Re: [PATCH] media: imx: mipi csi-2: Don't fail if initial state times-out

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On Thu, 2019-06-27 at 10:43 +0200, Philipp Zabel wrote:
> On Wed, 2019-06-26 at 16:29 -0700, Steve Longerbeam wrote:
> > Hi Fabio,
> > 
> > On 6/26/19 4:22 PM, Fabio Estevam wrote:
> > > Hi Steve,
> > > 
> > > On Wed, Jun 26, 2019 at 6:19 PM Steve Longerbeam <slongerbeam@xxxxxxxxx> wrote:
> > > 
> > > > Did you only get the LP-11 timeout warning message with this patch on
> > > > the OV5645, or both the LP-11 timeout and clock lane timeout warnings?
> > > 
> > > With this patch applied I get only the LP-11 timeout warnings, not
> > > clock lane timeouts.
> > 
> > Ok thanks for the confirmation that the imx6 CSI-2 receiver is able to 
> > successfully move to stream on without seeing the LP-11 state in this 
> > case.
> 
> Are there any visual artifacts in the first frame(s) in this case?
> 

I'll check.

> > So in my opinion the next version of this patch should make LP-11 
> > timeout a warning only, but keep the error return on clock lane timeouts.
> 
> I agree.
> 

Right. I only saw the LP-11 timeout, and wasn't really sure about the
clock lane timeout. I'll drop that, improve the warning message and submit a v2.

Thanks,
Ezequiel 




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