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radeon_hd: Fix pre-emphasis shift

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* pre-emphasis shift was always for lane b
This commit is contained in:
Alexander von Gluck IV
2012-08-05 00:50:56 -05:00
parent 694eca3bb6
commit f0e29955bf
1 changed files with 1 additions and 2 deletions
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src/add-ons/accelerants/radeon_hd/displayport.cpp
+1 -2
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@@ -463,7 +463,7 @@ dp_get_adjust_request_pre_emphasis(dp_info* dp, int lane)
{ {
int i = DP_ADJ_REQUEST_0_1 + (lane >> 1); int i = DP_ADJ_REQUEST_0_1 + (lane >> 1);
int s = (((lane & 1) != 0) ? DP_ADJ_PRE_EMPHASIS_LANEB_SHIFT int s = (((lane & 1) != 0) ? DP_ADJ_PRE_EMPHASIS_LANEB_SHIFT
: DP_ADJ_PRE_EMPHASIS_LANEB_SHIFT); : DP_ADJ_PRE_EMPHASIS_LANEA_SHIFT);
uint8 l = dp->linkStatus[i - DP_LANE_STATUS_0_1]; uint8 l = dp->linkStatus[i - DP_LANE_STATUS_0_1];
return ((l >> s) & 0x3) << DP_TRAIN_PRE_EMPHASIS_SHIFT; return ((l >> s) & 0x3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
@@ -777,7 +777,6 @@ dp_link_train(uint8 crtcID, display_mode* mode)
dp_link_train_cr(connectorIndex); dp_link_train_cr(connectorIndex);
dp_link_train_ce(connectorIndex); dp_link_train_ce(connectorIndex);
// *** DisplayPort link training finish // *** DisplayPort link training finish
snooze(400); snooze(400);