drm/nouveau/therm: no toggle fan control either if we can't guarantee no pwm connected
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
index e601773..f69dab1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fantog.c
@@ -97,6 +97,13 @@
{
struct nouveau_therm_priv *tpriv = (void *)therm;
struct nouveau_fantog_priv *priv;
+ int ret;
+
+ if (therm->pwm_ctrl) {
+ ret = therm->pwm_ctrl(therm, func->line, false);
+ if (ret)
+ return ret;
+ }
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
tpriv->fan = &priv->base;