Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into modesetting-101

Conflicts:

	linux-core/drm_drv.c
	linux-core/drm_fops.c
	linux-core/drm_objects.h
	linux-core/drm_stub.c
	shared-core/i915_dma.c

1 files changed, 357 insertions, 291 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 78efcf2a..93185512 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -92,7 +92,7 @@ static drmServerInfoPtr drm_server_info;
 
 void drmSetServerInfo(drmServerInfoPtr info)
 {
-  drm_server_info = info;
+    drm_server_info = info;
 }
 
 /**
@@ -106,7 +106,7 @@ void drmSetServerInfo(drmServerInfoPtr info)
 
 static int drmDebugPrint(const char *format, va_list ap)
 {
-  return vfprintf(stderr, format, ap);
+    return vfprintf(stderr, format, ap);
 }
 
 static int (*drm_debug_print)(const char *format, va_list ap) = drmDebugPrint;
@@ -131,26 +131,28 @@ drmMsg(const char *format, ...)
 void
 drmSetDebugMsgFunction(int (*debug_msg_ptr)(const char *format, va_list ap))
 {
-  drm_debug_print = debug_msg_ptr;
+    drm_debug_print = debug_msg_ptr;
 }
 
 static void *drmHashTable = NULL; /* Context switch callbacks */
 
 void *drmGetHashTable(void)
 {
-  return drmHashTable;
+    return drmHashTable;
 }
 
 void *drmMalloc(int size)
 {
     void *pt;
-    if ((pt = malloc(size))) memset(pt, 0, size);
+    if ((pt = malloc(size)))
+	memset(pt, 0, size);
     return pt;
 }
 
 void drmFree(void *pt)
 {
-    if (pt) free(pt);
+    if (pt)
+	free(pt);
 }
 
 /* drmStrdup can't use strdup(3), since it doesn't call _DRM_MALLOC... */
@@ -186,7 +188,8 @@ drmHashEntry *drmGetEntry(int fd)
     void          *value;
     drmHashEntry  *entry;
 
-    if (!drmHashTable) drmHashTable = drmHashCreate();
+    if (!drmHashTable)
+	drmHashTable = drmHashCreate();
 
     if (drmHashLookup(drmHashTable, key, &value)) {
 	entry           = drmMalloc(sizeof(*entry));
@@ -276,14 +279,15 @@ static int drmOpenDevice(long dev, int minor)
     drmMsg("drmOpenDevice: node name is %s\n", buf);
 
     if (drm_server_info) {
-      drm_server_info->get_perms(&serv_group, &serv_mode);
-      devmode  = serv_mode ? serv_mode : DRM_DEV_MODE;
-      devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH);
-      group = (serv_group >= 0) ? serv_group : DRM_DEV_GID;
+	drm_server_info->get_perms(&serv_group, &serv_mode);
+	devmode  = serv_mode ? serv_mode : DRM_DEV_MODE;
+	devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH);
+	group = (serv_group >= 0) ? serv_group : DRM_DEV_GID;
     }
 
     if (stat(DRM_DIR_NAME, &st)) {
-	if (!isroot) return DRM_ERR_NOT_ROOT;
+	if (!isroot)
+	    return DRM_ERR_NOT_ROOT;
 	mkdir(DRM_DIR_NAME, DRM_DEV_DIRMODE);
 	chown(DRM_DIR_NAME, 0, 0); /* root:root */
 	chmod(DRM_DIR_NAME, DRM_DEV_DIRMODE);
@@ -291,37 +295,41 @@ static int drmOpenDevice(long dev, int minor)
 
     /* Check if the device node exists and create it if necessary. */
     if (stat(buf, &st)) {
-	if (!isroot) return DRM_ERR_NOT_ROOT;
+	if (!isroot)
+	    return DRM_ERR_NOT_ROOT;
 	remove(buf);
 	mknod(buf, S_IFCHR | devmode, dev);
     }
 
     if (drm_server_info) {
-      chown(buf, user, group);
-      chmod(buf, devmode);
+	chown(buf, user, group);
+	chmod(buf, devmode);
     }
 
     fd = open(buf, O_RDWR, 0);
     drmMsg("drmOpenDevice: open result is %d, (%s)\n",
 		fd, fd < 0 ? strerror(errno) : "OK");
-    if (fd >= 0) return fd;
+    if (fd >= 0)
+	return fd;
 
     /* Check if the device node is not what we expect it to be, and recreate it
      * and try again if so.
      */
     if (st.st_rdev != dev) {
-	if (!isroot) return DRM_ERR_NOT_ROOT;
+	if (!isroot)
+	    return DRM_ERR_NOT_ROOT;
 	remove(buf);
 	mknod(buf, S_IFCHR | devmode, dev);
 	if (drm_server_info) {
-	  chown(buf, user, group);
-	  chmod(buf, devmode);
+	    chown(buf, user, group);
+	    chmod(buf, devmode);
 	}
     }
     fd = open(buf, O_RDWR, 0);
     drmMsg("drmOpenDevice: open result is %d, (%s)\n",
 		fd, fd < 0 ? strerror(errno) : "OK");
-    if (fd >= 0) return fd;
+    if (fd >= 0)
+	return fd;
 
     drmMsg("drmOpenDevice: Open failed\n");
     remove(buf);
@@ -346,10 +354,12 @@ static int drmOpenMinor(int minor, int create)
     int  fd;
     char buf[64];
     
