> From: Wang, Zhi A
> Sent: Wednesday, February 24, 2016 5:19 PM
> 
> Hi Kevin:
>       Now our context switch is covered by context status change notification 
> handler. In the
> status change handler we will save render registers. As GVT context will be a 
> single
> submission context we will restore the render registers when the GVT context 
> is
> scheduled-out by HW.

Thanks for explanation. It's fine then.

> 
> > -----Original Message-----
> > From: Tian, Kevin
> > Sent: Wednesday, February 24, 2016 4:56 PM
> > To: Wang, Zhi A; intel-gfx@lists.freedesktop.org; igv...@lists.01.org
> > Cc: Lv, Zhiyuan; Niu, Bing; Song, Jike; daniel.vet...@ffwll.ch; 
> > Cowperthwaite,
> > David J; ch...@chris-wilson.co.uk; joonas.lahti...@linux.intel.com
> > Subject: RE: [RFCv2 PATCH 00/14] gvt: Hacking i915 for GVT context
> > requirement
> >
> > > From: Wang, Zhi A
> > > Sent: Thursday, February 18, 2016 7:42 PM
> > >
> > > This patchset is used to discuss and finalize the i915 changes
> > > required by GVT context. Previously we have discussed about how to
> > > hack i915 to meet GVT context requirement, and thanks for the idea and
> > comments.
> > >
> > > In this patchset, mostly it refactors the existing i915 APIs, spliting
> > > the hard-coded assumptions from its core logic, keep these assumptions
> > > in the high level wrapper and make the core logic much more flexible
> > > and config- urable, which is able to be used by GVT context creation and
> > submission.
> >
> > It would be good to note that this patch series is not the only change 
> > required
> > for GVT context management. It addresses creation/submission. We also need
> > some specific change in context switch time. Do you want to include them
> > together in next version to compose a full picture?
> >
> > Thanks
> > Kevin
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