diff options
| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-02-22 10:16:13 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-03-06 08:19:24 +0300 |
| commit | 9803984581de2b09290338687a3d21a7cd16685b (patch) | |
| tree | 16886bf4286f4c8bb095d1b1472d1f22849238f5 /drivers/gpu/drm/i915/gvt/sched_policy.c | |
| parent | 0102d0d9227ae7412e3419973c8cefa69369a9a7 (diff) | |
| download | linux-9803984581de2b09290338687a3d21a7cd16685b.tar.xz | |
drm/i915/gvt: Fix vGPU sched timeslice calculation warning
Fix below warning by using proper ktime helper to calculate timeslice.
CHECK drivers/gpu/drm/i915//gvt/sched_policy.c
drivers/gpu/drm/i915//gvt/sched_policy.c:108 gvt_balance_timeslice() debug: sval_binop_signed: invalid divide LLONG_MIN/-1
drivers/gpu/drm/i915//gvt/sched_policy.c:108 gvt_balance_timeslice() debug: sval_binop_signed: invalid divide LLONG_MIN/-1
Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/sched_policy.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/sched_policy.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c index cc1ce361cd76..75b7bc7b344c 100644 --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -103,9 +103,8 @@ static void gvt_balance_timeslice(struct gvt_sched_data *sched_data) list_for_each(pos, &sched_data->lru_runq_head) { vgpu_data = container_of(pos, struct vgpu_sched_data, lru_list); - fair_timeslice = ms_to_ktime(GVT_TS_BALANCE_PERIOD_MS) * - vgpu_data->sched_ctl.weight / - total_weight; + fair_timeslice = ktime_divns(ms_to_ktime(GVT_TS_BALANCE_PERIOD_MS), + total_weight) * vgpu_data->sched_ctl.weight; vgpu_data->allocated_ts = fair_timeslice; vgpu_data->left_ts = vgpu_data->allocated_ts; |