-    if (create) return drmOpenDevice(makedev(DRM_MAJOR, minor), minor);
+    if (create)
+	return drmOpenDevice(makedev(DRM_MAJOR, minor), minor);
     
     sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor);
-    if ((fd = open(buf, O_RDWR, 0)) >= 0) return fd;
+    if ((fd = open(buf, O_RDWR, 0)) >= 0)
+	return fd;
     return -errno;
 }
 
@@ -373,7 +383,8 @@ int drmAvailable(void)
     if ((fd = drmOpenMinor(0, 1)) < 0) {
 #ifdef __linux__
 	/* Try proc for backward Linux compatibility */
-	if (!access("/proc/dri/0", R_OK)) return 1;
+	if (!access("/proc/dri/0", R_OK))
+	    return 1;
 #endif
 	return 0;
     }
@@ -424,7 +435,8 @@ static int drmOpenByBusid(const char *busid)
 		drmFreeBusid(buf);
 		return fd;
 	    }
-	    if (buf) drmFreeBusid(buf);
+	    if (buf)
+		drmFreeBusid(buf);
 	    close(fd);
 	}
     }
@@ -454,16 +466,16 @@ static int drmOpenByName(const char *name)
     char *        id;
     
     if (!drmAvailable()) {
-      if (!drm_server_info)
-	return -1;
-      else {
-        /* try to load the kernel module now */
-        if (!drm_server_info->load_module(name)) {
-	  drmMsg("[drm] failed to load kernel module \"%s\"\n",
-		 name);
-	  return -1;
-        }
-      }
+	if (!drm_server_info) {
+	    return -1;
+	}
+	else {
+	    /* try to load the kernel module now */
+	    if (!drm_server_info->load_module(name)) {
+		drmMsg("[drm] failed to load kernel module \"%s\"\n", name);
+		return -1;
+	    }
+	}
     }
 
     /*
@@ -548,16 +560,13 @@ int drmOpen(const char *name, const char *busid)
     if (!drmAvailable() && name != NULL && drm_server_info) {
 	/* try to load the kernel */
 	if (!drm_server_info->load_module(name)) {
-	  drmMsg("[drm] failed to load kernel module \"%s\"\n",
-	           name);
+	    drmMsg("[drm] failed to load kernel module \"%s\"\n", name);
 	    return -1;
 	}
     }
 
     if (busid) {
-	int fd;
-
-	fd = drmOpenByBusid(busid);
+	int fd = drmOpenByBusid(busid);
 	if (fd >= 0)
 	    return fd;
     }
@@ -580,7 +589,8 @@ int drmOpen(const char *name, const char *busid)
  */
 void drmFreeVersion(drmVersionPtr v)
 {
-    if (!v) return;
+    if (!v)
+	return;
     drmFree(v->name);
     drmFree(v->date);
     drmFree(v->desc);
@@ -599,7 +609,8 @@ void drmFreeVersion(drmVersionPtr v)
  */
 static void drmFreeKernelVersion(drm_version_t *v)
 {
-    if (!v) return;
+    if (!v)
+	return;
     drmFree(v->name);
     drmFree(v->date);
     drmFree(v->desc);
@@ -756,9 +767,11 @@ char *drmGetBusid(int fd)
     u.unique_len = 0;
     u.unique     = NULL;
 
-    if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u))
+	return NULL;
     u.unique = drmMalloc(u.unique_len + 1);
-    if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u))
+	return NULL;
     u.unique[u.unique_len] = '\0';
 
     return u.unique;
@@ -795,7 +808,8 @@ int drmGetMagic(int fd, drm_magic_t * magic)
     drm_auth_t auth;
 
     *magic = 0;
-    if (ioctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_GET_MAGIC, &auth))
+	return -errno;
     *magic = auth.magic;
     return 0;
 }
@@ -805,7 +819,8 @@ int drmAuthMagic(int fd, drm_magic_t magic)
     drm_auth_t auth;
 
     auth.magic = magic;
-    if (ioctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth))
+	return -errno;
     return 0;
 }
 
@@ -869,8 +884,10 @@ int drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type,
     map.handle  = 0;
     map.type    = type;
     map.flags   = flags;
-    if (ioctl(fd, DRM_IOCTL_ADD_MAP, &map)) return -errno;
-    if (handle) *handle = (drm_handle_t)map.handle;
+    if (ioctl(fd, DRM_IOCTL_ADD_MAP, &map))
+	return -errno;
+    if (handle)
+	*handle = (drm_handle_t)map.handle;
     return 0;
 }
 
@@ -880,7 +897,8 @@ int drmRmMap(int fd, drm_handle_t handle)
 
     map.handle = (void *)handle;
 
-    if(ioctl(fd, DRM_IOCTL_RM_MAP, &map)) return -errno;
+    if(ioctl(fd, DRM_IOCTL_RM_MAP, &map))
+	return -errno;
     return 0;
 }
 
@@ -912,7 +930,8 @@ int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags,
     request.flags     = flags;
     request.agp_start = agp_offset;
 
-    if (ioctl(fd, DRM_IOCTL_ADD_BUFS, &request)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_ADD_BUFS, &request))
+	return -errno;
     return request.count;
 }
 
@@ -924,9 +943,11 @@ int drmMarkBufs(int fd, double low, double high)
     info.count = 0;
     info.list  = NULL;
 
-    if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) return -EINVAL;
+    if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info))
+	return -EINVAL;
 
-    if (!info.count) return -EINVAL;
+    if (!info.count)
+	return -EINVAL;
 
     if (!(info.list = drmMalloc(info.count * sizeof(*info.list))))
 	return -ENOMEM;
@@ -972,7 +993,8 @@ int drmFreeBufs(int fd, int count, int *list)
 
     request.count = count;
     request.list  = list;
-    if (ioctl(fd, DRM_IOCTL_FREE_BUFS, &request)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_FREE_BUFS, &request))
+	return -errno;
     return 0;
 }
 
