Re: [PATCH 3/9] drm/syncobj: add support for timeline point wait v8

[Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>]

On 18/03/2019 17:20, Koenig, Christian wrote:

  -        if (dma_fence_is_signaled(entries[i].fence)) {
+        if (fence)
+            entries[i].fence = fence;
+        else
+            entries[i].fence = dma_fence_get_stub();
+
+        if ((flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE) ||

Hey David,

Could you remind me what DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE is used 
for?

I didn't have a use for it in userspace,

The flag is used to wait for fences for a sequence number to show up.

Christian.

Thanks Christian.

I guess I missed the additive nature of WAIT_FOR_SUBMIT.

It feels like WAIT_AVAILABLE almost deserves its own commit as it affects both timelines & binary syncobjs.

-Lionel

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