[Intel-gfx] [PATCH 4/6] drm/i915/gt: Ignore stale context state upon resume

[Chris Wilson]

Quoting Chris Wilson (2019-12-30 16:01:10)
> We leave the kernel_context on the HW as we suspend (and while idle).
> There is no guarantee that is complete in memory, so we try to inhibit
> restoration from the kernel_context. Reinforce the inhibition by
> scrubbing the context.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
-Chris