@@ -1020,7 +1042,8 @@ int drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address)
 {
     static unsigned long pagesize_mask = 0;
 
-    if (fd < 0) return -EINVAL;
+    if (fd < 0)
+	return -EINVAL;
 
     if (!pagesize_mask)
 	pagesize_mask = getpagesize() - 1;
@@ -1028,7 +1051,8 @@ int drmMap(int fd, drm_handle_t handle, drmSize size, drmAddressPtr address)
     size = (size + pagesize_mask) & ~pagesize_mask;
 
     *address = mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, handle);
-    if (*address == MAP_FAILED) return -errno;
+    if (*address == MAP_FAILED)
+	return -errno;
     return 0;
 }
 
@@ -1058,7 +1082,8 @@ drmBufInfoPtr drmGetBufInfo(int fd)
     info.count = 0;
     info.list  = NULL;
 
-    if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info))
+	return NULL;
 
     if (info.count) {
 	if (!(info.list = drmMalloc(info.count * sizeof(*info.list))))
@@ -1108,9 +1133,11 @@ drmBufMapPtr drmMapBufs(int fd)
     bufs.count = 0;
     bufs.list  = NULL;
     bufs.virtual = NULL;
-    if (ioctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_MAP_BUFS, &bufs))
+	return NULL;
 
-    if (!bufs.count) return NULL;
+    if (!bufs.count)
+	return NULL;
 
 	if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list))))
 	    return NULL;
@@ -1265,20 +1292,25 @@ drm_context_t *drmGetReservedContextList(int fd, int *count)
 
     res.count    = 0;
     res.contexts = NULL;
-    if (ioctl(fd, DRM_IOCTL_RES_CTX, &res)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_RES_CTX, &res))
+	return NULL;
 
-    if (!res.count) return NULL;
+    if (!res.count)
+	return NULL;
 
-    if (!(list   = drmMalloc(res.count * sizeof(*list)))) return NULL;
+    if (!(list   = drmMalloc(res.count * sizeof(*list))))
+	return NULL;
     if (!(retval = drmMalloc(res.count * sizeof(*retval)))) {
 	drmFree(list);
 	return NULL;
     }
 
     res.contexts = list;
-    if (ioctl(fd, DRM_IOCTL_RES_CTX, &res)) return NULL;
+    if (ioctl(fd, DRM_IOCTL_RES_CTX, &res))
+	return NULL;
 
-    for (i = 0; i < res.count; i++) retval[i] = list[i].handle;
+    for (i = 0; i < res.count; i++)
+	retval[i] = list[i].handle;
     drmFree(list);
 
     *count = res.count;
@@ -1313,7 +1345,8 @@ int drmCreateContext(int fd, drm_context_t *handle)
     drm_ctx_t ctx;
 
     ctx.flags = 0;	/* Modified with functions below */
-    if (ioctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_ADD_CTX, &ctx))
+	return -errno;
     *handle = ctx.handle;
     return 0;
 }
@@ -1323,7 +1356,8 @@ int drmSwitchToContext(int fd, drm_context_t context)
     drm_ctx_t ctx;
 
     ctx.handle = context;
-    if (ioctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx))
+	return -errno;
     return 0;
 }
 
@@ -1339,9 +1373,12 @@ int drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags)
      */
     ctx.handle = context;
     ctx.flags  = 0;
-    if (flags & DRM_CONTEXT_PRESERVED) ctx.flags |= _DRM_CONTEXT_PRESERVED;
-    if (flags & DRM_CONTEXT_2DONLY)    ctx.flags |= _DRM_CONTEXT_2DONLY;
-    if (ioctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) return -errno;
+    if (flags & DRM_CONTEXT_PRESERVED)
+	ctx.flags |= _DRM_CONTEXT_PRESERVED;
+    if (flags & DRM_CONTEXT_2DONLY)
+	ctx.flags |= _DRM_CONTEXT_2DONLY;
+    if (ioctl(fd, DRM_IOCTL_MOD_CTX, &ctx))
+	return -errno;
     return 0;
 }
 
@@ -1351,10 +1388,13 @@ int drmGetContextFlags(int fd, drm_context_t context,
     drm_ctx_t ctx;
 
     ctx.handle = context;
-    if (ioctl(fd, DRM_IOCTL_GET_CTX, &ctx)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_GET_CTX, &ctx))
+	return -errno;
     *flags = 0;
-    if (ctx.flags & _DRM_CONTEXT_PRESERVED) *flags |= DRM_CONTEXT_PRESERVED;
-    if (ctx.flags & _DRM_CONTEXT_2DONLY)    *flags |= DRM_CONTEXT_2DONLY;
+    if (ctx.flags & _DRM_CONTEXT_PRESERVED)
+	*flags |= DRM_CONTEXT_PRESERVED;
+    if (ctx.flags & _DRM_CONTEXT_2DONLY)
+	*flags |= DRM_CONTEXT_2DONLY;
     return 0;
 }
 
