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

Submitted by Nick Desaulniers

Assigned to Intel GFX Bugs mailing list

Link to original bug (#108860)

Description

This is seen in dmesg after a flicker on the screen.

[ 54.560613] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] ERROR CPU pipe A FIFO underrun

Kernel command line parameters tried, to no effect:
i915.enable_fbc=0
i915.enable_rc6=0

This is on a i7-7500U (Kabylake) on a Razer Blade Stealth laptop. Running a 4.19.0-rc7 kernel.

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