tree 0cafd2416403847bdf98f3ec9762f07fd47eaa15
parent 5de6bd4c23babc6a00fcd7dc7c90705c9d0ec69e
author Chuanxiao Dong <chuanxiao.dong@intel.com> 1486611481 +0800
committer Zhenyu Wang <zhenyuw@linux.intel.com> 1486621034 +0800

drm/i915/gvt: map pfn for PTE entry in kvm

When host i915 iommu enabled, gvt needs to use a mapped pfn in PTE entry
So before kvm returns the pfn, map this pfn and return the mapped address
which is so called iova.

Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>