diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_evict.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_evict.c | 132 |
1 files changed, 69 insertions, 63 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index d8ae7d1..3d39005 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -32,28 +32,36 @@ #include "i915_drm.h" static bool -mark_free(struct drm_i915_gem_object *obj_priv, - struct list_head *unwind) +mark_free(struct drm_i915_gem_object *obj, struct list_head *unwind) { - list_add(&obj_priv->evict_list, unwind); - drm_gem_object_reference(&obj_priv->base); - return drm_mm_scan_add_block(obj_priv->gtt_space); + list_add(&obj->exec_list, unwind); + drm_gem_object_reference(&obj->base); + return drm_mm_scan_add_block(obj->gtt_space); } int -i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignment) +i915_gem_evict_something(struct drm_device *dev, int min_size, + unsigned alignment, bool mappable) { drm_i915_private_t *dev_priv = dev->dev_private; struct list_head eviction_list, unwind_list; - struct drm_i915_gem_object *obj_priv; + struct drm_i915_gem_object *obj; int ret = 0; i915_gem_retire_requests(dev); /* Re-check for free space after retiring requests */ - if (drm_mm_search_free(&dev_priv->mm.gtt_space, - min_size, alignment, 0)) - return 0; + if (mappable) { + if (drm_mm_search_free_in_range(&dev_priv->mm.gtt_space, + min_size, alignment, 0, + dev_priv->mm.gtt_mappable_end, + 0)) + return 0; + } else { + if (drm_mm_search_free(&dev_priv->mm.gtt_space, + min_size, alignment, 0)) + return 0; + } /* * The goal is to evict objects and amalgamate space in LRU order. @@ -79,45 +87,56 @@ i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignmen */ INIT_LIST_HEAD(&unwind_list); - drm_mm_init_scan(&dev_priv->mm.gtt_space, min_size, alignment); + if (mappable) + drm_mm_init_scan_with_range(&dev_priv->mm.gtt_space, min_size, + alignment, 0, + dev_priv->mm.gtt_mappable_end); + else + drm_mm_init_scan(&dev_priv->mm.gtt_space, min_size, alignment); /* First see if there is a large enough contiguous idle region... */ - list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, mm_list) { - if (mark_free(obj_priv, &unwind_list)) + list_for_each_entry(obj, &dev_priv->mm.inactive_list, mm_list) { + if (mark_free(obj, &unwind_list)) goto found; } /* Now merge in the soon-to-be-expired objects... */ - list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) { + list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) { /* Does the object require an outstanding flush? */ - if (obj_priv->base.write_domain || obj_priv->pin_count) + if (obj->base.write_domain || obj->pin_count) continue; - if (mark_free(obj_priv, &unwind_list)) + if (mark_free(obj, &unwind_list)) goto found; } /* Finally add anything with a pending flush (in order of retirement) */ - list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, mm_list) { - if (obj_priv->pin_count) + list_for_each_entry(obj, &dev_priv->mm.flushing_list, mm_list) { + if (obj->pin_count) continue; - if (mark_free(obj_priv, &unwind_list)) + if (mark_free(obj, &unwind_list)) goto found; } - list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) { - if (! obj_priv->base.write_domain || obj_priv->pin_count) + list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) { + if (! obj->base.write_domain || obj->pin_count) continue; - if (mark_free(obj_priv, &unwind_list)) + if (mark_free(obj, &unwind_list)) goto found; } /* Nothing found, clean up and bail out! */ - list_for_each_entry(obj_priv, &unwind_list, evict_list) { - ret = drm_mm_scan_remove_block(obj_priv->gtt_space); + while (!list_empty(&unwind_list)) { + obj = list_first_entry(&unwind_list, + struct drm_i915_gem_object, + exec_list); + + ret = drm_mm_scan_remove_block(obj->gtt_space); BUG_ON(ret); - drm_gem_object_unreference(&obj_priv->base); + + list_del_init(&obj->exec_list); + drm_gem_object_unreference(&obj->base); } /* We expect the caller to unpin, evict all and try again, or give up. @@ -131,33 +150,34 @@ found: * temporary list. */ INIT_LIST_HEAD(&eviction_list); while (!list_empty(&unwind_list)) { - obj_priv = list_first_entry(&unwind_list, - struct drm_i915_gem_object, - evict_list); - if (drm_mm_scan_remove_block(obj_priv->gtt_space)) { - list_move(&obj_priv->evict_list, &eviction_list); + obj = list_first_entry(&unwind_list, + struct drm_i915_gem_object, + exec_list); + if (drm_mm_scan_remove_block(obj->gtt_space)) { + list_move(&obj->exec_list, &eviction_list); continue; } - list_del(&obj_priv->evict_list); - drm_gem_object_unreference(&obj_priv->base); + list_del_init(&obj->exec_list); + drm_gem_object_unreference(&obj->base); } /* Unbinding will emit any required flushes */ while (!list_empty(&eviction_list)) { - obj_priv = list_first_entry(&eviction_list, - struct drm_i915_gem_object, - evict_list); + obj = list_first_entry(&eviction_list, + struct drm_i915_gem_object, + exec_list); if (ret == 0) - ret = i915_gem_object_unbind(&obj_priv->base); - list_del(&obj_priv->evict_list); - drm_gem_object_unreference(&obj_priv->base); + ret = i915_gem_object_unbind(obj); + + list_del_init(&obj->exec_list); + drm_gem_object_unreference(&obj->base); } return ret; } int -i915_gem_evict_everything(struct drm_device *dev) +i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only) { drm_i915_private_t *dev_priv = dev->dev_private; int ret; @@ -176,36 +196,22 @@ i915_gem_evict_everything(struct drm_device *dev) BUG_ON(!list_empty(&dev_priv->mm.flushing_list)); - ret = i915_gem_evict_inactive(dev); - if (ret) - return ret; - - lists_empty = (list_empty(&dev_priv->mm.inactive_list) && - list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->mm.active_list)); - BUG_ON(!lists_empty); - - return 0; + return i915_gem_evict_inactive(dev, purgeable_only); } /** Unbinds all inactive objects. */ int -i915_gem_evict_inactive(struct drm_device *dev) +i915_gem_evict_inactive(struct drm_device *dev, bool purgeable_only) { drm_i915_private_t *dev_priv = dev->dev_private; - - while (!list_empty(&dev_priv->mm.inactive_list)) { - struct drm_gem_object *obj; - int ret; - - obj = &list_first_entry(&dev_priv->mm.inactive_list, - struct drm_i915_gem_object, - mm_list)->base; - - ret = i915_gem_object_unbind(obj); - if (ret != 0) { - DRM_ERROR("Error unbinding object: %d\n", ret); - return ret; + struct drm_i915_gem_object *obj, *next; + + list_for_each_entry_safe(obj, next, + &dev_priv->mm.inactive_list, mm_list) { + if (!purgeable_only || obj->madv != I915_MADV_WILLNEED) { + int ret = i915_gem_object_unbind(obj); + if (ret) + return ret; } } |