On Thu, 28 May 2020 at 09:24, Chris Wilson <[email protected]> wrote:
>
> Across suspend/resume, we clear the entire GGTT and rebuild from
> scratch. In particular, we only preserve the global entries for use by
> the HW, and delay reinstating the local binds until required by the
> user. This means that we can evict and recover any local binds in the
> global GTT, saving any time in preserving their state.
>
> References: https://gitlab.freedesktop.org/drm/intel/-/issues/1947
> Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
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