Update 2 the state of drm-next-4.6 and next steps

[Matthew Macy]

 ---- On Mon, 23 May 2016 13:28:17 -0700 Lundberg, Johannes <johannes at brilliantservice.co.jp> wrote ---- 
 > >happily running my broadwell laptop
 > 
 > That's interesting. On my Cherry View dev board which is also Broadwell graphics (I think) I get some output from kldload i915kms but then it halts. USB keyboard still works (as in I can press enter and console scrolls up) but no response from OS.
 > 
 > I do get some message about bus_register something missing..
 > 
 > Maybe not ready for testing?

That's just a place holder for stubbed code. I didn't realize it would be so confusing to users. You'll see that those warnings are now disabled.

Some bugs have been fixed. Try the latest image. Also see my last "Day 2" mail to the list.  I don't think Cherry View is the same thing as Broadwell at all though. If I can't get more output from testers you'll have to wait until I can get my own hardware with that chip.

Cherry View returns no hits on Ark. Do you mean Cherry Trail: 
http://ark.intel.com/products/codename/46629/Cherry-Trail?q=Cherry%20Trail

This is low-end embedded. Based on others' reports, it exercises holes in the linuxkpi.

-M



 > On Sat, May 21, 2016 at 4:17 PM, Baptiste Daroussin <bapt at freebsd.org> wrote:
 > 
 >   
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 > error, please destroy the original message.On Wed, May 11, 2016 at 02:29:36AM -0700, Matthew Macy wrote:
 >  >
 >  >
 >  > At least to some degree hw accelerated 3d works on the 4.6 i915 driver (which in principle supports up through Kaby lake - I don't yet have anything newer than Haswell).
 >  >
 >  > https://plus.google.com/114029301710423058970/posts/485LyZegC9B
 >  >
 >  > I anticipate maintaining all the pieces: linuxkpi, drm, i915, amdgpu, amdkfd as ports for the foreseeable future to make maintenance and continued development simpler.
 >  >
 >  > I hope to post a call for testers this weekend or early next week.
 >  >
 >  > Cheers.
 >  >
 >  > -M
 >  >
 >  >
 >  >  ---- On Sun, 24 Apr 2016 13:18:14 -0700 Matthew Macy <mmacy at nextbsd.org> wrote ----
 >  >  >
 >  >  >
 >  >  >
 >  >  >  ---- On Tue, 12 Apr 2016 12:57:34 -0700 Matthew Macy <mmacy at nextbsd.org> wrote ----
 >  >  >  > There seems to be some confusion about the state of drm-next-3.9. All the work is currently going on in jmd's fork of freebsd-base-graphics:
 >  >  >  >
 >  >  >  > https://github.com/iotamudelta/freebsd-base-graphics
 >  >  >  >
 >  >  >  > The emphasis has been on bringing i915 and the drm code  in dev/drm2 closer to upstream as opposed to a simple driver refresh. I'm currently implementing missing linuxkpi bits and hope to actually be testing in the next week or so.
 >  >  >  >
 >  >  >  > As of this moment there is nothing available for general consumption. I very much hope to have this phase done before code freeze. I will update the list as soon as there is anything to test. Until then, hold your horses.
 >  >  >  >
 >  >  >
 >  >  > X now runs i915kms accelerated on the 3.9 driver update. Currently *only* SNA works.
 >  >  > Known issues:
 >  >  >   -  UXA will fail with: "(EE) failed to create screen resources(EE)".
 >  >  >        If someone has pointer on how to diagnose other than the usual trawling
 >  >  >       through Xorg sources let me know.
 >  >  >   - The module currently leaks memory on unload.
 >  >  >
 >  >  >
 >  >  > My general feeling is that unless you have one of the half-dozen Haswell PCIIDS that aren't support by 3.8 it probably isn't worth testing yet. I'm only sending this out to let users track its progress.
 >  >  >
 >  >  >
 >  >  > Cheers.
 >  >  > -M
 >  >
 >  
 >  as a follow-up I want to share that I cherry-picked the code from the
 >  drm-next-4.6 branch on the current source tree and I am now happily running my
 >  broadwell laptop with the i915 driver (lenovo x250) so far no problem for normal
 >  usage. I have a few glitches with xrandr but nothing that makes it unusable.
 >  
 >  I will test with the next version of xorg server and latest xorg intel driver to
 >  see if that fixes the glitches.
 >  
 >  Thnak you all for you work!
 >  
 >  Bapt
 >