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09975b861a
Preempt-to-busy uses a GPU semaphore to enforce an idle-barrier across preemption, but mediated gvt does not fully support semaphores. v2: Fiddle around with the flags and settle on using has-semaphores for the core bits so that we retain the ability to preempt our own semaphores. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Xiaolin Zhang <xiaolin.zhang@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190709091233.8573-1-chris@chris-wilson.co.uk |
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