From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- drivers/char/drm/drm_init.c | 52 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 drivers/char/drm/drm_init.c (limited to 'drivers/char/drm/drm_init.c') diff --git a/drivers/char/drm/drm_init.c b/drivers/char/drm/drm_init.c new file mode 100644 index 00000000000..62883b749e9 --- /dev/null +++ b/drivers/char/drm/drm_init.c @@ -0,0 +1,52 @@ +/** + * \file drm_init.h + * Setup/Cleanup for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. + */ +int drm_cpu_valid(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} -- cgit v1.2.3