drm: updated DRM map patch for 32/64 bit systems

[deliverable/linux.git] / drivers / char / drm / drmP.h

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index fb2af9279148228762799e3f135752f86138246d..0a4358996970bcc1b466893a0c938892dc3ba074 100644 (file)
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -539,6 +539,7 @@ typedef struct drm_dma_handle {
 typedef struct drm_map_list {
        struct list_head        head;   /**< list head */
        drm_map_t               *map;   /**< mapping */
+       unsigned int user_token;
 } drm_map_list_t;
 
 typedef drm_map_t drm_local_map_t;
@@ -759,6 +760,7 @@ typedef struct drm_device {
 
        struct            drm_driver *driver;
        drm_local_map_t   *agp_buffer_map;
+       unsigned int agp_buffer_token;
        drm_head_t primary;             /**< primary screen head */
 } drm_device_t;
 
@@ -1048,16 +1050,12 @@ static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_devi
                drm_ioremapfree( map->handle, map->size, dev );
 }
 
-static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
+static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned int token)
 {
-       struct list_head *_list;
-       list_for_each( _list, &dev->maplist->head ) {
-               drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head );
-               if ( _entry->map &&
-                    _entry->map->offset == offset ) {
+       drm_map_list_t *_entry;
+       list_for_each_entry(_entry, &dev->maplist->head, head)
+               if (_entry->user_token == token)
                        return _entry->map;
-               }
-       }
        return NULL;
 }