···770 /* Misc. support (drm_init.h) */771extern int drm_flags;772extern void drm_parse_options(char *s);773-extern int drm_cpu_valid(void);774775 /* Driver support (drm_drv.h) */776extern int drm_init(struct drm_driver *driver);
···770 /* Misc. support (drm_init.h) */771extern int drm_flags;772extern void drm_parse_options(char *s);0773774 /* Driver support (drm_drv.h) */775extern int drm_init(struct drm_driver *driver);
+17
drivers/char/drm/drm_fops.c
···322EXPORT_SYMBOL(drm_release);323324/**00000000000000000325 * Called whenever a process opens /dev/drm.326 *327 * \param inode device inode.
···322EXPORT_SYMBOL(drm_release);323324/**325+ * Check whether DRI will run on this CPU.326+ *327+ * \return non-zero if the DRI will run on this CPU, or zero otherwise.328+ */329+static int drm_cpu_valid(void)330+{331+#if defined(__i386__)332+ if (boot_cpu_data.x86 == 3)333+ return 0; /* No cmpxchg on a 386 */334+#endif335+#if defined(__sparc__) && !defined(__sparc_v9__)336+ return 0; /* No cmpxchg before v9 sparc. */337+#endif338+ return 1;339+}340+341+/**342 * Called whenever a process opens /dev/drm.343 *344 * \param inode device inode.
-53
drivers/char/drm/drm_init.c
···1-/**2- * \file drm_init.c3- * Setup/Cleanup for DRM4- *5- * \author Rickard E. (Rik) Faith <faith@valinux.com>6- * \author Gareth Hughes <gareth@valinux.com>7- */8-9-/*10- * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com11- *12- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.13- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.14- * All Rights Reserved.15- *16- * Permission is hereby granted, free of charge, to any person obtaining a17- * copy of this software and associated documentation files (the "Software"),18- * to deal in the Software without restriction, including without limitation19- * the rights to use, copy, modify, merge, publish, distribute, sublicense,20- * and/or sell copies of the Software, and to permit persons to whom the21- * Software is furnished to do so, subject to the following conditions:22- *23- * The above copyright notice and this permission notice (including the next24- * paragraph) shall be included in all copies or substantial portions of the25- * Software.26- *27- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR28- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,29- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL30- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR31- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,32- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR33- * OTHER DEALINGS IN THE SOFTWARE.34- */35-36-#include "drmP.h"37-38-/**39- * Check whether DRI will run on this CPU.40- *41- * \return non-zero if the DRI will run on this CPU, or zero otherwise.42- */43-int drm_cpu_valid(void)44-{45-#if defined(__i386__)46- if (boot_cpu_data.x86 == 3)47- return 0; /* No cmpxchg on a 386 */48-#endif49-#if defined(__sparc__) && !defined(__sparc_v9__)50- return 0; /* No cmpxchg before v9 sparc. */51-#endif52- return 1;53-}