The IP documentation "recommends" enabling the following:
- Issuing reset at every training iteration.
- Issuing reset at every link rate change.
- Issuing reset at start of training pattern 1.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
Even if link training succeeds, sometimes, the link will fall if the link is
enabled prior to the training pattern being turned off.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
As required by DisplayPort compliance, the clock recovery sequence should
fail if all lanes haven't completed clock recovery on the first attempt
using the maximum voltage swing supported.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
Prior to initiating a new AUX transaction, always ensure that any pending
transactions have completed.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
AUX reply now makes use of the REPLY_STATUS register rather than
INTERRUPT_STATUS. It seems that INTERRUPT_STATUS may be updated before
REPLY_STATUS gets updated, resulting in a race condition.
Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
