From: Christian König <christian.koenig@xxxxxxx>
As far as I can see no need for a custom implementation any more.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 37 ++++---------------------------------
1 file changed, 4 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index caa657d..28cd535 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1546,46 +1546,17 @@ EXPORT_SYMBOL(ttm_bo_unmap_virtual);
int ttm_bo_wait(struct ttm_buffer_object *bo,
bool interruptible, bool no_wait)
{
- struct reservation_object_list *fobj;
- struct reservation_object *resv;
- struct fence *excl;
- long timeout = 15 * HZ;
- int i;
-
- resv = bo->resv;
- fobj = reservation_object_get_list(resv);
- excl = reservation_object_get_excl(resv);
- if (excl) {
- if (!fence_is_signaled(excl)) {
- if (no_wait)
- return -EBUSY;
-
- timeout = fence_wait_timeout(excl,
- interruptible, timeout);
- }
- }
-
- for (i = 0; fobj && timeout > 0 && i < fobj->shared_count; ++i) {
- struct fence *fence;
- fence = rcu_dereference_protected(fobj->shared[i],
- reservation_object_held(resv));
-
- if (!fence_is_signaled(fence)) {
- if (no_wait)
- return -EBUSY;
-
- timeout = fence_wait_timeout(fence,
- interruptible, timeout);
- }
- }
+ long timeout = no_wait ? 0 : 15 * HZ;
+ timeout = reservation_object_wait_timeout_rcu(bo->resv, true,
+ interruptible, timeout);
if (timeout < 0)
return timeout;
if (timeout == 0)
return -EBUSY;
- reservation_object_add_excl_fence(resv, NULL);
+ reservation_object_add_excl_fence(bo->resv, NULL);
return 0;
}
EXPORT_SYMBOL(ttm_bo_wait);
--
2.5.0
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