drm/radeon: fixup issue with radeon and PAT support.

With new userspace libpciaccess we can get a conflicting mapping
on the PCIE GART table in the video RAM. Always try and map it _wc.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index e53158f0ecb5..f0de81a5689d 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -1154,7 +1154,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
                         dev_priv->gart_info.mapping.size =
                             dev_priv->gart_info.table_size;
 
-                        drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
+                        drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
                         dev_priv->gart_info.addr =
                             dev_priv->gart_info.mapping.handle;