[Intel-gfx] [PATCH 2/2] drm/i915/gt: Remove local entries from GGTT on suspend

Matthew Auld matthew.william.auld at gmail.com
Thu May 28 15:15:47 UTC 2020

On Thu, 28 May 2020 at 09:24, Chris Wilson <chris at chris-wilson.co.uk> 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 <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>

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