drm/radeon/kms/DCE3+: switch pads to ddc mode when going i2c
authorAlex Deucher <alexdeucher@gmail.com>
Thu, 19 Aug 2010 15:19:31 +0000 (11:19 -0400)
committerDave Airlie <airlied@redhat.com>
Thu, 19 Aug 2010 22:46:46 +0000 (08:46 +1000)
commit5786e2c5a3f519647c50bbc276e45d36a704415a
tree76419a2be47775fd5ebe902962d1e8732ad6d6ed
parent4e186b2d6c878793587c35d7f06c94565d76e9b8
drm/radeon/kms/DCE3+: switch pads to ddc mode when going i2c

The pins for ddc and aux are shared so you need to switch the
mode when doing ddc.  The ProcessAuxChannel table already sets
the pin mode to DP.  This should fix unreliable ddc issues
on DP ports using non-DP monitors.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_i2c.c