drm/nv50/pm: add support for pwm fan control

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-08-14 12:43:47 +10:00
parent 8f27c54342
commit cb9fa62671
4 changed files with 85 additions and 2 deletions
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -167,8 +167,11 @@ nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl)
 		}
 	}

-	if (pm->fanspeed_get)
-		perflvl->fanspeed = pm->fanspeed_get(dev);
+	if (pm->fanspeed_get) {
+		ret = pm->fanspeed_get(dev);
+		if (ret > 0)
+			perflvl->fanspeed = ret;
+	}

 	return 0;
 }