2 * Copyright © 2008 Jérôme Glisse
3 * Copyright © 2010 Marek Olšák <maraeo@gmail.com>
4 * Copyright © 2015 Advanced Micro Devices, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
19 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * The above copyright notice and this permission notice (including the
25 * next paragraph) shall be included in all copies or substantial portions
30 * Marek Olšák <maraeo@gmail.com>
33 #include "amdgpu_cs.h"
34 #include "os/os_time.h"
36 #include <amdgpu_drm.h>
41 static struct pipe_fence_handle
*
42 amdgpu_fence_create(struct amdgpu_ctx
*ctx
, unsigned ip_type
,
43 unsigned ip_instance
, unsigned ring
)
45 struct amdgpu_fence
*fence
= CALLOC_STRUCT(amdgpu_fence
);
47 fence
->reference
.count
= 1;
49 fence
->fence
.context
= ctx
->ctx
;
50 fence
->fence
.ip_type
= ip_type
;
51 fence
->fence
.ip_instance
= ip_instance
;
52 fence
->fence
.ring
= ring
;
53 p_atomic_inc(&ctx
->refcount
);
54 return (struct pipe_fence_handle
*)fence
;
57 static void amdgpu_fence_submitted(struct pipe_fence_handle
*fence
,
58 struct amdgpu_cs_request
* request
,
59 uint64_t *user_fence_cpu_address
)
61 struct amdgpu_fence
*rfence
= (struct amdgpu_fence
*)fence
;
63 rfence
->fence
.fence
= request
->seq_no
;
64 rfence
->user_fence_cpu_address
= user_fence_cpu_address
;
67 static void amdgpu_fence_signalled(struct pipe_fence_handle
*fence
)
69 struct amdgpu_fence
*rfence
= (struct amdgpu_fence
*)fence
;
71 rfence
->signalled
= true;
74 bool amdgpu_fence_wait(struct pipe_fence_handle
*fence
, uint64_t timeout
,
77 struct amdgpu_fence
*rfence
= (struct amdgpu_fence
*)fence
;
80 uint64_t *user_fence_cpu
;
83 if (rfence
->signalled
)
87 abs_timeout
= timeout
;
89 abs_timeout
= os_time_get_absolute_timeout(timeout
);
91 user_fence_cpu
= rfence
->user_fence_cpu_address
;
92 if (user_fence_cpu
&& *user_fence_cpu
>= rfence
->fence
.fence
) {
93 rfence
->signalled
= true;
96 /* Now use the libdrm query. */
97 r
= amdgpu_cs_query_fence_status(&rfence
->fence
,
99 AMDGPU_QUERY_FENCE_TIMEOUT_IS_ABSOLUTE
,
102 fprintf(stderr
, "amdgpu: amdgpu_cs_query_fence_status failed.\n");
107 /* This variable can only transition from false to true, so it doesn't
108 * matter if threads race for it. */
109 rfence
->signalled
= true;
115 static bool amdgpu_fence_wait_rel_timeout(struct radeon_winsys
*rws
,
116 struct pipe_fence_handle
*fence
,
119 return amdgpu_fence_wait(fence
, timeout
, false);
124 static struct radeon_winsys_ctx
*amdgpu_ctx_create(struct radeon_winsys
*ws
)
126 struct amdgpu_ctx
*ctx
= CALLOC_STRUCT(amdgpu_ctx
);
128 struct amdgpu_bo_alloc_request alloc_buffer
= {};
129 amdgpu_bo_handle buf_handle
;
131 ctx
->ws
= amdgpu_winsys(ws
);
134 r
= amdgpu_cs_ctx_create(ctx
->ws
->dev
, &ctx
->ctx
);
