diff options
Diffstat (limited to 'drivers/gpu/drm/drm_legacy_misc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_legacy_misc.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_legacy_misc.c b/drivers/gpu/drm/drm_legacy_misc.c new file mode 100644 index 000000000000..94973885c913 --- /dev/null +++ b/drivers/gpu/drm/drm_legacy_misc.c @@ -0,0 +1,52 @@ +/** + * \file drm_legacy_misc.c + * Misc legacy support functions. + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Tue Feb 2 08:37:54 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 <drm/drmP.h> +#include "drm_internal.h" +#include "drm_legacy.h" + +void drm_legacy_init_members(struct drm_device *dev) +{ + INIT_LIST_HEAD(&dev->ctxlist); + INIT_LIST_HEAD(&dev->vmalist); + INIT_LIST_HEAD(&dev->maplist); + spin_lock_init(&dev->buf_lock); + mutex_init(&dev->ctxlist_mutex); +} + +void drm_legacy_destroy_members(struct drm_device *dev) +{ + mutex_destroy(&dev->ctxlist_mutex); +} |