On Wed, Jul 01, 2020 at 01:53:14AM +1000, Jonathan Gray wrote: > cherryview/braswell still had trouble even after recent port of drm from > linux 5.7. > > I can run X on -current with < gen8 style rings. > > Index: dev/pci/drm/i915/i915_pci.c > =================================================================== > RCS file: /cvs/src/sys/dev/pci/drm/i915/i915_pci.c,v > retrieving revision 1.3 > diff -u -p -r1.3 i915_pci.c > --- dev/pci/drm/i915/i915_pci.c 8 Jun 2020 04:48:11 -0000 1.3 > +++ dev/pci/drm/i915/i915_pci.c 30 Jun 2020 15:37:20 -0000 > @@ -588,7 +588,7 @@ static const struct intel_device_info ch > .has_runtime_pm = 1, > .has_rc6 = 1, > .has_rps = true, > - .has_logical_ring_contexts = 1, > + .has_logical_ring_contexts = 0, > .display.has_gmch = 1, > .ppgtt_type = INTEL_PPGTT_ALIASING, > .ppgtt_size = 32, >
With this patch (and driver "intel" in /etc/X11/xorg.conf) my system works. Tested suspend/resume and normal browsing.
