[Bug 49838] [830M] fails to wake up from suspend on thinkpad X30

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Mar 2 13:23:25 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=49838

--- Comment #138 from Jesse Barnes <jbarnes at virtuousgeek.org> ---
So VGA comes back buggy and LVDS doesn't come back at all.  Sounds like we may
be missing save/restore of some memory controller regs, starving the display of
memory bw?  I'm just assuming the VGA flicker you saw was caused by underruns. 
Another possibility is we're not restoring a source clock configuration, making
the pixel clocks we try to drive bogus...

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