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drm/nouveau/therm/nv84+: do not expose non-calibrated internal temp sensor

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Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Martin Peres 2014-08-24 23:15:11 +02:00 committed by Ben Skeggs
parent c5b4865e20
commit 3a405258b2
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/nouveau/core/subdev/therm/nv84.c
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@ -33,7 +33,12 @@ struct nv84_therm_priv {
int
nv84_temp_get(struct nouveau_therm *therm)
{
return nv_rd32(therm, 0x20400);
struct nouveau_fuse *fuse = nouveau_fuse(therm);
if (nv_ro32(fuse, 0x1a8) == 1)
return nv_rd32(therm, 0x20400);
else
return -ENODEV;
}
void