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5270 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2009 Red Hat Inc. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | * |
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27 | **************************************************************************/ |
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28 | /* |
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29 | * Authors: |
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30 | * Dave Airlie |
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31 | */ |
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32 | |||
33 | #ifndef _DRM_CACHE_H_ |
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34 | #define _DRM_CACHE_H_ |
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35 | |||
36 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); |
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37 | |||
6336 | serge | 38 | static inline bool drm_arch_can_wc_memory(void) |
39 | { |
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40 | #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE) |
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41 | return false; |
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42 | #else |
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43 | return true; |
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5270 | serge | 44 | #endif |
6336 | serge | 45 | } |
46 | |||
47 | #endif |