[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 #159 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Jani Nikula from comment #134)
> Ulf, jkp, or anyone seeing the difference between UEFI w/o CSM vs. UEFI w/
> CSM vs. legacy boot: Please attach /sys/kernel/debug/dri/0/i915_opregion in
> working and non-working cases. Please indicate the BIOS mode used clearly in
> the attachment. Thanks.

To verify some things, please attach dmesg with drm.debug=0xe for both cases,
running drm-intel-nightly branch of
git://people.freedesktop.org/~danvet/drm-intel

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