drm/amdgpu: Add APTX quirk for Lenovo laptop
Needs ATPX rather than _PR3 for dGPU power control. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=202263Reviewed-by: Jim Qu <Jim.Qu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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