@@ -1379,14 +1419,16 @@ int drmDestroyContext(int fd, drm_context_t handle)
 {
     drm_ctx_t ctx;
     ctx.handle = handle;
-    if (ioctl(fd, DRM_IOCTL_RM_CTX, &ctx)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_RM_CTX, &ctx))
+	return -errno;
     return 0;
 }
 
 int drmCreateDrawable(int fd, drm_drawable_t *handle)
 {
     drm_draw_t draw;
-    if (ioctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_ADD_DRAW, &draw))
+	return -errno;
     *handle = draw.handle;
     return 0;
 }
@@ -1395,7 +1437,8 @@ int drmDestroyDrawable(int fd, drm_drawable_t handle)
 {
     drm_draw_t draw;
     draw.handle = handle;
-    if (ioctl(fd, DRM_IOCTL_RM_DRAW, &draw)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_RM_DRAW, &draw))
+	return -errno;
     return 0;
 }
 
@@ -1410,7 +1453,8 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
     update.num = num;
     update.data = (unsigned long long)(unsigned long)data;
 
-    if (ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update))
+	return -errno;
 
     return 0;
 }
@@ -1429,7 +1473,8 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
  */
 int drmAgpAcquire(int fd)
 {
-    if (ioctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL))
+	return -errno;
     return 0;
 }
 
@@ -1446,7 +1491,8 @@ int drmAgpAcquire(int fd)
  */
 int drmAgpRelease(int fd)
 {
-    if (ioctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_RELEASE, NULL))
+	return -errno;
     return 0;
 }
 
@@ -1468,7 +1514,8 @@ int drmAgpEnable(int fd, unsigned long mode)
     drm_agp_mode_t m;
 
     m.mode = mode;
-    if (ioctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_ENABLE, &m))
+	return -errno;
     return 0;
 }
 
@@ -1498,8 +1545,10 @@ int drmAgpAlloc(int fd, unsigned long size, unsigned long type,
     b.size   = size;
     b.handle = 0;
     b.type   = type;
-    if (ioctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) return -errno;
-    if (address != 0UL) *address = b.physical;
+    if (ioctl(fd, DRM_IOCTL_AGP_ALLOC, &b))
+	return -errno;
+    if (address != 0UL)
+	*address = b.physical;
     *handle = b.handle;
     return 0;
 }
@@ -1523,7 +1572,8 @@ int drmAgpFree(int fd, drm_handle_t handle)
 
     b.size   = 0;
     b.handle = handle;
-    if (ioctl(fd, DRM_IOCTL_AGP_FREE, &b)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_FREE, &b))
+	return -errno;
     return 0;
 }
 
@@ -1547,7 +1597,8 @@ int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset)
 
     b.handle = handle;
     b.offset = offset;
-    if (ioctl(fd, DRM_IOCTL_AGP_BIND, &b)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_BIND, &b))
+	return -errno;
     return 0;
 }
 
@@ -1570,7 +1621,8 @@ int drmAgpUnbind(int fd, drm_handle_t handle)
 
     b.handle = handle;
     b.offset = 0;
-    if (ioctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_UNBIND, &b))
+	return -errno;
     return 0;
 }
 
@@ -1590,7 +1642,8 @@ int drmAgpVersionMajor(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return -errno;
     return i.agp_version_major;
 }
 
@@ -1610,7 +1663,8 @@ int drmAgpVersionMinor(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return -errno;
     return i.agp_version_minor;
 }
 
@@ -1630,7 +1684,8 @@ unsigned long drmAgpGetMode(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.mode;
 }
 
@@ -1650,7 +1705,8 @@ unsigned long drmAgpBase(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.aperture_base;
 }
 
@@ -1670,7 +1726,8 @@ unsigned long drmAgpSize(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.aperture_size;
 }
 
@@ -1690,7 +1747,8 @@ unsigned long drmAgpMemoryUsed(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.memory_used;
 }
 
@@ -1710,7 +1768,8 @@ unsigned long drmAgpMemoryAvail(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.memory_allowed;
 }
 
@@ -1730,7 +1789,8 @@ unsigned int drmAgpVendorId(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.id_vendor;
 }
 
@@ -1750,7 +1810,8 @@ unsigned int drmAgpDeviceId(int fd)
 {
     drm_agp_info_t i;
 
-    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0;
+    if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i))
+	return 0;
     return i.id_device;
 }
 
@@ -1761,7 +1822,8 @@ int drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle)
     *handle = 0;
     sg.size   = size;
     sg.handle = 0;
-    if (ioctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_SG_ALLOC, &sg))
+	return -errno;
     *handle = sg.handle;
     return 0;
 }
@@ -1772,7 +1834,8 @@ int drmScatterGatherFree(int fd, drm_handle_t handle)
 
     sg.size   = 0;
     sg.handle = handle;
-    if (ioctl(fd, DRM_IOCTL_SG_FREE, &sg)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_SG_FREE, &sg))
+	return -errno;
     return 0;
 }
 
@@ -1802,12 +1865,21 @@ int drmWaitVBlank(int fd, drmVBlankPtr vbl)
 int drmError(int err, const char *label)
 {
     switch (err) {
-    case DRM_ERR_NO_DEVICE: fprintf(stderr, "%s: no device\n", label);   break;
-    case DRM_ERR_NO_ACCESS: fprintf(stderr, "%s: no access\n", label);   break;
-    case DRM_ERR_NOT_ROOT:  fprintf(stderr, "%s: not root\n", label);    break;
-    case DRM_ERR_INVALID:   fprintf(stderr, "%s: invalid args\n", label);break;
+    case DRM_ERR_NO_DEVICE:
+	fprintf(stderr, "%s: no device\n", label);
+	break;
+    case DRM_ERR_NO_ACCESS:
+	fprintf(stderr, "%s: no access\n", label);
+	break;
+    case DRM_ERR_NOT_ROOT:
+	fprintf(stderr, "%s: not root\n", label);
+	break;
+    case DRM_ERR_INVALID:
+	fprintf(stderr, "%s: invalid args\n", label);
+	break;
     default:
-	if (err < 0) err = -err;
+	if (err < 0)
+	    err = -err;
 	fprintf( stderr, "%s: error %d (%s)\n", label, err, strerror(err) );
 	break;
     }
@@ -1833,7 +1905,8 @@ int drmCtlInstHandler(int fd, int irq)
 
     ctl.func  = DRM_INST_HANDLER;
     ctl.irq   = irq;
-    if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl))
+	return -errno;
     return 0;
 }
 
