I have new CPU i7 6700k, and I am using now integrated GPU in CPU, Intel® HD Graphics 530. In dmesg I noticed I get lot of dumps (see attachments). I am running now kernel 4.2.0-rc5 (running with options intel_iommu=on i915.preliminary_hw_support=1), xf86-video-intel 2.99.917 on gentoo, xorg-server-1.17.2 and mesa-10.6.3. I have three monitors and using i3wm with compton. I also have some problems with rendering, see screenshoot in attachment.
Created attachment 117595 [details] dmesg
Created attachment 117596 [details] Xorg log
Created attachment 117597 [details] screenshoot of bad rendering
The warnings are the same as bug 89055.
I tested it on 2015-08-18 nightly drm-intel kernel, new problem, I am seeing lot of black screens on my monitors for few seconds, then go back to normal displaying, and againg black screens, like there was no signal to monitor. I am including now xrandr --verbose and dmesg with drm.debug=0x1e
Created attachment 117789 [details] dmesg with drm.debug=0x1e
Created attachment 117790 [details] xrandr --verbose
Please retry latest drm-intel-nightly.
Timeout, closing.
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