diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hwmon.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_hwmon.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c b/drivers/gpu/drm/nouveau/nouveau_hwmon.c index 08a1ab6b150d..d445c6f3fece 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c +++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c @@ -29,8 +29,6 @@ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> -#include <drm/drmP.h> - #include "nouveau_drv.h" #include "nouveau_hwmon.h" @@ -428,6 +426,8 @@ nouveau_temp_read(struct device *dev, u32 attr, int channel, long *val) switch (attr) { case hwmon_temp_input: + if (drm_dev->switch_power_state != DRM_SWITCH_POWER_ON) + return -EINVAL; ret = nvkm_therm_temp_get(therm); *val = ret < 0 ? ret : (ret * 1000); break; @@ -474,6 +474,8 @@ nouveau_fan_read(struct device *dev, u32 attr, int channel, long *val) switch (attr) { case hwmon_fan_input: + if (drm_dev->switch_power_state != DRM_SWITCH_POWER_ON) + return -EINVAL; *val = nvkm_therm_fan_sense(therm); break; default: @@ -496,6 +498,8 @@ nouveau_in_read(struct device *dev, u32 attr, int channel, long *val) switch (attr) { case hwmon_in_input: + if (drm_dev->switch_power_state != DRM_SWITCH_POWER_ON) + return -EINVAL; ret = nvkm_volt_get(volt); *val = ret < 0 ? ret : (ret / 1000); break; @@ -527,6 +531,8 @@ nouveau_pwm_read(struct device *dev, u32 attr, int channel, long *val) *val = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MODE); break; case hwmon_pwm_input: + if (drm_dev->switch_power_state != DRM_SWITCH_POWER_ON) + return -EINVAL; *val = therm->fan_get(therm); break; default: @@ -548,6 +554,8 @@ nouveau_power_read(struct device *dev, u32 attr, int channel, long *val) switch (attr) { case hwmon_power_input: + if (drm_dev->switch_power_state != DRM_SWITCH_POWER_ON) + return -EINVAL; *val = nvkm_iccsense_read_all(iccsense); break; case hwmon_power_max: |