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

Matthew Macy mmacy at nextbsd.org
Tue May 31 23:25:19 UTC 2016 

 > >> Attached it the dmesg. If you need any more let me know. 
 > >> 
 > >> 
 > >> Also tested this on my Acer Aspire E3-112, Pentium N3540 (Baytrail 
 > >> M/Valleyview). Looks better, console stays fine and responsive after 
 > >> loading the module. The image did not have X on it so I didn't test 
 > >> that. 
 > >> 
 > >> Thanks, 
 > >> 
 > > 
 > > What processor is the Yoga 12? 
 > > 
 > CPU: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz (2394.51-MHz K8-class CPU) 
 >  
 > According to the dmesg (did my attachment get scrubbed?) 
 >  
 > > KDE and xfce aren't in the pkg repo at the moment so the pkg install 
 > > failed. I've created a new image with e16. Please try that. 
 > > 

Please file an issue for each distinct problem at:
https://github.com/FreeBSDDesktop/freebsd-base-graphics

Thanks.
-M




 > >> 
 > >> On Sun, May 22, 2016 20:52, Jakob Alvermark wrote: 
 > >> 
 > >>> Hi, 
 > >>> 
 > >>> 
 > >>> 
 > >>> I tested the image disk_16052200.img.xz on my ThinPad Yoga 12 
 > >>> (Broadwell) 
 > >>> It panics when I try 'startx' or 'kldload i915kms' 
 > >>> 
 > >>> 
 > >>> 
 > >>> Attached core.txt.0 
 > >>> 
 > >>> 
 > >>> 
 > >>> Thanks for working on this! 
 > >>> 
 > >>> 
 > >>> 
 > >>> Jakob 
 > >>> 
 > >>> 
 > >>> 
 > >>> On Sun, May 22, 2016 09:20, Matthew Macy wrote: 
 > >>> 
 > >>> 
 > >>>> 
 > >>> 
 > >>>> I'm happy to announce a call for testers for the 4.6 update of drm 
 > >>>> and i915. The driver has been successfully tested on IvyBridge, 
 > >>>> Haswell, 
 > >>>> Broadwell and Skylake. At least basic HW 3D acceleration should 
 > >>>> work, VGA and DP out are known to work. Video decode has only been 
 > >>>> tried once and that did not work. 
 > >>>> 
 > >>>> At this point I'm most interested in taking an inventory of what is 
 > >>>>  broken where. My priorities are common sense: 
 > >>>> 
 > >>>> a) stability b) fixing 2D artifacts c) fixing 3D problems d) video 
 > >>> decode d) 
 > >>>> output support e) other features 
 > >>>> 
 > >>>> At this time "prime" (needed for switching between GPUs, compute 
 > >>>> APIs, and DRI3) is not yet supported. All the pieces are in place 
 > >>>> but support existing functionality is a higher priority. Userptr 
 > >>>> (mapping 
 > >>>> user memory in to the driver) requires VM changes. Support is 
 > >>>> planned, but likely post-11. 
 > >>>> 
 > >>>> 
 > >>>> A few caveats are in order: 
 > >>>> - The only reported test on Sandy Bridge indicated severe artifacts. 
 > >>>>  - Arrandale (pre-Sandy Bridge) and earlier are not yet supported 
 > >>>> by this update. The intel_i810 code has been heavily localized for 
 > >>>> FreeBSD 
 > >>>> making it more difficult to integrate. Thus there are holes in the 
 > >>>> gmch support. - This update is 64-bit only. There is no good reason 
 > >>>> to be running in 32-bit mode on any of the hardware supported by 
 > >>>> this driver. - Although it works fine for me on my Skylake the one 
 > >>>> other tester I have reports from indicates that the driver isn't 
 > >>>> actually attaching and creating aliases for the drm device nodes. 
 > >>>> 
 > >>>> 
 > >>>> 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. 
 > >>>> 
 > >>>> 
 > >>>> If you encounter problems with startx, please try loading the i915 
 > >>>> kmod in isolation and make sure that it switches correctly to vt_fb. 
 > >>>> If 
 > >>>> you're not running efifb you'll notice a change in resolution. If it 
 > >>>>  works but is slow or has artifacts you may try switching to UXA by 
 > >>>>  removing /etc/X11/xorg.conf.d/20-intel.conf (if you're using the 
 > >>>> USB image). If you've built from source, try configuring SNA 
 > >>>> instead. SNA is much better behaved for me. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> The usual rules apply for kernel debugging. There should be copious 
 > >>>>  information on that in the handbook and elsewhere. If that proves 
 > >>>> to be problematic for people I will send out a follow up mail. 
 > >>>> 
 > >>>> A couple observations: 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> - The FreeBSD PTB insist that a debugger be in tree but that it 
 > >>>> pre-date GPL2, consequently kernels are, by default compiled with 
 > >>>> DWARF2 
 > >>>> which is very poor at retain debug information in the presence of 
 > >>>> any optimization. If this is a problem, either recompile everything 
 > >>>> with -O0 (add CFLAGS += -O0 in drm2 and 
 > >>>> i915kms Makefiles, and pass COPTFLAGS=-O0 to buildkernel) or install 
 > >>>> a newer kgdb from ports. 
 > >>>> 
 > >>>> 
 > >>>> - The purpose of encrypted swap is that the data on disk be 
 > >>>> unrecoverable. This is somewhat at cross purposes with savecore. So 
 > >>>> don't do that. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> Now that this is out I will be switching gears to bringing up 
 > >>>> amdgpu and radeon support. I have no hardware that uses the radeon 
 > >>>> driver so I will have to rely on Jean for testing and support there. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> Those of you wishing to try your hand at testing from source can 
 > >>>> fetch our repo from github at: 
 > >>>> 
 > >>>> 
 > >>>> https://github.com/iotamudelta/freebsd-base-graphics 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> Make sure to check out the drm-next-4.6 branch. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> If you'd rather just try it on a usb pen driver you can also 
 > >>>> obtain a prebuilt memstick image with this branch installed along 
 > >>>> with xorg and some commonly used ports at: 
 > >>>> 
 > >>>> http://www.bsddesktop.com/images/disk_YYMMDDHH.img.xz 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> There is no root password and the user/pw is joeuser/joeuser. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> If you're curious about what's on it, the script used to 
 > >>>> create the image is here: 
 > >>>> 
 > >>>> http://www.bsddesktop.com/images/usbcreate.sh 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> If you'd like to help out with collecting data on what 
 > >>>> laptops are supported please run Warren Block's notebookstats 
 > >>>> script: 
 > >>>> 
 > >>>> 
 > >>>> http://www.bsddesktop.com/images/notebookstats 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> It's also installed under /usr/local/bin on the image. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> If I've missed anything please let me know and I will follow up. 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> -M 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>>> _______________________________________________ 
 > >>>> freebsd-x11 at freebsd.org mailing list 
 > >>>> https://lists.freebsd.org/mailman/listinfo/freebsd-x11 
 > >>>> To unsubscribe, send any mail to 
 > >>>> "freebsd-x11-unsubscribe at freebsd.org" 
 > >>>> 
 > >>>> 
 > >>>> 
 > >>> _______________________________________________ 
 > >>> freebsd-x11 at freebsd.org mailing list 
 > >>> https://lists.freebsd.org/mailman/listinfo/freebsd-x11 
 > >>> To unsubscribe, send any mail to "freebsd-x11-unsubscribe at freebsd.org" 
 > >>> 
 > >> 
 > > 
 > > 
 >  
 >  
 >

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