[Bug 96828] Cannot set 4K screen to 60Hz on xf86-video-intel driver: CPU pipe B FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96828

--- Comment #6 from Robert <bugs.freedesktop.org at r123.de> ---
I just noticed that although 60Hz now works fine, 30Hz stopped working. When
setting the mode to 3840x2160 at 30Hz the screen stays blank and dmesg says the
following:

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

However, from my side I consider that to be a minor issue.

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