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From: Steve Longerbeam <slongerbeam@gmail.com>
To: Alex Mihaylov <minimumlaw@gmail.com>,
	Philipp Zabel <pza@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>
Cc: linux-media <linux-media@vger.kernel.org>
Subject: Re: IMX219 MIPI Sensor (meda-tree) with vaniila I.MX6Q media drivers
Date: Fri, 27 Mar 2020 14:18:08 -0700	[thread overview]
Message-ID: <17308e3e-3dd8-7c75-f890-398ffca730b9@gmail.com> (raw)
In-Reply-To: <a565cb1a-0c08-cd58-5e83-683b60055e90@gmail.com>

Hi Alex,

On 3/27/20 1:12 AM, Alex Mihaylov wrote:
> Hi!
>
> Ok. This time I try to check hardware and not need image processing. I 
> uncomment this line in script:
>
> [...]
> - entity 47: ipu1_csi1 (3 pads, 4 links)
>              type V4L2 subdev subtype Unknown flags 0
>              device node name /dev/v4l-subdev5
>         pad0: Sink
>                 [fmt:SRGGB10_1X10/1920x1080@1/30 field:none 
> colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range
>                  crop.bounds:(0,0)/1920x1080
>                  crop:(0,0)/640x480
>                  compose.bounds:(0,0)/640x480
>                  compose:(0,0)/640x480]
>                 <- "imx6-mipi-csi2":2 [ENABLED]

This is virtual channel 1 output from the imx6-mipi-csi2 receiver. Make 
sure the imx219 is indeed transmitting on virtual channel 1.

> pad1: Source
>                 [fmt:SRGGB10_1X10/640x480@1/30 field:none 
> colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu1_ic_prp":0 []
>                 -> "ipu1_vdic":0 []
>         pad2: Source
>                 [fmt:SRGGB10_1X10/640x480@1/30 field:none 
> colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu1_csi1 capture":0 [ENABLED]
>
> - entity 51: ipu1_csi1 capture (1 pad, 1 link)
>              type Node subtype V4L flags 0
>              device node name /dev/video3
>         pad0: Sink
>                 <- "ipu1_csi1":2 [ENABLED]

What is the format on /dev/video3 ? Please provide output from 'v4l2-ctl 
-d3 -V'

> [...]
>
> - entity 121: imx6-mipi-csi2 (5 pads, 5 links)
>               type V4L2 subdev subtype Unknown flags 0
>               device node name /dev/v4l-subdev12
>         pad0: Sink
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 <- "imx219 9-0010":0 [ENABLED]
>         pad1: Source
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu1_csi0_mux":0 []
>         pad2: Source
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu1_csi1":0 [ENABLED]
>         pad3: Source
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu2_csi0":0 []
>         pad4: Source
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "ipu2_csi1_mux":0 []
>
> - entity 135: imx219 9-0010 (1 pad, 1 link)
>               type V4L2 subdev subtype Sensor flags 0
>               device node name /dev/v4l-subdev15
>         pad0: Source
>                 [fmt:SRGGB10_1X10/1920x1080 field:none colorspace:srgb 
> xfer:srgb ycbcr:601 quantization:full-range]
>                 -> "imx6-mipi-csi2":0 [ENABLED]
>
> [...]
> localhost ~ # gst-launch-1.0 v4l2src device=/dev/video3 ! fakesink
> Setting pipeline to PAUSED ...
> Pipeline is live and does not need PREROLL ...
> Setting pipeline to PLAYING ...
> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: 
> Internal data stream error.
> Additional debug info:
> /var/tmp/portage/media-libs/gstreamer-1.14.5/work/gstreamer-1.14.5/libs/gst/base/gstbasesrc.c(3055): 
> gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> streaming stopped, reason not-negotiated (-4)
> Execution ended after 0:00:00.000606666
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
> localhost ~ # dmesg -c
>
> Another error, but some result. I think fakesink must got Bayer format 
> (as specific /dev/null for v4l2).

Can you try simply:

localhost ~ # v4l2-ctl -d3 --stream-mmap

and let me know if you receive frames.

Steve

>
>
>>>> # media-ctl -l "'ipu1_csi1':2 -> 'ipu1_csi1 capture':0[1]" # 
>>>> /dev/video3
>>>> (unused, unprocessed)
>>        ^
>> The IPUv3 IC hardware does not support processing Bayer formats.
>> Those can only be written straight to RAM using this path.


  reply	other threads:[~2020-03-27 21:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26  8:28 IMX219 MIPI Sensor (meda-tree) with vaniila I.MX6Q media drivers Михайлов Алексей Анатольевич
2020-03-26 18:56 ` Fabio Estevam
2020-03-27  7:45   ` Philipp Zabel
2020-03-27  8:12     ` Alex Mihaylov
2020-03-27 21:18       ` Steve Longerbeam [this message]
2020-03-28  4:45         ` Михайлов Алексей Анатольевич
2020-03-26 19:17 ` Fabio Estevam
2020-03-27  7:49   ` Alex Mihaylov
2020-03-26 18:45 Alex Mihaylov

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