[PATCH v4 0/3] drm/i915/gvt: optimizaton on shadow context population

[Zhenyu Wang]

On 2020.04.15 03:53:55 -0400, Yan Zhao wrote:
> This patchset skips population of shadow contexts if their corresponding
> guest contexts are known not changed.
> 
> patch 1 implements the skipping logic, though intentionally disabled the
> skip.
> patch 2 checks ggtt entry to verify guest contexts are not changed.
> patch 3 turns on the skipping logic
> 
> Yan Zhao (3):
>   drm/i915/gvt: skip populate shadow context if guest context not
>     changed
>   drm/i915/gvt: check ggtt entry modification status for guest ctxs
>   drm/i915/gvt: turn on shadow context skipping
> 
>  drivers/gpu/drm/i915/gvt/gtt.c       | 17 ++++++++++++++
>  drivers/gpu/drm/i915/gvt/gvt.h       |  5 ++++
>  drivers/gpu/drm/i915/gvt/scheduler.c | 35 ++++++++++++++++++++++++----
>  3 files changed, 52 insertions(+), 5 deletions(-)
> 

The patch order looks strange to me... either order it as 1) new track
struct; 2) ggtt update track; 3) actual optimization or just in one patch.

-- 
Open Source Technology Center, Intel ltd.

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