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 #define AMDGPU_MAX_VPE_RINGS 2 48 49 enum amdgpu_ring_priority_level { 50 AMDGPU_RING_PRIO_0, 51 AMDGPU_RING_PRIO_1, 52 AMDGPU_RING_PRIO_DEFAULT = 1, 53 AMDGPU_RING_PRIO_2, 54 AMDGPU_RING_PRIO_MAX 55 }; 56 57 /* some special values for the owner field */ 58 #define AMDGPU_FENCE_OWNER_UNDEFINED ((void *)0ul) 59 #define AMDGPU_FENCE_OWNER_VM ((void *)1ul) 60 #define AMDGPU_FENCE_OWNER_KFD ((void *)2ul) 61 62 #define AMDGPU_FENCE_FLAG_64BIT (1 << 0) 63 #define AMDGPU_FENCE_FLAG_INT (1 << 1) 64 #define AMDGPU_FENCE_FLAG_TC_WB_ONLY (1 << 2) 65 #define AMDGPU_FENCE_FLAG_EXEC (1 << 3) 66 67 #define to_amdgpu_ring(s) container_of((s), struct amdgpu_ring, sched) 68 69 #define AMDGPU_IB_POOL_SIZE (1024 * 1024) 70 71 enum amdgpu_ring_type { 72 AMDGPU_RING_TYPE_GFX = AMDGPU_HW_IP_GFX, 73 AMDGPU_RING_TYPE_COMPUTE = AMDGPU_HW_IP_COMPUTE, 74 AMDGPU_RING_TYPE_SDMA = AMDGPU_HW_IP_DMA, 75 AMDGPU_RING_TYPE_UVD = AMDGPU_HW_IP_UVD, 76 AMDGPU_RING_TYPE_VCE = AMDGPU_HW_IP_VCE, 77 AMDGPU_RING_TYPE_UVD_ENC = AMDGPU_HW_IP_UVD_ENC, 78 AMDGPU_RING_TYPE_VCN_DEC = AMDGPU_HW_IP_VCN_DEC, 79 AMDGPU_RING_TYPE_VCN_ENC = AMDGPU_HW_IP_VCN_ENC, 80 AMDGPU_RING_TYPE_VCN_JPEG = AMDGPU_HW_IP_VCN_JPEG, 81 AMDGPU_RING_TYPE_VPE = AMDGPU_HW_IP_VPE, 82 AMDGPU_RING_TYPE_KIQ, 83 AMDGPU_RING_TYPE_MES, 84 AMDGPU_RING_TYPE_UMSCH_MM, 85 }; 86 87 enum amdgpu_ib_pool_type { 88 /* Normal submissions to the top of the pipeline. */ 89 AMDGPU_IB_POOL_DELAYED, 90 /* Immediate submissions to the bottom of the pipeline. */ 91 AMDGPU_IB_POOL_IMMEDIATE, 92 /* Direct submission to the ring buffer during init and reset. */ 93 AMDGPU_IB_POOL_DIRECT, 94 95 AMDGPU_IB_POOL_MAX 96 }; 97 98 struct amdgpu_ib { 99 struct drm_suballoc *sa_bo; 100 uint32_t length_dw; 101 uint64_t gpu_addr; 102 uint32_t *ptr; 103 uint32_t flags; 104 }; 105 106 struct amdgpu_sched { 107 u32 num_scheds; 108 struct drm_gpu_scheduler *sched[AMDGPU_MAX_HWIP_RINGS]; 109 }; 110 111 /* 112 * Fences. 113 */ 114 struct amdgpu_fence_driver { 115 uint64_t gpu_addr; 116 volatile uint32_t *cpu_addr; 117 /* sync_seq is protected by ring emission lock */ 118 uint32_t sync_seq; 119 atomic_t last_seq; 120 bool initialized; 121 struct amdgpu_irq_src *irq_src; 122 unsigned irq_type; 123 struct timer_list fallback_timer; 124 unsigned num_fences_mask; 125 spinlock_t lock; 126 struct dma_fence **fences; 127 }; 128 129 extern const struct drm_sched_backend_ops amdgpu_sched_ops; 130 131 void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring); 132 void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error); 133 void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring); 134 135 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring); 136 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, 137 struct amdgpu_irq_src *irq_src, 138 unsigned irq_type); 139 void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev); 140 void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev); 141 int amdgpu_fence_driver_sw_init(struct amdgpu_device *adev); 142 void amdgpu_fence_driver_sw_fini(struct amdgpu_device *adev); 143 int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, struct amdgpu_job *job, 144 unsigned flags); 145 int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s, 146 uint32_t timeout); 147 bool amdgpu_fence_process(struct amdgpu_ring *ring); 148 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); 149 signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring, 150 uint32_t wait_seq, 151 signed long timeout); 152 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring); 153 154 void amdgpu_fence_driver_isr_toggle(struct amdgpu_device *adev, bool stop); 155 156 u64 amdgpu_fence_last_unsignaled_time_us(struct amdgpu_ring *ring); 157 void amdgpu_fence_update_start_timestamp(struct amdgpu_ring *ring, uint32_t seq, 158 ktime_t timestamp); 159 160 /* 161 * Rings. 