diff options
Diffstat (limited to 'linux-core/drm_memory.c')
| -rw-r--r-- | linux-core/drm_memory.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c index 3370c279..62f54b67 100644 --- a/linux-core/drm_memory.c +++ b/linux-core/drm_memory.c @@ -134,13 +134,7 @@ int drm_mem_info(char *buf, char **start, off_t offset, /** Wrapper around kmalloc() */ void *drm_calloc(size_t nmemb, size_t size, int area) { - void *addr; - - addr = kmalloc(size * nmemb, GFP_KERNEL); - if (addr != NULL) - memset((void *)addr, 0, size * nmemb); - - return addr; + return kcalloc(nmemb, size, GFP_KERNEL); } EXPORT_SYMBOL(drm_calloc); @@ -250,3 +244,26 @@ int drm_unbind_agp(DRM_AGP_MEM * handle) } #endif /* agp */ #endif /* debug_memory */ + +void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) +{ + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + map->handle = agp_remap(map->offset, map->size, dev); + else + map->handle = ioremap(map->offset, map->size); +} +EXPORT_SYMBOL_GPL(drm_core_ioremap); + +void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) +{ + if (!map->handle || !map->size) + return; + + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + vunmap(map->handle); + else + iounmap(map->handle); +} +EXPORT_SYMBOL_GPL(drm_core_ioremapfree); |