[Bug 93711] BUG in i915_gem.c freezed the console

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=93711

--- Comment #24 from Ruoyao Xi <xry111 at outlook.com> ---
The fix of 93711 in rc5 is a cherry-picking from linux-next. But it caused a
lot of trouble.
Now we've found other fixes from linux-next needed to keep all things work
correctly (>_<).

The solution in intel-gfx mailing list is:
(1) Cherry-picking Daniel Vetter's commit 
    8218c3f4df3bb1c637c17552405039a6dd3c1ee1
    drm: Fixup racy refcounting in plane_force_disable
from linux-next.

(2) Cherry-picking Damien Lespiau's commit 
    f55548b5af87ebfc586ca75748947f1c1b1a4a52
    drm/i915: Don't try to reference the fb in get_initial_plane_config()
from linux-next.

(3) Apply Josh Boyer's patch from intel-gfx mailing list.

I'll upload patches from Daniel and Josh.

Maintain something between mainline tree and linux-next always causes
trouble... I hope
this package solution can end up all this mess things!

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