diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-09-04 17:46:45 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-09-23 14:35:53 +1000 |
| commit | 6bd3110ce6e50fb15c975b26f068d606f4434431 (patch) | |
| tree | 81e95a9fdd6e928f8631cdbeaa76f9bd3ecd9e05 /drivers/gpu/drm/drm_vm.c | |
| parent | 42532512ee0eff90076fc7c49391e17b1d51d91b (diff) | |
| download | linux-rt-6bd3110ce6e50fb15c975b26f068d606f4434431.tar.gz | |
drm: powerpc can use a simpler drm_io_prot()
What the code does is equivalent to the x86 code, so let's use
it as well
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_vm.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 06cad0323699..b2b231cda139 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -57,15 +57,11 @@ 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 defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) 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) - pgprot_val(tmp) |= _PAGE_GUARDED; #elif defined(__ia64__) if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) |