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radeon_hd: Improve dig encoder picking

This commit is contained in:
Alexander von Gluck IV 2012-03-01 06:12:56 -06:00
parent e7985acc3c
commit ccb23a1eee
1 changed files with 12 additions and 9 deletions
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21
src/add-ons/accelerants/radeon_hd/encoder.cpp
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@ -196,16 +196,21 @@ encoder_pick_dig(uint32 connectorIndex)
break;
}
TRACE("%s: Found crtc %" B_PRIu32 " for connector %" B_PRIu32 "\n",
__func__, crtcID, connectorIndex);
bool linkB = gConnector[connectorIndex]->encoder.linkEnumeration
== GRAPH_OBJECT_ENUM_ID2 ? true : false;
if (info.dceMajor >= 4) {
uint32 dceVersion = (info.dceMajor * 100) + info.dceMinor;
if (dceVersion >= 400) {
// APU
switch (info.chipsetID) {
case RADEON_PALM:
return linkB ? 1 : 0;
case RADEON_SUMO:
case RADEON_SUMO2:
// llano follows dce 3.2
return crtcID;
}
@ -217,16 +222,14 @@ encoder_pick_dig(uint32 connectorIndex)
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
return linkB ? 5 : 4;
}
ERROR("%s: picking DIG encoder on non-DIG dce 4+ encoder!\n", __func__);
} else if ((info.dceMajor >= 3) && (info.dceMinor >= 2)) {
// DCE 3.2 can drive any DIG encoder
return crtcID;
}
if (encoderID == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA) {
// LVTMA can only be driven by DIG encoder 2
if (dceVersion >= 302)
return crtcID;
if (encoderID == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA)
return 1;
}
return 0;
}