ATOM_BIOS_INFO_HYPERMEMORY_SIZE_MASK 2890 drivers/gpu/drm/amd/include/atombios.h #define ATOM_BIOS_INFO_HYPERMEMORY_SIZE_MASK        0x1E00
ATOM_BIOS_INFO_HYPERMEMORY_SIZE_MASK 2449 drivers/gpu/drm/radeon/atombios.h #define ATOM_BIOS_INFO_HYPERMEMORY_SIZE_MASK        0x1E00