[Bug 21279] X fails when DynamicPM or ForceLowPowerMode is on.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 8 08:41:35 PST 2012


--- Comment #12 from dan curran <daniel.m.curran at gmail.com> 2012-03-08 08:41:35 PST ---
(In reply to comment #11)
> Does KMS work for you with bootcamp?  UMS isn't really maintained anymore.  It
> would be better to try and fix KMS than to mess with UMS.

X does work when KMS is used, however KMS itself does not work. there are no
power management related entries in /sys/class/drm/card0/device/, and powertop
still reports ~25W of battery usage (suggesting the card is not being managed).


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