1 /*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Christian König
23 */
24 #ifndef __AMDGPU_RING_H__
25 #define __AMDGPU_RING_H__
26
27 #include <drm/amdgpu_drm.h>
28 #include <drm/gpu_scheduler.h>
29 #include <drm/drm_print.h>
30 #include <drm/drm_suballoc.h>
31
32 struct amdgpu_device;
33 struct amdgpu_ring;
34 struct amdgpu_ib;
35 struct amdgpu_cs_parser;
36 struct amdgpu_job;
37 struct amdgpu_vm;
38
39 /* max number of rings */
40 #define AMDGPU_MAX_RINGS 124
41 #define AMDGPU_MAX_HWIP_RINGS 64
42 #define AMDGPU_MAX_GFX_RINGS 2
43 #define AMDGPU_MAX_SW_GFX_RINGS 2
44 #define AMDGPU_MAX_COMPUTE_RINGS 8
45 #define AMDGPU_MAX_VCE_RINGS 3
46 #define AMDGPU_MAX_UVD_ENC_RINGS 2
47
48 enum amdgpu_ring_priority_level {
49 AMDGPU_RING_PRIO_0,
50 AMDGPU_RING_PRIO_1,
51 AMDGPU_RING_PRIO_DEFAULT = 1,
52 AMDGPU_RING_PRIO_2,
53 AMDGPU_RING_PRIO_MAX
54 };
55
56 /* some special values for the owner field */
57 #define AMDGPU_FENCE_OWNER_UNDEFINED ((void *)0ul)
58 #define AMDGPU_FENCE_OWNER_VM ((void *)1ul)
59 #define AMDGPU_FENCE_OWNER_KFD ((void *)2ul)
60
61 #define AMDGPU_FENCE_FLAG_64BIT (1 << 0)
62 #define AMDGPU_FENCE_FLAG_INT (1 << 1)
63 #define AMDGPU_FENCE_FLAG_TC_WB_ONLY (1 << 2)
64 #define AMDGPU_FENCE_FLAG_EXEC (1 << 3)
65
66 #define to_amdgpu_ring(s) container_of((s), struct amdgpu_ring, sched)
67
68 #define AMDGPU_IB_POOL_SIZE (1024 * 1024)
69
70 enum amdgpu_ring_type {
71 AMDGPU_RING_TYPE_GFX = AMDGPU_HW_IP_GFX,
72 AMDGPU_RING_TYPE_COMPUTE = AMDGPU_HW_IP_COMPUTE,
73 AMDGPU_RING_TYPE_SDMA = AMDGPU_HW_IP_DMA,
74 AMDGPU_RING_TYPE_UVD = AMDGPU_HW_IP_UVD,
75 AMDGPU_RING_TYPE_VCE = AMDGPU_HW_IP_VCE,
76 AMDGPU_RING_TYPE_UVD_ENC = AMDGPU_HW_IP_UVD_ENC,
77 AMDGPU_RING_TYPE_VCN_DEC = AMDGPU_HW_IP_VCN_DEC,
78 AMDGPU_RING_TYPE_VCN_ENC = AMDGPU_HW_IP_VCN_ENC,
79 AMDGPU_RING_TYPE_VCN_JPEG = AMDGPU_HW_IP_VCN_JPEG,
80 AMDGPU_RING_TYPE_KIQ,
81 AMDGPU_RING_TYPE_MES
82 };
83
84 enum amdgpu_ib_pool_type {
85 /* Normal submissions to the top of the pipeline. */
86 AMDGPU_IB_POOL_DELAYED,
87 /* Immediate submissions to the bottom of the pipeline. */
88 AMDGPU_IB_POOL_IMMEDIATE,
89 /* Direct submission to the ring buffer during init and reset. */
90 AMDGPU_IB_POOL_DIRECT,
91
92 AMDGPU_IB_POOL_MAX
93 };
94
95 struct amdgpu_ib {
96 struct drm_suballoc *sa_bo;
97 uint32_t length_dw;
98 uint64_t gpu_addr;
99 uint32_t *ptr;
100 uint32_t flags;
101 };
102
103 struct amdgpu_sched {
104 u32 num_scheds;
105 struct drm_gpu_scheduler *sched[AMDGPU_MAX_HWIP_RINGS];
106 };
107
108 /*
109 * Fences.
