[Bug 108462] two external screens permanently go blank on HP EliteBook Folio G1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108462

--- Comment #81 from Shmerl <shtetldik at gmail.com> ---
Actually, while it's better the issue is not totally gone in my case. At least
monitors wake up now most of the time, but one time I got only one monitor
waking up and not another. I also see this in dmesg (relatively recent
messages):

[155348.188820] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[169094.717384] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
[331635.239381] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun

I'll post detailed dmesg from boot with drm.debug=0x1e a bit later.

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