Camera problem

[Towe_Roll]

Hello , I encountered a problem. When I powered on the system for the first time to capture sensor data, I failed, but when I changed the log printing level of the system and re-executed it, I could get data normally. What parameter configuration caused this?

sudo modprobe rtcpu_debug
sudo sh -c “echo 1 > /sys/kernel/debug/tracing/tracing_on”
sudo sh -c “echo 30720 > /sys/kernel/debug/tracing/buffer_size_kb”
sudo sh -c “echo 1 > /sys/kernel/debug/tracing/events/tegra_rtcpu/enable”
sudo sh -c “echo 1 > /sys/kernel/debug/tracing/events/freertos/enable”
sudo sh -c “echo 3 > /sys/kernel/debug/camrtc/log-level”
sudo sh -c “echo > /sys/kernel/debug/tracing/trace”
sudo cat /sys/kernel/debug/tracirng/trace

[ShaneCCC]

Does second time work without enable trace log? Or only do “sudo modprobe rtcpu_debug”

[Towe_Roll]

Hello ShaneCCC，
Now I can’t get the graph. This is the log from dmesg and trace ，
trace.txt (1.2 MB)
dmesg.txt (128.0 KB)

[ShaneCCC]

I don’t think enable the log did the tricky.

[Towe_Roll]

maybe dtb problem ？

[Towe_Roll]

Hello ShaneCCC,
I use camera 1(2-lane), tegra_sinterface = “serial_a” ?

[Towe_Roll]

Can anyone answer my question， thank you

[ShaneCCC]

Suppose it should be serial_b.
What’s the port-index?

[Towe_Roll]

@ShaneCCC

port-index

Now, when I test this, port-index=0

[ShaneCCC]

Use the port-index = 1 and add lane_polarity = 6; for Orin NX.
Have reference to below.

                                        mode0 {
                                                discontinuous_clk = "no";
                                                readout_orientation = "90";
                                                exposure_factor = "1000000";
                                                mclk_khz = "24000";
                                                phy_mode = "DPHY";
                                                default_gain = "16";
                                                dpcm_enable = "false";
                                                max_gain_val = "356";
                                                framerate_factor = "1000000";
                                                min_hdr_ratio = "1";
                                                num_lanes = "2";
                                                max_framerate = "30000000";
                                                min_gain_val = "16";
                                                pixel_phase = "rggb";
                                                mode_type = "bayer";
                                                pix_clk_hz = "300000000";
                                                step_gain_val = "1";
                                                cil_settletime = "0";
                                                default_exp_time = "2495";
                                                active_h = "2160";
                                                max_exp_time = "683709";
                                                lane_polarity = "6";
                                                active_w = "3840";
                                                min_exp_time = "13";
                                                max_hdr_ratio = "1";
                                                min_framerate = "2000000";
                                                mclk_multiplier = "80";
                                                step_exp_time = "1";
                                                default_framerate = "30000000";
                                                csi_pixel_bit_depth = "10";
                                                step_framerate = "1";
                                                inherent_gain = "1";
                                                embedded_metadata_height = "2";
                                                line_length = "11200";
                                                tegra_sinterface = "serial_b";
                                                gain_factor = "16";
                                        };

[Towe_Roll]

Hello ShaneCCC,
its failed

its my dtb and driver.
dtb_driver.zip (8.9 KB)

[ShaneCCC]

If the trace log are the same I would suspect the sensor output signal or HW problem.

[Towe_Roll]

if port-index=0 , dmseg like this.

The same hardware works fine on other platforms, so I think maybe the device tree and driver issues are bigger

[ShaneCCC]

What’s the trace log?

[Towe_Roll]

trace_a_dmesg.zip (17.5 KB)

[ShaneCCC]

It’s the same, the log tell didn’t receive any data. I would suspect it could be HW problem.