Am Sun, 22 May 2016 00:20:30 -0700 Matthew Macy <mmacy_at_nextbsd.org> schrieb: > 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-current_at_freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" When is a Broadwell support supposed to appear in CURRENT? Regrads, oh
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:06 UTC