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drm/i915/scheduler: Signal the arrival of a new request

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The start of the scheduler, add a hook into request submission for the
scheduler to see the arrival of new requests and prepare its runqueues.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114204105.29171-6-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2016-11-14 20:41:01 +00:00
parent 663f71e73f
commit 0de9136dbb
5 changed files with 34 additions and 0 deletions
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9
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -267,6 +267,15 @@ struct intel_engine_cs {
*/
void (*submit_request)(struct drm_i915_gem_request *req);
/* Call when the priority on a request has changed and it and its
* dependencies may need rescheduling. Note the request itself may
* not be ready to run!
*
* Called under the struct_mutex.
*/
void (*schedule)(struct drm_i915_gem_request *request,
int priority);
/* Some chipsets are not quite as coherent as advertised and need
* an expensive kick to force a true read of the up-to-date seqno.
* However, the up-to-date seqno is not always required and the last