[Bug 66111] [IVB]igt/kms_flip failed to set mode on [CRTC:7], err = -22 with VGA/DP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66111

--- Comment #7 from lu hua <huax.lu at intel.com> ---
(In reply to comment #6)
> Patch to tune down the dmesg output:
> 
> https://patchwork.kernel.org/patch/2775471/

Test with this patch.It has another issue.
 dmesg -r | egrep "<[1-3]>" |grep drm
<3>[   65.605165] [drm:intel_pipe_config_compare] *ERROR* mismatch in
adjusted_mode.flags (expected 1, found 0)
<3>[   70.975957] [drm:intel_pipe_config_compare] *ERROR* mismatch in
adjusted_mode.flags (expected 1, found 0)

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