Merge remote branch 'korg/drm-core-next' into drm-next-stage

[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6844ca4f42655f5a821d23e3bbe7eee3a13199d2..9d87d5a41bdcb96dc357b93a4ea541e233031fa5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1548,6 +1548,8 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
        else
                list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
 
+       BUG_ON(!list_empty(&obj_priv->gpu_write_list));
+
        obj_priv->last_rendering_seqno = 0;
        if (obj_priv->active) {
                obj_priv->active = 0;
@@ -1618,7 +1620,8 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
                struct drm_i915_gem_object *obj_priv, *next;
 
                list_for_each_entry_safe(obj_priv, next,
-                                        &dev_priv->mm.flushing_list, list) {
+                                        &dev_priv->mm.gpu_write_list,
+                                        gpu_write_list) {
                        struct drm_gem_object *obj = obj_priv->obj;
 
                        if ((obj->write_domain & flush_domains) ==
@@ -1626,6 +1629,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
                                uint32_t old_write_domain = obj->write_domain;
 
                                obj->write_domain = 0;
+                               list_del_init(&obj_priv->gpu_write_list);
                                i915_gem_object_move_to_active(obj, seqno);
 
                                trace_i915_gem_object_change_domain(obj,
@@ -2080,8 +2084,8 @@ static int
 i915_gem_evict_everything(struct drm_device *dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
-       uint32_t seqno;
        int ret;
+       uint32_t seqno;
        bool lists_empty;
 
        spin_lock(&dev_priv->mm.active_list_lock);
@@ -2103,6 +2107,8 @@ i915_gem_evict_everything(struct drm_device *dev)
        if (ret)
                return ret;
 
+       BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
+
        ret = i915_gem_evict_from_inactive_list(dev);
        if (ret)
                return ret;
@@ -2697,7 +2703,7 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
        old_write_domain = obj->write_domain;
        i915_gem_flush(dev, 0, obj->write_domain);
        seqno = i915_add_request(dev, NULL, obj->write_domain);
-       obj->write_domain = 0;
+       BUG_ON(obj->write_domain);
        i915_gem_object_move_to_active(obj, seqno);
 
        trace_i915_gem_object_change_domain(obj,
@@ -3678,8 +3684,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        if (args->num_cliprects != 0) {
                cliprects = kcalloc(args->num_cliprects, sizeof(*cliprects),
                                    GFP_KERNEL);
-               if (cliprects == NULL)
+               if (cliprects == NULL) {
+                       ret = -ENOMEM;
                        goto pre_mutex_err;
+               }
 
                ret = copy_from_user(cliprects,
                                     (struct drm_clip_rect __user *)
@@ -3846,16 +3854,23 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                i915_gem_flush(dev,
                               dev->invalidate_domains,
                               dev->flush_domains);
-               if (dev->flush_domains)
+               if (dev->flush_domains & I915_GEM_GPU_DOMAINS)
                        (void)i915_add_request(dev, file_priv,
                                               dev->flush_domains);
        }
 
        for (i = 0; i < args->buffer_count; i++) {
                struct drm_gem_object *obj = object_list[i];
+               struct drm_i915_gem_object *obj_priv = obj->driver_private;
                uint32_t old_write_domain = obj->write_domain;
 
                obj->write_domain = obj->pending_write_domain;
+               if (obj->write_domain)
+                       list_move_tail(&obj_priv->gpu_write_list,
+                                      &dev_priv->mm.gpu_write_list);
+               else
+                       list_del_init(&obj_priv->gpu_write_list);
+
                trace_i915_gem_object_change_domain(obj,
                                                    obj->read_domains,
                                                    old_write_domain);
@@ -4366,6 +4381,7 @@ int i915_gem_init_object(struct drm_gem_object *obj)
        obj_priv->obj = obj;
        obj_priv->fence_reg = I915_FENCE_REG_NONE;
        INIT_LIST_HEAD(&obj_priv->list);
+       INIT_LIST_HEAD(&obj_priv->gpu_write_list);
        INIT_LIST_HEAD(&obj_priv->fence_list);
        obj_priv->madv = I915_MADV_WILLNEED;
 
@@ -4817,6 +4833,7 @@ i915_gem_load(struct drm_device *dev)
        spin_lock_init(&dev_priv->mm.active_list_lock);
        INIT_LIST_HEAD(&dev_priv->mm.active_list);
        INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
+       INIT_LIST_HEAD(&dev_priv->mm.gpu_write_list);
        INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
        INIT_LIST_HEAD(&dev_priv->mm.request_list);
        INIT_LIST_HEAD(&dev_priv->mm.fence_list);