[PATCH] VA-API: support Hantro VDE
Hantro VDE engine is already mainlined, but only for Rockchip.
UPDATE: https://source.puri.sm/martin.kepplinger/linux-next/commits/5.6-rc1/librem5_vpu_wip already WIP
Additional patching for h264 (open MRs, not required):
- libva-v4l2-request [2] [3]
- libva [4]
Steps required:
- implement Hantro in DeviceTree (update DONE)
- compile kernel with Hantro support (update DONE)
- test VA-API with mpeg2 video (linaro samples)
[2] https://github.com/bootlin/libva-v4l2-request/pull/25
[3] https://github.com/bootlin/libva-v4l2-request/pull/26