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Commit 98039845 authored by Zhenyu Wang's avatar Zhenyu Wang
Browse files

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: default avatarZhi Wang <zhi.a.wang@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 0102d0d9

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

+2 −3
Original line number Diff line number Diff line
@@ -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;