@jawn-smith, I'm using this display: https://www.waveshare.com/5.5inch-hdmi-amoled-with-case.htm
with this cmdline.txt: console=tty1 root=LABEL=writable rootfstype=ext4 rootwait quiet splash video=HDMI-A-1:1080x1920M@60,rotate=90,panel_orientation=right_side_up drm.edid_firmware=edid/Waveshare5.5Amoled4.bin fbcon=rotate:1 fsck.mode=force fsck.repair=yes and that edid file is attached. ** Attachment added: "Waveshare5.5Amoled4.bin" https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1944397/+attachment/5531697/+files/Waveshare5.5Amoled4.bin -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944397 Title: HDMI does not display anything with Impish RPi desktop image To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware-raspi2/+bug/1944397/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs