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Commit 2958b901 authored by Zhenyu Wang's avatar Zhenyu Wang
Browse files

drm/i915/gvt: Fix gvt scheduler interval time 



Fix to correctly assign 1ms for gvt scheduler interval time,
as previous code using HZ is pretty broken. And use no delay
for start gvt scheduler function.

Fixes: 4b63960e ("drm/i915/gvt: vGPU schedule policy framework")
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: stable@vger.kernel.org # v4.10+
Acked-by: default avatarChuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 3cd23b82

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

+2 −2
Original line number Diff line number Diff line
@@ -101,7 +101,7 @@ struct tbs_sched_data { 
	struct list_head runq_head;

};



#define GVT_DEFAULT_TIME_SLICE (1 * HZ / 1000)

#define GVT_DEFAULT_TIME_SLICE (msecs_to_jiffies(1))



static void tbs_sched_func(struct work_struct *work)

{
@@ -223,7 +223,7 @@ static void tbs_sched_start_schedule(struct intel_vgpu *vgpu) 
		return;



	list_add_tail(&vgpu_data->list, &sched_data->runq_head);

	schedule_delayed_work(&sched_data->work, sched_data->period);

	schedule_delayed_work(&sched_data->work, 0);

}



static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu)