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drm/nv40/therm: fix slowing down fan when pstate undefined

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs 11 years ago
parent
b9d9dcdaae
commit
09dacc7bb0
1 changed files with 2 additions and 1 deletions
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  1. 2 1
      drivers/gpu/drm/nouveau/core/subdev/therm/base.c

+ 2 - 1
drivers/gpu/drm/nouveau/core/subdev/therm/base.c
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@@ -117,7 +117,8 @@ nouveau_therm_update(struct nouveau_therm *therm, int mode)
 
 		    priv->fan->bios.linear_max_temp) {
 
 			duty = nouveau_therm_update_linear(therm);
 
 		} else {
 
-			duty = priv->cstate;
 
+			if (priv->cstate)
 
+				duty = priv->cstate;
 
 			poll = false;
 
 		}
 
 		immd = false;