[Bug 74102] [ILK/SNB/IVB/HSW/BDW]igt/testdisplay causes *ERROR* Pipe A FIFO underrun

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74102

--- Comment #19 from xubin <bin.a.xu at intel.com> ---
Tested on HSW mobile with drm-intel-testing-2015-04-10 kernel,unplug and plug
the HDMI will cause *ERROR* sporadically .
Reproduce steps:
-------------------------
1,Connected the HDMI and VGA monitor
2,unplug and plug the HDMI
output:
[  862.130513] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 130

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