@cythan77286 I have too trouble,
Copy my post from raspberrypi forum

1-st
#vc4_kms_v3d
#vc4_fkms_v3d
DPI 18Bit work fine, rotate 0-90-180-270.
Screen show console but cant make (emulationstation window) GL error SDL

2-nd
vc4_kms_v3d
#vc4_fkms_v3d
DPI 18Bit work fine, rotate 0-90-180-270.
Screen show console but cant make (emulationstation window) GL error SDL

3-rt
#vc4_kms_v3d
vc4_fkms_v3d
DPI 18Bit work fine, CAN'T rotate 0-90-180-270.
Screen show console and fine work emulationstation window and etc. But cant rotate