RADEON_MDGPIO_A 506 drivers/gpu/drm/radeon/radeon_combios.c i2c.a_clk_reg = RADEON_MDGPIO_A; RADEON_MDGPIO_A 507 drivers/gpu/drm/radeon/radeon_combios.c i2c.a_data_reg = RADEON_MDGPIO_A;