[PATCH 4.2 038/110] drm/radeon/dpm: dont add pwm attributes if DPM is disabled

4.2-stable review patch. If anyone has any objections, please let me know. -- From: Alex Deucher commit 2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9 upstream. PWM fan control is only available with DPM. If DPM disabled, don't expose the PWM fan controls to avoid a crash. Bug:

[PATCH 4.2 038/110] drm/radeon/dpm: dont add pwm attributes if DPM is disabled

4.2-stable review patch. If anyone has any objections, please let me know. -- From: Alex Deucher commit 2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9 upstream. PWM fan control is only available with DPM. If DPM disabled, don't expose the PWM fan