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(parent: fdb3785) | patch
drm/amdgpu: disable runtime pm on PX laptops without dGPU power control
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 2 Mar 2016 17:10:20 +0000 (12:10 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 9 Mar 2016 18:03:52 +0000 (13:03 -0500)
commiteeca8f3b99c024c5471cdd4842c75b5020709d40
tree68527b30aad2184f325a4265498baaa0e7ff4a15tree | snapshot
parentfdb378564193f4b9c144797998ca0f03b664d4bfcommit | diff
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
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c diff | blob | history
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