[PATCH 1/2] drm/i915/gvt: Don't mark vgpu context as inactive when preempted

Zhenyu Wang zhenyuw at linux.intel.com
Fri Dec 1 06:59:53 UTC 2017


We shouldn't mark inactive for vGPU context if preempted,
which would still be re-scheduled later. So keep active state.

Fixes: d6c0511300dc ("drm/i915/execlists: Distinguish the incomplete context notifies")
Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
---
 drivers/gpu/drm/i915/gvt/scheduler.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 41bccbc20e45..c98669293e77 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -189,10 +189,12 @@ static int shadow_context_status_change(struct notifier_block *nb,
 		atomic_set(&workload->shadow_ctx_active, 1);
 		break;
 	case INTEL_CONTEXT_SCHEDULE_OUT:
-	case INTEL_CONTEXT_SCHEDULE_PREEMPTED:
 		save_ring_hw_state(workload->vgpu, ring_id);
 		atomic_set(&workload->shadow_ctx_active, 0);
 		break;
+	case INTEL_CONTEXT_SCHEDULE_PREEMPTED:
+		save_ring_hw_state(workload->vgpu, ring_id);
+		break;
 	default:
 		WARN_ON(1);
 		return NOTIFY_OK;
-- 
2.15.1



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