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drm/radeon/kms: use hardcoded dig encoder to transmitter mapping for DCE4.1

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The encoders are supposedly fully routeable, but changing the mapping
doesn't always seem to take.  Using a hardcoded mapping is much more
reliable.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=41366

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-10-05 18:36:50 -04:00 committed by Dave Airlie
parent 6777a4f689
commit cb7cf41961
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -1755,9 +1755,12 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
/* DCE4/5 */
if (ASIC_IS_DCE4(rdev)) {
dig = radeon_encoder->enc_priv;
if (ASIC_IS_DCE41(rdev))
return radeon_crtc->crtc_id;
else {
if (ASIC_IS_DCE41(rdev)) {
if (dig->linkb)
return 1;
else
return 0;
} else {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
if (dig->linkb)