136 fprintf(stderr
, "amdgpu: amdgpu_cs_ctx_create failed. (%i)\n", r
);
141 alloc_buffer
.alloc_size
= ctx
->ws
->info
.gart_page_size
;
142 alloc_buffer
.phys_alignment
= ctx
->ws
->info
.gart_page_size
;
143 alloc_buffer
.preferred_heap
= AMDGPU_GEM_DOMAIN_GTT
;
145 r
= amdgpu_bo_alloc(ctx
->ws
->dev
, &alloc_buffer
, &buf_handle
);
147 fprintf(stderr
, "amdgpu: amdgpu_bo_alloc failed. (%i)\n", r
);
148 amdgpu_cs_ctx_free(ctx
->ctx
);
153 r
= amdgpu_bo_cpu_map(buf_handle
, (void**)&ctx
->user_fence_cpu_address_base
);
155 fprintf(stderr
, "amdgpu: amdgpu_bo_cpu_map failed. (%i)\n", r
);
156 amdgpu_bo_free(buf_handle
);
157 amdgpu_cs_ctx_free(ctx
->ctx
);
162 memset(ctx
->user_fence_cpu_address_base
, 0, alloc_buffer
.alloc_size
);
163 ctx
->user_fence_bo
= buf_handle
;
165 return (struct radeon_winsys_ctx
*)ctx
;
168 static void amdgpu_ctx_destroy(struct radeon_winsys_ctx
*rwctx
)
170 amdgpu_ctx_unref((struct amdgpu_ctx
*)rwctx
);
173 static enum pipe_reset_status
174 amdgpu_ctx_query_reset_status(struct radeon_winsys_ctx
*rwctx
)
176 struct amdgpu_ctx
*ctx
= (struct amdgpu_ctx
*)rwctx
;
177 uint32_t result
, hangs
;
180 r
= amdgpu_cs_query_reset_state(ctx
->ctx
, &result
, &hangs
);
182 fprintf(stderr
, "amdgpu: amdgpu_cs_query_reset_state failed. (%i)\n", r
);
183 return PIPE_NO_RESET
;
187 case AMDGPU_CTX_GUILTY_RESET
:
188 return PIPE_GUILTY_CONTEXT_RESET
;
189 case AMDGPU_CTX_INNOCENT_RESET
:
190 return PIPE_INNOCENT_CONTEXT_RESET
;
191 case AMDGPU_CTX_UNKNOWN_RESET
:
192 return PIPE_UNKNOWN_CONTEXT_RESET
;
193 case AMDGPU_CTX_NO_RESET
:
195 return PIPE_NO_RESET
;
199 /* COMMAND SUBMISSION */
201 static bool amdgpu_get_new_ib(struct radeon_winsys
*ws
, struct amdgpu_ib
*ib
,
202 struct amdgpu_cs_ib_info
*info
, unsigned ib_type
)
204 struct amdgpu_winsys
*aws
= (struct amdgpu_winsys
*)ws
;
205 /* Small IBs are better than big IBs, because the GPU goes idle quicker
206 * and there is less waiting for buffers and fences. Proof:
207 * http://www.phoronix.com/scan.php?page=article&item=mesa-111-si&num=1
209 unsigned buffer_size
, ib_size
;
212 case IB_CONST_PREAMBLE
:
213 buffer_size
= 4 * 1024 * 4;
217 buffer_size
= 512 * 1024 * 4;
218 ib_size
= 128 * 1024 * 4;
221 buffer_size
= 128 * 1024 * 4;
222 ib_size
= 20 * 1024 * 4;
225 unreachable("unhandled IB type");
231 /* Allocate a new buffer for IBs if the current buffer is all used. */
232 if (!ib
->big_ib_buffer
||
233 ib
->used_ib_space
+ ib_size
> ib
->big_ib_buffer
->size
) {
235 pb_reference(&ib
->big_ib_buffer
, NULL
);
236 ib
->ib_mapped
= NULL
;
237 ib
->used_ib_space
= 0;
239 ib
->big_ib_buffer
= ws
->buffer_create(ws
, buffer_size
,
240 aws
->info
.gart_page_size
,
242 RADEON_FLAG_CPU_ACCESS
);
243 if (!ib
->big_ib_buffer
)
246 ib
->ib_mapped
= ws