110 */
111 struct amdgpu_fence_driver {
112 uint64_t gpu_addr;
113 volatile uint32_t *cpu_addr;
114 /* sync_seq is protected by ring emission lock */
115 uint32_t sync_seq;
116 atomic_t last_seq;
117 bool initialized;
118 struct amdgpu_irq_src *irq_src;
119 unsigned irq_type;
120 struct timer_list fallback_timer;
121 unsigned num_fences_mask;
122 spinlock_t lock;
123 struct dma_fence **fences;
124 };
125
126 /*
127 * Fences mark an event in the GPUs pipeline and are used
128 * for GPU/CPU synchronization. When the fence is written,
129 * it is expected that all buffers associated with that fence
130 * are no longer in use by the associated ring on the GPU and
131 * that the relevant GPU caches have been flushed.
132 */
133
134 struct amdgpu_fence {
135 struct dma_fence base;
136
137 /* RB, DMA, etc. */
138 struct amdgpu_ring *ring;
139 ktime_t start_timestamp;
140 };
141
142 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
143
144 void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring);
145 void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error);
146 void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring);
147
148 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
149 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
150 struct amdgpu_irq_src *irq_src,
151 unsigned irq_type);
152 void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev);
153 void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev);
154 int amdgpu_fence_driver_sw_init(struct amdgpu_device *adev);
155 void amdgpu_fence_driver_sw_fini(struct amdgpu_device *adev);
156 int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, struct amdgpu_job *job,
157 unsigned flags);
158 int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s,
159 uint32_t timeout);
160 bool amdgpu_fence_process(struct amdgpu_ring *ring);
161 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
162 signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring,
163 uint32_t wait_seq,
164 signed long timeout);
165 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
166
167 void amdgpu_fence_driver_isr_toggle(struct amdgpu_device *adev, bool stop);
168
169 u64 amdgpu_fence_last_unsignaled_time_us(struct amdgpu_ring *ring);
170 void amdgpu_fence_update_start_timestamp(struct amdgpu_ring *ring, uint32_t seq,
171 ktime_t timestamp);
172
173 /*
174 * Rings.
175 */
176
177 /* provided by hw blocks that expose a ring buffer for commands */
178 struct amdgpu_ring_funcs {
179 enum amdgpu_ring_type type;
180 uint32_t align_mask;
181 u32 nop;
182 bool support_64bit_ptrs;
183 bool no_user_fence;
184 bool secure_submission_supported;
185 unsigned extra_dw;
186
187 /* ring read/write ptr handling */
188 u64 (*get_rptr)(struct amdgpu_ring *ring);
189 u64 (*get_wptr)(struct amdgpu_ring *ring);
190 void (*set_wptr)(struct amdgpu_ring *ring);
191 /* validating and patching of IBs */
192 int (*parse_cs)(struct amdgpu_cs_parser *p,
193 struct amdgpu_job *job,
194 struct amdgpu_ib *ib);
195 int (*patch_cs_in_place)(struct amdgpu_cs_parser *p,
196 struct amdgpu_job *job,
197 struct amdgpu_ib *ib);
198 /* constants to calculate how many DW are needed for an emit */
199 unsigned emit_frame_size;
200 unsigned emit_ib_size;
201 /* command emit functions */
202 void (*emit_ib)(struct amdgpu_ring *ring,
203 struct amdgpu_job *job,
204 struct amdgpu_ib *ib,
205 uint32_t flags);
206 void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
207 uint64_t seq, unsigned flags);
208 void (*emit_pipeline_sync)(struct amdgpu_ring *ring);
209 void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vmid,
210 uint64_t pd_addr);
211 void (*emit_hdp_flush)(struct amdgpu_ring *ring);
212 void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
213 uint32_t gds_base, uint32_t gds_size,
214 uint32_t gws_base, uint32_t gws_size,
215 uint32_t oa_base, uint32_t oa_size);
216 /* testing functions */
217 int (*test_ring)(struct amdgpu_ring *ring);
218 int (*test_ib)(struct amdgpu_ring *ring, long timeout);
219 /* insert NOP packets */
220 void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
221 void (*insert_start)(struct amdgpu_ring *ring);
222 void (*insert_end)(struct amdgpu_ring *ring);
223 /* pad the indirect buffer to the necessary number of dw */
224 void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
225 unsigned (*init_cond_exec)(struct amdgpu_ring *ring);
226 void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset);
227 /* note usage for clock and power gating */
228 void (*begin_use)(struct amdgpu_ring *ring);
