drm/radeon/kms: fix DP training for DPEncoderService revision bigger than 1.1

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DPEncoderService newer than 1.1 can't properly program the DP (display port)
link training. When facing such version use the DIGxEncoderControl method
instead. Fix DP link training on some R7XX.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

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Jerome Glisse 2011-07-25 11:57:43 -04:00 • committed by Dave Airlie

parent 4639dd21e7

commit 5a96a899bb

1 changed files with 18 additions and 4 deletions

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drivers/gpu/drm/radeon/atombios_dp.c

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