[Bug 91883] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91883

--- Comment #28 from sagi <spam-bugzillafreedesktop at rtsn.nl> ---
I have the same error in dmesg:

drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A
(start=1894 end=1895) time 239 us, min 1073, max 1079, scanline start 1063, end
1080

Screen flicker every now and then; quickly changing workspaces usually silences
the flicker for a while. This is kernel 4.7.8 on Debian testing
(linux-image-4.7.0-1-amd64) on a Dell XPS 13 9343 (Broadwell).

I also get:

[drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

No idea if they're related. Please let me know if there is any additional
information that'd be helpful to provide.

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