[Bug 111726] [WHL] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe B FIFO underrun

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Sep 18 16:13:49 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=111726

--- Comment #2 from Sushma <sushma.venkatesh.reddy at intel.com> ---
Lakshmi, the dmesg log that I have attached is from drmtip. WHL is on 4.19
kernel. I am seeing sporadic flickers when the fifo underruns occur. It is very
frequent when I use USB-C to USB-C cable to connect external monitor - once in
three tries. Especially, while using the LG monitor on which I am reporting the
issue.

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