@@ -1855,7 +1928,8 @@ int drmCtlUninstHandler(int fd)
 
     ctl.func  = DRM_UNINST_HANDLER;
     ctl.irq   = 0;
-    if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl))
+	return -errno;
     return 0;
 }
 
@@ -1871,7 +1945,8 @@ int drmFinish(int fd, int context, drmLockFlags flags)
     if (flags & DRM_LOCK_FLUSH_ALL)  lock.flags |= _DRM_LOCK_FLUSH_ALL;
     if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES;
     if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES;
-    if (ioctl(fd, DRM_IOCTL_FINISH, &lock)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_FINISH, &lock))
+	return -errno;
     return 0;
 }
 
@@ -1896,7 +1971,8 @@ int drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum)
     p.busnum  = busnum;
     p.devnum  = devnum;
     p.funcnum = funcnum;
-    if (ioctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_IRQ_BUSID, &p))
+	return -errno;
     return p.irq;
 }
 
@@ -1923,7 +1999,8 @@ void *drmGetContextTag(int fd, drm_context_t context)
     drmHashEntry  *entry = drmGetEntry(fd);
     void          *value;
 
-    if (drmHashLookup(entry->tagTable, context, &value)) return NULL;
+    if (drmHashLookup(entry->tagTable, context, &value))
+	return NULL;
 
     return value;
 }
@@ -1936,7 +2013,8 @@ int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
     map.ctx_id = ctx_id;
     map.handle = (void *)handle;
 
-    if (ioctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map))
+	return -errno;
     return 0;
 }
 
@@ -1947,8 +2025,10 @@ int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id,
 
     map.ctx_id = ctx_id;
 
-    if (ioctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) return -errno;
-    if (handle) *handle = (drm_handle_t)map.handle;
+    if (ioctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map))
+	return -errno;
+    if (handle)
+	*handle = (drm_handle_t)map.handle;
 
     return 0;
 }
@@ -1960,7 +2040,8 @@ int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size,
     drm_map_t map;
 
     map.offset = idx;
-    if (ioctl(fd, DRM_IOCTL_GET_MAP, &map)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_GET_MAP, &map))
+	return -errno;
     *offset = map.offset;
     *size   = map.size;
     *type   = map.type;
@@ -1976,7 +2057,8 @@ int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid,
     drm_client_t client;
 
     client.idx = idx;
-    if (ioctl(fd, DRM_IOCTL_GET_CLIENT, &client)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_GET_CLIENT, &client))
+	return -errno;
     *auth      = client.auth;
     *pid       = client.pid;
     *uid       = client.uid;
@@ -1990,7 +2072,8 @@ int drmGetStats(int fd, drmStatsT *stats)
     drm_stats_t s;
     int         i;
 
-    if (ioctl(fd, DRM_IOCTL_GET_STATS, &s)) return -errno;
+    if (ioctl(fd, DRM_IOCTL_GET_STATS, &s))
+	return -errno;
 
     stats->count = 0;
     memset(stats, 0, sizeof(*stats));
@@ -2292,7 +2375,7 @@ int drmFenceCreate(int fd, unsigned flags, int class, unsigned type,
 int drmFenceBuffers(int fd, unsigned flags, drmFence *fence)
 {
     drm_fence_arg_t arg;
-    
+
     memset(&arg, 0, sizeof(arg));
     arg.flags = flags;
     arg.op = drm_fence_buffers;
@@ -2309,7 +2392,7 @@ int drmFenceBuffers(int fd, unsigned flags, drmFence *fence)
 int drmFenceDestroy(int fd, const drmFence *fence)
 {
     drm_fence_arg_t arg;
-   
+
     memset(&arg, 0, sizeof(arg));
     arg.handle = fence->handle;
     arg.op = drm_fence_destroy;
@@ -2321,7 +2404,7 @@ int drmFenceDestroy(int fd, const drmFence *fence)
 int drmFenceReference(int fd, unsigned handle, drmFence *fence)
 {
     drm_fence_arg_t arg;
-   
+
     memset(&arg, 0, sizeof(arg));
     arg.handle = handle;
     arg.op = drm_fence_reference;
@@ -2338,7 +2421,7 @@ int drmFenceReference(int fd, unsigned handle, drmFence *fence)
 int drmFenceUnreference(int fd, const drmFence *fence)
 {
     drm_fence_arg_t arg;
-   
+
     memset(&arg, 0, sizeof(arg));
     arg.handle = fence->handle;
     arg.op = drm_fence_unreference;
@@ -2350,7 +2433,7 @@ int drmFenceUnreference(int fd, const drmFence *fence)
 int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
 {
     drm_fence_arg_t arg;
-   
+
     memset(&arg, 0, sizeof(arg));
     arg.handle = fence->handle;
     arg.type = flush_type;
@@ -2365,8 +2448,8 @@ int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
 
