4.6 DRM/i915 update CFT (Sandy Bridge?)/IvyBridge/Haswell/Broadwell/SkyLake/KabyLake supported

[Matthew Macy]

 > > [...] 
 > > 
 > > Please send issue/success reports to the freebsd-x11 mailing list. 
 > > I may be preoccupied with work matters for periods of time. Sending 
 > > it to the list makes sure that the messages don't get lost. 
 >  
 > I'm using an Asus ZenBook UX305CA (Skylake m3-6Y30). With commit 
 > 1e9ceda, after kldload'ing i915, the text console seems to work fine 
 > (just a quick blink from the EFI framebuffer to i915). With no X 
 > configuration files at all, I have success with glxgears and xrandr, and 
 > I can run gtk-redshift (which didn't work with the scfb driver). 
 > However, I think that various bits of rendering are happening in software: 
 >  
 > /var/log/Xorg.0.log (also attached): 
 > ``` 
 > [  1124.648] (WW) intel(0): cannot enable DRI2 whilst forcing software 
 > fallbacks 
 

Your permissions are wrong. You need to add yourself to the video group.

 >  
 > This log mentions my external HDMI port, but I need to acquire a 
 > mini-HDMI adapter in order to test the external output. I'll try to do 
 > that in the next few days. 
 
Please do.

 > I see lots of funny things when playing video, but I don't think that 
 > video decoding is happening in hardware. In addition to the above, 
 > running `xvinfo` yields: 
 >  
 > ``` 
 > X-Video Extension version 2.2 
 > screen #0 
 >  no adaptors present 
 > ``` 
May also be a permissions issue.

-M