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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2013-11-15 00:02:54 -0800 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2013-11-18 00:38:52 -0800 |
| commit | 8d17fb4455eadbf2642e34e5584d0b0de64d33a8 (patch) | |
| tree | 61f1ace31abc65058160cd634a084c38d2e6c8c8 /include/drm | |
| parent | a3483353ca4e6dbeef2ed62ebed01af109b5b27a (diff) | |
| download | linux-8d17fb4455eadbf2642e34e5584d0b0de64d33a8.tar.gz linux-8d17fb4455eadbf2642e34e5584d0b0de64d33a8.tar.bz2 linux-8d17fb4455eadbf2642e34e5584d0b0de64d33a8.zip | |
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/drm')
| -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 ec8a1d306510..16db7d01a336 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. |