drm/nv50/pm: add support for pwm fan control
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c
index 607e496..ee2872e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.c
@@ -167,8 +167,11 @@
}
}
- 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;
}