| commit | f0217c42c9ab3d772e543f635ce628b9478f70b6 | |
| author | Eric Anholt <eric@anholt.net> | |
| Tue, 1 Dec 2009 19:56:30 +0000 (1 11:56 -0800) | ||
| committer | Eric Anholt <eric@anholt.net> | |
| Tue, 1 Dec 2009 19:56:30 +0000 (1 11:56 -0800) | ||
| tree | 01dfcd607f90f250fb27cb303747b3d770879742 | treesnapshot (tar.gz zip) |
| parent | d09c23de9f967a7b7dcee0ffc57222ddbd821aba | commitdiff |
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>
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>