdma
.num_instances
; i
++)
2210 if (&adev
->sdma
.instance
[i
].ring
== ring
)
2213 if (i
< AMDGPU_MAX_SDMA_INSTANCES
)
2214 return &adev
->sdma
.instance
[i
];
2222 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
2223 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
2224 #define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
2225 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
2226 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
2227 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
2228 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
2229 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
2230 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
2231 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
2232 #define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
2233 #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
2234 #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
2235 #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
2236 #define amdgpu_vm_write_pte(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (addr), (count), (incr), (flags)))
2237 #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)))
2238 #define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
2239 #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
2240 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
2241 #define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
2242 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
2243 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
2244 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
2245 #define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
2246 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
2247 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
2248 #define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
2249 #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))
2250 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
2251 #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
2252 #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
2253 #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
2254 #define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
2255 #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
2256 #define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
2257 #define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
2258 #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
2259 #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
2260 #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
2261 #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
2262 #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
2263 #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
2264 #define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
2265 #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
2266 #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
2267 #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))
2268 #define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
2269 #define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
2270 #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b))
2271 #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
2272 #define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
2273 #define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
2274 #define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
2275 #define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
2276 #define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
2277 #define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
2278 #define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
2280 #define amdgpu_dpm_get_temperature(adev) \
2281 ((adev)->pp_enabled ? \
2282 (adev)->powerplay.pp_funcs->get_temperature((adev)->powerplay.pp_handle) : \
2283 (adev)->pm.funcs->get_temperature((adev)))
2285 #define amdgpu_dpm_set_fan_control_mode(adev, m) \
2286 ((adev)->pp_enabled ? \
2287 (adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m)) : \
2288 (adev)->pm.funcs->set_fan_control_mode((adev), (m)))
2290 #define amdgpu_dpm_get_fan_control_mode(adev) \
2291 ((adev)->pp_enabled ? \
2292 (adev)->powerplay.pp_funcs->get_fan_control_mode((adev)->powerplay.pp_handle) : \
2293 (adev)->pm.funcs->get_fan_control_mode((adev)))
2295 #define amdgpu_dpm_set_fan_speed_percent(adev, s) \
2296 ((adev)->pp_enabled ? \
2297 (adev)->powerplay.pp_funcs->set_fan_speed_percent((adev)->powerplay.pp_handle, (s)) : \
2298 (adev)->pm.funcs->set_fan_speed_percent((adev), (s)))
2300 #define amdgpu_dpm_get_fan_speed_percent(adev, s) \
2301 ((adev)->pp_enabled ? \
2302 (adev)->powerplay.pp_funcs->get_fan_speed_percent((adev)->powerplay.pp_handle, (s)) : \
2303 (adev)->pm.funcs->get_fan_speed_percent((adev), (s)))
2305 #define amdgpu_dpm_get_sclk(adev, l) \
2306 ((adev)->pp_enabled ? \
2307 (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)) : \
2308 (adev)->pm.funcs->get_sclk((adev), (l)))
2310 #define amdgpu_dpm_get_mclk(adev, l) \
2311 ((adev)->pp_enabled ? \
2312 (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)) : \
2313 (adev)->pm.funcs->get_mclk((adev), (l)))
