drm: Include <linux/mem_encrypt.h> in drm_cache.c

The function drm_need_swiotbl() needs mem_encrypt_active() from
<linux/mem_encrypt.h>. The include got lost when refactoring the
code recently.

Signed-off-by: Thomas Zimmermann <[email protected]>
Fixes: 3abc66706385 ("drm: Implement drm_need_swiotlb() in drm_cache.c")
Reviewed-by: Christian König <[email protected]>
Reported-by: kernel test robot <[email protected]>
Cc: Thomas Zimmermann <[email protected]>
Cc: Christian König <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Maxime Ripard <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

0 files changed, 0 insertions, 0 deletions