On Fri, May 12, 2017 at 10:34:54AM +1000, Dave Airlie wrote:
> +static int drm_syncobj_wait_all_fences(struct drm_device *dev,
> + struct drm_file *file_private,
> + struct drm_syncobj_wait *wait,
> + uint32_t *handles)
> +{
> + uint32_t i;
> + int ret = 0;
> + unsigned long timeout = nsecs_to_jiffies(wait->timeout_ns);
> +
> + for (i = 0; i < wait->count_handles; i++) {
> + struct dma_fence *fence;
> +
> + ret = drm_syncobj_fence_get(file_private, handles[i],
> + &fence);
> + if (ret)
> + return ret;
> +
> + if (!fence)
> + continue;
> +
> + ret = dma_fence_wait_timeout(fence, true, timeout);
Doesn't handle -EINTR yet with timeout. If having a drmIoctl() that
can't be tricked into turning a short waiting into an indefinite one is a
goal.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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