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/openbmc/linux/drivers/gpu/drm/i915/
H A Di915_suspend.cdiff f0217c42c9ab3d772e543f635ce628b9478f70b6 Tue Dec 01 13:56:30 CST 2009 Eric Anholt <eric@anholt.net> 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>
H A Di915_reg.hdiff f0217c42c9ab3d772e543f635ce628b9478f70b6 Tue Dec 01 13:56:30 CST 2009 Eric Anholt <eric@anholt.net> 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>