diff options
Diffstat (limited to 'linux-core/drm_scatter.c')
| -rw-r--r-- | linux-core/drm_scatter.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c index c1c9f7e8..5654c8cb 100644 --- a/linux-core/drm_scatter.c +++ b/linux-core/drm_scatter.c @@ -47,12 +47,17 @@ void DRM(sg_cleanup)( drm_sg_mem_t *entry ) vfree( entry->virtual ); +#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400) + DRM(free)( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); +#endif DRM(free)( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); DRM(free)( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); + sizeof(*entry), + DRM_MEM_SGLISTS ); } int DRM(sg_alloc)( struct inode *inode, struct file *filp, @@ -93,16 +98,35 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp, DRM(free)( entry, sizeof(*entry), DRM_MEM_SGLISTS ); return -ENOMEM; } - memset(entry->pagelist, 0, pages * sizeof(*entry->pagelist)); + +#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400) + entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + if ( !entry->busaddr ) { + DRM(free)( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + DRM(free)( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); + return -ENOMEM; + } + memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) ); +#endif entry->virtual = vmalloc_32( pages << PAGE_SHIFT ); if ( !entry->virtual ) { +#if defined(__alpha__) && (LINUX_VERSION_CODE >= 0x020400) + DRM(free)( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); +#endif DRM(free)( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); DRM(free)( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); + sizeof(*entry), + DRM_MEM_SGLISTS ); return -ENOMEM; } |