->buffer_map(ib
->big_ib_buffer
, NULL
,
247 PIPE_TRANSFER_WRITE
);
248 if (!ib
->ib_mapped
) {
249 pb_reference(&ib
->big_ib_buffer
, NULL
);
254 info
->ib_mc_address
= amdgpu_winsys_bo(ib
->big_ib_buffer
)->va
+
256 ib
->base
.buf
= (uint32_t*)(ib
->ib_mapped
+ ib
->used_ib_space
);
257 ib
->base
.max_dw
= ib_size
/ 4;
261 static boolean
amdgpu_init_cs_context(struct amdgpu_cs
*cs
,
262 enum ring_type ring_type
)
268 cs
->request
.ip_type
= AMDGPU_HW_IP_DMA
;
272 cs
->request
.ip_type
= AMDGPU_HW_IP_UVD
;
276 cs
->request
.ip_type
= AMDGPU_HW_IP_VCE
;
280 cs
->request
.ip_type
= AMDGPU_HW_IP_COMPUTE
;
285 cs
->request
.ip_type
= AMDGPU_HW_IP_GFX
;
289 cs
->max_num_buffers
= 512;
290 cs
->buffers
= (struct amdgpu_cs_buffer
*)
291 CALLOC(1, cs
->max_num_buffers
* sizeof(struct amdgpu_cs_buffer
));
296 cs
->handles
= CALLOC(1, cs
->max_num_buffers
* sizeof(amdgpu_bo_handle
));
302 cs
->flags
= CALLOC(1, cs
->max_num_buffers
);
309 for (i
= 0; i
< ARRAY_SIZE(cs
->buffer_indices_hashlist
); i
++) {
310 cs
->buffer_indices_hashlist
[i
] = -1;
315 static void amdgpu_cs_context_cleanup(struct amdgpu_cs
*cs
)
319 for (i
= 0; i
< cs
->num_buffers
; i
++) {
320 p_atomic_dec(&cs
->buffers
[i
].bo
->num_cs_references
);
321 amdgpu_winsys_bo_reference(&cs
->buffers
[i
].bo
, NULL
);
322 cs
->handles
[i
] = NULL
;
330 for (i
= 0; i
< ARRAY_SIZE(cs
->buffer_indices_hashlist
); i
++) {
331 cs
->buffer_indices_hashlist
[i
] = -1;
335 static void amdgpu_destroy_cs_context(struct amdgpu_cs
*cs
)
337 amdgpu_cs_context_cleanup(cs
);
341 FREE(cs
->request
.dependencies
);
345 static struct radeon_winsys_cs
*
346 amdgpu_cs_create(struct radeon_winsys_ctx
*rwctx
,
347 enum ring_type ring_type
,
348 void (*flush
)(void *ctx
, unsigned flags
,
349 struct pipe_fence_handle
**fence
),
352 struct amdgpu_ctx
*ctx
= (struct amdgpu_ctx
*)rwctx
;
353 struct amdgpu_cs
*cs
;
355 cs
= CALLOC_STRUCT(amdgpu_cs
);
361 cs
->flush_cs
= flush
;
362 cs
->flush_data
= flush_ctx
;
363 cs
->ring_type
= ring_type
;
365 if (!amdgpu_init_cs_context(cs
, ring_type
)) {
370 if (!amdgpu_get_new_ib(&ctx
->ws
->base
, &cs
->main
, &cs
->ib
[IB_MAIN
], IB_MAIN
)) {
371 amdgpu_destroy_cs_context(cs
);
376 cs
->request
.number_of_ibs
= 1;
377 cs
->request
.ibs
= &cs
->ib
[IB_MAIN
];
379 p_atomic_inc(&ctx
->ws
->num_cs
);
380 return &cs
->main
.base
;
383 static struct radeon_winsys_cs
*
384 amdgpu_cs_add_const_ib(struct radeon_winsys_cs
*rcs
)
386 struct amdgpu_cs
*cs
= (struct amdgpu_cs
*)rcs
;
387 struct amdgpu_winsys
*ws
= cs
->ctx
->ws
;
389 /* only one const IB can be added */
390 if (cs
->ring_type
!= RING_GFX
|| cs
->const_ib
.ib_mapped
)
393 if (!amdgpu_get_new_ib(&ws
->base
, &cs
->const_ib
, &cs
->ib
[IB_CONST
], IB_CONST
))
396 cs
->request
