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drm/i915/guc: Keep request->priority for its lifetime 

We also want to support preemption with GuC submission backend.
In order to do that, we need to remember the priority, like we do on
execlists path.

v2: Remove completed prio == INT_MAX optimization

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171025200020.16636-10-michal.winiarski@intel.com
This commit is contained in:
Michał Winiarski 2017-10-25 22:00:17 +02:00 committed by Chris Wilson
parent 3b8a8a3006
commit fa87271e5b
1 changed files with 0 additions and 1 deletions
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1
drivers/gpu/drm/i915/i915_guc_submission.c
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@ -641,7 +641,6 @@ static void i915_guc_dequeue(struct intel_engine_cs *engine)
}
INIT_LIST_HEAD(&rq->priotree.link);
rq->priotree.priority = INT_MAX;
__i915_gem_request_submit(rq);
trace_i915_gem_request_in(rq, port_index(port, execlists));