drm/ttm: ttm_bo_release called without lock

[Gerd Hoffmann]

On Thu, Mar 04, 2021 at 08:42:55AM +0100, Thomas Zimmermann wrote:
> (cc'ing Gerd)
> 
> This might be related to the recent clean-up patches for the BO handling in
> qxl.

Yes, it is.  Fixed in drm-misc-next, cherry-picked into drm-misc-fixes,
hopefully lands in -rc2.

take care,
  Gerd