diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/therm/fan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/therm/fan.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c index 409b95d..b292379 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c @@ -69,6 +69,9 @@ nouveau_therm_fan_set(struct nouveau_therm *therm, int percent) u32 divs, duty; int ret; + if (priv->fan.mode == FAN_CONTROL_NONE) + return -EINVAL; + if (!priv->fan.pwm_set) return -ENODEV; @@ -138,7 +141,52 @@ nouveau_therm_fan_sense(struct nouveau_therm *therm) return 0; } -static void +int +nouveau_therm_fan_set_mode(struct nouveau_therm *therm, + enum nouveau_therm_fan_mode mode) +{ + struct nouveau_therm_priv *priv = (void *)therm; + + if (priv->fan.mode == mode) + return 0; + + if (mode < FAN_CONTROL_NONE || mode >= FAN_CONTROL_NR) + return -EINVAL; + + switch (mode) + { + case FAN_CONTROL_NONE: + nv_info(therm, "switch fan to no-control mode\n"); + break; + case FAN_CONTROL_MANUAL: + nv_info(therm, "switch fan to manual mode\n"); + break; + case FAN_CONTROL_NR: + break; + } + + priv->fan.mode = mode; + return 0; +} + +int +nouveau_therm_fan_user_get(struct nouveau_therm *therm) +{ + return nouveau_therm_fan_get(therm); +} + +int +nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent) +{ + struct nouveau_therm_priv *priv = (void *)therm; + + if (priv->fan.mode != FAN_CONTROL_MANUAL) + return -EINVAL; + + return nouveau_therm_fan_set(therm, percent); +} + +void nouveau_therm_fan_set_defaults(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; @@ -180,5 +228,7 @@ nouveau_therm_fan_ctor(struct nouveau_therm *therm) nv_error(therm, "parsing the thermal table failed\n"); nouveau_therm_fan_safety_checks(therm); + nouveau_therm_fan_set_mode(therm, FAN_CONTROL_NONE); + return 0; } |
