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

Matthew Macy mmacy at nextbsd.org
Mon May 23 20:43:37 UTC 2016




 ---- On Mon, 23 May 2016 13:39:42 -0700 Alexander Mishurov <alexander.m.mishurov at gmail.com> wrote ---- 
 > I'm experiencing the same issue. The keyboard works only in the terminal  
 > where a kldload was launched from, if I try to log in to another  
 > terminal, Alt+F(x), it doesn't respond on a typing. 
 >  
 > My hardware is Bay Trail, ValleyView. 
 >  
 > Output is: 
 > May 22 18:05:12 fbsd kernel: [drm] Initialized drm 1.1.0 20060810 
 > May 22 18:05:12 fbsd kernel: bus_register unimplemented!!! 
 > May 22 18:05:12 fbsd kernel: 
 > May 22 18:05:12 fbsd kernel: [drm:drm_pci_init] 
 > May 22 18:05:12 fbsd kernel: drmn0: <drmn> on vgapci0 
 > May 22 18:05:12 fbsd kernel: [drm:drm_get_pci_dev] 
 > May 22 18:05:12 fbsd kernel: simple_pin_fs is dodgy -- see your local  
 > kernel hacker 
 > May 22 18:05:12 fbsd kernel: vgapci0: child drmn0 requested pci_enable_io 
 > May 22 18:05:12 fbsd kernel: vgapci0: child drmn0 requested pci_enable_io 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] new minor  
 > registered 64 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] new minor  
 > registered 128 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] 
 > May 22 18:05:12 fbsd kernel: [drm:drm_minor_register] new minor registered 0 
 > May 22 18:05:12 fbsd kernel: __pm_runtime_resume not implemented -- see  
 > your local kernel hacker 
 > May 22 18:05:12 fbsd kernel: [drm:i915_dump_device_info] i915 device  
 > info: gen=7, pciid=0x0f31 rev=0x00  
 > flags=is_mobile,need_gfx_hws,is_valleyview,has_hotplug, 
 > May 22 18:05:24 fbsd kernel: ath0: ath_edma_rxbuf_alloc:  
 > bf=0xfffffe00010dfbc8, rxbuf alloc failed! error=55 
 > May 22 18:05:24 fbsd kernel: ath0: ath_edma_rxfifo_alloc: Q1: alloc  
 > failed: i=0, nbufs=128? 
 > May 22 18:05:24 fbsd kernel: ath0: ath_edma_rxbuf_alloc:  
 > bf=0xfffffe00010dfef8, rxbuf alloc failed! error=55 
 > May 22 18:05:24 fbsd kernel: ath0: ath_edma_rxfifo_alloc: Q1: alloc  
 > failed: i=0, nbufs=128? 

It's probably not fixed, but please try the latest. Based on what I see there I'll instrument the attach path. 

(ath(9) doesn't look so happy either).

-M


 > On 23/05/16 23:28, Lundberg, Johannes 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? 
 > > 
 > > 
 > > On Sat, May 21, 2016 at 4:17 PM, Baptiste Daroussin <bapt at freebsd.org> 
 > > wrote: 
 > > 
 > >> 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 
 > >> 
 >  
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