drm/i915/gvt: remove some debug messages in scheduler timer handler

As those debug messages might appear in every timer call for scheduler,
it's too noisy, eat too much log and aren't meaningful. So remove them.

Cc: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/sched_policy.c

@@ -133,9 +133,6 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt)
 	if (!scheduler->next_vgpu)
 		return;
 
-	gvt_dbg_sched("try to schedule next vgpu %d\n",
-			scheduler->next_vgpu->id);
-
 	/*
 	 * after the flag is set, workload dispatch thread will
 	 * stop dispatching workload for current vgpu
@@ -144,10 +141,8 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt)
 
 	/* still have uncompleted workload? */
 	for_each_engine(engine, gvt->dev_priv, i) {
-		if (scheduler->current_workload[i]) {
-			gvt_dbg_sched("still have running workload\n");
+		if (scheduler->current_workload[i])
 			return;
-		}
 	}
 
 	cur_time = ktime_get();

drivers/gpu/drm/i915/gvt/scheduler.c

@@ -274,11 +274,8 @@ static struct intel_vgpu_workload *pick_next_workload(
 		goto out;
 	}
 
-	if (list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) {
-		gvt_dbg_sched("ring id %d stop - no available workload\n",
-				ring_id);
+	if (list_empty(workload_q_head(scheduler->current_vgpu, ring_id)))
 		goto out;
-	}
 
 	/*
 	 * still have current workload, maybe the workload disptacher