229 void (*end_use)(struct amdgpu_ring *ring);
230 void (*emit_switch_buffer) (struct amdgpu_ring *ring);
231 void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
232 void (*emit_gfx_shadow)(struct amdgpu_ring *ring, u64 shadow_va, u64 csa_va,
233 u64 gds_va, bool init_shadow, int vmid);
234 void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg,
235 uint32_t reg_val_offs);
236 void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
237 void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg,
238 uint32_t val, uint32_t mask);
239 void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring,
240 uint32_t reg0, uint32_t reg1,
241 uint32_t ref, uint32_t mask);
242 void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start,
243 bool secure);
244 /* Try to soft recover the ring to make the fence signal */
245 void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
246 int (*preempt_ib)(struct amdgpu_ring *ring);
247 void (*emit_mem_sync)(struct amdgpu_ring *ring);
248 void (*emit_wave_limit)(struct amdgpu_ring *ring, bool enable);
249 void (*patch_cntl)(struct amdgpu_ring *ring, unsigned offset);
250 void (*patch_ce)(struct amdgpu_ring *ring, unsigned offset);
251 void (*patch_de)(struct amdgpu_ring *ring, unsigned offset);
252 };
253
254 struct amdgpu_ring {
255 struct amdgpu_device *adev;
256 const struct amdgpu_ring_funcs *funcs;
257 struct amdgpu_fence_driver fence_drv;
258 struct drm_gpu_scheduler sched;
259
260 struct amdgpu_bo *ring_obj;
261 volatile uint32_t *ring;
262 unsigned rptr_offs;
263 u64 rptr_gpu_addr;
264 volatile u32 *rptr_cpu_addr;
265 u64 wptr;
266 u64 wptr_old;
267 unsigned ring_size;
268 unsigned max_dw;
269 int count_dw;
270 uint64_t gpu_addr;
271 uint64_t ptr_mask;
272 uint32_t buf_mask;
273 u32 idx;
274 u32 xcc_id;
275 u32 xcp_id;
276 u32 me;
277 u32 pipe;
278 u32 queue;
279 struct amdgpu_bo *mqd_obj;
280 uint64_t mqd_gpu_addr;
281 void *mqd_ptr;
282 unsigned mqd_size;
283 uint64_t eop_gpu_addr;
284 u32 doorbell_index;
285 bool use_doorbell;
286 bool use_pollmem;
287 unsigned wptr_offs;
288 u64 wptr_gpu_addr;
289 volatile u32 *wptr_cpu_addr;
290 unsigned fence_offs;
291 u64 fence_gpu_addr;
292 volatile u32 *fence_cpu_addr;
293 uint64_t current_ctx;
294 char name[16];
295 u32 trail_seq;
296 unsigned trail_fence_offs;
297 u64 trail_fence_gpu_addr;
298 volatile u32 *trail_fence_cpu_addr;
299 unsigned cond_exe_offs;
300 u64 cond_exe_gpu_addr;
301 volatile u32 *cond_exe_cpu_addr;
302 unsigned vm_hub;
303 unsigned vm_inv_eng;
304 struct dma_fence *vmid_wait;
305 bool has_compute_vm_bug;
306 bool no_scheduler;
307 int hw_prio;
308 unsigned num_hw_submission;
309 atomic_t *sched_score;
310
311 /* used for mes */
312 bool is_mes_queue;
313 uint32_t hw_queue_id;
314 struct amdgpu_mes_ctx_data *mes_ctx;
315
316 bool is_sw_ring;
317 unsigned int entry_index;
318
319 };
320
321 #define amdgpu_ring_parse_cs(r, p, job, ib) ((r)->funcs->parse_cs((p), (job), (ib)))
322 #define amdgpu_ring_patch_cs_in_place(r, p, job, ib) ((r)->funcs->patch_cs_in_place((p), (job), (ib)))
323 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
324 #define amdgpu_ring_test_ib(r, t) ((r)->funcs->test_ib ? (r)->funcs->test_ib((r), (t)) : 0)
325 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
326 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
327 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
328 #define amdgpu_ring_emit_ib(r, job, ib, flags) ((r)->funcs->emit_ib((r), (job), (ib), (flags)))
329 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
330 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
331 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
332 #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))
333 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
334 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
335 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
336 #define amdgpu_ring_emit_gfx_shadow(r, s, c, g, i, v) ((r)->funcs->emit_gfx_shadow((r), (s), (c), (g), (i), (v)))
337 #define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o))
338 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
339 #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m))
340 #define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m))
341 #define amdgpu_ring_emit_frame_cntl(r, b, s) (r)->funcs->emit_frame_cntl((r), (b), (s))
342 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
343 #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
344 #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
