[Bug 98994] [BDW] : [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=98994

--- Comment #14 from Johannes Brummer <freedesktop.bugzilla at yq.fi> ---
Created attachment 130666
  --> https://bugs.freedesktop.org/attachment.cgi?id=130666&action=edit
dmesg from drm-tip (checked out 20170313 11:19UTC)

I've been running drm-tim (checkout 20170313 ~11:19UTC) for a while now and
haven't noticed any symptoms anymore (no screen distortion with hdmi or
flickering on with displayport - on external display, with or without docking
station).

I'll retest with the latest (HEAD is now at 5bc82ec7f623 drm-tip:
2017y-04m-03d-16h-44m-48s UTC integration manifest) version, but looking good
on my ThinkPad W550s (20E2001JMS).

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