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- /**************************************************************************
- *
- * Copyright 2009 Red Hat Inc.
- * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS 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.
- *
- *
- **************************************************************************/
- /*
- * Authors:
- * Dave Airlie <airlied@redhat.com>
- */
- #ifndef _DRM_CACHE_H_
- #define _DRM_CACHE_H_
- void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
- static inline bool drm_arch_can_wc_memory(void)
- {
- #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
- return false;
- #elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3)
- return false;
- #else
- return true;
- #endif
- }
- #endif
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