 int drmFenceUpdate(int fd, drmFence *fence)
 {
-	drm_fence_arg_t arg;
-	
+    drm_fence_arg_t arg;
+
     memset(&arg, 0, sizeof(arg));
     arg.handle = fence->handle;
     arg.op = drm_fence_signaled;
@@ -2381,13 +2464,9 @@ int drmFenceUpdate(int fd, drmFence *fence)
 int drmFenceSignaled(int fd, drmFence *fence, unsigned fenceType, 
 		     int *signaled)
 {
-    int 
-	ret;
-
     if ((fence->flags & DRM_FENCE_FLAG_SHAREABLE) ||
 	((fenceType & fence->signaled) != fenceType)) {
-
-	ret = drmFenceFlush(fd, fence, fenceType);
+	int ret = drmFenceFlush(fd, fence, fenceType);
 	if (ret)
 	    return ret;
     }
@@ -2514,8 +2593,8 @@ void drmBOFreeList(drmBOList *list)
     }
 }
 	
-int drmBOResetList(drmBOList *list) {
-
+int drmBOResetList(drmBOList *list)
+{
     drmMMListHead *l;
     int ret;
 
@@ -2524,7 +2603,7 @@ int drmBOResetList(drmBOList *list) {
 	return ret;
 
     l = list->list.next;
-    while(l != &list->list) {
+    while (l != &list->list) {
 	DRMLISTDEL(l);
 	DRMLISTADD(l, &list->free);
 	list->numOnList--;
@@ -2547,7 +2626,8 @@ static drmBONode *drmAddListItem(drmBOList *list, drmBO *item,
 	    return NULL;
 	}
 	list->numCurrent++;
-    } else {
+    }
+    else {
 	DRMLISTDEL(l);
 	node = DRMLISTENTRY(drmBONode, l, head);
     }
@@ -2584,7 +2664,6 @@ drmBO *drmBOListBuf(void *iterator)
     drmBONode *node;
     drmMMListHead *l = (drmMMListHead *) iterator;
     node = DRMLISTENTRY(drmBONode, l, head);
-    
     return node->buf;
 }
 
@@ -2599,8 +2678,7 @@ int drmBOCreateList(int numTarget, drmBOList *list)
     return drmAdjustListNodes(list);
 }
 
-static void drmBOCopyReply(const drm_bo_arg_reply_t *rep, 
-			   drmBO *buf)
+static void drmBOCopyReply(const drm_bo_arg_reply_t *rep, drmBO *buf)
 {
     buf->handle = rep->handle;
     buf->flags = rep->flags;
@@ -2613,8 +2691,6 @@ static void drmBOCopyReply(const drm_bo_arg_reply_t *rep,
     buf->replyFlags = rep->rep_flags;
     buf->pageAlignment = rep->page_alignment;
 }
-    
-    
 
 int drmBOCreate(int fd, unsigned long start, unsigned long size, 
 		unsigned pageAlignment, void *user_buffer, drm_bo_type_t type, 
@@ -2704,7 +2780,6 @@ int drmBODestroy(int fd, drmBO *buf)
  
 int drmBOReference(int fd, unsigned handle, drmBO *buf)
 {
-
     drm_bo_arg_t arg;
     drm_bo_arg_request_t *req = &arg.d.req;
     drm_bo_arg_reply_t *rep = &arg.d.rep;
@@ -2736,7 +2811,6 @@ int drmBOUnReference(int fd, drmBO *buf)
     drm_bo_arg_t arg;
     drm_bo_arg_request_t *req = &arg.d.req;
     drm_bo_arg_reply_t *rep = &arg.d.rep;
-    
 
     if (buf->mapVirtual && (buf->type != drm_bo_type_fake)) {
 	(void) munmap(buf->mapVirtual, buf->start + buf->size);
@@ -2770,7 +2844,6 @@ int drmBOUnReference(int fd, drmBO *buf)
 int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
 	     void **address)
 {
-
     drm_bo_arg_t arg;
     drm_bo_arg_request_t *req = &arg.d.req;
     drm_bo_arg_reply_t *rep = &arg.d.rep;
@@ -2830,7 +2903,6 @@ int drmBOUnmap(int fd, drmBO *buf)
     drm_bo_arg_request_t *req = &arg.d.req;
     drm_bo_arg_reply_t *rep = &arg.d.rep;
 
-	
     memset(&arg, 0, sizeof(arg));
     req->handle = buf->handle;
     req->op = drm_bo_unmap;
@@ -2864,7 +2936,7 @@ int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask,
     do{
 	ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg);
     } while (ret && errno == EAGAIN);
-    
+
     if (ret) 
 	return -errno;
     if (!arg.handled)
@@ -2891,7 +2963,7 @@ int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle)
     req->op = drm_bo_fence;
 
     ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg);
-    
+
     if (ret) 
 	return -errno;
     if (!arg.handled)
@@ -2913,7 +2985,7 @@ int drmBOInfo(int fd, drmBO *buf)
     req->op = drm_bo_info;
 
     ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg);
-    
+
     if (ret) 
 	return -errno;
     if (!arg.handled)
@@ -2959,7 +3031,8 @@ int drmBOBusy(int fd, drmBO *buf, int *busy)
 	!(buf->replyFlags & DRM_BO_REP_BUSY)) {
 	*busy = 0;
 	return 0;
-    } else {
+    }
+    else {
 	int ret = drmBOInfo(fd, buf);
 	if (ret)
 	    return ret;
@@ -2995,7 +3068,8 @@ int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags,
 	*newItem = 1;
 	cur->arg0 = flags;
 	cur->arg1 = mask;
-    } else {
+    }
+    else {
 	unsigned memMask = (cur->arg1 | mask) & DRM_BO_MASK_MEM;
 	unsigned memFlags = cur->arg0 & flags & memMask;
 	
