ATOM_SUB_FUNCTION_GET_DPMS 8265 drivers/gpu/drm/amd/include/atombios.h #define ATOM_SUB_FUNCTION_GET_DPMS              0x0002          // BL: Sub function 02
ATOM_SUB_FUNCTION_GET_DPMS 6995 drivers/gpu/drm/radeon/atombios.h #define ATOM_SUB_FUNCTION_GET_DPMS              0x0002          // BL: Sub function 02