drm/amdgpu/powerplay: fix NULL pointer issue when SMU disabled

Fix smu related NULL pointer issue which occurs when SMU is disabled.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2019-12-25 17:42:35 +08:00 • committed by Alex Deucher
commit e78adc5a1d