@@ -3027,134 +3101,129 @@ int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags,
 
 int drmBOValidateList(int fd, drmBOList *list)
 {
-   
-  drmBONode *node;
-  drmMMListHead *l;
-  drm_bo_arg_t *arg, *first;
-  drm_bo_arg_request_t *req;
-  drm_bo_arg_reply_t *rep;
-  drm_u64_t *prevNext = NULL;
-  drmBO *buf;
-  int ret;
-
-  first = NULL;
-
-  for (l = list->list.next; l != &list->list; l = l->next) {
-      node = DRMLISTENTRY(drmBONode, l, head);
-
-      arg = &node->bo_arg;
-      req = &arg->d.req;
-
-      if (!first)
-	  first = arg;
-
-      if (prevNext)
-	  *prevNext = (unsigned long) arg;
-
-      memset(arg, 0, sizeof(*arg));
-      prevNext = &arg->next;
-      req->handle = node->buf->handle;
-      req->op = drm_bo_validate;
-      req->mask = node->arg0;
-      req->hint = 0;
-      req->arg_handle = node->arg1;
-  }
-  
-  if (!first) 
-      return 0;
+    drmBONode *node;
+    drmMMListHead *l;
+    drm_bo_arg_t *arg, *first;
+    drm_bo_arg_request_t *req;
+    drm_bo_arg_reply_t *rep;
+    drm_u64_t *prevNext = NULL;
+    drmBO *buf;
+    int ret;
+
+    first = NULL;
 
-  do{
-      ret = ioctl(fd, DRM_IOCTL_BUFOBJ, first);
-  } while (ret && errno == EAGAIN);
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+
+	arg = &node->bo_arg;
+	req = &arg->d.req;
 
+	if (!first)
+	    first = arg;
+
+	if (prevNext)
+	    *prevNext = (unsigned long) arg;
+
+	memset(arg, 0, sizeof(*arg));
+	prevNext = &arg->next;
+	req->handle = node->buf->handle;
+	req->op = drm_bo_validate;
+	req->mask = node->arg0;
+	req->hint = 0;
+	req->arg_handle = node->arg1;
+    }
+  
+    if (!first) 
+	return 0;
+
+    do {
+	ret = ioctl(fd, DRM_IOCTL_BUFOBJ, first);
+    } while (ret && errno == EAGAIN);
 
-  if (ret)
-      return -errno;
+    if (ret)
+	return -errno;
   
-  for (l = list->list.next; l != &list->list; l = l->next) {
-      node = DRMLISTENTRY(drmBONode, l, head);
-      arg = &node->bo_arg;
-      rep = &arg->d.rep;
-      
-      if (!arg->handled) {
-	  drmMsg("Unhandled request\n");
-	  return -EFAULT;
-      }
-      if (rep->ret)
-	  return rep->ret;
-
-      buf = node->buf;
-      drmBOCopyReply(rep, buf);
-  }
-
-  return 0;
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+	arg = &node->bo_arg;
+	rep = &arg->d.rep;
+
+	if (!arg->handled) {
+	    drmMsg("Unhandled request\n");
+	    return -EFAULT;
+	}
+	if (rep->ret)
+	    return rep->ret;
+
+	buf = node->buf;
+	drmBOCopyReply(rep, buf);
+    }
+
+    return 0;
 }
 	  
 
 int drmBOFenceList(int fd, drmBOList *list, unsigned fenceHandle)
 {
-   
-  drmBONode *node;
-  drmMMListHead *l;
-  drm_bo_arg_t *arg, *first;
-  drm_bo_arg_request_t *req;
-  drm_bo_arg_reply_t *rep;
-  drm_u64_t *prevNext = NULL;
-  drmBO *buf;
-  unsigned fence_flags;
-  int ret;
-
-  first = NULL;
-
-  for (l = list->list.next; l != &list->list; l = l->next) {
-      node = DRMLISTENTRY(drmBONode, l, head);
-
-      arg = &node->bo_arg;
-      req = &arg->d.req;
-
-      if (!first)
-	  first = arg;
-
-      if (prevNext)
-	  *prevNext = (unsigned long) arg;
-
-      memset(arg, 0, sizeof(*arg));
-      prevNext = &arg->next;
-      req->handle = node->buf->handle;
-      req->op = drm_bo_fence;
-      req->mask = node->arg0;
-      req->arg_handle = fenceHandle;
-  }
-  
-  if (!first) 
-      return 0;
+    drmBONode *node;
+    drmMMListHead *l;
+    drm_bo_arg_t *arg, *first;
+    drm_bo_arg_request_t *req;
+    drm_bo_arg_reply_t *rep;
+    drm_u64_t *prevNext = NULL;
+    drmBO *buf;
+    unsigned fence_flags;
+    int ret;
+
+    first = NULL;
+
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+
+	arg = &node->bo_arg;
+	req = &arg->d.req;
+
+	if (!first)
+	    first = arg;
 
-  ret = ioctl(fd, DRM_IOCTL_BUFOBJ, first);
+	if (prevNext)
+	    *prevNext = (unsigned long) arg;
 
-  if (ret)
-      return -errno;
+	memset(arg, 0, sizeof(*arg));
+	prevNext = &arg->next;
+	req->handle = node->buf->handle;
+	req->op = drm_bo_fence;
+	req->mask = node->arg0;
+	req->arg_handle = fenceHandle;
+    }
   
