MGA_G400_TC2_MAGIC  521 drivers/gpu/drm/mga/mga_drv.h #	define MGA_G400_TC2_MAGIC		(1 << 15)
MGA_G400_TC2_MAGIC  567 drivers/gpu/drm/mgag200/mgag200_reg.h #    define MGA_G400_TC2_MAGIC                  (0x00008000)