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path: root/drivers/gpu/drm/i915/gvt/scheduler.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/scheduler.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/scheduler.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 488fdea348a9..4f7057d62d88 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -174,15 +174,6 @@ static int shadow_context_status_change(struct notifier_block *nb,
atomic_set(&workload->shadow_ctx_active, 1);
break;
case INTEL_CONTEXT_SCHEDULE_OUT:
- /* If the status is -EINPROGRESS means this workload
- * doesn't meet any issue during dispatching so when
- * get the SCHEDULE_OUT set the status to be zero for
- * good. If the status is NOT -EINPROGRESS means there
- * is something wrong happened during dispatching and
- * the status should not be set to zero
- */
- if (workload->status == -EINPROGRESS)
- workload->status = 0;
atomic_set(&workload->shadow_ctx_active, 0);
break;
default:
@@ -427,6 +418,18 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
wait_event(workload->shadow_ctx_status_wq,
!atomic_read(&workload->shadow_ctx_active));
+ /* If this request caused GPU hang, req->fence.error will
+ * be set to -EIO. Use -EIO to set workload status so
+ * that when this request caused GPU hang, didn't trigger
+ * context switch interrupt to guest.
+ */
+ if (likely(workload->status == -EINPROGRESS)) {
+ if (workload->req->fence.error == -EIO)
+ workload->status = -EIO;
+ else
+ workload->status = 0;
+ }
+
i915_gem_request_put(fetch_and_zero(&workload->req));
if (!workload->status && !vgpu->resetting) {
@@ -464,8 +467,6 @@ struct workload_thread_param {
int ring_id;
};
-static DEFINE_MUTEX(scheduler_mutex);
-
static int workload_thread(void *priv)
{
struct workload_thread_param *p = (struct workload_thread_param *)priv;
@@ -497,8 +498,6 @@ static int workload_thread(void *priv)
if (!workload)
break;
- mutex_lock(&scheduler_mutex);
-
gvt_dbg_sched("ring id %d next workload %p vgpu %d\n",
workload->ring_id, workload,
workload->vgpu->id);
@@ -537,9 +536,6 @@ complete:
FORCEWAKE_ALL);
intel_runtime_pm_put(gvt->dev_priv);
-
- mutex_unlock(&scheduler_mutex);
-
}
return 0;
}