diff options
Diffstat (limited to 'linux-core/drm_bo.c')
| -rw-r--r-- | linux-core/drm_bo.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 95802fe2..b67946eb 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -2283,6 +2283,7 @@ int drm_bo_init_mm(struct drm_device *dev, } man->has_type = 1; man->use_type = 1; + man->size = p_size; INIT_LIST_HEAD(&man->lru); INIT_LIST_HEAD(&man->pinned); @@ -2553,6 +2554,42 @@ int drm_mm_unlock_ioctl(struct drm_device *dev, return 0; } +int drm_mm_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + struct drm_mm_info_arg *arg = data; + struct drm_buffer_manager *bm = &dev->bm; + struct drm_bo_driver *driver = dev->driver->bo_driver; + struct drm_mem_type_manager *man; + int ret = 0; + int mem_type = arg->mem_type; + + if (!driver) { + DRM_ERROR("Buffer objects are not supported by this driver\n"); + return -EINVAL; + } + + if (mem_type >= DRM_BO_MEM_TYPES) { + DRM_ERROR("Illegal memory type %d\n", arg->mem_type); + return -EINVAL; + } + + mutex_lock(&dev->struct_mutex); + if (!bm->initialized) { + DRM_ERROR("DRM memory manager was not initialized\n"); + ret = -EINVAL; + goto out; + } + + + man = &bm->man[arg->mem_type]; + + arg->p_size = man->size; + +out: + mutex_unlock(&dev->struct_mutex); + + return ret; +} /* * buffer object vm functions. */ |