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drm/i915: Replace struct_mutex for batch pool serialisation

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Switch to tracking activity via i915_active on individual nodes, only
keeping a list of retired objects in the cache, and reaping the cache
when the engine itself idles.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190804124826.30272-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-08-04 13:48:26 +01:00
commit b40d73784f
16 changed files with 289 additions and 265 deletions
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