> -----Original Message----- > From: intel-gvt-dev [mailto:intel-gvt-dev-bounces@xxxxxxxxxxxxxxxxxxxxx] On > Behalf Of Zhenyu Wang > Sent: Friday, March 17, 2017 12:19 PM > To: intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx > Cc: v4.10+@xxxxxxxxxxxxxxx; #@freedesktop.org; stable@xxxxxxxxxxxxxxx; > Wang, Zhi A <zhi.a.wang@xxxxxxxxx> > Subject: [PATCH] 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: 4b63960ebd3f ("drm/i915/gvt: vGPU schedule policy framework") > Cc: Zhi Wang <zhi.a.wang@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx # v4.10+ > Signed-off-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx> Acked-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx> > --- > drivers/gpu/drm/i915/gvt/sched_policy.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c > b/drivers/gpu/drm/i915/gvt/sched_policy.c > index 06c9584ac5f0..34b9acdf3479 100644 > --- a/drivers/gpu/drm/i915/gvt/sched_policy.c > +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c > @@ -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) > -- > 2.11.0 > > _______________________________________________ > intel-gvt-dev mailing list > intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gvt-dev