Re: [PATCH 0/7] drm/intel: guest i915 changes for Broadwell to run inside VM with Intel GVT-g

Jani Nikula
2015-08-20T06:41:08Z

On Thu, 20 Aug 2015, Zhiyuan Lv <zhiyuan.lv@intel.com> wrote:
> I915 kernel driver can now work inside a virtual machine on Haswell
> with Intel GVT-g. In order to do the same thing on Broadwell, there
> are some extra changes needed. The two main things are to support the
> more complicated PPGTT page table structure and EXECLIST contexts.
> GVT-g will perform shadow PPGTT and shadow context, which requires
> guest driver to explicitly notify host device model the life cycle of
> PPGTT and EXECLIST contexts.
>
> The first and the forth patches added some restrictions to drivers in
> virtualization scenario to make the shadow work easier. The first
> patch is based on Mika's earlier one, but we use it for vgpu only.
> The sixth patch is the implementation of the notification for
> shadowing.

Please send your patches with git send-email, or otherwise ensure the
patches are in-reply-to the cover letter to keep review in one thread.

BR,
Jani.

>
> Zhiyuan Lv (7):
> drm/i915: preallocate pdps for 32 bit vgpu
> drm/i915: Enable full ppgtt for vgpu
> drm/i915: Always enable execlists on BDW for vgpu
> drm/i915: always pin lrc context for vgpu with Intel GVT-g
> drm/i915: Update PV INFO page definition for Intel GVT-g
> drm/i915: guest i915 notification for Intel-GVTg
> drm/i915: Allow Broadwell guest with Intel GVT-g
>
> drivers/gpu/drm/i915/i915_gem_gtt.c | 77 +++++++++++++++++++++++++++++++++++--
> drivers/gpu/drm/i915/i915_vgpu.c | 2 +-
> drivers/gpu/drm/i915/i915_vgpu.h | 34 +++++++++++++++-
> drivers/gpu/drm/i915/intel_lrc.c | 44 ++++++++++++++++++---
> 4 files changed, 145 insertions(+), 12 deletions(-)
>
> --
> 1.9.1
>
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--
Jani Nikula, Intel Open Source Technology Center