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Commit ae14dc05 authored by Dave Airlie's avatar Dave Airlie
Browse files

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: default avatarDave Airlie <airlied@redhat.com>
parent aa91c666

drivers/gpu/drm/drm_gem.c

+2 −0
Original line number Diff line number Diff line
@@ -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() */