diff options
| author |   Dave Airlie <airlied@redhat.com> | 2022-05-13 12:42:23 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-05-13 13:14:34 +1000 |
| commit | 5756c29bfa816dfde24e0719002d225ab96a0cd6 (patch) | |
| tree | a88c0cf1398bfd590ecd72730607f1fa35eaae5a /include/linux | |
| parent | Merge tag 'drm-msm-next-2022-05-09' of https://gitlab.freedesktop.org/drm/msm into drm-next (diff) | |
| parent | drm/tegra: gem: Do not try to dereference ERR_PTR() (diff) | |
Merge tag 'drm/tegra/for-5.19-rc1' of https://gitlab.freedesktop.org/drm/tegra into drm-next
drm/tegra: Changes for v5.19-rc1
Only a few fixes this time, and some debuggability improvements.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220506164004.3922226-1-thierry.reding@gmail.com
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/host1x.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/host1x.h b/include/linux/host1x.h index e8dc5bc41f79..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; @@ -81,6 +86,7 @@ struct host1x_client_ops { * @parent: pointer to parent structure * @usecount: reference count for this structure * @lock: mutex for mutually exclusive concurrency + * @cache: host1x buffer object cache */ struct host1x_client { struct list_head list; |