Backport another Broadwell fix from Linux 3.15
authorkettenis <kettenis@openbsd.org>
Sun, 18 Oct 2015 18:00:45 +0000 (18:00 +0000)
committerkettenis <kettenis@openbsd.org>
Sun, 18 Oct 2015 18:00:45 +0000 (18:00 +0000)
commit114eafaa6aa4e9cde5e92abfe4beb37584b7096d
treecb0be203b25249461ffbfef1c43713d9b63f07d2
parentc3b14b2d48e1c3d6f4e1f97232593775ab416133
Backport another Broadwell fix from Linux 3.15

Ben Widawsky
drm/i915: Provide PDP updates via MMIO
e178f7057b81c87a7ceaae0ca204487b6f7eedcf

Doesn't make resume work, but at least it prevents the machine from hanging
and/or resetting.
sys/dev/pci/drm/i915/i915_gem_gtt.c