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path: root/drivers/gpu/drm/i915/selftests/i915_active.c
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Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_active.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_active.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_active.c b/drivers/gpu/drm/i915/selftests/i915_active.c
index 260b0ee5d1e3..ef572a0c2566 100644
--- a/drivers/gpu/drm/i915/selftests/i915_active.c
+++ b/drivers/gpu/drm/i915/selftests/i915_active.c
@@ -99,7 +99,7 @@ __live_active_setup(struct drm_i915_private *i915)
for_each_uabi_engine(engine, i915) {
struct i915_request *rq;
- rq = i915_request_create(engine->kernel_context);
+ rq = intel_engine_create_kernel_request(engine);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
break;
@@ -155,7 +155,11 @@ static int live_active_wait(void *arg)
i915_active_wait(&active->base);
if (!READ_ONCE(active->retired)) {
+ struct drm_printer p = drm_err_printer(__func__);
+
pr_err("i915_active not retired after waiting!\n");
+ i915_active_print(&active->base, &p);
+
err = -EINVAL;
}
@@ -184,7 +188,11 @@ static int live_active_retire(void *arg)
err = -EIO;
if (!READ_ONCE(active->retired)) {
+ struct drm_printer p = drm_err_printer(__func__);
+
pr_err("i915_active not retired after flushing!\n");
+ i915_active_print(&active->base, &p);
+
err = -EINVAL;
}
@@ -250,3 +258,36 @@ void i915_active_print(struct i915_active *ref, struct drm_printer *m)
i915_active_release(ref);
}
}
+
+static void spin_unlock_wait(spinlock_t *lock)
+{
+ spin_lock_irq(lock);
+ spin_unlock_irq(lock);
+}
+
+void i915_active_unlock_wait(struct i915_active *ref)
+{
+ if (i915_active_acquire_if_busy(ref)) {
+ struct active_node *it, *n;
+
+ rcu_read_lock();
+ rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) {
+ struct dma_fence *f;
+
+ /* Wait for all active callbacks */
+ f = rcu_dereference(it->base.fence);
+ if (f)
+ spin_unlock_wait(f->lock);
+ }
+ rcu_read_unlock();
+
+ i915_active_release(ref);
+ }
+
+ /* And wait for the retire callback */
+ spin_lock_irq(&ref->tree_lock);
+ spin_unlock_irq(&ref->tree_lock);
+
+ /* ... which may have been on a thread instead */
+ flush_work(&ref->work);
+}