Hi Chris,
On Fri, Dec 13, 2019 at 10:31:40PM +0000, Chris Wilson wrote:
> Wait for the object to be idle before changing its cache-level and
> unbinding. This was dropped as supposedly superfluous from commit
> 8b1c78e06e61 ("drm/i915: Avoid calling i915_gem_object_unbind holding
> object lock"), but it turns out to prevent some cache dirt escaping.
> Smells like papering over a race...
>
> Closes: https://gitlab.freedesktop.org/drm/intel/issues/820
> Fixes: 8b1c78e06e61 ("drm/i915: Avoid calling i915_gem_object_unbind holding
> object lock")
> Signed-off-by: Chris Wilson <[email protected]>
> Cc: Andi Shyti <[email protected]>
Acked-by: Andi Shyti <[email protected]>
Thanks,
Andi
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