int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
{
drm_agp_mem_t *entry;
int retcode;
int page;
if (!dev->agp || !dev->agp->acquired)
return EINVAL;
DRM_DEBUG("agp_bind, page_size=%x\n", (int)PAGE_SIZE);
entry = drm_agp_lookup_entry(dev, (void *)request->handle);
if (entry == NULL || entry->bound)
return EINVAL;
page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE;
DRM_UNLOCK(dev);
retcode = drm_agp_bind_memory(entry->handle, page);
DRM_LOCK(dev);
if (retcode == 0)
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
return retcode;
}
/** Wrapper around agp_bind_memory() */
int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
{
return drm_agp_bind_memory(handle, start);
}
