ATCS_PERF_LEVEL_1  452 drivers/gpu/drm/amd/include/amd_acpi.h #       define ATCS_PERF_LEVEL_1                                   2 /* PCIE Gen 1 */
ATCS_PERF_LEVEL_1  433 drivers/gpu/drm/radeon/radeon_acpi.h #       define ATCS_PERF_LEVEL_1                                   2 /* PCIE Gen 1 */