diff options
Diffstat (limited to 'include/linux/host1x.h')
| -rw-r--r-- | include/linux/host1x.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/host1x.h b/include/linux/host1x.h index 00278853eadf..c0bf4e581fe9 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -31,6 +31,11 @@ u64 host1x_get_dma_mask(struct host1x *host1x); * struct host1x_bo_cache - host1x buffer object cache * @mappings: list of mappings * @lock: synchronizes accesses to the list of mappings + * + * Note that entries are not periodically evicted from this cache and instead need to be + * explicitly released. This is used primarily for DRM/KMS where the cache's reference is + * released when the last reference to a buffer object represented by a mapping in this + * cache is dropped. */ struct host1x_bo_cache { struct list_head mappings; |