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Chris Wilson authored
If we try to wait on an i915_active from within a critical section, it will remain busy (such as if we are shrinking from within i915_active_ref). Report the failure so that we do not proceed thinking it is idle. Extracted from a future patch "drm/i915: Coordinate i915_active with its own mutex". Fixes: 12c255b5 ("drm/i915: Provide an i915_active.acquire callback") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190702092117.1707-1-chris@chris-wilson.co.uk
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