--- drivers/gpu/drm/i915/i915_drv.h

+++ drivers/gpu/drm/i915/i915_drv.h

@@ -258,7 +258,7 @@ typedef struct drm_i915_private {

struct notifier_block lid_notifier;

- int crt_ddc_bus; /* -1 = unknown, else GPIO to use for CRT DDC */

+ int crt_ddc_bus; /* 0 = unknown, else GPIO to use for CRT DDC */

struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */

int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */

int num_fence_regs; /* 8 on pre-965, 16 otherwise */