.number_of_ibs
= 2;
397 cs
->request
.ibs
= &cs
->ib
[IB_CONST
];
398 cs
->ib
[IB_CONST
].flags
= AMDGPU_IB_FLAG_CE
;
400 return &cs
->const_ib
.base
;
403 static struct radeon_winsys_cs
*
404 amdgpu_cs_add_const_preamble_ib(struct radeon_winsys_cs
*rcs
)
406 struct amdgpu_cs
*cs
= (struct amdgpu_cs
*)rcs
;
407 struct amdgpu_winsys
*ws
= cs
->ctx
->ws
;
409 /* only one const preamble IB can be added and only when the const IB has
410 * also been mapped */
411 if (cs
->ring_type
!= RING_GFX
|| !cs
->const_ib
.ib_mapped
||
412 cs
->const_preamble_ib
.ib_mapped
)
415 if (!amdgpu_get_new_ib(&ws
->base
, &cs
->const_preamble_ib
,
416 &cs
->ib
[IB_CONST_PREAMBLE
], IB_CONST_PREAMBLE
))
419 cs
->request
.number_of_ibs
= 3;
420 cs
->request
.ibs
= &cs
->ib
[IB_CONST_PREAMBLE
];
421 cs
->ib
[IB_CONST_PREAMBLE
].flags
= AMDGPU_IB_FLAG_CE
| AMDGPU_IB_FLAG_PREAMBLE
;
423 return &cs
->const_preamble_ib
.base
;
426 #define OUT_CS(cs, value) (cs)->buf[(cs)->cdw++] = (value)
428 int amdgpu_lookup_buffer(struct amdgpu_cs
*cs
, struct amdgpu_winsys_bo
*bo
)
430 unsigned hash
= bo
->unique_id
& (ARRAY_SIZE(cs
->buffer_indices_hashlist
)-1);
431 int i
= cs
->buffer_indices_hashlist
[hash
];
433 /* not found or found */
434 if (i
== -1 || cs
->buffers
[i
].bo
== bo
)
437 /* Hash collision, look for the BO in the list of buffers linearly. */
438 for (i
= cs
->num_buffers
- 1; i
>= 0; i
--) {
439 if (cs
->buffers
[i
].bo
== bo
) {
440 /* Put this buffer in the hash list.
441 * This will prevent additional hash collisions if there are
442 * several consecutive lookup_buffer calls for the same buffer.
444 * Example: Assuming buffers A,B,C collide in the hash list,
445 * the following sequence of buffers:
446 * AAAAAAAAAAABBBBBBBBBBBBBBCCCCCCCC
447 * will collide here: ^ and here: ^,
448 * meaning that we should get very few collisions in the end. */
449 cs
->buffer_indices_hashlist
[hash
] = i
;
456 static unsigned amdgpu_add_buffer(struct amdgpu_cs
*cs
,
457 struct amdgpu_winsys_bo
*bo
,
458 enum radeon_bo_usage usage
,
459 enum radeon_bo_domain domains
,
461 enum radeon_bo_domain
*added_domains
)
463 struct amdgpu_cs_buffer
*buffer
;
464 unsigned hash
= bo
->unique_id
& (ARRAY_SIZE(cs
->buffer_indices_hashlist
)-1);
467 assert(priority
< 64);
470 i
= amdgpu_lookup_buffer(cs
, bo
);
473 buffer
= &cs
->buffers
[i
];
474 buffer
->priority_usage
|= 1llu << priority
;
475 buffer
->usage
|= usage
;
476 *added_domains
= domains
& ~buffer
->domains
;
477 buffer
->domains
|= domains
;
478 cs
->flags
[i
] = MAX2(cs
->flags
[i
], priority
/ 4);
482 /* New buffer, check if the backing array is large enough. */
483 if (cs
->num_buffers
>= cs
->max_num_buffers
) {
485 cs
->max_num_buffers
+= 10;
487 size
= cs
->max_num_buffers
* sizeof(struct amdgpu_cs_buffer
