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Execute the batch concurrently on all rings and then wait (as opposed to
executing a different batch on each engine).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The sync test is supposed to complete in 10s. But some bugs cause it to
run very, very slowly. As a defence against those, terminate the test if
we wait for more than 20s.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Repeat the synchronisation test with a few competing processes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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An oft-repeated function to check EXECBUFFER2 for a particular fail
condition.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As we have the same function in a few places to read the
debugfs/i915_ring_missed_irq file, move it to the core.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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A very basic test of functionality, execute a nop and wait for it to
complete. It should be very effective at stimulating the "missed
interrupt syndrome" on all devices.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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