[Bug 100226] [KBL] Switching multihead mode fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100226

--- Comment #8 from qwang13 <quanxian.wang at intel.com> ---
(In reply to Paulo Zanoni from comment #5)
> It's expected that when you switch to multihead you may end up not having
> enough stolen memory for a 1:1 CFB and that may cause the code to reduce the
> CFB size. That's fine and expected. Due to that, I updated the bug title in
> order to avoid confusion. The "i915.enable_fbc=0" test should help finding
> out if this is indeed a problem related with FBC.

Hi, Paulo Zanoni
Comment 4 has mentioned that, set i915.enable_fbc=0 doesn't work.

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