[Bug 74022] [pnv !DRM_I915_FBDEV] Hang upon resume
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Aug 25 05:46:01 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=74022
--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #4)
> On a hunch I expect the bios to stomp on the lower end of the gtt/stolen.
> Can you please test what happens
> - with Jesse's fb takeover patches (pls double-check that we indeed wrap the
> fb correctly)
They already were included.
> - and when disabling stolen if the fb wrap patches don't help.
There wasn't stolen available at the introduction of the bug.
> Finally is the bios somehow resuming the display hw for us already or are
> all pipes off on takeover from resume?
Nope.
Back to testing and this is gone on my latest ring init routines. I might get
round to seeing if it was fixed in the meantime...
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