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Since we no longer maintain our read position in the CSB pointers register, it always returns 0 and not where we last read up to. As a result the CSB probing in the state dumper starts from 0, either missing entries or showing stale one. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180821101138.15822-1-chris@chris-wilson.co.uk