[Bug 91434] [IVB/HSW] 23.976Hz & 24Hz modes broken on dual-display with recent (4.0.x) kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91434

--- Comment #69 from Martin Andersen <martin.x.andersen at gmail.com> ---
Has there been any development wrt. implementing a boot-time max_bpc setting
(kernel parameter to the i915 module), which mirrors the functionality of
'xrandr --set 'max bpc' 8' ?

I am afraid that the lack of this functionality will rule out running an Intel
GPU on affected systems, as the display is completely blank during boot and
logging in to the X-server (which becomes an impossibility) is required in
order to override the detected bpc setting and return the system to a
functioning state.

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