kmssink : Cannot Open /dev/mxc_vpu with Mainline kernel

Tue Sep 5 13:24:09 UTC 2017

On Tue, Sep 5, 2017 at 6:20 AM, Chakra D <2chakrass at gmail.com> wrote:
> Hi Carlos,
>
> Thanks for helping out. I have tried using v4l2videodec but could not
> succeed - it is still throwing error.
> Can you help me out in using this v4l2codec driver with gstreamer on main
> line kernel.
>
> When inserting the CODA driver - i got this error "vpu: loading
> /lib/firmware/vpu_fw_imx6q.bin failed with error -22". And i could play the

Make sure you select the coda driver as module:
https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git/commit/arch/arm/configs/imx_v6_v7_defconfig?h=for-next&id=a5a56f07c2726cc801efccd23f8df29af04d6d19

Coda needs to successfully get the firmware.