Re: [PATCH v3 06/32] [media] coda: Add encoder/decoder support for CODA960

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Am Mittwoch, den 30.07.2014, 20:16 +0800 schrieb Shawn Guo:
> On Tue, Jul 29, 2014 at 07:06:25PM +0200, Philipp Zabel wrote:
> > > I followed the step to generate the firmware v4l-coda960-imx6q, and
> > > tested it on next-20140725 with patch 'ARM: dts: imx6qdl: Enable CODA960
> > > VPU' applied on top of it.  But I got the error of 'Wrong firmwarel' as
> > > below.
> > >
> > > [    2.582837] coda 2040000.vpu: requesting firmware 'v4l-coda960-imx6q.bin' for CODA960
> > > [    2.593344] coda 2040000.vpu: Firmware code revision: 0
> > > [    2.598649] coda 2040000.vpu: Wrong firmware. Hw: CODA960, Fw: (0x0000), Version: 0.0.0
> > 
> > I just tried with the same kernel, and the above download, converted
> > with the program in the referenced mail, and I get this:
> > 
> >     coda 2040000.vpu: Firmware code revision: 36350
> >     coda 2040000.vpu: Initialized CODA960.
> >     coda 2040000.vpu: Unsupported firmware version: 2.1.9
> >     coda 2040000.vpu: codec registered as /dev/video0
> 
> Okay, the reason I'm running into the issue is that I'm using the FSL
> U-Boot which turns off VDDPU at initialization.

In that case you need to also apply the "Generic Device Tree based power
domain look-up" and "i.MX6 PU power domain support series". I'll have to
check the current state of that.

regards
Philipp

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