drm/radeon/kms/DCE3+: switch pads to ddc mode when going i2c
commit 5786e2c5 upstream. 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> Signed-off-by:
Dave Airlie <airlied@redhat.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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