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authorDave Airlie <airlied@redhat.com>2017-05-30 15:54:15 +1000
committerDave Airlie <airlied@redhat.com>2017-05-30 15:54:15 +1000
commit2a1720376adda5ecf8e636fbfb05339c7dad1c55 (patch)
treecdb76abac82306516aa556d9e9ddb15571f07517 /drivers/gpu/drm/i915/gvt/sched_policy.c
parenta82256bc026722800d1fdeca5521f1ba487bc2ef (diff)
parent5ed02dbb497422bf225783f46e6eadd237d23d6b (diff)
downloadblackbird-obmc-linux-2a1720376adda5ecf8e636fbfb05339c7dad1c55.tar.gz
blackbird-obmc-linux-2a1720376adda5ecf8e636fbfb05339c7dad1c55.zip
Backmerge tag 'v4.12-rc3' into drm-next
Linux 4.12-rc3 Daniel has requested this for some drm-intel-next work.
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/sched_policy.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/sched_policy.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c
index 79ba4b3440aa..f25ff133865f 100644
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -129,9 +129,13 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt)
struct vgpu_sched_data *vgpu_data;
ktime_t cur_time;
- /* no target to schedule */
- if (!scheduler->next_vgpu)
+ /* no need to schedule if next_vgpu is the same with current_vgpu,
+ * let scheduler chose next_vgpu again by setting it to NULL.
+ */
+ if (scheduler->next_vgpu == scheduler->current_vgpu) {
+ scheduler->next_vgpu = NULL;
return;
+ }
/*
* after the flag is set, workload dispatch thread will
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