drm: mipi_dbi_hw_reset() keeps display in reset

Josef Luštický josef.lusticky at braiins.cz
Fri Feb 14 09:29:29 UTC 2025


Hello Alex,
there is a bug in mipi_dbi_hw_reset() function that implements the logic of
display reset contrary.
It keeps the reset line activated which keeps displays in reset state.

I reported the bug to
https://gitlab.freedesktop.org/drm/misc/kernel/-/issues/63

Unfortunately, fixing the bug would mean current DTB-ABI breakage and
device-trees modification would be needed.
I mainly write this email to let you and other people know about it, so
hopefully it can be found easier.
What are your thoughts?

Regards,
Josef Lusticky
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