geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

freedreno: support either coarse or fine-grained bucket sizes 

The normal bo cache uses some intermediate steps between power of two
jumps to reduce memory wastage.  But for a ringbuffer bo cache, we do
not need this.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
main
Rob Clark 2016-06-01 15:37:52 -04:00
parent 904f1361ae
commit 8a6a8512d4
3 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
freedreno/freedreno_bo_cache.c
View File

@ -49,8 +49,12 @@ add_bucket(struct fd_bo_cache *cache, int size)
cache->num_buckets++; cache->num_buckets++;
} }
/**
* @coarse: if true, only power-of-two bucket sizes, otherwise
* fill in for a bit smoother size curve..
*/
drm_private void drm_private void
fd_bo_cache_init(struct fd_bo_cache *cache) fd_bo_cache_init(struct fd_bo_cache *cache, int course)
{ {
unsigned long size, cache_max_size = 64 * 1024 * 1024; unsigned long size, cache_max_size = 64 * 1024 * 1024;
@ -64,14 +68,17 @@ fd_bo_cache_init(struct fd_bo_cache *cache)
*/ */
add_bucket(cache, 4096); add_bucket(cache, 4096);
add_bucket(cache, 4096 * 2); add_bucket(cache, 4096 * 2);
add_bucket(cache, 4096 * 3); if (!course)
add_bucket(cache, 4096 * 3);
/* Initialize the linked lists for BO reuse cache. */ /* Initialize the linked lists for BO reuse cache. */
for (size = 4 * 4096; size <= cache_max_size; size *= 2) { for (size = 4 * 4096; size <= cache_max_size; size *= 2) {
add_bucket(cache, size); add_bucket(cache, size);
add_bucket(cache, size + size * 1 / 4); if (!course) {
add_bucket(cache, size + size * 2 / 4); add_bucket(cache, size + size * 1 / 4);
add_bucket(cache, size + size * 3 / 4); add_bucket(cache, size + size * 2 / 4);
add_bucket(cache, size + size * 3 / 4);
}
} }
} }

2
freedreno/freedreno_device.c
View File

@ -85,7 +85,7 @@ out:
dev->fd = fd; dev->fd = fd;
dev->handle_table = drmHashCreate(); dev->handle_table = drmHashCreate();
dev->name_table = drmHashCreate(); dev->name_table = drmHashCreate();
fd_bo_cache_init(&dev->bo_cache); fd_bo_cache_init(&dev->bo_cache, FALSE);
return dev; return dev;
} }

2
freedreno/freedreno_priv.h
View File

@ -104,7 +104,7 @@ struct fd_device {
int closefd; /* call close(fd) upon destruction */ int closefd; /* call close(fd) upon destruction */
}; };
drm_private void fd_bo_cache_init(struct fd_bo_cache *cache); drm_private void fd_bo_cache_init(struct fd_bo_cache *cache, int coarse);
drm_private void fd_bo_cache_cleanup(struct fd_bo_cache *cache, time_t time); drm_private void fd_bo_cache_cleanup(struct fd_bo_cache *cache, time_t time);
drm_private struct fd_bo * fd_bo_cache_alloc(struct fd_bo_cache *cache, drm_private struct fd_bo * fd_bo_cache_alloc(struct fd_bo_cache *cache,
uint32_t *size, uint32_t flags); uint32_t *size, uint32_t flags);