ATOM_BIOS_INFO_HYPERMEMORY_SUPPORT 2889 drivers/gpu/drm/amd/include/atombios.h #define ATOM_BIOS_INFO_HYPERMEMORY_SUPPORT          0x0100
ATOM_BIOS_INFO_HYPERMEMORY_SUPPORT 2448 drivers/gpu/drm/radeon/atombios.h #define ATOM_BIOS_INFO_HYPERMEMORY_SUPPORT          0x0100