tree 68527b30aad2184f325a4265498baaa0e7ff4a15
parent e64c952efb8e0c15ae82cec8e455ab4910690ef1
author Alex Deucher <alexander.deucher@amd.com> 1456938620 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1457546632 -0500

drm/amdgpu: disable runtime pm on PX laptops without dGPU power control

Some PX laptops don't provide an ACPI method to control dGPU power.  On
those systems, the driver is responsible for handling the dGPU power
state.  Disable runtime PM on them until support for this is implemented.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org