[Bug 96226] [IGT] some kms_flip subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96226

--- Comment #37 from Octavio <octaviox.hernandez.lopez at intel.com> ---
These tests fail on CFL QA 

igt at kms_cursor_legacy@cursorb-vs-flipb-toggle
igt at kms_cursor_legacy@cursora-vs-flipa-toggle

using IGT-Version: 1.21-g08e8621 (x86_64) (Linux:
4.15.0-drm-intel-qa-ww6-commit-64279a8+ x86_64)

[  191.929096] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[  191.974251] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun

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