Merge tag 'drm-misc-fixes-2021-01-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

* dma-buf: fix a use-after-free
* radeon: don't init the TTM page pool manually
* ttm: unexport ttm_pool_{init,fini}()

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/X/gnKs52t8xUuAlE@linux-uq9g