ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT 2885 drivers/gpu/drm/amd/include/atombios.h #define ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT      0x0010      // (valid from v1.1 ~v1.4):=1: engclk SS enable, =0 engclk SS disable.
ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT 2444 drivers/gpu/drm/radeon/atombios.h #define ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT      0x0010		// (valid from v1.1 ~v1.4):=1: engclk SS enable, =0 engclk SS disable.