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Chris Wilson authored
We include a tasklet flush before waiting on a request as a precaution against the HW being lax in event signaling. We now have a precautionary flush in the engine's heartbeat and so do not need to be quite so zealous on every request wait. If we focus on the request, the only tasklet flush that matters is if there is a delay in submitting this request to HW, so if the request is not ready to be executed, no advantage in reducing this wait can be gained by running the tasklet. And there is little point in doing busy work for no result. Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200715115147.11866-10-chris@chris-wilson.co.ukSigned-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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