[PATCH 0/3] mmio save restore refine in vgpu switch

[Du, Changbin]

Weinan, this need rebase now.

On Mon, Dec 11, 2017 at 11:07:27AM +0800, Weinan Li wrote:
> Merge switch_mmio_to_vgpu and switch_mmio_to_host, use delta update for
> mocs save restore, deal host mocs value as fixed, it won't be changed after
> initialization. These can save vgpu switch time to reduce CPU utilization
> and improve GPU performance in GVT-g with multi-VMs.
> 
> Weinan Li (3):
>   drm/i915/gvt: optimize for vGPU mmio switch
>   drm/i915/gvt: refine mocs save restore policy
>   drm/i915/gvt: load host render mocs once in mocs switch
> 
>  drivers/gpu/drm/i915/gvt/cmd_parser.c |  19 +++
>  drivers/gpu/drm/i915/gvt/render.c     | 252 +++++++++++++++++-----------------
>  drivers/gpu/drm/i915/gvt/trace.h      |  15 +-
>  3 files changed, 152 insertions(+), 134 deletions(-)
> 
> -- 
> 1.9.1
> 
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-- 
Thanks,
Changbin Du