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Chris Wilson authored
igt_require_gem() checks whether we can use the i915 fd for submitting requests by detecting a wedged driver. It was intended to be used just after opening DRIVER_INTEL for a gem test to provide an early skip if the device was unusable. However, it is also used at the start of library functions like igt_spin_batch_new() which may be called after the test has setup some state, and importantly submitted some batches. igt_require_gem() has the risk of then waiting on those batches, unless we tell it to use a clean fd. v2: Chase the /proc/self/fd/$fd link Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
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