[PATCH 4/7] drm/radeon: Fill out gem_object->resv

[Sam Ravnborg]

On Tue, Jun 25, 2019 at 10:42:05PM +0200, Daniel Vetter wrote:
> That way we can ditch our gem_prime_res_obj implementation. Since ttm
> absolutely needs the right reservation object all the boilerplate is
> already there and we just have to wire it up correctly.
> 
> Note that gem/prime doesn't care when we do this, as long as we do it
> before the bo is registered and someone can call the handle2fd ioctl
> on it.
> 
> Aside: ttm_buffer_object.ttm_resv could probably be ditched in favour
> of always passing a non-NULL resv to ttm_bo_init(). At least for gem
> drivers that would avoid having two of these, on in ttm_buffer_object
> and the other in drm_gem_object, one just there for confusion.
Something for todo.rst - so this does not get lost in a changelog
people will soon forget?

	Sam