drm/radeon: disable power control on hybrid laptops

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Windows 10 (and some 8.1) systems use standardized
ACPI calls for hybrid laptops to control dGPU power.
Detect those cases and disable the AMD specific ATPX
power control.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2016-06-01 12:20:16 -04:00

parent d85555f885

commit cf26f9081f

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/radeon/radeon_atpx_handler.c

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