2 * Copyright © 2014 Broadcom
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:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 #include <xf86drmMode.h>
31 #include "util/u_memory.h"
32 #include "util/ralloc.h"
34 #include "vc4_context.h"
35 #include "vc4_screen.h"
37 static bool dump_stats
= false;
40 vc4_bo_dump_stats(struct vc4_screen
*screen
)
42 struct vc4_bo_cache
*cache
= &screen
->bo_cache
;
44 fprintf(stderr
, " BOs allocated: %d\n", screen
->bo_count
);
45 fprintf(stderr
, " BOs size: %dkb\n", screen
->bo_size
/ 102);
46 fprintf(stderr
, " BOs cached: %d\n", cache
->bo_count
);
47 fprintf(stderr
, " BOs cached size: %dkb\n", cache
->bo_size
/ 102);
49 if (!list_empty(&cache
->time_list
)) {
50 struct vc4_bo
*first
= LIST_ENTRY(struct vc4_bo
,
51 cache
->time_list
.next
,
53 struct vc4_bo
*last
= LIST_ENTRY(struct vc4_bo
,
54 cache
->time_list
.prev
,
57 fprintf(stderr
, " oldest cache time: %ld\n",
58 (long)first
->free_time
);
59 fprintf(stderr
, " newest cache time: %ld\n",
60 (long)last
->free_time
);
63 clock_gettime(CLOCK_MONOTONIC
, &time
);
64 fprintf(stderr
, " now: %ld\n",
70 vc4_bo_remove_from_cache(struct vc4_bo_cache
*cache
, struct vc4_bo
*bo
)
72 list_del(&bo
->time_list
);
73 list_del(&bo
->size_list
);
75 cache
->bo_size
-= bo
->size
;
78 static struct vc4_bo
*
79 vc4_bo_from_cache(struct vc4_screen
*screen
, uint32_t size
, const char *name
)
81 struct vc4_bo_cache
*cache
= &screen
->bo_cache
;
82 uint32_t page_index
= size
/ 4096 - 1;
84 if (cache
->size_list_size
<= page_index
)
87 struct vc4_bo
*bo
= NULL
;
88 pipe_mutex_lock(cache
->lock
);
89 if (!list_empty(&cache
->size_list
[page_index
])) {
90 bo
= LIST_ENTRY(struct vc4_bo
, cache
->size_list
[page_index
].next
,
93 /* Check that the BO has gone idle. If not, then we want to
94 * allocate something new instead, since we assume that the
95 * user will proceed to CPU map it and fill it with stuff.
97 if (!vc4_bo_wait(bo
, 0)) {
98 pipe_mutex_unlock(cache
->lock
);
102 pipe_reference_init(&bo
->reference
, 1);
103 vc4_bo_remove_from_cache(cache
, bo
);
107 pipe_mutex_unlock(cache
->lock
);
112 vc4_bo_alloc(struct vc4_screen
*screen
, uint32_t size
, const char *name
)
117 size
= align(size
, 4096);
119 bo
= vc4_bo_from_cache(screen
, size
, name
);
122 fprintf(stderr
, "Allocated %s %dkb from cache:\n",
124 vc4_bo_dump_stats(screen
);
129 bo
= CALLOC_STRUCT(vc4_bo
);
133 pipe_reference_init(&bo
->reference
, 1);
139 if (!using_vc4_simulator
) {
140 struct drm_vc4_create_bo create
;
141 memset(&create
, 0, sizeof(create
));
145 ret
= drmIoctl(screen
->fd
, DRM_IOCTL_VC4_CREATE_BO
, &create
);
146 bo
->handle
= create
.handle
;
148 struct drm_mode_create_dumb create
;
149 memset(&create
, 0, sizeof(create
));
153 create
.height
= (size
+ 127) / 128;
155 ret
= drmIoctl(screen
->fd
, DRM_IOCTL_MODE_CREATE_DUMB
, &create
);
156 bo
->handle
= create
.handle
;
157 assert(create
.size
>= size
);
160 fprintf(stderr
, "create ioctl failure\n");
165 screen
->bo_size
+= bo
->size
;
167 fprintf(stderr
, "Allocated %s %dkb:\n", name
, size
/ 1024);
168 vc4_bo_dump_stats(screen
);
175 vc4_bo_last_unreference(struct vc4_bo
*bo
)
177 struct vc4_screen
*screen
= bo
->screen
;
179 struct timespec time
;
180 clock_gettime(CLOCK_MONOTONIC
, &time
);
181 pipe_mutex_lock(screen
->bo_cache
.lock
);
182 vc4_bo_last_unreference_locked_timed(bo
