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path: root/drivers/gpu/drm/i915/i915_active.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_active.h')
-rw-r--r--drivers/gpu/drm/i915/i915_active.h28
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_active.h b/drivers/gpu/drm/i915/i915_active.h
index 44859356ce97..b571f675c795 100644
--- a/drivers/gpu/drm/i915/i915_active.h
+++ b/drivers/gpu/drm/i915/i915_active.h
@@ -61,19 +61,15 @@ void i915_active_noop(struct dma_fence *fence, struct dma_fence_cb *cb);
*/
static inline void
__i915_active_fence_init(struct i915_active_fence *active,
- struct mutex *lock,
void *fence,
dma_fence_func_t fn)
{
RCU_INIT_POINTER(active->fence, fence);
active->cb.func = fn ?: i915_active_noop;
-#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
- active->lock = lock;
-#endif
}
-#define INIT_ACTIVE_FENCE(A, LOCK) \
- __i915_active_fence_init((A), (LOCK), NULL, NULL)
+#define INIT_ACTIVE_FENCE(A) \
+ __i915_active_fence_init((A), NULL, NULL)
struct dma_fence *
__i915_active_fence_set(struct i915_active_fence *active,
@@ -127,15 +123,6 @@ i915_active_fence_isset(const struct i915_active_fence *active)
return rcu_access_pointer(active->fence);
}
-static inline void
-i915_active_fence_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
-{
- struct i915_active_fence *active =
- container_of(cb, typeof(*active), cb);
-
- RCU_INIT_POINTER(active->fence, NULL);
-}
-
/*
* GPU activity tracking
*
@@ -165,11 +152,15 @@ i915_active_fence_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
void __i915_active_init(struct i915_active *ref,
int (*active)(struct i915_active *ref),
void (*retire)(struct i915_active *ref),
- struct lock_class_key *key);
+ struct lock_class_key *mkey,
+ struct lock_class_key *wkey);
+
+/* Specialise each class of i915_active to avoid impossible lockdep cycles. */
#define i915_active_init(ref, active, retire) do { \
- static struct lock_class_key __key; \
+ static struct lock_class_key __mkey; \
+ static struct lock_class_key __wkey; \
\
- __i915_active_init(ref, active, retire, &__key); \
+ __i915_active_init(ref, active, retire, &__mkey, &__wkey); \
} while (0)
int i915_active_ref(struct i915_active *ref,
@@ -215,5 +206,6 @@ void i915_active_acquire_barrier(struct i915_active *ref);
void i915_request_add_active_barriers(struct i915_request *rq);
void i915_active_print(struct i915_active *ref, struct drm_printer *m);
+void i915_active_unlock_wait(struct i915_active *ref);
#endif /* _I915_ACTIVE_H_ */