some half-baked ttm ideas

[Dave Airlie]

On Wed, 16 Sep 2020 at 00:12, Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> Hi Dave,
>
> I think we should just completely nuke ttm_tt_bind() and ttm_tt_unbind()
> and all of that.
>
> Drivers can to this from their move_notify() callback now instead.

Good plan, I've put a bunch of rework into the same branch,

https://github.com/airlied/linux/commits/ttm-half-baked-ideas

but I've fried my brain a bit, I'm having trouble reconciling move
notify and unbinding in the right places, I feel like I'm circling
around the answer but haven't hit it yet.

Dave.