);
488 cs
->buffers
= realloc(cs
->buffers
, size
);
490 size
= cs
->max_num_buffers
* sizeof(amdgpu_bo_handle
);
491 cs
->handles
= realloc(cs
->handles
, size
);
493 cs
->flags
= realloc(cs
->flags
, cs
->max_num_buffers
);
496 /* Initialize the new buffer. */
497 cs
->buffers
[cs
->num_buffers
].bo
= NULL
;
498 amdgpu_winsys_bo_reference(&cs
->buffers
[cs
->num_buffers
].bo
, bo
);
499 cs
->handles
[cs
->num_buffers
] = bo
->bo
;
500 cs
->flags
[cs
->num_buffers
] = priority
/ 4;
501 p_atomic_inc(&bo
->num_cs_references
);
502 buffer
= &cs
->buffers
[cs
->num_buffers
];
504 buffer
->priority_usage
= 1llu << priority
;
505 buffer
->usage
= usage
;
506 buffer
->domains
= domains
;
508 cs
->buffer_indices_hashlist
[hash
] = cs
->num_buffers
;
510 *added_domains
= domains
;
511 return cs
->num_buffers
++;
514 static unsigned amdgpu_cs_add_buffer(struct radeon_winsys_cs
*rcs
,
515 struct pb_buffer
*buf
,
516 enum radeon_bo_usage usage
,
517 enum radeon_bo_domain domains
,
518 enum radeon_bo_priority priority
)
520 /* Don't use the "domains" parameter. Amdgpu doesn't support changing
521 * the buffer placement during command submission.
523 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
524 struct amdgpu_winsys_bo
*bo
= (struct amdgpu_winsys_bo
*)buf
;
525 enum radeon_bo_domain added_domains
;
526 unsigned index
= amdgpu_add_buffer(cs
, bo
, usage
, bo
->initial_domain
,
527 priority
, &added_domains
);
529 if (added_domains
& RADEON_DOMAIN_VRAM
)
530 cs
->used_vram
+= bo
->base
.size
;
531 else if (added_domains
& RADEON_DOMAIN_GTT
)
532 cs
->used_gart
+= bo
->base
.size
;
537 static int amdgpu_cs_lookup_buffer(struct radeon_winsys_cs
*rcs
,
538 struct pb_buffer
*buf
)
540 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
542 return amdgpu_lookup_buffer(cs
, (struct amdgpu_winsys_bo
*)buf
);
545 static boolean
amdgpu_cs_validate(struct radeon_winsys_cs
*rcs
)
550 static boolean
amdgpu_cs_memory_below_limit(struct radeon_winsys_cs
*rcs
, uint64_t vram
, uint64_t gtt
)
552 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
553 struct amdgpu_winsys
*ws
= cs
->ctx
->ws
;
555 vram
+= cs
->used_vram
;
556 gtt
+= cs
->used_gart
;
558 /* Anything that goes above the VRAM size should go to GTT. */
559 if (vram
> ws
->info
.vram_size
)
560 gtt
+= vram
- ws
->info
.vram_size
;
562 /* Now we just need to check if we have enough GTT. */
563 return gtt
< ws
->info
.gart_size
* 0.7;
566 static uint64_t amdgpu_cs_query_memory_usage(struct radeon_winsys_cs
*rcs
)
568 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
570 return cs
->used_vram
+ cs
->used_gart
;
573 static unsigned amdgpu_cs_get_buffer_list(struct radeon_winsys_cs
*rcs
,
574 struct radeon_bo_list_item
*list
)
