i.MX6SL EPDC SW reset

Document created by MaxTsai Employee on Jun 20, 2019
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Why reset EPDC

When TCE underrun occurs repeatedly, EPDC might lock up and the signal to panel continues. There is chance to cause panel damage.


The attached patch provides a way to reset EPDC to cut the signal out and recover EPDC from lockup. The patch is based on L4.1.15.


As for TCE underrun, QoS patch has obvious improvement. https://community.nxp.com/docs/DOC-343599