[src/riastradh-drm2]: src/sys/external/bsd/drm2/drm Implement drm_getsarea in...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/78d7a976a0a6
branches:  riastradh-drm2
changeset: 788433:78d7a976a0a6
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 03:46:37 2013 +0000

description:
Implement drm_getsarea in drm_drv.c.

diffstat:

 sys/external/bsd/drm2/drm/drm_drv.c |  25 +++++++++++++++++++++++--
 1 files changed, 23 insertions(+), 2 deletions(-)

diffs (43 lines):

diff -r 6c9d5e81da73 -r 78d7a976a0a6 sys/external/bsd/drm2/drm/drm_drv.c
--- a/sys/external/bsd/drm2/drm/drm_drv.c       Wed Jul 24 03:46:22 2013 +0000
+++ b/sys/external/bsd/drm2/drm/drm_drv.c       Wed Jul 24 03:46:37 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_drv.c,v 1.1.2.11 2013/07/24 03:26:02 riastradh Exp $       */
+/*     $NetBSD: drm_drv.c,v 1.1.2.12 2013/07/24 03:46:37 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_drv.c,v 1.1.2.11 2013/07/24 03:26:02 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_drv.c,v 1.1.2.12 2013/07/24 03:46:37 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -607,3 +607,24 @@
                return;
        }
 }
+
+struct drm_local_map *
+drm_getsarea(struct drm_device *dev)
+{
+       struct drm_map_list *entry;
+
+       list_for_each_entry(entry, &dev->maplist, head) {
+               struct drm_local_map *const map = entry->map;
+
+               if (map == NULL)
+                       continue;
+               if (map->type != _DRM_SHM)
+                       continue;
+               if (!ISSET(map->flags, _DRM_CONTAINS_LOCK))
+                       continue;
+
+               return map;
+       }
+
+       return NULL;
+}