ATOM_BIOS_MAGIC  1313 drivers/gpu/drm/amd/amdgpu/atom.c 	if (CU16(0) != ATOM_BIOS_MAGIC) {
ATOM_BIOS_MAGIC  1280 drivers/gpu/drm/radeon/atom.c 	if (CU16(0) != ATOM_BIOS_MAGIC) {