mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-03-11 23:27:42 +07:00
fe3288b5da
The signal threads may be running concurrently with the GPU reset. The completion from the GPU run asynchronous with the reset and two threads may see different snapshots of the state, and the signaler may mark a request as complete as we try to reset it. We don't tolerate 2 different views of the same state and complain if we try to mark a request as failed if it is already complete. Disable the signal threads during reset to prevent this conflict (even though the conflict implies that the state we resetting to is invalid, we have already made our decision!). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99733 References: https://bugs.freedesktop.org/show_bug.cgi?id=99671 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170212172002.23072-4-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> |
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