162 */ 163 164 /* provided by hw blocks that expose a ring buffer for commands */ 165 struct amdgpu_ring_funcs { 166 enum amdgpu_ring_type type; 167 uint32_t align_mask; 168 u32 nop; 169 bool support_64bit_ptrs; 170 bool no_user_fence; 171 bool secure_submission_supported; 172 unsigned extra_dw; 173 174 /* ring read/write ptr handling */ 175 u64 (*get_rptr)(struct amdgpu_ring *ring); 176 u64 (*get_wptr)(struct amdgpu_ring *ring); 177 void (*set_wptr)(struct amdgpu_ring *ring); 178 /* validating and patching of IBs */ 179 int (*parse_cs)(struct amdgpu_cs_parser *p, 180 struct amdgpu_job *job, 181 struct amdgpu_ib *ib); 182 int (*patch_cs_in_place)(struct amdgpu_cs_parser *p, 183 struct amdgpu_job *job, 184 struct amdgpu_ib *ib); 185 /* constants to calculate how many DW are needed for an emit */ 186 unsigned emit_frame_size; 187 unsigned emit_ib_size; 188 /* command emit functions */ 189 void (*emit_ib)(struct amdgpu_ring *ring, 190 struct amdgpu_job *job, 191 struct amdgpu_ib *ib, 192 uint32_t flags); 193 void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr, 194 uint64_t seq, unsigned flags); 195 void (*emit_pipeline_sync)(struct amdgpu_ring *ring); 196 void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vmid, 197 uint64_t pd_addr); 198 void (*emit_hdp_flush)(struct amdgpu_ring *ring); 199 void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid, 200 uint32_t gds_base, uint32_t gds_size, 201 uint32_t gws_base, uint32_t gws_size, 202 uint32_t oa_base, uint32_t oa_size); 203 /* testing functions */ 204 int (*test_ring)(struct amdgpu_ring *ring); 205 int (*test_ib)(struct amdgpu_ring *ring, long timeout); 206 /* insert NOP packets */ 207 void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count); 208 void (*insert_start)(struct amdgpu_ring *ring); 209 void (*insert_end)(struct amdgpu_ring *ring); 210 /* pad the indirect buffer to the necessary number of dw */ 211 void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib); 212 unsigned (*init_cond_exec)(struct amdgpu_ring *ring, uint64_t addr); 213 /* note usage for clock and power gating */ 214 void (*begin_use)(struct amdgpu_ring *ring); 215 void (*end_use)(struct amdgpu_ring *ring); 216 void (*emit_switch_buffer) (struct amdgpu_ring *ring); 217 void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags); 218 void (*emit_gfx_shadow)(struct amdgpu_ring *ring, u64 shadow_va, u64 csa_va, 219 u64 gds_va, bool init_shadow, int vmid); 220 void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg, 221 uint32_t reg_val_offs); 222 void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val); 223 void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg, 224 uint32_t val, uint32_t mask); 225 void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring, 226 uint32_t reg0, uint32_t reg1, 227 uint32_t ref, uint32_t mask); 228 void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start, 229 bool secure); 230 /* Try to soft recover the ring to make the fence signal */ 231 void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid); 232 int (*preempt_ib)(struct amdgpu_ring *ring); 233 void (*emit_mem_sync)(struct amdgpu_ring *ring); 234 void (*emit_wave_limit)(struct amdgpu_ring *ring, bool enable); 235 void (*patch_cntl)(struct amdgpu_ring *ring, unsigned offset); 236 void (*patch_ce)(struct amdgpu_ring *ring, unsigned offset); 237 void (*patch_de)(struct amdgpu_ring *ring, unsigned offset); 238 int (*reset)(struct amdgpu_ring *ring, unsigned int vmid); 239 void (*emit_cleaner_shader)(struct amdgpu_ring *ring); 240 }; 241 242 struct amdgpu_ring { 243 struct amdgpu_device *adev; 244 const struct amdgpu_ring_funcs *funcs; 245 struct amdgpu_fence_driver fence_drv; 246 struct drm_gpu_scheduler sched; 247 248 struct amdgpu_bo *ring_obj; 249 volatile uint32_t *ring; 250 unsigned rptr_offs; 251 u64 rptr_gpu_addr; 252 volatile u32 *rptr_cpu_addr; 253 u64 wptr; 254 u64 wptr_old; 255 unsigned ring_size; 256 unsigned max_dw; 257 int count_dw; 258 uint64_t gpu_addr; 259 uint64_t