diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_active.c')
-rw-r--r-- | drivers/gpu/drm/i915/selftests/i915_active.c | 43 |
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); +} |