diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/i915/i915_active.c | 33 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_active.h | 4 |
2 files changed, 27 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 91950d778cab..b1fefe98f9a6 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -17,11 +17,28 @@ struct active_node { }; static void +__active_park(struct i915_active *ref) +{ + struct active_node *it, *n; + + rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) { + GEM_BUG_ON(i915_gem_active_isset(&it->base)); + kfree(it); + } + ref->tree = RB_ROOT; +} + +static void __active_retire(struct i915_active *ref) { GEM_BUG_ON(!ref->count); - if (!--ref->count) - ref->retire(ref); + if (--ref->count) + return; + + /* return the unused nodes to our slabcache */ + __active_park(ref); + + ref->retire(ref); } static void @@ -210,18 +227,14 @@ int i915_request_await_active(struct i915_request *rq, struct i915_active *ref) return 0; } +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) void i915_active_fini(struct i915_active *ref) { - struct active_node *it, *n; - GEM_BUG_ON(i915_gem_active_isset(&ref->last)); - - rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) { - GEM_BUG_ON(i915_gem_active_isset(&it->base)); - kfree(it); - } - ref->tree = RB_ROOT; + GEM_BUG_ON(!RB_EMPTY_ROOT(&ref->tree)); + GEM_BUG_ON(ref->count); } +#endif #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftests/i915_active.c" diff --git a/drivers/gpu/drm/i915/i915_active.h b/drivers/gpu/drm/i915/i915_active.h index 0aa2628ea734..ec4b66efd9a7 100644 --- a/drivers/gpu/drm/i915/i915_active.h +++ b/drivers/gpu/drm/i915/i915_active.h @@ -64,6 +64,10 @@ i915_active_is_idle(const struct i915_active *ref) return !ref->count; } +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) void i915_active_fini(struct i915_active *ref); +#else +static inline void i915_active_fini(struct i915_active *ref) { } +#endif #endif /* _I915_ACTIVE_H_ */ |