diff options
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_vm.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 43e7825d3717..1575694ccaca 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -49,13 +49,10 @@ static pgprot_t drm_io_prot(struct drm_local_map *map, pgprot_t tmp = vm_get_page_prot(vma->vm_flags); #if defined(__i386__) || defined(__x86_64__) - if (map->type != _DRM_AGP) { - if (map->type == _DRM_FRAME_BUFFER || - map->flags & _DRM_WRITE_COMBINING) - tmp = pgprot_writecombine(tmp); - else - tmp = pgprot_noncached(tmp); - } + if (map->type == _DRM_REGISTERS && !(map->flags & _DRM_WRITE_COMBINING)) + tmp = pgprot_noncached(tmp); + else + tmp = pgprot_writecombine(tmp); #elif defined(__powerpc__) pgprot_val(tmp) |= _PAGE_NO_CACHE; if (map->type == _DRM_REGISTERS) |