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(parent: c657785) | 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)
commitac306321f974f41e9511b7f58ac292cdb4082373
tree68527b30aad2184f325a4265498baaa0e7ff4a15tree | snapshot
parentc657785d513ddd663c6381b253fba577be33bc23commit | 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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