[  422.002003] tegradc 15210000.nvdisplay: dp: unplug event received
[  422.002036] hpd: state 4 (Enabled), hpd 0, pending_hpd_evt 1
[  422.002042] hpd: switching from state 4 (Enabled) to state 5 (Wait for HPD reassert)
[  422.105960] hpd: state 5 (Wait for HPD reassert), hpd 0, pending_hpd_evt 0
[  422.105968] hpd: DC from connected to disconnected
[  422.162340] dp lt: state 5 (link training pass), pending_lt_evt 1
[  422.162348] dp lt: switching from state 5 (link training pass) to state 0 (Reset)
[  422.162356] dp lt: state 0 (Reset), pending_lt_evt 0
[  422.162365] dp lt: link training force disable
[  422.162370] dp lt: switching from state 0 (Reset) to state 4 (link training fail/disable)
[  422.184350] tegra_nvdisp_handle_pd_disable: Powergated Head2 pd
[  422.184508] tegradc 15210000.nvdisplay: blank - powerdown
[  422.184611] extcon-disp-state external-connection:disp-state: cable 44 state 0
[  422.184617] Extcon DP: HPD disabled
[  422.184650] hpd: hpd_switch 0
[  422.184656] hpd: switching from state 5 (Wait for HPD reassert) to state 3 (Disabled)
[  422.237457] tegradc 15200000.nvdisplay: unblank
[  422.237478] tegradc 15210000.nvdisplay: blank - powerdown
[  422.237493] tegradc 15210000.nvdisplay: unblank
[  422.237518] tegradc 15210000.nvdisplay: unblank
[  422.237532] tegradc 15220000.nvdisplay: blank - powerdown
[  422.277312] tegradc 15200000.nvdisplay: unblank
[  422.277328] tegradc 15210000.nvdisplay: blank - powerdown
[  422.277339] tegradc 15220000.nvdisplay: blank - powerdown
[  422.301394] tegradc 15200000.nvdisplay: unblank
[  422.301411] tegradc 15210000.nvdisplay: blank - powerdown
[  422.301420] tegradc 15220000.nvdisplay: blank - powerdown
[  426.356871] tegradc 15210000.nvdisplay: dp: plug event received
[  426.356946] hpd: state 3 (Disabled), hpd 1, pending_hpd_evt 1
[  426.356952] hpd: switching from state 3 (Disabled) to state 0 (Reset)
[  426.457965] hpd: state 0 (Reset), hpd 1, pending_hpd_evt 0
[  426.457990] tegradc 15210000.nvdisplay: blank - powerdown
[  426.458019] extcon-disp-state external-connection:disp-state: cable 44 state 0 already set.
[  426.458024] Extcon DP: HPD disabled
[  426.458029] hpd: hpd_switch 0
[  426.458034] hpd: switching from state 0 (Reset) to state 1 (Check Plug)
[  426.458046] hpd: state 1 (Check Plug), hpd 1, pending_hpd_evt 0
[  426.458084] hpd: switching from state 1 (Check Plug) to state 2 (Check EDID)
[  426.465985] hpd: state 2 (Check EDID), hpd 1, pending_hpd_evt 0
[  426.466661] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 2
[  426.468121] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 1
[  426.469578] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 0
[  426.471048] tegradc 15210000.nvdisplay: dp: aux write got error (0x10000100)
[  426.471207] tegradc 15210000.nvdisplay: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[  426.472042] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 2
[  426.473499] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 1
[  426.474838] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 0
[  426.476306] tegradc 15210000.nvdisplay: dp: aux write got error (0x10000100)
[  426.476459] tegradc 15210000.nvdisplay: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[  426.477265] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 2
[  426.480055] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 1
[  426.481408] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 0
[  426.482636] tegradc 15210000.nvdisplay: dp: aux write got error (0x10000100)
[  426.482798] tegradc 15210000.nvdisplay: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[  426.482817] tegradc 15200000.nvdisplay: unblank
[  426.483007] tegradc 15210000.nvdisplay: blank - powerdown
[  426.483019] tegradc 15220000.nvdisplay: blank - powerdown
[  426.483454] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 2
[  426.484912] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 1
[  426.486439] tegradc 15210000.nvdisplay: dp: aux write retry (0x10000100) -- 0
[  426.487911] tegradc 15210000.nvdisplay: dp: aux write got error (0x10000100)
[  426.488068] tegradc 15210000.nvdisplay: dp: Failed to write DPCD data. CMD 0x600, Status 0x10000100
[  426.488222] tegradc 15210000.nvdisplay: dp: failed to exit panel power save mode (0xfffffff2)
[  426.488368] hpd: edid read prepare failed
[  426.488442] tegradc 15210000.nvdisplay: blank - powerdown
[  426.488464] extcon-disp-state external-connection:disp-state: cable 44 state 0 already set.
[  426.488469] Extcon DP: HPD disabled
[  426.488474] hpd: hpd_switch 0
[  426.488479] hpd: switching from state 2 (Check EDID) to state 3 (Disabled)
[  426.501132] tegradc 15200000.nvdisplay: unblank
[  426.501146] tegradc 15210000.nvdisplay: blank - powerdown
[  426.501155] tegradc 15220000.nvdisplay: blank - powerdown