drm/i915/gvt: Fix gvt scheduler interval time
PATCH 1/1 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.
--- drivers/gpu/drm/i915/gvt/sched_policy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
drivers/gpu/drm/i915/gvt/sched_policy.c +2 -2
@@ -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)
Signature · 1 line
2.11.0
Quoted 11 lines
-----Original Message-----
From: intel-gvt-dev [mailto:[email protected]] On Behalf Of Zhenyu Wang
Sent: Friday, March 17, 2017 12:19 PM
To: [email protected]
Cc: [email protected]; #@freedesktop.org; [email protected]; Wang, Zhi A <[email protected]>
Subject: [PATCH] drm/i915/gvt: Fix gvt scheduler interval time
Quoted 7 lines
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 <[email protected]>Cc [email protected] # v4.10+Signed-off-by Zhenyu Wang <[email protected]>
Quoted 33 lines
--- drivers/gpu/drm/i915/gvt/sched_policy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)drivers/gpu/drm/i915/gvt/sched_policy.c +1
-1@@ -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)drivers/gpu/drm/i915/gvt/sched_policy.c +1
-2return ;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
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