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drm/nv40/therm: reserve negative temperatures for errors

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Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Martin Peres 2013-03-15 02:09:20 +01:00 committed by Ben Skeggs
parent ad40d73ef5
commit 76c0295c38
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c
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@ -102,6 +102,10 @@ nv40_temp_get(struct nouveau_therm *therm)
core_temp = core_temp + sensor->offset_num / sensor->offset_den;
core_temp = core_temp + sensor->offset_constant - 8;
/* reserve negative temperatures for errors */
if (core_temp < 0)
core_temp = 0;
return core_temp;
}