576 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
580 for (i
= 0; i
< cs
->num_buffers
; i
++) {
581 pb_reference(&list
[i
].buf
, &cs
->buffers
[i
].bo
->base
);
582 list
[i
].vm_address
= cs
->buffers
[i
].bo
->va
;
583 list
[i
].priority_usage
= cs
->buffers
[i
].priority_usage
;
586 return cs
->num_buffers
;
589 static void amdgpu_cs_do_submission(struct amdgpu_cs
*cs
,
590 struct pipe_fence_handle
**out_fence
)
592 struct amdgpu_winsys
*ws
= cs
->ctx
->ws
;
593 struct pipe_fence_handle
*fence
;
596 /* Create a fence. */
597 fence
= amdgpu_fence_create(cs
->ctx
,
599 cs
->request
.ip_instance
,
602 amdgpu_fence_reference(out_fence
, fence
);
604 cs
->request
.number_of_dependencies
= 0;
606 /* Since the kernel driver doesn't synchronize execution between different
607 * rings automatically, we have to add fence dependencies manually. */
608 pipe_mutex_lock(ws
->bo_fence_lock
);
609 for (i
= 0; i
< cs
->num_buffers
; i
++) {
610 for (j
= 0; j
< RING_LAST
; j
++) {
611 struct amdgpu_cs_fence
*dep
;
614 struct amdgpu_fence
*bo_fence
= (void *)cs
->buffers
[i
].bo
->fence
[j
];
618 if (bo_fence
->ctx
== cs
->ctx
&&
619 bo_fence
->fence
.ip_type
== cs
->request
.ip_type
&&
620 bo_fence
->fence
.ip_instance
== cs
->request
.ip_instance
&&
621 bo_fence
->fence
.ring
== cs
->request
.ring
)
624 if (amdgpu_fence_wait((void *)bo_fence
, 0, false))
627 idx
= cs
->request
.number_of_dependencies
++;
628 if (idx
>= cs
->max_dependencies
) {
631 cs
->max_dependencies
= idx
+ 8;
632 size
= cs
->max_dependencies
* sizeof(struct amdgpu_cs_fence
);
633 cs
->request
.dependencies
= realloc(cs
->request
.dependencies
, size
);
636 dep
= &cs
->request
.dependencies
[idx
];
637 memcpy(dep
, &bo_fence
->fence
, sizeof(*dep
));
641 cs
->request
.fence_info
.handle
= NULL
;
642 if (cs
->request
.ip_type
!= AMDGPU_HW_IP_UVD
&& cs
->request
.ip_type
!= AMDGPU_HW_IP_VCE
) {
643 cs
->request
.fence_info
.handle
= cs
->ctx
->user_fence_bo
;
644 cs
->request
.fence_info
.offset
= cs
->ring_type
;
647 r
= amdgpu_cs_submit(cs
->ctx
->ctx
, 0, &cs
->request
, 1);
650 fprintf(stderr
, "amdgpu: Not enough memory for command submission.\n");
652 fprintf(stderr
, "amdgpu: The CS has been rejected, "
653 "see dmesg for more information.\n");
655 amdgpu_fence_signalled(fence
);
658 uint64_t *user_fence
= NULL
;
659 if (cs
->request
.ip_type
!= AMDGPU_HW_IP_UVD
&& cs
->request
.ip_type
!= AMDGPU_HW_IP_VCE
)
660 user_fence
= cs
->ctx
->user_fence_cpu_address_base
+
661 cs
->request
.fence_info
.offset
;
662 amdgpu_fence_submitted(fence
, &cs
->request
, user_fence
);
664 for (i
= 0; i
< cs
->num_buffers
; i
++)
665 amdgpu_fence_reference(&cs
->buffers
[i
].bo
->fence
[cs
->ring_type
],
668 pipe_mutex_unlock(ws
->bo_fence_lock
);
669 amdgpu_fence_reference(&fence
