ATCS_FUNCTION_SET_PCIE_BUS_WIDTH  464 drivers/gpu/drm/amd/include/amd_acpi.h #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH                           0x4
ATCS_FUNCTION_SET_PCIE_BUS_WIDTH  445 drivers/gpu/drm/radeon/radeon_acpi.h #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH                           0x4