[PATCH] drm/amdgpu: allow write access to mapped userptrs

[Jerome Glisse]

On Fri, Mar 11, 2016 at 3:29 PM, Christian König
<deathsimple at vodafone.de> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> With the updated MMU notifier we should also be able to
> handle the writeback case correctly.
>

Out of curiosity what are you refering too ? I do not see anything
special on amdgpu_mn.c logs and i do not see why you could not use
then for write before.