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5564 | serge | 1 | /* |
2 | * Copyright 2014 Ilia Mirkin |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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21 | * SOFTWARE. |
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22 | */ |
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23 | |||
24 | int is_nouveau_vieux(int fd); |
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25 | |||
26 | #ifndef __NOT_HAVE_DRM_H |
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27 | |||
28 | #include |
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29 | #include |
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30 | |||
31 | static int |
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32 | nouveau_chipset(int fd) |
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33 | { |
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34 | struct drm_nouveau_getparam gp = { NOUVEAU_GETPARAM_CHIPSET_ID, 0 }; |
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35 | int ret; |
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36 | |||
37 | ret = drmCommandWriteRead(fd, DRM_NOUVEAU_GETPARAM, &gp, sizeof(gp)); |
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38 | if (ret) |
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39 | return -1; |
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40 | |||
41 | return gp.value; |
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42 | } |
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43 | |||
44 | int |
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45 | is_nouveau_vieux(int fd) |
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46 | { |
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47 | int chipset = nouveau_chipset(fd); |
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48 | return chipset > 0 && chipset < 0x30; |
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49 | } |
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50 | |||
51 | #else |
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52 | |||
53 | int is_nouveau_vieux(int fd) { return 0; } |
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54 | |||
55 | #endif> |