RADEON_MDGPIO_Y 510 drivers/gpu/drm/radeon/radeon_combios.c i2c.y_clk_reg = RADEON_MDGPIO_Y; RADEON_MDGPIO_Y 511 drivers/gpu/drm/radeon/radeon_combios.c i2c.y_data_reg = RADEON_MDGPIO_Y;