[Bug 47034] [G45] mode set failure with testdisplay, low resolution modes fail and display doesn't come back

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47034

--- Comment #12 from yangguang <guang.a.yang at intel.com> ---
Created attachment 71113
  --> https://bugs.freedesktop.org/attachment.cgi?id=71113&action=edit
dmesg info with patch

(In reply to comment #11)
> Please retest with
> 
> commit 8c919b28932d2a1fcadd196bbf36d8866afc458a
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Dec 4 16:33:19 2012 +0000
> 
>     drm/i915: Clear the existing watermarks for g4x when modifying the
> cursor sr

I try the newest -fixes including you commit, the issue still occurs, and I
attach the dmesg.

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