diff options
Diffstat (limited to 'linux/drmP.h')
| -rw-r--r-- | linux/drmP.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux/drmP.h b/linux/drmP.h index 8e2ecd16..f0a7ebf4 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -76,6 +76,11 @@ #include <asm/pgalloc.h> #include "drm.h" +/* page_to_bus for earlier kernels, not optimal in all cases */ +#ifndef page_to_bus +#define page_to_bus(page) (virt_to_bus(page_address(page))) +#endif + /* DRM template customization defaults */ #ifndef __HAVE_AGP |