diff options
| -rw-r--r-- | linux-core/i915_gem.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index 115f8e75..b114192d 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -805,7 +805,7 @@ i915_gem_evict_something(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; - int ret; + int ret = 0; for (;;) { /* If there's an inactive buffer available now, grab it @@ -817,6 +817,13 @@ i915_gem_evict_something(struct drm_device *dev) list); obj = obj_priv->obj; BUG_ON(obj_priv->pin_count != 0); +#if WATCH_LRU + DRM_INFO("%s: evicting %p\n", __func__, obj); +#endif + BUG_ON(obj_priv->active); + + /* Wait on the rendering and unbind the buffer. */ + ret = i915_gem_object_unbind(obj); break; } @@ -826,17 +833,21 @@ i915_gem_evict_something(struct drm_device *dev) */ if (!list_empty(&dev_priv->mm.request_list)) { struct drm_i915_gem_request *request; - int ret; request = list_first_entry(&dev_priv->mm.request_list, struct drm_i915_gem_request, list); ret = i915_wait_request(dev, request->seqno); - if (ret != 0) - return ret; - - continue; + + /* if waiting caused an object to become inactive, + * then loop around and wait for it. Otherwise, we + * assume that waiting freed and unbound something, + * so there should now be some space in the GTT + */ + if (!list_empty(&dev_priv->mm.inactive_list)) + continue; + break; } /* If we didn't have anything on the request list but there @@ -859,21 +870,15 @@ i915_gem_evict_something(struct drm_device *dev) continue; } + DRM_ERROR("inactive empty %d request empty %d flushing empty %d\n", + list_empty(&dev_priv->mm.inactive_list), + list_empty(&dev_priv->mm.request_list), + list_empty(&dev_priv->mm.flushing_list)); /* If we didn't do any of the above, there's nothing to be done * and we just can't fit it in. */ return -ENOMEM; } - -#if WATCH_LRU - DRM_INFO("%s: evicting %p\n", __func__, obj); -#endif - - BUG_ON(obj_priv->active); - - /* Wait on the rendering and unbind the buffer. */ - ret = i915_gem_object_unbind(obj); - return ret; } @@ -959,7 +964,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) ret = i915_gem_evict_something(dev); if (ret != 0) { - DRM_ERROR("Failed to evict a buffer\n"); + DRM_ERROR("Failed to evict a buffer %d\n", ret); return ret; } goto search_free; |