[Bug 103229] SKL screen flicker and dmesg [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=103229

--- Comment #7 from Martin Monperrus <martin.monperrus at gnieh.org> ---
I confirm this bug on kernel 4.13.0-1-amd64, using a "VGA compatible
controller: Intel Corporation HD Graphics 515 (rev 07)", even with the latest
Intel SKL microcode

[    2.430470] kernel: microcode: sig=0x406e3, pf=0x80, revision=0xba
model           : 78
model name      : Intel(R) Core(TM) m5-6Y54 CPU @ 1.10GHz
stepping        : 3
microcode       : 0xba

I also confirm that i915.enable_rc6=0 is a workaround.

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