, time
.tv_sec
);
183 pipe_mutex_unlock(screen
->bo_cache
.lock
);
187 vc4_bo_free(struct vc4_bo
*bo
)
189 struct vc4_screen
*screen
= bo
->screen
;
192 #ifdef USE_VC4_SIMULATOR
193 if (bo
->simulator_winsys_map
) {
195 bo
->map
= bo
->simulator_winsys_map
;
198 munmap(bo
->map
, bo
->size
);
201 struct drm_gem_close c
;
202 memset(&c
, 0, sizeof(c
));
203 c
.handle
= bo
->handle
;
204 int ret
= drmIoctl(screen
->fd
, DRM_IOCTL_GEM_CLOSE
, &c
);
206 fprintf(stderr
, "close object %d: %s\n", bo
->handle
, strerror(errno
));
209 screen
->bo_size
-= bo
->size
;
212 fprintf(stderr
, "Freed %s%s%dkb:\n",
213 bo
->name
? bo
->name
: "",
216 vc4_bo_dump_stats(screen
);
223 free_stale_bos(struct vc4_screen
*screen
, time_t time
)
225 struct vc4_bo_cache
*cache
= &screen
->bo_cache
;
226 bool freed_any
= false;
228 list_for_each_entry_safe(struct vc4_bo
, bo
, &cache
->time_list
,
230 if (dump_stats
&& !freed_any
) {
231 fprintf(stderr
, "Freeing stale BOs:\n");
232 vc4_bo_dump_stats(screen
);
236 /* If it's more than a second old, free it. */
237 if (time
- bo
->free_time
> 2) {
238 vc4_bo_remove_from_cache(cache
, bo
);
245 if (dump_stats
&& freed_any
) {
246 fprintf(stderr
, "Freed stale BOs:\n");
247 vc4_bo_dump_stats(screen
);
252 vc4_bo_last_unreference_locked_timed(struct vc4_bo
*bo
, time_t time
)
254 struct vc4_screen
*screen
= bo
->screen
;
255 struct vc4_bo_cache
*cache
= &screen
->bo_cache
;
256 uint32_t page_index
= bo
->size
/ 4096 - 1;
263 if (cache
->size_list_size
<= page_index
) {
264 struct list_head
*new_list
=
265 ralloc_array(screen
, struct list_head
, page_index
+ 1);
267 /* Move old list contents over (since the array has moved, and
268 * therefore the pointers to the list heads have to change).
270 for (int i
= 0; i
< cache
->size_list_size
; i
++) {
271 struct list_head
*old_head
= &cache
->size_list
[i
];
272 if (list_empty(old_head
))
273 list_inithead(&new_list
[i
]);
275 new_list
[i
].next
= old_head
->next
;
276 new_list
[i
].prev
= old_head
->prev
;
277 new_list
[i
].next
->prev
= &new_list
[i
];
278 new_list
[i
].prev
->next
= &new_list
[i
];
281 for (int i
= cache
->size_list_size
; i
< page_index
+ 1; i
++)
282 list_inithead(&new_list
[i
]);
284 cache
->size_list
= new_list
;
285 cache
->size_list_size
= page_index
+ 1;
288 bo
->free_time
= time
;
289 list_addtail(&bo
->size_list
, &cache
->size_list
[page_index
]);
290 list_addtail(&bo
->time_list
, &cache
->time_list
);
292 cache
->bo_size
+= bo
->size
;
294 fprintf(stderr
, "Freed %s %dkb to cache:\n",
295 bo
->name
, bo
->size
/ 1024);
296 vc4_bo_dump_stats(screen
);
300 free_stale_bos(screen
, time
);
303 static struct vc4_bo
*
304 vc4_bo_open_handle(struct vc4_screen
*screen
,
305 uint32_t winsys_stride
,
306 uint32_t handle
, uint32_t size
)
308 struct vc4_bo
*bo
= CALLOC_STRUCT(vc4_bo
);
312 pipe_reference_init(&bo
->reference
, 1);
319 #ifdef USE_VC4_SIMULATOR
321 bo
->simulator_winsys_map
= bo
->map
;
322 bo
->simulator_winsys_stride
= winsys_stride
;
323 bo
->map
= malloc(bo
->size
);
330 vc4_bo_open_name(struct vc4_screen
*screen
, uint32_t name
,
331 uint32_t winsys_stride
)
333 struct drm_gem_open o
= {
336 int ret
= drmIoctl(screen
->fd
, DRM_IOCTL_GEM_OPEN
, &o
);
338 fprintf(stderr
, "Failed to open bo %d: %s\n",
339 name
, strerror(errno
));
343 return vc4_bo_open_handle(screen
