kmssink : Cannot Open /dev/mxc_vpu with Mainline kernel

Jagan Teki jagan at
Tue Aug 29 19:05:10 UTC 2017

Hi Carlos,

On Tue, Aug 29, 2017 at 11:30 PM, Carlos Rafael Giani
<dv at> wrote:
> There is no such device in the mainline kernel. This is part of the
> non-mainline VPU driver from the imx-kerne.
> Are you trying to use gstreamer-imx' imxvpudec? With the mainline kernel,
> you have to use v4l2Nvideodec instead (where N is some number ... just do
> gst-inspect-1.0 | grep v4l to find it).

We're using gst-1.0 not gstreamer-imx and the coda vpu firmware is
from NXP releases. Can't we use this firmware for Mainline Kernel? if
no can you please provide the relevant info.

Jagan Teki
Senior Linux Kernel Engineer | Amarula Solutions
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.

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