ptr_mask; 260 uint32_t buf_mask; 261 u32 idx; 262 u32 xcc_id; 263 u32 xcp_id; 264 u32 me; 265 u32 pipe; 266 u32 queue; 267 struct amdgpu_bo *mqd_obj; 268 uint64_t mqd_gpu_addr; 269 void *mqd_ptr; 270 unsigned mqd_size; 271 uint64_t eop_gpu_addr; 272 u32 doorbell_index; 273 bool use_doorbell; 274 bool use_pollmem; 275 unsigned wptr_offs; 276 u64 wptr_gpu_addr; 277 volatile u32 *wptr_cpu_addr; 278 unsigned fence_offs; 279 u64 fence_gpu_addr; 280 volatile u32 *fence_cpu_addr; 281 uint64_t current_ctx; 282 char name[16]; 283 u32 trail_seq; 284 unsigned trail_fence_offs; 285 u64 trail_fence_gpu_addr; 286 volatile u32 *trail_fence_cpu_addr; 287 unsigned cond_exe_offs; 288 u64 cond_exe_gpu_addr; 289 volatile u32 *cond_exe_cpu_addr; 290 unsigned int set_q_mode_offs; 291 volatile u32 *set_q_mode_ptr; 292 u64 set_q_mode_token; 293 unsigned vm_hub; 294 unsigned vm_inv_eng; 295 struct dma_fence *vmid_wait; 296 bool has_compute_vm_bug; 297 bool no_scheduler; 298 int hw_prio; 299 unsigned num_hw_submission; 300 atomic_t *sched_score; 301 302 /* used for mes */ 303 bool is_mes_queue; 304 uint32_t hw_queue_id; 305 struct amdgpu_mes_ctx_data *mes_ctx; 306 307 bool is_sw_ring; 308 unsigned int entry_index; 309 310 }; 311 312 #define amdgpu_ring_parse_cs(r, p, job, ib) ((r)->funcs->parse_cs((p), (job), (ib))) 313 #define amdgpu_ring_patch_cs_in_place(r, p, job, ib) ((r)->funcs->patch_cs_in_place((p), (job), (ib))) 314 #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r)) 315 #define amdgpu_ring_test_ib(r, t) ((r)->funcs->test_ib ? (r)->funcs->test_ib((r), (t)) : 0) 316 #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r)) 317 #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r)) 318 #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r)) 319 #define amdgpu_ring_emit_ib(r, job, ib, flags) ((r)->funcs->emit_ib((r), (job), (ib), (flags))) 320 #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r)) 321 #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr)) 322 #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags)) 323 #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)) 324 #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r)) 325 #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r)) 326 #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d)) 327 #define amdgpu_ring_emit_gfx_shadow(r, s, c, g, i, v) ((r)->funcs->emit_gfx_shadow((r), (s), (c), (g), (i), (v))) 328 #define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o)) 329 #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v)) 330 #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m)) 331 #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)) 332 #define amdgpu_ring_emit_frame_cntl(r, b, s) (r)->funcs->emit_frame_cntl((r), (b), (s)) 333 #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib))) 334 #define amdgpu_ring_init_cond_exec(r, a) (r)->funcs->init_cond_exec((r), (a)) 335 #define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r) 336 #define amdgpu_ring_patch_cntl(r, o) ((r)->funcs->patch_cntl((r), (o))) 337 #define amdgpu_ring_patch_ce(r, o) ((r)->funcs->patch_ce((r), (o))) 338 #define amdgpu_ring_patch_de(r, o) ((r)->funcs->patch_de((r), (o))) 339 #define amdgpu_ring_reset(r, v) (r)->funcs->reset((r), (v)) 340 341 unsigned int amdgpu_ring_max_ibs(enum amdgpu_ring_type type); 342 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw); 343 void amdgpu_ring_ib_begin(struct amdgpu_ring *ring); 344 void amdgpu_ring_ib_end(struct amdgpu_ring *ring); 345 void amdgpu_ring_ib_on_emit_cntl(struct amdgpu_ring *ring); 346 void amdgpu_ring_ib_on_emit_ce(struct amdgpu_ring *ring); 347 void amdgpu_ring_ib_on_emit_de(struct amdgpu_ring *ring); 348 349 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count); 350 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib); 351 void amdgpu_ring_commit(struct amdgpu_ring *ring); 352 void amdgpu_ring_undo(struct amdgpu_ring *ring); 353 