/* allocate a new buffer object, call w/ table_lock held */
static struct omap_bo * bo_from_handle(struct omap_device *dev,
uint32_t handle)
{
struct omap_bo *bo = calloc(sizeof(*bo), 1);
if (!bo) {
struct drm_gem_close req = {
.handle = handle,
};
drmIoctl(dev->fd, DRM_IOCTL_GEM_CLOSE, &req);
return NULL;
}
bo->dev = omap_device_ref(dev);
bo->handle = handle;
atomic_set(&bo->refcnt, 1);
/* add ourselves to the handle table: */
drmHashInsert(dev->handle_table, handle, bo);
return bo;
}
drm_public struct omap_device * omap_device_new(int fd)
{
struct omap_device *dev = NULL;
pthread_mutex_lock(&table_lock);
if (!dev_table)
dev_table = drmHashCreate();
if (drmHashLookup(dev_table, fd, (void **)&dev)) {
/* not found, create new device */
dev = omap_device_new_impl(fd);
drmHashInsert(dev_table, fd, dev);
} else {
/* found, just incr refcnt */
dev = omap_device_ref(dev);
}
pthread_mutex_unlock(&table_lock);
return dev;
}
