[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 #92 from infernix at infernix.net ---
jkp: your proposed patch in comment 90 solves the graphical corruption on XPS
13, but there is still no backlight/brightness control. No combination of
acpi_osi=Linux and/or acpi_backlight=vendor has any effect.

Unless backlight control is a separate issue, for XPS 13 proposed patch in
comment 90 does not fully resolve the issue. Backlight is unchangeable, with or
without Xorg.

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