, NULL
);
672 static void amdgpu_cs_sync_flush(struct radeon_winsys_cs
*rcs
)
677 DEBUG_GET_ONCE_BOOL_OPTION(noop
, "RADEON_NOOP", FALSE
)
678 DEBUG_GET_ONCE_BOOL_OPTION(all_bos
, "RADEON_ALL_BOS", FALSE
)
680 static void amdgpu_cs_flush(struct radeon_winsys_cs
*rcs
,
682 struct pipe_fence_handle
**fence
)
684 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
685 struct amdgpu_winsys
*ws
= cs
->ctx
->ws
;
687 switch (cs
->ring_type
) {
689 /* pad DMA ring to 8 DWs */
691 OUT_CS(rcs
, 0x00000000); /* NOP packet */
694 /* pad GFX ring to 8 DWs to meet CP fetch alignment requirements */
696 OUT_CS(rcs
, 0xffff1000); /* type3 nop packet */
698 /* Also pad the const IB. */
699 if (cs
->const_ib
.ib_mapped
)
700 while (!cs
->const_ib
.base
.cdw
|| (cs
->const_ib
.base
.cdw
& 7))
701 OUT_CS(&cs
->const_ib
.base
, 0xffff1000); /* type3 nop packet */
703 if (cs
->const_preamble_ib
.ib_mapped
)
704 while (!cs
->const_preamble_ib
.base
.cdw
|| (cs
->const_preamble_ib
.base
.cdw
& 7))
705 OUT_CS(&cs
->const_preamble_ib
.base
, 0xffff1000);
708 while (rcs
->cdw
& 15)
709 OUT_CS(rcs
, 0x80000000); /* type2 nop packet */
715 if (rcs
->cdw
> rcs
->max_dw
) {
716 fprintf(stderr
, "amdgpu: command stream overflowed\n");
719 amdgpu_cs_add_buffer(rcs
, cs
->main
.big_ib_buffer
,
720 RADEON_USAGE_READ
, 0, RADEON_PRIO_IB1
);
722 if (cs
->const_ib
.ib_mapped
)
723 amdgpu_cs_add_buffer(rcs
, cs
->const_ib
.big_ib_buffer
,
724 RADEON_USAGE_READ
, 0, RADEON_PRIO_IB1
);
726 if (cs
->const_preamble_ib
.ib_mapped
)
727 amdgpu_cs_add_buffer(rcs
, cs
->const_preamble_ib
.big_ib_buffer
,
728 RADEON_USAGE_READ
, 0, RADEON_PRIO_IB1
);
730 /* If the CS is not empty or overflowed.... */
731 if (cs
->main
.base
.cdw
&& cs
->main
.base
.cdw
<= cs
->main
.base
.max_dw
&& !debug_get_option_noop()) {
734 /* Use a buffer list containing all allocated buffers if requested. */
735 if (debug_get_option_all_bos()) {
736 struct amdgpu_winsys_bo
*bo
;
737 amdgpu_bo_handle
*handles
;
740 pipe_mutex_lock(ws
->global_bo_list_lock
);
742 handles
= malloc(sizeof(handles
[0]) * ws
->num_buffers
);
744 pipe_mutex_unlock(ws
->global_bo_list_lock
);
748 LIST_FOR_EACH_ENTRY(bo
, &ws
->global_bo_list
, global_list_item
) {
749 assert(num
< ws
->num_buffers
);
750 handles
[num
++] = bo
->bo
;
753 r
= amdgpu_bo_list_create(ws
->dev
, ws
->num_buffers
,
755 &cs
->request
.resources
);
757 pipe_mutex_unlock(ws
->global_bo_list_lock
);
759 r
= amdgpu_bo_list_create(ws
->dev
, cs
->num_buffers
,
760 cs
->handles
, cs
->flags
,
761 &cs
->request
.resources
);
765 fprintf(stderr
, "amdgpu: resource list creation failed (%d)\n", r
);
766 cs
->request
.resources
= NULL
;
770 cs
->ib
[IB_MAIN
].size
= cs
->main
.base
.cdw
;
771 cs
->main
.used_ib_space
+= cs
