| commit | 29874f44fbcbc24b231b42c9956f8f9de9407231 | [log] [tgz] |
|---|---|---|
| author | Shaohua Li <shaohua.li@intel.com> | Wed Nov 18 15:15:02 2009 +0800 |
| committer | Eric Anholt <eric@anholt.net> | Mon Nov 30 16:10:56 2009 -0800 |
| tree | 22532ad33c5f265bc728e5e21a8175ce0f81f126 | |
| parent | d271817baecbccb47da0d9f28c285a0dae8a06b7 [diff] |
drm/i915: fix gpio register detection logic for BIOS without VBT if no VBT is present, crt_ddc_bus will be left at 0, and cause us to use that for the GPIO register offset. That's never a valid register offset, so let the "undefined" value be 0 instead of -1. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> [anholt: clarified the commit message a bit]