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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
parent6308c983d7735878c49392cec7d967ec0d871099 (diff)
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
-rw-r--r--drivers/gpu/drm/drm_memory.c2
-rw-r--r--drivers/gpu/drm/drm_scatter.c2
-rw-r--r--drivers/gpu/drm/drm_vm.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
index 87a8cb73366f..fc0ebd273ef8 100644
--- a/drivers/gpu/drm/drm_memory.c
+++ b/drivers/gpu/drm/drm_memory.c
@@ -44,7 +44,7 @@
# include <asm/agp.h>
#else
# ifdef __powerpc__
-# define PAGE_AGP __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE)
+# define PAGE_AGP pgprot_noncached_wc(PAGE_KERNEL)
# else
# define PAGE_AGP PAGE_KERNEL
# endif
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
index 4f0f3b36d537..bf70431073f6 100644
--- a/drivers/gpu/drm/drm_scatter.c
+++ b/drivers/gpu/drm/drm_scatter.c
@@ -41,7 +41,7 @@
static inline void *drm_vmalloc_dma(unsigned long size)
{
#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
- return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL | _PAGE_NO_CACHE);
+ return __vmalloc(size, GFP_KERNEL, pgprot_noncached_wc(PAGE_KERNEL));
#else
return vmalloc_32(size);
#endif
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;