Re: [linux-sunxi] [PATCH v12 0/2] Initial Allwinner V3s CSI Support

From: OndÅej Jirman
Date: Wed Dec 26 2018 - 05:29:50 EST


On Tue, Oct 30, 2018 at 04:09:48PM +0800, Yong Deng wrote:
> I can't make v4l2-compliance always happy.
> The V3s CSI support many pixformats. But they are not always available.
> It's dependent on the input bus format (MEDIA_BUS_FMT_*).
> Example:
> But I can't get the subdev's format code before starting stream as the
> subdev may change it. So I can't know which pixformats are available.
> So I exports all the pixformats supported by SoC.
> The result is the app (v4l2-compliance) is likely to fail on streamon.
> This patchset add initial support for Allwinner V3s CSI.

I've tested your patches on A83T and CSI works on that SoC too. I'll send
DTS patches later.

One thing I noticed is that, when you cat the regmap registers file in debugfs
while streaming, the kernel locks up hard. I was not able to extract any logs.