diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 18ca651ab942..31d5a744d84f 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -672,14 +672,13 @@ void msm_gem_vunmap(struct drm_gem_object *obj, enum msm_gem_lock subclass) int msm_gem_sync_object(struct drm_gem_object *obj, struct msm_fence_context *fctx, bool exclusive) { - struct msm_gem_object *msm_obj = to_msm_bo(obj); struct reservation_object_list *fobj; struct dma_fence *fence; int i, ret; - fobj = reservation_object_get_list(msm_obj->resv); + fobj = reservation_object_get_list(obj->resv); if (!fobj || (fobj->shared_count == 0)) { - fence = reservation_object_get_excl(msm_obj->resv); + fence = reservation_object_get_excl(obj->resv); /* don't need to wait on our own fences, since ring is fifo */ if (fence && (fence->context != fctx->context)) { ret = dma_fence_wait(fence, true); @@ -693,7 +692,7 @@ int msm_gem_sync_object(struct drm_gem_object *obj, for (i = 0; i < fobj->shared_count; i++) { fence = rcu_dereference_protected(fobj->shared[i], - reservation_object_held(msm_obj->resv)); + reservation_object_held(obj->resv)); if (fence->context != fctx->context) { ret = dma_fence_wait(fence, true); if (ret) @@ -711,9 +710,9 @@ void msm_gem_move_to_active(struct drm_gem_object *obj, WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED); msm_obj->gpu = gpu; if (exclusive) - reservation_object_add_excl_fence(msm_obj->resv, fence); + reservation_object_add_excl_fence(obj->resv, fence); else - reservation_object_add_shared_fence(msm_obj->resv, fence); + reservation_object_add_shared_fence(obj->resv, fence); list_del_init(&msm_obj->mm_list); list_add_tail(&msm_obj->mm_list, &gpu->active_list); } @@ -733,13 +732,12 @@ void msm_gem_move_to_inactive(struct drm_gem_object *obj) int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout) { - struct msm_gem_object *msm_obj = to_msm_bo(obj); bool write = !!(op & MSM_PREP_WRITE); unsigned long remain = op & MSM_PREP_NOSYNC ? 0 : timeout_to_jiffies(timeout); long ret; - ret = reservation_object_wait_timeout_rcu(msm_obj->resv, write, + ret = reservation_object_wait_timeout_rcu(obj->resv, write, true, remain); if (ret == 0) return remain == 0 ? -EBUSY : -ETIMEDOUT; @@ -771,7 +769,7 @@ static void describe_fence(struct dma_fence *fence, const char *type, void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - struct reservation_object *robj = msm_obj->resv; + struct reservation_object *robj = obj->resv; struct reservation_object_list *fobj; struct dma_fence *fence; struct msm_gem_vma *vma; @@ -853,8 +851,18 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m) /* don't call directly! Use drm_gem_object_put() and friends */ void msm_gem_free_object(struct drm_gem_object *obj) { - struct drm_device *dev = obj->dev; struct msm_gem_object *msm_obj = to_msm_bo(obj); + struct drm_device *dev = obj->dev; + struct msm_drm_private *priv = dev->dev_private; + + if (llist_add(&msm_obj->freed, &priv->free_list)) + queue_work(priv->wq, &priv->free_work); +} + +static void free_object(struct msm_gem_object *msm_obj) +{ + struct drm_gem_object *obj = &msm_obj->base; + struct drm_device *dev = obj->dev; WARN_ON(!mutex_is_locked(&dev->struct_mutex)); @@ -883,15 +891,35 @@ void msm_gem_free_object(struct drm_gem_object *obj) put_pages(obj); } - if (msm_obj->resv == &msm_obj->_resv) - reservation_object_fini(msm_obj->resv); - drm_gem_object_release(obj); mutex_unlock(&msm_obj->lock); kfree(msm_obj); } +void msm_gem_free_work(struct work_struct *work) +{ + struct msm_drm_private *priv = + container_of(work, struct msm_drm_private, free_work); + struct drm_device *dev = priv->dev; + struct llist_node *freed; + struct msm_gem_object *msm_obj, *next; + + while ((freed = llist_del_all(&priv->free_list))) { + + mutex_lock(&dev->struct_mutex); + + llist_for_each_entry_safe(msm_obj, next, + freed, freed) + free_object(msm_obj); + + mutex_unlock(&dev->struct_mutex); + + if (need_resched()) + break; + } +} + /* convenience method to construct a GEM buffer object, and userspace handle */ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, uint32_t size, uint32_t flags, uint32_t *handle, @@ -945,12 +973,8 @@ static int msm_gem_new_impl(struct drm_device *dev, msm_obj->flags = flags; msm_obj->madv = MSM_MADV_WILLNEED; - if (resv) { - msm_obj->resv = resv; - } else { - msm_obj->resv = &msm_obj->_resv; - reservation_object_init(msm_obj->resv); - } + if (resv) + msm_obj->base.resv = resv; INIT_LIST_HEAD(&msm_obj->submit_entry); INIT_LIST_HEAD(&msm_obj->vmas); @@ -1026,6 +1050,13 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, ret = drm_gem_object_init(dev, obj, size); if (ret) goto fail; + /* + * Our buffers are kept pinned, so allocating them from the + * MOVABLE zone is a really bad idea, and conflicts with CMA. + * See comments above new_inode() why this is required _and_ + * expected if you're going to pin these pages. + */ + mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER); } return obj; |