dpaux_port 80 drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c u8 dpaux_port = (ent_value >> 5) & 0x1f; dpaux_port 82 drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c if (i2c_port == 0x1f && dpaux_port == 0x1f)