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dptx: MST: Minor tweaks to sideband messaging.

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Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2014-09-22 21:01:49 -07:00 • committed by Suneel Garapati
parent 116079118c
commit 0572fea2ca
1 changed files with 9 additions and 5 deletions
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14
XilinxProcessorIPLib/drivers/dptx/src/xdptx_mst.c
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@ -39,7 +39,8 @@
*
* Ver Who Date Changes
* ----- ---- -------- -----------------------------------------------
* 1.00a als 08/03/14 Initial release.
* 1.0 als 08/03/14 Initial release.
* 2.0 als 09/21/14 Improvements to topology discovery and sideband messages.
* </pre>
*
*******************************************************************************/
@ -570,8 +571,7 @@ void XDptx_SetStreamSinkRad(XDptx *InstancePtr, u8 Stream, u8 LinkCountTotal,
*******************************************************************************/
u32 XDptx_DiscoverTopology(XDptx *InstancePtr)
{
XDptx_SbMsgLinkAddressReplyDeviceInfo DeviceInfo;
u8 RelativeAddress[16];
u8 RelativeAddress[15];
return XDptx_FindAccessibleDpDevices(InstancePtr, 1, RelativeAddress);
}
@ -923,11 +923,13 @@ u32 XDptx_ClearPayloadVcIdTable(XDptx *InstancePtr)
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/* Clear the payload table in the transmitter. */
for (Index = 0; Index < 63; Index++) {
for (Index = 0; Index < 64; Index++) {
XDptx_WriteReg(InstancePtr->Config.BaseAddr,
(XDPTX_VC_PAYLOAD_BUFFER_ADDR + (4 * Index)), 0);
}
XDptx_WaitUs(InstancePtr, 1000);
/* Clear the payload table in the immediate downstream branch device. */
/* Clear the VCP table update bit. */
@ -1566,7 +1568,7 @@ u32 XDptx_SendSbMsgClearPayloadIdTable(XDptx *InstancePtr)
/* Prepare the sideband message header. */
Msg.Header.LinkCountTotal = 1;
Msg.Header.LinkCountRemaining = 6;
Msg.Header.LinkCountRemaining = 0;
Msg.Header.BroadcastMsg = 1;
Msg.Header.PathMsg = 1;
Msg.Header.MsgBodyLength = 2;
@ -2008,6 +2010,8 @@ static u32 XDptx_SendActTrigger(XDptx *InstancePtr)
u8 AuxData;
u8 TimeoutCount = 0;
XDptx_WaitUs(InstancePtr, 10000);
XDptx_WriteReg(InstancePtr->Config.BaseAddr, XDPTX_TX_MST_CONFIG, 0x3);
do {