radeon: fix r600 AGP support

This fixes the ioremap issues with r600 AGP.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index fcb0fc164c39ce0a857055124bbbc876afa97743..3f40558beece34f435ce4f76623760cb477cb5df 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -1932,9 +1932,9 @@ int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
 #if __OS_HAS_AGP
        /* XXX */
        if (dev_priv->flags & RADEON_IS_AGP) {
-               drm_core_ioremap(dev_priv->cp_ring, dev);
-               drm_core_ioremap(dev_priv->ring_rptr, dev);
-               drm_core_ioremap(dev->agp_buffer_map, dev);
+               drm_core_ioremap_wc(dev_priv->cp_ring, dev);
+               drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
+               drm_core_ioremap_wc(dev->agp_buffer_map, dev);
                if (!dev_priv->cp_ring->handle ||
                    !dev_priv->ring_rptr->handle ||
                    !dev->agp_buffer_map->handle) {