drm/amdgpu/dpm: don't add pwm attributes if DPM is disabled
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 19 Oct 2015 19:49:11 +0000 (15:49 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 19 Oct 2015 19:53:54 +0000 (15:53 -0400)
commit27100735adbcb872854674bed1d000825f9954ac
tree8ab5461d7721c5923aab4a3aecf530038fd1100a
parent2a7d44f47f53fa1be677f44c73d78b1bcf9c05d9
drm/amdgpu/dpm: don't add pwm attributes if DPM is disabled

PWM fan control is only available with DPM.  There is no non-DPM
support on amdgpu, so we should never get a crash here because
the sysfs nodes would never be created in the first place. Add the
check just in case to be on the safe side.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c