diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-10-19 16:30:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-10-19 22:45:54 +0300 |
| commit | 2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9 (patch) | |
| tree | 45f1a469b79f0d73c424c773aeb2239d6c50f853 /drivers | |
| parent | f6c7aba47bcc0b1cc2085c8d8af80f8c02f28269 (diff) | |
| download | linux-2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9.tar.xz | |
drm/radeon/dpm: don't add pwm attributes if DPM is disabled
PWM fan control is only available with DPM. If DPM disabled,
don't expose the PWM fan controls to avoid a crash.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=92524
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 44489cce7458..6a0a176e26ec 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -717,10 +717,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, struct radeon_device *rdev = dev_get_drvdata(dev); umode_t effective_mode = attr->mode; - /* Skip limit attributes if DPM is not enabled */ + /* Skip attributes if DPM is not enabled */ if (rdev->pm.pm_method != PM_METHOD_DPM && (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || - attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr)) + attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) return 0; /* Skip fan attributes if fan is not present */ |