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Fix Savage DRI without ShadowStatus NO by allowing the shadow area to be 

mapped.
main
Eric Anholt 2005-11-15 04:37:51 +00:00
parent b5d71f63cd
commit 19c5c56779
1 changed files with 19 additions and 14 deletions
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33
bsd-core/drm_vm.c
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@ -37,6 +37,11 @@ paddr_t drm_mmap(dev_t kdev, off_t offset, int prot)
drm_local_map_t *map;
drm_file_t *priv;
drm_map_type_t type;
#ifdef __FreeBSD__
vm_paddr_t phys;
#else
paddr_t phys;
#endif
DRM_LOCK();
priv = drm_find_file_by_proc(dev, DRM_CURPROC);
@ -102,25 +107,25 @@ paddr_t drm_mmap(dev_t kdev, off_t offset, int prot)
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
case _DRM_AGP:
#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
*paddr = offset;
return 0;
#else
return atop(offset);
#endif
phys = offset;
break;
case _DRM_CONSISTENT:
phys = vtophys((char *)map->handle + (offset - map->offset));
break;
case _DRM_SCATTER_GATHER:
case _DRM_SHM:
#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
*paddr = vtophys(offset);
return 0;
#else
return atop(vtophys(offset));
#endif
phys = vtophys(offset);
break;
default:
DRM_ERROR("bad map type %d\n", type);
return -1; /* This should never happen. */
}
DRM_DEBUG("bailing out\n");
return -1;
#if defined(__FreeBSD__) && __FreeBSD_version >= 500102
*paddr = phys;
return 0;
#else
return atop(phys);
#endif
}