->main
.base
.cdw
* 4;
773 if (cs
->const_ib
.ib_mapped
) {
774 cs
->ib
[IB_CONST
].size
= cs
->const_ib
.base
.cdw
;
775 cs
->const_ib
.used_ib_space
+= cs
->const_ib
.base
.cdw
* 4;
778 if (cs
->const_preamble_ib
.ib_mapped
) {
779 cs
->ib
[IB_CONST_PREAMBLE
].size
= cs
->const_preamble_ib
.base
.cdw
;
780 cs
->const_preamble_ib
.used_ib_space
+= cs
->const_preamble_ib
.base
.cdw
* 4;
783 amdgpu_cs_do_submission(cs
, fence
);
786 if (cs
->request
.resources
)
787 amdgpu_bo_list_destroy(cs
->request
.resources
);
791 amdgpu_cs_context_cleanup(cs
);
793 amdgpu_get_new_ib(&ws
->base
, &cs
->main
, &cs
->ib
[IB_MAIN
], IB_MAIN
);
794 if (cs
->const_ib
.ib_mapped
)
795 amdgpu_get_new_ib(&ws
->base
, &cs
->const_ib
, &cs
->ib
[IB_CONST
], IB_CONST
);
796 if (cs
->const_preamble_ib
.ib_mapped
)
797 amdgpu_get_new_ib(&ws
->base
, &cs
->const_preamble_ib
,
798 &cs
->ib
[IB_CONST_PREAMBLE
], IB_CONST_PREAMBLE
);
800 ws
->num_cs_flushes
++;
803 static void amdgpu_cs_destroy(struct radeon_winsys_cs
*rcs
)
805 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
807 amdgpu_destroy_cs_context(cs
);
808 p_atomic_dec(&cs
->ctx
->ws
->num_cs
);
809 pb_reference(&cs
->main
.big_ib_buffer
, NULL
);
810 pb_reference(&cs
->const_ib
.big_ib_buffer
, NULL
);
811 pb_reference(&cs
->const_preamble_ib
.big_ib_buffer
, NULL
);
815 static boolean
amdgpu_bo_is_referenced(struct radeon_winsys_cs
*rcs
,
816 struct pb_buffer
*_buf
,
817 enum radeon_bo_usage usage
)
819 struct amdgpu_cs
*cs
= amdgpu_cs(rcs
);
820 struct amdgpu_winsys_bo
*bo
= (struct amdgpu_winsys_bo
*)_buf
;
822 return amdgpu_bo_is_referenced_by_cs_with_usage(cs
, bo
, usage
);
825 void amdgpu_cs_init_functions(struct amdgpu_winsys
*ws
)
827 ws
->base
.ctx_create
= amdgpu_ctx_create
;
828 ws
->base
.ctx_destroy
= amdgpu_ctx_destroy
;
829 ws
->base
.ctx_query_reset_status
= amdgpu_ctx_query_reset_status
;
830 ws
->base
.cs_create
= amdgpu_cs_create
;
831 ws
->base
.cs_add_const_ib
= amdgpu_cs_add_const_ib
;
832 ws
->base
.cs_add_const_preamble_ib
= amdgpu_cs_add_const_preamble_ib
;
833 ws
->base
.cs_destroy
= amdgpu_cs_destroy
;
834 ws
->base
.cs_add_buffer
= amdgpu_cs_add_buffer
;
835 ws
->base
.cs_lookup_buffer
= amdgpu_cs_lookup_buffer
;
836 ws
->base
.cs_validate
= amdgpu_cs_validate
;
837 ws
->base
.cs_memory_below_limit
= amdgpu_cs_memory_below_limit
;
838 ws
->base
.cs_query_memory_usage
= amdgpu_cs_query_memory_usage
;
839 ws
->base
.cs_get_buffer_list
= amdgpu_cs_get_buffer_list
;
840 ws
->base
.cs_flush
= amdgpu_cs_flush
;
841 ws
->base
.cs_is_buffer_referenced
= amdgpu_bo_is_referenced
;
842 ws
->base
.cs_sync_flush
= amdgpu_cs_sync_flush
;
843 ws
->base
.fence_wait
= amdgpu_fence_wait_rel_timeout
;
844 ws
->base
.fence_reference
= amdgpu_fence_reference
;