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, 354 unsigned int max_dw, struct amdgpu_irq_src *irq_src, 355 unsigned int irq_type, unsigned int hw_prio, 356 atomic_t *sched_score); 357 void amdgpu_ring_fini(struct amdgpu_ring *ring); 358 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring, 359 uint32_t reg0, uint32_t val0, 360 uint32_t reg1, uint32_t val1); 361 bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid, 362 struct dma_fence *fence); 363 364 static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring, 365 bool cond_exec) 366 { 367 *ring->cond_exe_cpu_addr = cond_exec; 368 } 369 370 static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) 371 { 372 int i = 0; 373 while (i <= ring->buf_mask) 374 ring->ring[i++] = ring->funcs->nop; 375 376 } 377 378 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v) 379 { 380 if (ring->count_dw <= 0) 381 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n"); 382 ring->ring[ring->wptr++ & ring->buf_mask] = v; 383 ring->wptr &= ring->ptr_mask; 384 ring->count_dw--; 385 } 386 387 static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, 388 void *src, int count_dw) 389 { 390 unsigned occupied, chunk1, chunk2; 391 void *dst; 392 393 if (unlikely(ring->count_dw < count_dw)) 394 DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n"); 395 396 occupied = ring->wptr & ring->buf_mask; 397 dst = (void *)&ring->ring[occupied]; 398 chunk1 = ring->buf_mask + 1 - occupied; 399 chunk1 = (chunk1 >= count_dw) ? count_dw : chunk1; 400 chunk2 = count_dw - chunk1; 401 chunk1 <<= 2; 402 chunk2 <<= 2; 403 404 if (chunk1) 405 memcpy(dst, src, chunk1); 406 407 if (chunk2) { 408 src += chunk1; 409 dst = (void *)ring->ring; 410 memcpy(dst, src, chunk2); 411 } 412 413 ring->wptr += count_dw; 414 ring->wptr &= ring->ptr_mask; 415 ring->count_dw -= count_dw; 416 } 417 418 /** 419 * amdgpu_ring_patch_cond_exec - patch dw count of conditional execute 420 * @ring: amdgpu_ring structure 421 * @offset: offset returned by amdgpu_ring_init_cond_exec 422 * 423 * Calculate the dw count and patch it into a cond_exec command. 424 */ 425 static inline void amdgpu_ring_patch_cond_exec(struct amdgpu_ring *ring, 426 unsigned int offset) 427 { 428 unsigned cur; 429 430 if (!ring->funcs->init_cond_exec) 431 return; 432 433 WARN_ON(offset > ring->buf_mask); 434 WARN_ON(ring->ring[offset] != 0); 435 436 cur = (ring->wptr - 1) & ring->buf_mask; 437 if (cur < offset) 438 cur += ring->ring_size >> 2; 439 ring->ring[offset] = cur - offset; 440 } 441 442 #define amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset) \ 443 (ring->is_mes_queue && ring->mes_ctx ? \ 444 (ring->mes_ctx->meta_data_gpu_addr + offset) : 0) 445 446 #define amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset) \ 447 (ring->is_mes_queue && ring->mes_ctx ? \ 448 (void *)((uint8_t *)(ring->mes_ctx->meta_data_ptr) + offset) : \ 449 NULL) 450 451 int amdgpu_ring_test_helper(struct amdgpu_ring *ring); 452 453 void amdgpu_debugfs_ring_init(struct amdgpu_device *adev, 454 struct amdgpu_ring *ring); 455 456 int amdgpu_ring_init_mqd(struct amdgpu_ring *ring); 457 458 static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx) 459 { 460 return ib->ptr[idx]; 461 } 462 463 static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, int idx, 464 uint32_t value) 465 { 466 ib->ptr[idx] = value; 467 } 468 469 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm, 470 unsigned size, 471 enum amdgpu_ib_pool_type pool, 472 struct amdgpu_ib *ib); 473 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib, 474 struct dma_fence *f); 475 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, 476 struct amdgpu_ib *ibs, struct amdgpu_job *job, 477 struct dma_fence **f); 478 int amdgpu_ib_pool_init(struct amdgpu_device *adev); 479 void amdgpu_ib_pool_fini(struct amdgpu_device *adev); 480 int amdgpu_ib_ring_tests(struct amdgpu_device *adev); 481 bool amdgpu_ring_sched_ready(struct amdgpu_ring *ring); 482 #endif 483