[Intel-gfx] [RFCv2 02/14] drm/i915/gvt: Introduce the basic architecture of GVT-g
joonas.lahtinen at linux.intel.com
Thu Feb 25 11:24:54 UTC 2016
On ke, 2016-02-24 at 07:45 +0000, Tian, Kevin wrote:
> > From: Joonas Lahtinen [mailto:joonas.lahtinen at linux.intel.com]
> > Sent: Tuesday, February 23, 2016 8:42 PM
> > Hi,
> > Code is looking a lot better.
> > A general question still; why you seem to be preferring multi-stage
> > alloc and destroy?
> One reason for multi-stage, IMO, is that GVT needs to do a snapshot
> of initial MMIO state before i915 driver does actual initialization. That
> snapshot will be presented to each VM which can then observe same
> state as it would observe on a bare metal. Then the majority of
> initialization needs to wait after i915 driver completes initialization.
> Zhi can correct me here.
Sorry for being unclear, I was referring to pgt_device initialization.
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