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drm/i915: Apply an execution_mask to the virtual_engine

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Allow the user to direct which physical engines of the virtual engine
they wish to execute one, as sometimes it is necessary to override the
load balancing algorithm.

v2: Only kick the virtual engines on context-out if required

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190521211134.16117-7-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-05-21 22:11:31 +01:00
parent 6d06779e86
commit 78e41ddd21
4 changed files with 202 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_request.c
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@@ -694,6 +694,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp)
rq->batch = NULL;
rq->capture_list = NULL;
rq->waitboost = false;
rq->execution_mask = ALL_ENGINES;
INIT_LIST_HEAD(&rq->active_list);
INIT_LIST_HEAD(&rq->execute_cb);