Commits
Eric Anholt committed f0217c42c9a
drm/i915: Fix DDC on some systems by clearing BIOS GMBUS setup. This is a sync of a fix I made in the old UMS code. If the BIOS uses the GMBUS and doesn't clear that setup, then our bit-banging I2C can fail, leading to monitors not being detected. Signed-off-by: Eric Anholt <eric@anholt.net>