[Intel-gfx] [PATCH]drm/i915: fix gpio register detection logic for BIOS without VBT

[Eric Anholt]

On Wed, 18 Nov 2009 15:15:02 +0800, Shaohua Li <shaohua.li at intel.com> wrote:
> if no VBT, crt_ddc_bus will be 0, and cause we use 0 for GPIO. It's unlikely
> GPIO register is 0, so don't need initialize it to -1.

Applied to -next with a little clarification of the commit message --
"unlikely" is actually "never".