2316 #define amdgpu_dpm_force_performance_level(adev, l) \
2317 ((adev)->pp_enabled ? \
2318 (adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)) : \
2319 (adev)->pm.funcs->force_performance_level((adev), (l)))
2321 #define amdgpu_dpm_powergate_uvd(adev, g) \
2322 ((adev)->pp_enabled ? \
2323 (adev)->powerplay.pp_funcs->powergate_uvd((adev)->powerplay.pp_handle, (g)) : \
2324 (adev)->pm.funcs->powergate_uvd((adev), (g)))
2326 #define amdgpu_dpm_powergate_vce(adev, g) \
2327 ((adev)->pp_enabled ? \
2328 (adev)->powerplay.pp_funcs->powergate_vce((adev)->powerplay.pp_handle, (g)) : \
2329 (adev)->pm.funcs->powergate_vce((adev), (g)))
2331 #define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) \
2332 ((adev)->pp_enabled ? \
2333 (adev)->powerplay.pp_funcs->print_current_performance_level((adev)->powerplay.pp_handle, (m)) : \
2334 (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m)))
2336 #define amdgpu_dpm_get_current_power_state(adev) \
2337 (adev)->powerplay.pp_funcs->get_current_power_state((adev)->powerplay.pp_handle)
2339 #define amdgpu_dpm_get_performance_level(adev) \
2340 (adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle)
2342 #define amdgpu_dpm_dispatch_task(adev, event_id, input, output) \
2343 (adev)->powerplay.pp_funcs->dispatch_tasks((adev)->powerplay.pp_handle, (event_id), (input), (output))
2345 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
2347 /* Common functions */
2348 int amdgpu_gpu_reset(struct amdgpu_device
*adev
);
2349 void amdgpu_pci_config_reset(struct amdgpu_device
*adev
);
2350 bool amdgpu_card_posted(struct amdgpu_device
*adev
);
2351 void amdgpu_update_display_priority(struct amdgpu_device
*adev
);
2352 bool amdgpu_boot_test_post_card(struct amdgpu_device
*adev
);
2354 int amdgpu_cs_parser_init(struct amdgpu_cs_parser
*p
, void *data
);
2355 int amdgpu_cs_get_ring(struct amdgpu_device
*adev
, u32 ip_type
,
2356 u32 ip_instance
, u32 ring
,
2357 struct amdgpu_ring
**out_ring
);
2358 void amdgpu_ttm_placement_from_domain(struct amdgpu_bo
*rbo
, u32 domain
);
2359 bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object
*bo
);
2360 int amdgpu_ttm_tt_set_userptr(struct ttm_tt
*ttm
, uint64_t addr
,
2362 bool amdgpu_ttm_tt_has_userptr(struct ttm_tt
*ttm
);
2363 bool amdgpu_ttm_tt_is_readonly(struct ttm_tt
*ttm
);
2364 uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device
*adev
, struct ttm_tt
*ttm
,
2365 struct ttm_mem_reg
*mem
);
2366 void amdgpu_vram_location(struct amdgpu_device
*adev
, struct amdgpu_mc
*mc
, u64 base
);
2367 void amdgpu_gtt_location(struct amdgpu_device
*adev
, struct amdgpu_mc
*mc
);
2368 void amdgpu_ttm_set_active_vram_size(struct amdgpu_device
*adev
, u64 size
);
2369 void amdgpu_program_register_sequence(struct amdgpu_device
*adev
,
2370 const u32
*registers
,
2371 const u32 array_size
);
2373 bool amdgpu_device_is_px(struct drm_device
*dev
);
2375 #if defined(CONFIG_VGA_SWITCHEROO)
2376 void amdgpu_register_atpx_handler(void);
2377 void amdgpu_unregister_atpx_handler(void);
2379 static inline void amdgpu_register_atpx_handler(void) {}
2380 static inline void amdgpu_unregister_atpx_handler(void) {}
2386 extern const struct drm_ioctl_desc amdgpu_ioctls_kms
[];
2387 extern int amdgpu_max_kms_ioctl
;
2389 int amdgpu_driver_load_kms(struct drm_device
*dev
, unsigned long flags
);
2390 int amdgpu_driver_unload_kms(struct drm_device
*dev
);
2391 void amdgpu_driver_lastclose_kms(struct drm_device
*dev
);
2392 int amdgpu_driver_open_kms(struct drm_device
*dev
, struct drm_file
*file_priv
);
2393 void amdgpu_driver_postclose_kms(struct drm_device
*dev
,
2394 struct drm_file
*file_priv
);
2395 void amdgpu_driver_preclose_kms(struct drm_device
*dev
,
2396 struct drm_file
*file_priv
);
2397 int amdgpu_suspend_kms(struct drm_device
*dev
, bool suspend
, bool fbcon
);
2398 int amdgpu_resume_kms(struct drm_device
*dev
, bool resume
, bool fbcon
);
2399 u32
amdgpu_get_vblank_counter_kms(struct drm_device
*dev
, unsigned int pipe
);
2400 int amdgpu_enable_vblank_kms(struct drm_device
*dev
, unsigned int pipe
);
2401 void amdgpu_disable_vblank_kms(struct drm_device
*dev
, unsigned int pipe
);
2402 int amdgpu_get_vblank_timestamp_kms(struct drm_device
*dev
, unsigned int pipe
,
2404 struct timeval
*vblank_time
,
2406 long amdgpu_kms_compat_ioctl(struct file
*filp
, unsigned int cmd
,
2410 * functions used by amdgpu_encoder.c
2412 struct amdgpu_afmt_acr
{
2426 struct amdgpu_afmt_acr
amdgpu_afmt_acr(uint32_t clock
);
2429 #if defined(CONFIG_ACPI)
2430 int amdgpu_acpi_init(struct amdgpu_device
*adev
);
2431 void amdgpu_acpi_fini(struct amdgpu_device
*adev
);
2432 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device
*adev
);
2433 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device
*adev
,
2434 u8 perf_req
, bool advertise
);
2435 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device
*adev
);
2437 static inline int amdgpu_acpi_init(struct amdgpu_device
*adev
) { return 0; }
2438 static inline void amdgpu_acpi_fini(struct amdgpu_device
*adev
) { }
2441 struct amdgpu_bo_va_mapping
*
2442 amdgpu_cs_find_mapping(struct amdgpu_cs_parser
*parser
,
2443 uint64_t addr
, struct amdgpu_bo
**bo
);
2445 #include "amdgpu_object.h"