Dave Airlie | c9c97b8 | 2009-08-27 09:53:47 +1000 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
| 3 | * Copyright 2009 Red Hat Inc. |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | * |
| 27 | **************************************************************************/ |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Dave Airlie <airlied@redhat.com> |
| 31 | */ |
| 32 | |
| 33 | #ifndef _DRM_CACHE_H_ |
| 34 | #define _DRM_CACHE_H_ |
| 35 | |
| 36 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); |
| 37 | |
Dave Airlie | 4b0e4e4 | 2016-01-30 07:59:32 +0200 | [diff] [blame] | 38 | static inline bool drm_arch_can_wc_memory(void) |
| 39 | { |
| 40 | #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE) |
| 41 | return false; |
Huacai Chen | 221004c | 2016-04-19 19:19:11 +0800 | [diff] [blame] | 42 | #elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3) |
| 43 | return false; |
Dave Airlie | 4b0e4e4 | 2016-01-30 07:59:32 +0200 | [diff] [blame] | 44 | #else |
| 45 | return true; |
| 46 | #endif |
| 47 | } |
| 48 | |
Dave Airlie | c9c97b8 | 2009-08-27 09:53:47 +1000 | [diff] [blame] | 49 | #endif |