Re: [PATCH v8 00/14] Rockchip ISP1 Driver

Hans Verkuil
2019-07-31T04:33:17Z

On 7/31/19 6:29 AM, Hans Verkuil wrote:
> On 7/31/19 2:08 AM, Helen Koike wrote:
>>
>>
>> On 7/30/19 5:50 PM, Helen Koike wrote:
>>>
>>>
>>> On 7/30/19 5:15 PM, Hans Verkuil wrote:
>>>> On 7/30/19 8:42 PM, Helen Koike wrote:
>>>>> Hello,
>>>>>
>>>>> I'm re-sending a new version of ISP(Camera) v4l2 driver for rockchip
>>>>> rk3399 SoC.
>>>>>
>>>>> I didn't change much from the last version, just applying the
>>>>> suggestions made in the previous one.
>>>>>
>>>>> This patchset is also available at:
>>>>> https://gitlab.collabora.com/koike/linux/tree/rockchip/isp/v8
>>>>>
>>>>> Libcamera patched to work with this version:
>>>>> https://gitlab.collabora.com/koike/libcamera
>>>>> (also sent to the mailing list)
>>>>>
>>>>> I tested on the rockpi 4 with a rpi v1.3 sensor and also with the
>>>>> Scarlet Chromebook.
>>>>>
>>>>> Known issues (same as in v7):
>>>>> -------------
>>>>> - Reloading the module doesn't work (there is some missing cleanup when
>>>>> unloading)
>>>>> - When capturing in bayer format, changing the size doesn't seem to
>>>>> affect the image.
>>>>> - crop needs more tests
>>>>> - v4l2-compliance error:
>>>>> fail: v4l2-test-controls.cpp(824): subscribe event for control 'Image Processing Controls' failed
>>>>> test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: FAIL
>>>>
>>>> Can you mail me the full v4l2-compliance output?
>>>
>>> Sure, please check here: http://ix.io/1Q5u
>>> I updated v4l-utils with the latest version and I re-ran bootstrap/configure/make,
>>> but for some reason the hash from the link above is not the latest commit, probably some
>>> old configuration somewhere. I'll resend this log as soon as I get v4l2-compliance
>>> properly updated.
>>
>> Please see the output of v4l2-compliance here with an updated v4l-utils: http://ix.io/1Q6A
>
> So this FAIL is for /dev/v4l-subdev0 (rkisp1-isp-subdev).
>
> What is weird that this subdev does not appear to have controls at all.
>
> What is the output of 'v4l2-ctl -d /dev/v4l-subdev0 -l'? And if it lists
> controls, then why?
>
> If you run 'v4l2-compliance -u /dev/v4l-subdev0', do you get a fail as
> well?

I see the same issue with v4l-subdev1, but I see no "Media Driver Info"
in the v4l2-compliance output for that subdev. That's strange. It would
be good to know why that's happening.

Regards,

Hans

>
> BTW, note that struct rkisp1_isp_subdev has a ctrl_handler field that
> isn't used at all.
>
> Regards,
>
> Hans
>