-  for (l = list->list.next; l != &list->list; l = l->next) {
-      node = DRMLISTENTRY(drmBONode, l, head);
+    if (!first) 
+	return 0;
 
-      arg = &node->bo_arg;
-      rep = &arg->d.rep;
-      
-      if (!arg->handled)
-	  return -EFAULT;
-      if (rep->ret)
-	  return rep->ret;
-      drmBOCopyReply(rep, node->buf);
-  }
+    ret = ioctl(fd, DRM_IOCTL_BUFOBJ, first);
 
-  return 0;
+    if (ret)
+	return -errno;
+  
+    for (l = list->list.next; l != &list->list; l = l->next) {
+	node = DRMLISTENTRY(drmBONode, l, head);
+	arg = &node->bo_arg;
+	rep = &arg->d.rep;
+      	if (!arg->handled)
+	    return -EFAULT;
+	if (rep->ret)
+	    return rep->ret;
+	drmBOCopyReply(rep, node->buf);
+    }
+
+    return 0;
 }
 
 int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
 	      unsigned memType)
 {
     drm_mm_init_arg_t arg;
-    
+
     memset(&arg, 0, sizeof(arg));
     arg.req.op = mm_init;
     arg.req.p_offset = pOffset;
@@ -3163,7 +3232,6 @@ int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
 
     if (ioctl(fd, DRM_IOCTL_MM_INIT, &arg))
 	return -errno;
-    
     return 0;	
 }
 
@@ -3171,14 +3239,12 @@ int drmMMTakedown(int fd, unsigned memType)
 {
     drm_mm_init_arg_t arg;
 
-
     memset(&arg, 0, sizeof(arg));
     arg.req.op = mm_takedown;
     arg.req.mem_type = memType;
 
     if (ioctl(fd, DRM_IOCTL_MM_INIT, &arg))
 	return -errno;
-    
     return 0;	
 }
 
@@ -3194,8 +3260,8 @@ int drmMMLock(int fd, unsigned memType)
     do{
 	ret = ioctl(fd, DRM_IOCTL_MM_INIT, &arg);
     } while (ret && errno == EAGAIN);
-    
-    return -errno;	
+
+    return (ret) ? -errno : 0;
 }
 
 int drmMMUnlock(int fd, unsigned memType)
@@ -3210,15 +3276,15 @@ int drmMMUnlock(int fd, unsigned memType)
     do{
 	ret = ioctl(fd, DRM_IOCTL_MM_INIT, &arg);
     } while (ret && errno == EAGAIN);
-    
-    return -errno;	
+
+    return (ret) ? -errno : 0;
 }
 
 #define DRM_MAX_FDS 16
 static struct {
-   char *BusID;
-   int fd;
-   int refcount;
+    char *BusID;
+    int fd;
+    int refcount;
 } connection[DRM_MAX_FDS];
 
 static int nr_fds = 0;
@@ -3227,50 +3293,50 @@ int drmOpenOnce(void *unused,
 		const char *BusID,
 		int *newlyopened)
 {
-   int i;
-   int fd;
+    int i;
+    int fd;
    
-   for (i = 0; i < nr_fds; i++)
-      if (strcmp(BusID, connection[i].BusID) == 0) {
-	 connection[i].refcount++;
-	 *newlyopened = 0;
-	 return connection[i].fd;
-      }
-
-   fd = drmOpen(unused, BusID);
-   if (fd <= 0 || nr_fds == DRM_MAX_FDS)
-      return fd;
+    for (i = 0; i < nr_fds; i++)
+	if (strcmp(BusID, connection[i].BusID) == 0) {
+	    connection[i].refcount++;
+	    *newlyopened = 0;
+	    return connection[i].fd;
+	}
+
+    fd = drmOpen(unused, BusID);
+    if (fd <= 0 || nr_fds == DRM_MAX_FDS)
+	return fd;
    
-   connection[nr_fds].BusID = strdup(BusID);
-   connection[nr_fds].fd = fd;
-   connection[nr_fds].refcount = 1;
-   *newlyopened = 1;
+    connection[nr_fds].BusID = strdup(BusID);
+    connection[nr_fds].fd = fd;
+    connection[nr_fds].refcount = 1;
+    *newlyopened = 1;
 
-   if (0)
-      fprintf(stderr, "saved connection %d for %s %d\n", 
-              nr_fds, connection[nr_fds].BusID, 
-              strcmp(BusID, connection[nr_fds].BusID));
+    if (0)
+	fprintf(stderr, "saved connection %d for %s %d\n", 
+		nr_fds, connection[nr_fds].BusID, 
+		strcmp(BusID, connection[nr_fds].BusID));
 
-   nr_fds++;
+    nr_fds++;
 
-   return fd;   
+    return fd;
 }
 
 void drmCloseOnce(int fd)
 {
-   int i;
+    int i;
 
-   for (i = 0; i < nr_fds; i++) {
-      if (fd == connection[i].fd) {
-	 if (--connection[i].refcount == 0) {
-	    drmClose(connection[i].fd);
-	    free(connection[i].BusID);
+    for (i = 0; i < nr_fds; i++) {
+	if (fd == connection[i].fd) {
+	    if (--connection[i].refcount == 0) {
+		drmClose(connection[i].fd);
+		free(connection[i].BusID);
 	    
-	    if (i < --nr_fds) 
-	       connection[i] = connection[nr_fds];
+		if (i < --nr_fds) 
+		    connection[i] = connection[nr_fds];
 
-	    return;
-	 }
-      }
-   }
+		return;
+	    }
+	}
+    }
 }