[Intel-gfx] [PATCH] drm/i915/gt: Clear LOCAL_BIND from shared GGTT on resume

Matthew Auld matthew.william.auld at gmail.com
Wed May 27 09:42:46 UTC 2020

On Tue, 26 May 2020 at 16:07, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> We only restore GLOBAL binds upon resume as we expect these to be pinned
> for use by HW, whereas the LOCAL binds can be recreated on demand once
> userspace is resumed. For the LOCAL bind to be recreated in the global
> GTT, we need to clear its presence flag on deciding not to restore the
> mapping upon resume.
> Fixes: bf0840cdb304 ("drm/i915/gt: Stop cross-polluting PIN_GLOBAL with PIN_USER with no-ppgtt")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>

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