Re: [PATCH 5/5] amdgpu: use drm sync objects for shared semaphores (v5)

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On 1 June 2017 at 11:06, Dave Airlie <airlied@xxxxxxxxx> wrote:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> This creates a new command submission chunk for amdgpu
> to add in and out sync objects around the submission.
>
> Sync objects are managed via the drm syncobj ioctls.
>
> The command submission interface is enhanced with two new
> chunks, one for syncobj pre submission dependencies,
> and one for post submission sync obj signalling,
> and just takes a list of handles for each.
>
> This is based on work originally done by David Zhou at AMD,
> with input from Christian Konig on what things should look like.
>
> In theory VkFences could be backed with sync objects and
> just get passed into the cs as syncobj handles as well.
>
> NOTE: this interface addition needs a version bump to expose
> it to userspace.
>
> TODO: update to dep_sync when rebasing onto amdgpu master.
> (with this - r-b from Christian)

Hey Christian,

did you have a chance to re-review this, I think this
has the last changes you asked for done properly.

If so I'd like to get Alex to get drm-next + pull these in on top at some
point, or if I already have the dep_sync changes in my tree I can just
fix it up and apply them there.

Dave.
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