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| author | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-01-09 10:03:08 (GMT) |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-09-01 08:16:43 (GMT) |
| commit | 58b4d720c1620bbf09e42b4f218dcb2d0d8cdf3e (patch) | |
| tree | 87edd6d708d020f349702eb42049bef343540aec /include/drm/ttm | |
| parent | dd7cfd641228abb2669d8d047d5ec377b1835900 (diff) | |
| download | linux-58b4d720c1620bbf09e42b4f218dcb2d0d8cdf3e.tar.xz | |
drm/ttm: add interruptible parameter to ttm_eu_reserve_buffers
It seems some drivers really want this as a parameter,
like vmwgfx.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 16db7d0..fd95fd5 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -73,6 +73,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, * @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. + * @intr: should the wait be interruptible * * Tries to reserve bos pointed to by the list entries for validation. * If the function returns 0, all buffers are marked as "unfenced", @@ -84,9 +85,9 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, * CPU write reservations to be cleared, and for other threads to * unreserve their buffers. * - * This function may return -ERESTART or -EAGAIN if the calling process - * receives a signal while waiting. In that case, no buffers on the list - * will be reserved upon return. + * If intr is set to true, this function may return -ERESTARTSYS if the + * calling process receives a signal while waiting. In that case, no + * buffers on the list will be reserved upon return. * * Buffers reserved by this function should be unreserved by * a call to either ttm_eu_backoff_reservation() or @@ -95,7 +96,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, */ extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, - struct list_head *list); + struct list_head *list, bool intr); /** * function ttm_eu_fence_buffer_objects. |