--- drivers/gpu/drm/i915/intel_crt.c

+++ drivers/gpu/drm/i915/intel_crt.c

@@ -557,7 +557,7 @@ void intel_crt_init(struct drm_device *d

else {

i2c_reg = GPIOA;

/* Use VBT information for CRT DDC if available */

- if (dev_priv->crt_ddc_bus != -1)

+ if (dev_priv->crt_ddc_bus != 0)

i2c_reg = dev_priv->crt_ddc_bus;

}

intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A");