drm: remove prime sg_table caching

That is now done by the DMA-buf helpers instead.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.kernel.org/patch/10943055/
This commit is contained in:
Christian König 2018-07-03 16:55:26 +02:00
commit c614d7e66c