Kernel 4.19 error messages on start up

[wahaha 4]

Hi, these errors came about on OS boot with kernel 4.19.

[33.895277] reg-fix-voltage vcc1v8-s3: Looking up vin-supply from device tree
[33.895570] vcc1v8_s3: supplied by vcc_1v8
[68.028413] vcc_lcd: disabling
[68.028413] cdn-dp fec00000.dp: [drm:cdn_dp=pd_event_work] *ERROR* Timed out trying to load firmware
[163.648708] rock-chip-pm-domain ff310000.power-management:power-controller: Looking up pd_vopb-supply from device tree
[163.649708] rock-chip-pm-domain ff310000.power-management:power-controller: Looking up pd_vopb-supply property in node /power-management@ff310000/power-controller failed
[164.651200] rockchip-vop ff900000.vop: [drm:vop_crtc_atomic_enable] Update mode to 3440x1440p60, type: 11
[164.851200] dwhdmi-rockhip ff940000.hdmi: Rate 319750000 missing; compute N dynamically

 

could you please provide an update to the dts?