[Bug 84682] [i945GM] Just black screen and mouse cursor with `i915.fastboot=1`

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Nov 11 11:16:17 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=84682

--- Comment #4 from Jesse Barnes <jbarnes at virtuousgeek.org> ---
Can you try the fastboot-default branch of my tree at fdo:
git://people.freedesktop.org/~jbarnes/linux

You may also need:
[PATCH] drm/i915: Use correct pipe config to update pll dividers. V2

from the ml for your 945 if things don't come up.

The bottom line here is that if your device is coming up with the fitter
enabled, we probably won't be able to disable it gracefully (i.e. without a
modeset) and get into a native mode for Linux.  If you can configure your boot
loader to use a native mode, you ought to be able to fastboot w/o a modeset,
but often times the VBIOS will be missing the panel native mode, so you might
have to hack it to make it work.

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