[Intel-gfx] [PATCH i-g-t 2/3] lib/igt_dummyload: Clarify batch mapping

[Chris Wilson]

Quoting Mika Kuoppala (2019-04-23 15:00:37)
> Use spin->condition to mark the spot we have
> saved for manipulating the looping condition.

... to make the batch variable available for later reuse as a pointer to
the object instead.

Tell use why! Then tell us how you went about to accomplish that goal
and what problems had to be resolved en route.

> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris