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f1a498fa54
If we declare the driver wedged before the GPU truly is, then we may see the GPU complete some CS events following our cancellation. This leaves us quite confused as we deleted all the bookkeeping and thus complain about the inconsistent state. We can just ignore the remaining events and let the GPU idle by not feeding it, and so avoid trying to racily overwrite shared state. We rely on there being a full GPU reset before unwedging, giving us the opportunity to reset the shared state. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107188 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/20180716080332.32283-4-chris@chris-wilson.co.uk |
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