From 58b4d720c1620bbf09e42b4f218dcb2d0d8cdf3e Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Thu, 9 Jan 2014 11:03:08 +0100 Subject: 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 --- include/drm/ttm/ttm_execbuf_util.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'include/drm/ttm') diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 16db7d01a336..fd95fd569ca3 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. -- cgit v1.2.3