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32 is too many for the likes of kbl, and in order to insert that many requests into the ring requires us to declare the first few hung -- understandably a slow and unexpected process. Instead, measure the size of a singe requests and use that to estimate the upper bound on the chain length we can use for our test, remembering to flush the previous chain between tests for safety. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: "Yokoyama, Caz" <caz.yokoyama@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190321194031.20240-1-chris@chris-wilson.co.uk |
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