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 <tzimmermann@suse.de> Fixes: 3abc6670 ("drm: Implement drm_need_swiotlb() in drm_cache.c") Reviewed-by:
Christian König <christian.koenig@amd.com> Reported-by:
kernel test robot <lkp@intel.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Christian König <christian.koenig@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20210114080535.17132-1-tzimmermann@suse.de
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