drm: update PCIGART support from CVS

In order to work on FreeBSD the gart needed to use a local mapping
This patch moves the mainline to the new code and aligns some comment
changes

From: Eric Anholt <anholt@freebsd.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 9 insertions, 6 deletions

diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
index 7452753d4d01..db5a60450e68 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -1,6 +1,7 @@
-/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*-
+/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- 
  * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
- *
+ */
+/*
  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All Rights Reserved.
@@ -559,7 +560,8 @@ static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init)
         if (dev_priv->is_pci) {
 #endif
                 dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
-                dev_priv->gart_info.addr = dev_priv->gart_info.bus_addr = 0;
+                dev_priv->gart_info.addr = NULL;
+                dev_priv->gart_info.bus_addr = 0;
                 dev_priv->gart_info.is_pcie = 0;
                 if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
                         DRM_ERROR("failed to init PCI GART!\n");
@@ -601,15 +603,16 @@ int r128_do_cleanup_cce(drm_device_t * dev)
                                 drm_core_ioremapfree(dev_priv->cce_ring, dev);
                         if (dev_priv->ring_rptr != NULL)
                                 drm_core_ioremapfree(dev_priv->ring_rptr, dev);
-                        if (dev->agp_buffer_map != NULL)
+                        if (dev->agp_buffer_map != NULL) {
                                 drm_core_ioremapfree(dev->agp_buffer_map, dev);
+                                dev->agp_buffer_map = NULL;
+                        }
                 } else
 #endif
                 {
                         if (dev_priv->gart_info.bus_addr)
                                 if (!drm_ati_pcigart_cleanup(dev,
-                                                             &dev_priv->
-                                                             gart_info))
+                                                        &dev_priv->gart_info))
                                         DRM_ERROR
                                             ("failed to cleanup PCI GART!\n");
                 }