diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 58 |
1 files changed, 27 insertions, 31 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index da103c179e3..386677f8fd3 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -34,6 +34,7 @@ #include <linux/dma_remapping.h> struct eb_objects { + struct list_head objects; int and; struct hlist_head buckets[0]; }; @@ -53,6 +54,7 @@ eb_create(int size) return eb; eb->and = count - 1; + INIT_LIST_HEAD(&eb->objects); return eb; } @@ -73,8 +75,7 @@ static int eb_lookup_objects(struct eb_objects *eb, struct drm_i915_gem_exec_object2 *exec, int count, - struct drm_file *file, - struct list_head *objects) + struct drm_file *file) { int i; @@ -98,7 +99,7 @@ eb_lookup_objects(struct eb_objects *eb, } drm_gem_object_reference(&obj->base); - list_add_tail(&obj->exec_list, objects); + list_add_tail(&obj->exec_list, &eb->objects); obj->exec_handle = exec[i].handle; obj->exec_entry = &exec[i]; @@ -129,6 +130,15 @@ eb_get_object(struct eb_objects *eb, unsigned long handle) static void eb_destroy(struct eb_objects *eb) { + while (!list_empty(&eb->objects)) { + struct drm_i915_gem_object *obj; + + obj = list_first_entry(&eb->objects, + struct drm_i915_gem_object, + exec_list); + list_del_init(&obj->exec_list); + drm_gem_object_unreference(&obj->base); + } kfree(eb); } @@ -328,8 +338,7 @@ i915_gem_execbuffer_relocate_object_slow(struct drm_i915_gem_object *obj, static int i915_gem_execbuffer_relocate(struct drm_device *dev, - struct eb_objects *eb, - struct list_head *objects) + struct eb_objects *eb) { struct drm_i915_gem_object *obj; int ret = 0; @@ -342,7 +351,7 @@ i915_gem_execbuffer_relocate(struct drm_device *dev, * lockdep complains vehemently. */ pagefault_disable(); - list_for_each_entry(obj, objects, exec_list) { + list_for_each_entry(obj, &eb->objects, exec_list) { ret = i915_gem_execbuffer_relocate_object(obj, eb); if (ret) break; @@ -531,7 +540,6 @@ static int i915_gem_execbuffer_relocate_slow(struct drm_device *dev, struct drm_file *file, struct intel_ring_buffer *ring, - struct list_head *objects, struct eb_objects *eb, struct drm_i915_gem_exec_object2 *exec, int count) @@ -542,8 +550,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, int i, total, ret; /* We may process another execbuffer during the unlock... */ - while (!list_empty(objects)) { - obj = list_first_entry(objects, + while (!list_empty(&eb->objects)) { + obj = list_first_entry(&eb->objects, struct drm_i915_gem_object, exec_list); list_del_init(&obj->exec_list); @@ -590,15 +598,15 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, /* reacquire the objects */ eb_reset(eb); - ret = eb_lookup_objects(eb, exec, count, file, objects); + ret = eb_lookup_objects(eb, exec, count, file); if (ret) goto err; - ret = i915_gem_execbuffer_reserve(ring, file, objects); + ret = i915_gem_execbuffer_reserve(ring, file, &eb->objects); if (ret) goto err; - list_for_each_entry(obj, objects, exec_list) { + list_for_each_entry(obj, &eb->objects, exec_list) { int offset = obj->exec_entry - exec; ret = i915_gem_execbuffer_relocate_object_slow(obj, eb, reloc + reloc_offset[offset]); @@ -756,7 +764,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, struct drm_i915_gem_exec_object2 *exec) { drm_i915_private_t *dev_priv = dev->dev_private; - struct list_head objects; struct eb_objects *eb; struct drm_i915_gem_object *batch_obj; struct drm_clip_rect *cliprects = NULL; @@ -899,28 +906,26 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, } /* Look up object handles */ - INIT_LIST_HEAD(&objects); - ret = eb_lookup_objects(eb, exec, args->buffer_count, file, &objects); + ret = eb_lookup_objects(eb, exec, args->buffer_count, file); if (ret) goto err; /* take note of the batch buffer before we might reorder the lists */ - batch_obj = list_entry(objects.prev, + batch_obj = list_entry(eb->objects.prev, struct drm_i915_gem_object, exec_list); /* Move the objects en-masse into the GTT, evicting if necessary. */ - ret = i915_gem_execbuffer_reserve(ring, file, &objects); + ret = i915_gem_execbuffer_reserve(ring, file, &eb->objects); if (ret) goto err; /* The objects are in their final locations, apply the relocations. */ - ret = i915_gem_execbuffer_relocate(dev, eb, &objects); + ret = i915_gem_execbuffer_relocate(dev, eb); if (ret) { if (ret == -EFAULT) { ret = i915_gem_execbuffer_relocate_slow(dev, file, ring, - &objects, eb, - exec, + eb, exec, args->buffer_count); BUG_ON(!mutex_is_locked(&dev->struct_mutex)); } @@ -943,7 +948,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, if (flags & I915_DISPATCH_SECURE && !batch_obj->has_global_gtt_mapping) i915_gem_gtt_bind_object(batch_obj, batch_obj->cache_level); - ret = i915_gem_execbuffer_move_to_gpu(ring, &objects); + ret = i915_gem_execbuffer_move_to_gpu(ring, &eb->objects); if (ret) goto err; @@ -997,20 +1002,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, trace_i915_gem_ring_dispatch(ring, intel_ring_get_seqno(ring), flags); - i915_gem_execbuffer_move_to_active(&objects, ring); + i915_gem_execbuffer_move_to_active(&eb->objects, ring); i915_gem_execbuffer_retire_commands(dev, file, ring); err: eb_destroy(eb); - while (!list_empty(&objects)) { - struct drm_i915_gem_object *obj; - - obj = list_first_entry(&objects, - struct drm_i915_gem_object, - exec_list); - list_del_init(&obj->exec_list); - drm_gem_object_unreference(&obj->base); - } mutex_unlock(&dev->struct_mutex); |