345 #define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r)
346 #define amdgpu_ring_patch_cntl(r, o) ((r)->funcs->patch_cntl((r), (o)))
347 #define amdgpu_ring_patch_ce(r, o) ((r)->funcs->patch_ce((r), (o)))
348 #define amdgpu_ring_patch_de(r, o) ((r)->funcs->patch_de((r), (o)))
349
350 unsigned int amdgpu_ring_max_ibs(enum amdgpu_ring_type type);
351 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
352 void amdgpu_ring_ib_begin(struct amdgpu_ring *ring);
353 void amdgpu_ring_ib_end(struct amdgpu_ring *ring);
354 void amdgpu_ring_ib_on_emit_cntl(struct amdgpu_ring *ring);
355 void amdgpu_ring_ib_on_emit_ce(struct amdgpu_ring *ring);
356 void amdgpu_ring_ib_on_emit_de(struct amdgpu_ring *ring);
357
358 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
359 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
360 void amdgpu_ring_commit(struct amdgpu_ring *ring);
361 void amdgpu_ring_undo(struct amdgpu_ring *ring);
362 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
363 unsigned int max_dw, struct amdgpu_irq_src *irq_src,
364 unsigned int irq_type, unsigned int hw_prio,
365 atomic_t *sched_score);
366 void amdgpu_ring_fini(struct amdgpu_ring *ring);
367 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,
368 uint32_t reg0, uint32_t val0,
369 uint32_t reg1, uint32_t val1);
370 bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
371 struct dma_fence *fence);
372
amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring * ring,bool cond_exec)373 static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring,
374 bool cond_exec)
375 {
376 *ring->cond_exe_cpu_addr = cond_exec;
377 }
378
amdgpu_ring_clear_ring(struct amdgpu_ring * ring)379 static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring)
380 {
381 int i = 0;
382 while (i <= ring->buf_mask)
383 ring->ring[i++] = ring->funcs->nop;
384
385 }
386
amdgpu_ring_write(struct amdgpu_ring * ring,uint32_t v)387 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
388 {
389 if (ring->count_dw <= 0)
390 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
391 ring->ring[ring->wptr++ & ring->buf_mask] = v;
392 ring->wptr &= ring->ptr_mask;
393 ring->count_dw--;
394 }
395
amdgpu_ring_write_multiple(struct amdgpu_ring * ring,void * src,int count_dw)396 static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring,
397 void *src, int count_dw)
398 {
399 unsigned occupied, chunk1, chunk2;
400 void *dst;
401
402 if (unlikely(ring->count_dw < count_dw))
403 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
404
405 occupied = ring->wptr & ring->buf_mask;
406 dst = (void *)&ring->ring[occupied];
407 chunk1 = ring->buf_mask + 1 - occupied;
408 chunk1 = (chunk1 >= count_dw) ? count_dw : chunk1;
409 chunk2 = count_dw - chunk1;
410 chunk1 <<= 2;
411 chunk2 <<= 2;
412
413 if (chunk1)
414 memcpy(dst, src, chunk1);
415
416 if (chunk2) {
417 src += chunk1;
418 dst = (void *)ring->ring;
419 memcpy(dst, src, chunk2);
420 }
421
422 ring->wptr += count_dw;
423 ring->wptr &= ring->ptr_mask;
424 ring->count_dw -= count_dw;
425 }
426
427 #define amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset) \
428 (ring->is_mes_queue && ring->mes_ctx ? \
429 (ring->mes_ctx->meta_data_gpu_addr + offset) : 0)
430
431 #define amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset) \
432 (ring->is_mes_queue && ring->mes_ctx ? \
433 (void *)((uint8_t *)(ring->mes_ctx->meta_data_ptr) + offset) : \
434 NULL)
435
436 int amdgpu_ring_test_helper(struct amdgpu_ring *ring);
437
438 void amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
439 struct amdgpu_ring *ring);
440
441 int amdgpu_ring_init_mqd(struct amdgpu_ring *ring);
442
amdgpu_ib_get_value(struct amdgpu_ib * ib,int idx)443 static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx)
444 {
445 return ib->ptr[idx];
446 }
447
amdgpu_ib_set_value(struct amdgpu_ib * ib,int idx,uint32_t value)448 static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, int idx,
449 uint32_t value)
450 {
451 ib->ptr[idx] = value;
452 }
453
454 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
455 unsigned size,
456 enum amdgpu_ib_pool_type pool,
457 struct amdgpu_ib *ib);
458 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
459 struct dma_fence *f);
460 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
461 struct amdgpu_ib *ibs, struct amdgpu_job *job,
462 struct dma_fence **f);
463 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
464 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
465 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
466
467 #endif
468