ATCS_PERF_LEVEL_2  453 drivers/gpu/drm/amd/include/amd_acpi.h #       define ATCS_PERF_LEVEL_2                                   3 /* PCIE Gen 2 */
ATCS_PERF_LEVEL_2  434 drivers/gpu/drm/radeon/radeon_acpi.h #       define ATCS_PERF_LEVEL_2                                   3 /* PCIE Gen 2 */