ATOM_S1_PCI_BUS_DEV_MASK 6800 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S1_PCI_BUS_DEV_MASK        0xFFFF0000L
ATOM_S1_PCI_BUS_DEV_MASK 5658 drivers/gpu/drm/radeon/atombios.h #define ATOM_S1_PCI_BUS_DEV_MASK        0xFFFF0000L