drm/i915/guc: Kick tasklet after queuing a request

Kick tasklet after queuing a request so it submitted in a timely manner.

Fixes: 3a4cdf19 ("drm/i915/guc: Implement GuC context operations for new inteface")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210909164744.31249-9-matthew.brost@intel.com

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

@@ -1049,6 +1049,7 @@ static inline void queue_request(struct i915_sched_engine *sched_engine,
 	list_add_tail(&rq->sched.link,
 		      i915_sched_lookup_priolist(sched_engine, prio));
 	set_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
+	tasklet_hi_schedule(&sched_engine->tasklet);
 }
 
 static int guc_bypass_tasklet_submit(struct intel_guc *guc,