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With the upcoming change in timing (dramatically reducing the latency between manipulating the ppGTT and execution), no amount of tweaking could save Baytrail, it would always fail to invalidate its TLB. Ville was right, Baytrail is beyond hope. v2: Rollback on all gen7; same timing instability on TLB invalidation. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190830180000.24608-1-chris@chris-wilson.co.uk |
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