[PATCH 00/49] ttm mem manager refactoring.

[Christian König]

Am 31.07.20 um 06:04 schrieb Dave Airlie:
> I started pulling on a thread, and it led me down a hole.

We might want to make that hole even bigger :)

How about we rename the ttm_mem_reg into ttm_resource and 
ttm_mem_type_manager into ttm_resource_manager.

Neither amdgpu's OA/GWS resources nor the IDs in VMGFX are really memory.

In the long term I also want to move the whole address handling into 
each backend.

Going to send comments on the individual patches as well.

> This series refactors the ttm ttm_mem_type_manager object into
> a driver owned, allocated, subclassaed object.
>
> It starts with two minor fixes for some bad assumptions in two drivers.
>
> Enables a new init path, ports all the drivers to the new init
> path, and cleans up the old init path.
> Enables a new takedown path, ports all the drivers to the new takedown
> path, and cleans up the old takedown path
> Wraps all access to the memory managers in the bo_device in a wrapper
> across all drivers.
> Make debug callback optional
> Enables driver to provide their own mem manager objects
> Subclasses the objects in all drivers and makes them into driver owned object
> Drops the bo_device arrays of pointers, and some unneeded links and
> struct members
> Cleans up one api.
>
> I think I'd probably want to merge all this via drm-misc, so if I can collect
> acks/r-b from driver maintainers that would be good.
>
> This is also based on Chrisitan's work to remove init_mem_type, so it won't
> apply until he's finished getting all of that into drm-misc.

Preparing to push that to drm-misc-next just now.

Regards,
Christian.

>
> https://nam11.safelinks.protection.outlook.com/?url=https:%2F%2Fcgit.freedesktop.org%2F~airlied%2Flinux%2Flog%2F%3Fh%3Dttm-refactor-mem-manager&data=02%7C01%7Cchristian.koenig%40amd.com%7Caa32512acf9f4bf455ef08d83506f9d2%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637317651361302583&sdata=2sQt4A48ODl0Nq4P21YG3vRNdhkDZcZp0XHkQ930SAI%3D&reserved=0
> is the tree I've built this on top off, so it's probably going to get rebased
> but the code should stay mostly the same.
>
> I've done some boot testing on nouveau, and I hope to test it on vmwgfx and
> amdgpu soon.
>
> Dave.
>
>