[Bug 94605] [SKL] Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94605

--- Comment #92 from Dominik Klementowski <dominik232 at gmail.com> ---
Latest intel-drm-nightly solved a lot of issues for my graphics - Intel HD 520
(Skylake GT2) with Core i5-6200U (it's Acer E5 laptop). 

BOOT_IMAGE=/boot/vmlinuz-4.9.0-994-generic root=... ro i915.enable_rc6=0 quiet
splash

It works 24 hours for now (was suspended at night) and I haven't seen any
flickering nor glitches so far. Previously the graphics was garbage
(flickering, glitches, sometimes black screen at boot, weird things after
connecting/disconnecting external screen), and now it feels stable. Also there
is nothing negative about Intel DRM in dmesg! :)

I recommend installing Intel DRM Nightly kernel for anyone who's still
experiencing such symptoms. I'm curious if there's more Skylake cards that are
fixed with latest commits.

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