Hi @WayneWWW ,
Is this the information you need?
desktop:~$ dmesg | grep dp
[ 0.000000] Kernel command line: tegraid=21.1.2.0.0 ddr_die=4096M@2048M section=512M memtype=0 vpr_resize usb_port_owner_info=0 lane_owner_info=0 emc_max_dvfs=0 touch_id=0@63 video=tegrafb no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,2 earlyprintk=uart8250-32bit,0x70006000 maxcpus=4 usbcore.old_scheme_first=1 lp0_vec=0x1000@0xff780000 core_edp_mv=1075 core_edp_ma=4000 earlycon=uart8250,mmio32,0x70006000 root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 quiet root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0
[ 0.493151] tegra-pmc: Clear bootloader IO dpd settings
[ 0.596232] avdd-io-hdmi-dp: 1050 mV
[ 0.617909] avdd-io-edp-1v05: supplied by avdd-1v05-pll
[ 0.617948] avdd-io-edp-1v05: 1050 mV
[ 0.678381] RPC: Registered udp transport module.
[ 1.002660] tegradc tegradc.1: dpd enable lookup fail:-19
[ 1.515296] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.516779] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.518264] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.519762] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.519804] tegradc tegradc.1: dp: Failed for I2C write addr:80, size:1, stat:0x10000100
[ 1.528080] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.529538] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.530998] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.532448] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.532455] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.533100] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.534542] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.535990] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.537436] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.537440] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.538086] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.539533] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.540980] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.542444] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.542449] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.543095] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.544542] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.545914] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.547367] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.547371] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.547376] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 1.658587] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.660033] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.661477] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.662560] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.669108] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.678088] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.679552] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.681014] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.682472] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.688786] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.697714] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.699164] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.700608] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.702054] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.708400] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.717310] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1.718540] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1.719984] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1.721428] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1.727705] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1.735982] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 33.489211] tegradc tegradc.1: dp: unplug event received
[ 198.336646] tegradc tegradc.1: dp: plug event received
[ 198.449360] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 198.450593] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 198.452051] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 198.453438] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 198.459776] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 198.468743] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 198.470164] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 198.471633] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 198.473074] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 198.479457] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 198.488510] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 198.490001] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 198.491463] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 198.492926] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 198.499326] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 198.508310] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 198.509763] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 198.511236] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 198.512693] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 198.519135] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 198.527537] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 201.517739] tegradc tegradc.1: dp: unplug event received
[ 202.078028] tegradc tegradc.1: dp: plug event received
[ 202.191248] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 202.192629] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 202.194129] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 202.195923] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 202.202264] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 202.202901] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 202.204367] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 202.205819] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 202.207274] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 202.207278] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 202.207924] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 202.209389] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 202.210853] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 202.212300] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 202.212303] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 202.212946] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 202.214404] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 202.215919] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 202.217437] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 202.217441] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 202.217446] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 353.505670] tegradc tegradc.1: dp: unplug event received
[ 358.293556] tegradc tegradc.1: dp: plug event received
[ 358.403265] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 358.404925] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 358.406299] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 358.407871] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 358.414195] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 358.414838] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 358.416279] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 358.417732] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 358.419183] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 358.419187] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 358.419826] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 358.421263] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 358.422549] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 358.423986] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 358.423990] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 358.424624] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 358.426062] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 358.427522] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 358.429022] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 358.429033] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 358.429042] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 463.235734] tegradc tegradc.1: dp: unplug event received
[ 463.271294] tegradc tegradc.1: dp: plug event received
[ 463.382630] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 463.384117] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 463.385671] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 463.387167] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 463.393488] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 463.402676] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 463.404145] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 463.405624] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 463.407139] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 463.413499] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 463.422461] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 463.423904] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 463.425359] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 463.426635] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 463.432926] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 463.441951] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 463.443403] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 463.444850] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 463.446308] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 463.452646] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 463.460988] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 465.603153] tegradc tegradc.1: dp: unplug event received
[ 466.061287] usb 1-2.3: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptorβs value: 1
[ 466.163375] tegradc tegradc.1: dp: plug event received
[ 466.274636] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 466.276082] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 466.277527] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 466.278991] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 466.285306] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 466.294246] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 466.295693] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 466.297138] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 466.298574] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 466.304919] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 466.313950] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 466.315450] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 466.318956] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 466.322990] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 466.329323] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 466.330058] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 466.331824] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 466.333280] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 466.334594] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 466.334598] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 466.334601] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)
[ 1095.393916] tegradc tegradc.1: dp: unplug event received
[ 1253.811519] tegradc tegradc.1: dp: plug event received
[ 1253.922211] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1253.923782] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1253.925311] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1253.926782] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1253.933094] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1253.942034] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1253.943472] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1253.944910] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1253.946357] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1253.952642] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1253.962424] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1253.963877] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1253.965329] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1253.966784] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1253.973096] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1253.982080] tegradc tegradc.1: dp: aux write retry (0x10000100) β 2
[ 1253.983531] tegradc tegradc.1: dp: aux write retry (0x10000100) β 1
[ 1253.984976] tegradc tegradc.1: dp: aux write retry (0x10000100) β 0
[ 1253.986428] tegradc tegradc.1: dp: aux write got error (0x10000100)
[ 1253.992737] tegradc tegradc.1: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[ 1254.001046] tegradc tegradc.1: dp: failed to exit panel power save mode (0xfffffff2)