, winsys_stride
, o
.handle
, o
.size
);
347 vc4_bo_open_dmabuf(struct vc4_screen
*screen
, int fd
, uint32_t winsys_stride
)
350 int ret
= drmPrimeFDToHandle(screen
->fd
, fd
, &handle
);
353 fprintf(stderr
, "Failed to get vc4 handle for dmabuf %d\n", fd
);
357 /* Determine the size of the bo we were handed. */
358 size
= lseek(fd
, 0, SEEK_END
);
360 fprintf(stderr
, "Couldn't get size of dmabuf fd %d.\n", fd
);
364 return vc4_bo_open_handle(screen
, winsys_stride
, handle
, size
);
368 vc4_bo_get_dmabuf(struct vc4_bo
*bo
)
371 int ret
= drmPrimeHandleToFD(bo
->screen
->fd
, bo
->handle
,
374 fprintf(stderr
, "Failed to export gem bo %d to dmabuf\n",
384 vc4_bo_alloc_mem(struct vc4_screen
*screen
, const void *data
, uint32_t size
,
390 bo
= vc4_bo_alloc(screen
, size
, name
);
391 map
= vc4_bo_map(bo
);
392 memcpy(map
, data
, size
);
397 vc4_bo_flink(struct vc4_bo
*bo
, uint32_t *name
)
399 struct drm_gem_flink flink
= {
400 .handle
= bo
->handle
,
402 int ret
= drmIoctl(bo
->screen
->fd
, DRM_IOCTL_GEM_FLINK
, &flink
);
404 fprintf(stderr
, "Failed to flink bo %d: %s\n",
405 bo
->handle
, strerror(errno
));
417 vc4_wait_seqno(struct vc4_screen
*screen
, uint64_t seqno
, uint64_t timeout_ns
)
419 if (screen
->finished_seqno
>= seqno
)
422 struct drm_vc4_wait_seqno wait
;
423 memset(&wait
, 0, sizeof(wait
));
425 wait
.timeout_ns
= timeout_ns
;
428 if (!using_vc4_simulator
)
429 ret
= drmIoctl(screen
->fd
, DRM_IOCTL_VC4_WAIT_SEQNO
, &wait
);
431 wait
.seqno
= screen
->finished_seqno
;
436 screen
->finished_seqno
= wait
.seqno
;
440 if (errno
!= ETIME
) {
441 fprintf(stderr
, "wait failed: %d\n", ret
);
449 vc4_bo_wait(struct vc4_bo
*bo
, uint64_t timeout_ns
)
451 struct vc4_screen
*screen
= bo
->screen
;
453 struct drm_vc4_wait_bo wait
;
454 memset(&wait
, 0, sizeof(wait
));
455 wait
.handle
= bo
->handle
;
456 wait
.timeout_ns
= timeout_ns
;
459 if (!using_vc4_simulator
)
460 ret
= drmIoctl(screen
->fd
, DRM_IOCTL_VC4_WAIT_BO
, &wait
);
467 if (errno
!= ETIME
) {
468 fprintf(stderr
, "wait failed: %d\n", ret
);
476 vc4_bo_map_unsynchronized(struct vc4_bo
*bo
)
484 if (!using_vc4_simulator
) {
485 struct drm_vc4_mmap_bo map
;
486 memset(&map
, 0, sizeof(map
));
487 map
.handle
= bo
->handle
;
488 ret
= drmIoctl(bo
->screen
->fd
, DRM_IOCTL_VC4_MMAP_BO
, &map
);
491 struct drm_mode_map_dumb map
;
492 memset(&map
, 0, sizeof(map
));
493 map
.handle
= bo
->handle
;
494 ret
= drmIoctl(bo
->screen
->fd
, DRM_IOCTL_MODE_MAP_DUMB
, &map
);
498 fprintf(stderr
, "map ioctl failure\n");
502 bo
->map
= mmap(NULL
, bo
->size
, PROT_READ
| PROT_WRITE
, MAP_SHARED
,
503 bo
->screen
->fd
, offset
);
504 if (bo
->map
== MAP_FAILED
) {
505 fprintf(stderr
, "mmap of bo %d (offset 0x%016llx, size %d) failed\n",
506 bo
->handle
, (long long)offset
, bo
->size
);
514 vc4_bo_map(struct vc4_bo
*bo
)
516 void *map
= vc4_bo_map_unsynchronized(bo
);
518 bool ok
= vc4_bo_wait(bo
, PIPE_TIMEOUT_INFINITE
);
520 fprintf(stderr
, "BO wait for map failed\n");
528 vc4_bufmgr_destroy(struct pipe_screen
*pscreen
)
530 struct vc4_screen
*screen
= vc4_screen(pscreen
);
531 struct vc4_bo_cache
*cache
= &screen
->bo_cache
;
533 list_for_each_entry_safe(struct vc4_bo
, bo
, &cache
->time_list
,
535 vc4_bo_remove_from_cache(cache
, bo
);
540 fprintf(stderr
, "BO stats after screen destroy:\n");
541 vc4_bo_dump_stats(screen
);