Display backlight flashes (usually while stuck on a black screen) if HDR is on

[VisualEhrmanntraut]

macOS Version

None

What is your CPU's model?

n/a

Please describe the behaviour in detail.

self explanatory

What should've happened instead?

normal boot without flashing backlight

If applicable, attach the .gpuRestart, .panic, etc file related to this issue.

No response