diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 6277fde13df9..b2f49152b4d4 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -560,7 +560,7 @@ int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, *offset = msm_gem_mmap_offset(obj); - drm_gem_object_put_unlocked(obj); + drm_gem_object_put(obj); fail: return ret; @@ -571,6 +571,9 @@ static void *get_vaddr(struct drm_gem_object *obj, unsigned madv) struct msm_gem_object *msm_obj = to_msm_bo(obj); int ret = 0; + if (obj->import_attach) + return ERR_PTR(-ENODEV); + mutex_lock(&msm_obj->lock); if (WARN_ON(msm_obj->madv > madv)) { @@ -896,7 +899,7 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m) } #endif -/* don't call directly! Use drm_gem_object_put() and friends */ +/* don't call directly! Use drm_gem_object_put_locked() and friends */ void msm_gem_free_object(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); @@ -924,8 +927,7 @@ static void free_object(struct msm_gem_object *msm_obj) put_iova(obj); if (obj->import_attach) { - if (msm_obj->vaddr) - dma_buf_vunmap(obj->import_attach->dmabuf, msm_obj->vaddr); + WARN_ON(msm_obj->vaddr); /* Don't drop the pages for imported dmabuf, as they are not * ours, just free the array we allocated: @@ -987,17 +989,15 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, ret = drm_gem_handle_create(file, obj, handle); /* drop reference from allocate - handle holds it now */ - drm_gem_object_put_unlocked(obj); + drm_gem_object_put(obj); return ret; } static int msm_gem_new_impl(struct drm_device *dev, uint32_t size, uint32_t flags, - struct drm_gem_object **obj, - bool struct_mutex_locked) + struct drm_gem_object **obj) { - struct msm_drm_private *priv = dev->dev_private; struct msm_gem_object *msm_obj; switch (flags & MSM_BO_CACHE_MASK) { @@ -1023,15 +1023,6 @@ static int msm_gem_new_impl(struct drm_device *dev, INIT_LIST_HEAD(&msm_obj->submit_entry); INIT_LIST_HEAD(&msm_obj->vmas); - if (struct_mutex_locked) { - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); - list_add_tail(&msm_obj->mm_list, &priv->inactive_list); - } else { - mutex_lock(&dev->struct_mutex); - list_add_tail(&msm_obj->mm_list, &priv->inactive_list); - mutex_unlock(&dev->struct_mutex); - } - *obj = &msm_obj->base; return 0; @@ -1041,6 +1032,7 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, uint32_t size, uint32_t flags, bool struct_mutex_locked) { struct msm_drm_private *priv = dev->dev_private; + struct msm_gem_object *msm_obj; struct drm_gem_object *obj = NULL; bool use_vram = false; int ret; @@ -1061,14 +1053,15 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, if (size == 0) return ERR_PTR(-EINVAL); - ret = msm_gem_new_impl(dev, size, flags, &obj, struct_mutex_locked); + ret = msm_gem_new_impl(dev, size, flags, &obj); if (ret) goto fail; + msm_obj = to_msm_bo(obj); + if (use_vram) { struct msm_gem_vma *vma; struct page **pages; - struct msm_gem_object *msm_obj = to_msm_bo(obj); mutex_lock(&msm_obj->lock); @@ -1103,10 +1096,19 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER); } + if (struct_mutex_locked) { + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + list_add_tail(&msm_obj->mm_list, &priv->inactive_list); + } else { + mutex_lock(&dev->struct_mutex); + list_add_tail(&msm_obj->mm_list, &priv->inactive_list); + mutex_unlock(&dev->struct_mutex); + } + return obj; fail: - drm_gem_object_put_unlocked(obj); + drm_gem_object_put(obj); return ERR_PTR(ret); } @@ -1125,6 +1127,7 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, struct drm_gem_object *msm_gem_import(struct drm_device *dev, struct dma_buf *dmabuf, struct sg_table *sgt) { + struct msm_drm_private *priv = dev->dev_private; struct msm_gem_object *msm_obj; struct drm_gem_object *obj; uint32_t size; @@ -1138,7 +1141,7 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, size = PAGE_ALIGN(dmabuf->size); - ret = msm_gem_new_impl(dev, size, MSM_BO_WC, &obj, false); + ret = msm_gem_new_impl(dev, size, MSM_BO_WC, &obj); if (ret) goto fail; @@ -1163,10 +1166,15 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, } mutex_unlock(&msm_obj->lock); + + mutex_lock(&dev->struct_mutex); + list_add_tail(&msm_obj->mm_list, &priv->inactive_list); + mutex_unlock(&dev->struct_mutex); + return obj; fail: - drm_gem_object_put_unlocked(obj); + drm_gem_object_put(obj); return ERR_PTR(ret); } @@ -1200,9 +1208,9 @@ static void *_msm_gem_kernel_new(struct drm_device *dev, uint32_t size, return vaddr; err: if (locked) - drm_gem_object_put(obj); + drm_gem_object_put_locked(obj); else - drm_gem_object_put_unlocked(obj); + drm_gem_object_put(obj); return ERR_PTR(ret); @@ -1232,9 +1240,9 @@ void msm_gem_kernel_put(struct drm_gem_object *bo, msm_gem_unpin_iova(bo, aspace); if (locked) - drm_gem_object_put(bo); + drm_gem_object_put_locked(bo); else - drm_gem_object_put_unlocked(bo); + drm_gem_object_put(bo); } void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...) |