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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-06-27 19:00:23 +1000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-07-12 13:20:39 +0200
commit37035e7411fc90d57e4aca83ef654f50c3a0f626 (patch)
treecb6d6801c047b05132543c8b9360e4ad05a92533 /drivers/gpu/drm/drm_vm.c
parent6308c983d7735878c49392cec7d967ec0d871099 (diff)
downloadlinux-37035e7411fc90d57e4aca83ef654f50c3a0f626.tar.gz
drm: Fix broken use of _PAGE_NO_CACHE on powerpc
That constant isn't meant to be used outside of arch mm code

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1467018023.20278.65.camel@kernel.crashing.org
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
-rw-r--r--drivers/gpu/drm/drm_vm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 43ff44a2b8e7..caa4e4ca616d 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -80,7 +80,7 @@ static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma)
 	pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
 
 #if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
-	tmp |= _PAGE_NO_CACHE;
+	tmp = pgprot_noncached_wc(tmp);
 #endif
 	return tmp;
 }
@@ -593,7 +593,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
 			 * pages and mappings in fault()
 			 */
 #if defined(__powerpc__)
-			pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
+			vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 #endif
 			vma->vm_ops = &drm_vm_ops;
 			break;