ATCS_FUNCTION_GET_EXTERNAL_STATE  421 drivers/gpu/drm/amd/include/amd_acpi.h #define ATCS_FUNCTION_GET_EXTERNAL_STATE                           0x1
ATCS_FUNCTION_GET_EXTERNAL_STATE  402 drivers/gpu/drm/radeon/radeon_acpi.h #define ATCS_FUNCTION_GET_EXTERNAL_STATE                           0x1