From: Peter Lawthers <peter.lawthers@xxxxxxxxx> In the 3.14 kernel, a signaled fence was indicated by the status field == 1. In 4.x, a status == 0 indicates signaled, status < 0 indicates error, and status > 0 indicates active. This patch wraps the check for a signaled fence in a function so that callers no longer needs to know the underlying implementation. v3: New patch for series. Change-Id: I8e565e49683e3efeb9474656cd84cf4add6ad6a2 Tracked-On: https://jira01.devtools.intel.com/browse/ACD-308 Signed-off-by: Peter Lawthers <peter.lawthers@xxxxxxxxx> --- drivers/android/sync.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/android/sync.h b/drivers/android/sync.h index 8449323..5a8133e 100644 --- a/drivers/android/sync.h +++ b/drivers/android/sync.h @@ -345,6 +345,27 @@ int sync_fence_cancel_async(struct sync_fence *fence, */ int sync_fence_wait(struct sync_fence *fence, long timeout); +/** + * sync_fence_is_signaled() - Return an indication if the fence is signaled + * @fence: fence to check + * + * returns 1 if fence is signaled + * returns 0 if fence is not signaled + * returns < 0 if fence is in error state + */ +static inline int +sync_fence_is_signaled(struct sync_fence *fence) +{ + int status; + + status = atomic_read(&fence->status); + if (status == 0) + return 1; + if (status > 0) + return 0; + return status; +} + #ifdef CONFIG_DEBUG_FS void sync_timeline_debug_add(struct sync_timeline *obj); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
