[3.14.0-rc4] regression: drm FIFO underruns

[JÃrg Otte]

I still have FIFO underruns in drm:
[drm:ivb_err_int_handler] *ERROR* Pipe B FIFO underrun
[drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun
[drm:cpt_serr_int_handler] *ERROR* PCH transcoder B FIFO underrun

which I already reported here:
https://lkml.org/lkml/2014/4/9/127

and which is still unanswered!

I tried to bisect the thing, but I ran into compile errors. So I
can only say it came in with
e9f37d3 "Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux"

JÃrg
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