From ae14dc0505261978ca06075ac39cc5422c6c6b57 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 11 Dec 2008 17:06:35 +1000 Subject: [PATCH] drm: PAGE_CACHE_WC is x86 only so far The page protections need to be checked whether they need to be more flexible. Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_gem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index b3939de6aff..9da58145287 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -516,7 +516,9 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_private_data = map->handle; /* FIXME: use pgprot_writecombine when available */ prot = pgprot_val(vma->vm_page_prot); +#ifdef CONFIG_X86 prot |= _PAGE_CACHE_WC; +#endif vma->vm_page_prot = __pgprot(prot); vma->vm_file = filp; /* Needed for drm_vm_open() */ -- 2.41.1