[Bug 59841] [IVB cpu eDP] panel is broken due to 657445fe86 (eDP bpp clamping)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=59841

--- Comment #202 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to jkp from comment #201)
> Do you want that with or without patch 110101?

Preferrably with. But I'd like to be sure it works with 110101 (no need to
attach dmesg for that), and then see if patch from comment 198 still works or
breaks it.

I think your failure earlier is because you booted with external display
connected, and BIOS didn't enable the panel. For some reason some machines need
to have the BIOS light up the panel at boot, or else it doesn't work. (Yes,
this bug is accumulating a lot of related issues... and comments. *sigh*.)

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