unl0kr present but invisible (black screen)

Describe your issue

What's the expected behaviour?

see unl0kr

What's the current behaviour?

unl0kr is there but the screen remains black until a key is hit

How to reproduce your issue?

boot unl0kr on axolotl

What device are you using?

shift-axolotl

On what postmarketOS version did you encounter the issue?

• edge (master branch)
• v24.06
• v23.12 (supported until 2024-07-16)

Additional information

Findings are described in #2434 (comment 1976379591), but #2434 was based on wrong assumptions and has been marked "support", which this issue isn't.