Sathishkumar S 30d95a37f4 drm/amdgpu: attr to control SS2.0 bias level (v2) ...

add sysfs attr to read/write smartshift bias level.
document smartshift_bias sysfs attr.

V2: add attr to amdgpu_device_attrs and use attr_update (Lijo)

Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2021-06-04 12:40:00 -04:00

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