Modesetting failure with kernel 3.15; ok with kernel 3.14

[Steven Usdansky]

Not sure where to report this problem (or what I should be looking for),
but when booting any of the 3.15 kernels, kernel-modesetting fails and X
comes up with a resolution of  1024x768, rather than the 1680x1050
resolution specified in my xorg.conf file. xorg.conf is necessary because
my monitor does not emit a proper EDID.

~$ uname -r
kernel-3.15.0-0.rc1.git1.1.fc21.x86_64
~$ lspci | grep 9100
02:00.0 VGA compatible controller: NVIDIA Corporation C78 [GeForce 9100]
(rev a2)

Reverting to kernel -3.13.7-200.fc20.x86_64 avoids the problem (and
problems I've been having with firefox-28 locking up with 3.14 kernels).

--
RockDoctor
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