The imx-vpu-hantro depends on ION memory allocator APIs which became obsolete after kernel 4.12.
It seems that these kernel APIs were changed after 4.12 to use a dma buffers similar to the V4L2 APIs.
Are there any updates to imx-vpu-hantro to support the new kernel APIs? I've checked up to the 1.13 release but no joy...
Better yet, I wish NXP would just replace imx-vpu-hantro with support for the V4L2 M2M hantro driver being developed for Rockchip which uses the same hantro codec.