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drm/radeon/kms: rework encoder handling

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On most newer asics, digital encoders have two links each
and they can be used independantly.  As such, treat them as
separate encoders otherwise the individual links will not
get programmed properly at modeset time.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-08-12 18:58:47 -04:00
committed by Dave Airlie
parent fbee67a65d
commit 5137ee940c
7 changed files with 116 additions and 111 deletions
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2
drivers/gpu/drm/radeon/atombios_dp.c
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@@ -610,7 +610,7 @@ void dp_link_train(struct drm_encoder *encoder,
enc_id |= ATOM_DP_CONFIG_DIG2_ENCODER;
else
enc_id |= ATOM_DP_CONFIG_DIG1_ENCODER;
if (dig_connector->linkb)
if (dig->linkb)
enc_id |= ATOM_DP_CONFIG_LINK_B;
else
enc_id |= ATOM_DP_CONFIG_LINK_A;