On Fri, Mar 12, 2021 at 8:52 AM Niklas Söderlund <niklas.soderlund@xxxxxxxxxxxx> wrote: > > Hi Adam, > > There are many possibility's that result in an -EPIPE when validating > formats and unfortunately V4L2 is not always as very helpfull when > diagnosing the problem. What I usually do is to, > > 1. Inspect rvin_mc_validate_format() in > drivers/media/platform/rcar-vin/rcar-dma.c > > This will give you a clear view of how the format between the CSI-2 > and VIN is validated. > > 2. Increase the log level for drivers/media/v4l2-core/v4l2-subdev.c > specially for v4l2_subdev_link_validate_default(). > > This will give you insight into all formats from the CSI-2 receiver > towards the camera. > > By doing these two things you will see in the system log which part of > the format validation that is missmatched. Thanks for the suggestion. It turns out the camera sensor is not capable of UYVY, and the RZ/G2M doesn't appear to support RAW10 or RAW12 over CSI2. adam > > There is also a wiki page for capture using R-Car VIN that may be > helpful for you. > > https://elinux.org/R-Car/Tests:rcar-vin > > On 2021-03-12 08:28:41 -0600, Adam Ford wrote: > > I have an IMX290 camera connected to an RZ/G2M SoC via the 4-channel CSI. > > > > &csi40 { > > status = "okay"; > > > > ports { > > port@0 { > > reg = <0>; > > csi40_in: endpoint { > > clock-lanes = <0>; > > data-lanes = <1 2 3 4>; > > remote-endpoint = <&imx290_ep>; > > }; > > }; > > }; > > }; > > > > On the I2C bus, I have > > > > imx290: camera-sensor@1a { > > compatible = "sony,imx290"; > > reg = <0x1a>; > > reset-gpios = <&gpio_exp2 0 GPIO_ACTIVE_LOW>; > > clocks = <&versaclock6_bb 1>; > > clock-names = "xclk"; > > clock-frequency = <37125000>; > > vdddo-supply = <®_cam0_en0>; > > vdda-supply = <®_cam0_en1>; > > vddd-supply = <®_cam0_en0>; > > > > port { > > imx290_ep: endpoint { > > data-lanes = <1 2 3 4>; > > link-frequencies = /bits/ 64 <148500000 222750000>; > > remote-endpoint = <&csi40_in>; > > }; > > }; > > }; > > > > I configure the pipeline with: > > > > media-ctl -l "'rcar_csi2 feaa0000.csi2':1 -> 'VIN0 output':0[1]" > > > > I also have tried configuring the video formats in several different ways > > > > media-ctl --set-v4l2 "'imx290 2-001a':0[fmt:SRGGB12_1X12/1920x1080 field:none]" > > media-ctl --set-v4l2 "'rcar_csi2 > > feaa0000.csi2':0[fmt:SRGGB12_1X12/1920x1080 field:none]" > > media-ctl --set-v4l2 "'rcar_csi2 > > feaa0000.csi2':1[fmt:SRGGB12_1X12/1920x1080 field:none]" > > > > or > > > > media-ctl --set-v4l2 "'rcar_csi2 > > feaa0000.csi2':0[fmt:UYVY8_2X8/1920x1080 field:none]" > > media-ctl --set-v4l2 "'rcar_csi2 > > feaa0000.csi2':1[fmt:UYVY8_2X8/1920x1080 field:none]" > > media-ctl --set-v4l2 "'imx290 2-001a':0[fmt:UYVY8_2X8/1920x1080 field:non > > > > but no matter what I do when I attempt to stream, I get a broken pipe, > > even when I use fakesink as the target. > > > > root@beacon-rzg2h:~# GST_DEBUG=2 gst-launch-1.0 -v v4l2src > > device=/dev/video1 ! video/x-raw,width=1920,height=1080 ! fakesink > > Setting pipeline to PAUSED ... > > Pipeline is live and does not need PREROLL ... > > Setting pipeline to PLAYING ... > > New clock: GstSystemClock > > 0:00:03.727500390 501 0x10efd4f0 ERROR v4l2src > > gstv4l2src.c:337:gst_v4l2src_get_input_size_info:<v4l2src0> Cropcap > > fail, CROPCAP has not supported > > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps = > > video/x-raw, width=(int)1920, height=(int)1080, format=(string)YUY2, > > framerate=(fraction)100/1, interlace-mode=(s1 > > /GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = > > video/x-raw, width=(int)1920, height=(int)1080, format=(string)YUY2, > > framerate=(fraction)100/1, interlace-m1 > > /GstPipeline:pipeline0/GstFakeSink:fakesink0.GstPad:sink: caps = > > video/x-raw, width=(int)1920, height=(int)1080, format=(string)YUY2, > > framerate=(fraction)100/1, interlace-mode1 > > /GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = > > video/x-raw, width=(int)1920, height=(int)1080, format=(string)YUY2, > > framerate=(fraction)100/1, interlace-1 > > 0:00:03.737388309 501 0x10efd4f0 WARN v4l2bufferpool > > gstv4l2bufferpool.c:870:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src> > > Uncertain or not enough buffers, enad > > 0:00:03.740266641 501 0x10efd4f0 ERROR v4l2bufferpool > > gstv4l2bufferpool.c:757:gst_v4l2_buffer_pool_streamon:<v4l2src0:pool:src> > > error with STREAMON 32 (Broken pi) > > 0:00:03.740474842 501 0x10efd4f0 WARN v4l2bufferpool > > gstv4l2bufferpool.c:1188:gst_v4l2_buffer_pool_poll:<v4l2src0> error: > > poll error 1: Broken pipe (32) > > 0:00:03.740693123 501 0x10efd4f0 WARN v4l2src > > gstv4l2src.c:1020:gst_v4l2src_create:<v4l2src0> error: Failed to > > allocate a buffer > > 0:00:03.740791643 501 0x10efd4f0 WARN basesrc > > gstbasesrc.c:2939:gst_base_src_loop:<v4l2src0> error: Internal data > > stream error. > > 0:00:03.740822843 501 0x10efd4f0 WARN basesrc > > gstbasesrc.c:2939:gst_base_src_loop:<v4l2src0> error: streaming > > stopped, reason error (-5) > > ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could > > not read from resource. > > Additional debug info: > > ../../../git/sys/v4l2/gstv4l2bufferpool.c(1188): > > gst_v4l2_buffer_pool_poll (): > > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: > > poll error 1: Broken pipe (32) > > Execution ended after 0:00:00.013644415 > > Setting pipeline to PAUSED ... > > Setting pipeline to READY ... > > 0:00:03.741392965 501 0x10ec96c0 WARN v4l2bufferpool > > gstv4l2bufferpool.c:1042:gst_v4l2_buffer_pool_stop:<v4l2src0:pool:src> > > some buffers are still outstanding > > 0:00:03.741428005 501 0x10ec96c0 WARN bufferpool > > gstbufferpool.c:567:gst_buffer_pool_set_active:<v4l2src0:pool:src> > > stop failed > > 0:00:03.743868095 501 0x10ec96c0 ERROR v4l2bufferpool > > gstv4l2bufferpool.c:757:gst_v4l2_buffer_pool_streamon:<v4l2src0:pool:src> > > error with STREAMON 32 (Broken pi) > > 0:00:03.744090576 501 0x10ec96c0 WARN v4l2bufferpool > > gstv4l2bufferpool.c:1042:gst_v4l2_buffer_pool_stop:<v4l2src0:pool:src> > > some buffers are still outstanding > > 0:00:03.744123936 501 0x10ec96c0 WARN bufferpool > > gstbufferpool.c:567:gst_buffer_pool_set_active:<v4l2src0:pool:src> > > stop failed > > 0:00:03.744152376 501 0x10ec96c0 WARN v4l2bufferpool > > gstv4l2bufferpool.c:1042:gst_v4l2_buffer_pool_stop:<v4l2src0:pool:src> > > some buffers are still outstanding > > 0:00:03.744178296 501 0x10ec96c0 WARN bufferpool > > gstbufferpool.c:567:gst_buffer_pool_set_active:<v4l2src0:pool:src> > > stop failed > > Setting pipeline to NULL ... > > Total time: 0.013650 seconds > > Freeing pipeline ... > > > > > > I was hoping someone might have a suggestion as to what I might be missing. > > Ideally, I'd like to get two IMX290 cameras operational with one in > > 4-lane mode and one in 2-lane mode. > > > > Might anyone have any suggestions? According to the media-ctl > > --print-dot, the pipeline appears correct, but there is clearly > > something I am missing. > > > > thanks for any suggestions, > > > > adam > > -- > Regards, > Niklas Söderlund
