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drm/radeon/kms: fix DCE4.1 dig routing (v2)

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Works more like DCE4.0 despite what the docs say.
This fixes blank screen issues when changing crtc
routing due to incorrect crtc to dig mapping.

v2: only two DIGx blocks, routing is hardcoded
based on link.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-12-16 18:40:29 -05:00 committed by Dave Airlie
parent 48c36c8f9a
commit b61c99de8e
1 changed files with 25 additions and 29 deletions
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54
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -910,15 +910,9 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
else
args.v3.ucLaneNum = 4;
if (ASIC_IS_DCE41(rdev)) {
args.v3.acConfig.ucEncoderSel = dig->dig_encoder;
if (dig->linkb)
args.v3.acConfig.ucLinkSel = 1;
} else {
if (dig->linkb) {
args.v3.acConfig.ucLinkSel = 1;
args.v3.acConfig.ucEncoderSel = 1;
}
if (dig->linkb) {
args.v3.acConfig.ucLinkSel = 1;
args.v3.acConfig.ucEncoderSel = 1;
}
/* Select the PLL for the PHY
@ -1535,32 +1529,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
struct radeon_encoder_atom_dig *dig;
uint32_t dig_enc_in_use = 0;
/* on DCE41 and encoder can driver any phy so just crtc id */
if (ASIC_IS_DCE41(rdev)) {
return radeon_crtc->crtc_id;
}
if (ASIC_IS_DCE4(rdev)) {
dig = radeon_encoder->enc_priv;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
if (ASIC_IS_DCE41(rdev)) {
if (dig->linkb)
return 1;
else
return 0;
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
if (dig->linkb)
return 3;
else
return 2;
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
if (dig->linkb)
return 5;
else
return 4;
break;
} else {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
if (dig->linkb)
return 1;
else
return 0;
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
if (dig->linkb)
return 3;
else
return 2;
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
if (dig->linkb)
return 5;
else
return 4;
break;
}
}
}