From 6616339bc0804e20b5b8b0996961aecf70ac9539 Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Fri, 17 Mar 2017 12:11:20 +0800 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: c37b891a6965 ("drm/i915/gvt: vGPU schedule policy framework") Cc: Zhi Wang Cc: stable@vger.kernel.org # v4.10+ Acked-by: Chuanxiao Dong Signed-off-by: Zhenyu Wang --- 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 06c9584ac5f03..34b9acdf34791 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) -- 2.39.5