CSI2 & VI driver and errors

[balajinp21]

Hello All,

Trying to bring up the sensor device, this is not camera.
So the sensor driver is not attached to Camera core stack. It is added to direct v4l2 layers like tc358840 device.

media-ctl cmd gave the proper output.

Tried the below cmd and in dmesg, got the below error.

sudo v4l2-ctl --set-fmt-video=width=8192,height=384,pixelformat=”RG8” --stream-mmap --stream-count=100 -d /dev/video0 --stream-to=test1.raw

[ 697.560691] misc tegra_camera_ctrl: tegra_camera_isomgr_request: failed to reserve 0 KBps
[ 697.560871] misc tegra_camera_ctrl: tegra_camera_update_isobw: failed to reserve 0 KBps with isomgr

Any ideas?

-Thanks.

[balajinp21]

Shall I ignore this error?

[ShaneCCC]

It could be below in dts incorrect cause the failed message, however I think you can ignore it and check the trace log if can get more information.

		num_csi_lanes = <12>;
1621 		max_lane_speed = <1500000>;
1622 		min_bits_per_pixel = <10>;
1623 		vi_peak_byte_per_pixel = <2>;
1624 		vi_bw_margin_pct = <25>;
1625 		max_pixel_rate = <160000>;
1626 		isp_peak_byte_per_pixel = <5>;
1627 		isp_bw_margin_pct = <25>;
1628