Reviewed-by: Matthew Auld matthew.auld@intel.com ________________________________________ From: Chris Wilson [chris.ickle.wilson@gmail.com] on behalf of Chris Wilson [chris@chris-wilson.co.uk] Sent: 12 July 2016 13:04 To: dri-devel@lists.freedesktop.org Cc: Chris Wilson; Auld, Matthew; Daniel Vetter Subject: [PATCH] drm/vgem: Use PAGE_KERNEL in place of x86-specific PAGE_KERNEL_IO

Since PAGE_KERNEL_IO is specific to x86 and equivalent to PAGE_KERNEL for our wrapping with pgprot_writecombine(), just use the common define.

drivers/gpu/drm/vgem/vgem_drv.c: In function 'vgem_prime_vmap':

...

drivers/gpu/drm/vgem/vgem_drv.c:238:53: error: 'PAGE_KERNEL_IO' undeclared (first use in this function)

addr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL_IO));

Reported-by: 0day Fixes: e6f15b763ab2 ("drm/vgem: Enable dmabuf interface for export") Signed-off-by: Chris Wilson chris@chris-wilson.co.uk Cc: Matthew Auld matthew.auld@intel.com Cc: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/vgem/vgem_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index b5fb968d2d5c..29c2aab3c1a7 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -235,7 +235,7 @@ static void *vgem_prime_vmap(struct drm_gem_object *obj) if (IS_ERR(pages)) return NULL;

- addr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL_IO)); + addr = vmap(pages, n_pages, 0, pgprot_writecombine(PAGE_KERNEL)); drm_gem_put_pages(obj, pages, false, false);

return addr; -- 2.8.1