diff options
author | Thomas Hellstrom <thellstrom@vmware.com> | 2013-11-15 08:02:54 (GMT) |
---|---|---|
committer | Thomas Hellstrom <thellstrom@vmware.com> | 2013-11-18 08:38:52 (GMT) |
commit | 8d17fb4455eadbf2642e34e5584d0b0de64d33a8 (patch) | |
tree | 61f1ace31abc65058160cd634a084c38d2e6c8c8 /include | |
parent | a3483353ca4e6dbeef2ed62ebed01af109b5b27a (diff) | |
download | linux-fsl-qoriq-8d17fb4455eadbf2642e34e5584d0b0de64d33a8.tar.xz |
drm/ttm: Allow execbuf util reserves without ticket
If no reservation ticket is given to the execbuf reservation utilities,
try reservation with non-blocking semantics.
This is intended for eviction paths that use the execbuf reservation
utilities for convenience rather than for deadlock avoidance.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index ec8a1d3..16db7d0 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -70,7 +70,8 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, /** * function ttm_eu_reserve_buffers * - * @ticket: [out] ww_acquire_ctx returned by call. + * @ticket: [out] ww_acquire_ctx filled in by call, or NULL if only + * non-blocking reserves should be tried. * @list: thread private list of ttm_validate_buffer structs. * * Tries to reserve bos pointed to by the list entries for validation. |