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

Zhiyuan Lv
2015-08-20T08:18:45Z

Hi Jani,

On Thu, Aug 20, 2015 at 09:44:08AM +0300, Jani Nikula wrote:
> 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.

Thanks for the comments! I just re-sent the patchset, and these ones can be
ignored. Sorry for the inconvenience caused!

Regards,
-Zhiyuan

>
> 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
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Jani Nikula, Intel Open Source Technology Center