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9c27462c89
Check the logical ring context by asserting that the registers hold expected start during execution. (It's a bit chicken-and-egg for how could we manage to execute our request if the registers were not being updated. Still, it's nice to verify that the HW is working as expected.) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191014090757.32111-6-chris@chris-wilson.co.uk